reinit the tree, so we can have metadata

1 files changed, 2919 insertions, 0 deletions

diff --git a/eclass/java-utils-2.eclass b/eclass/java-utils-2.eclass
new file mode 100644
index 000000000000..a09a8c951e8e
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+++ b/eclass/java-utils-2.eclass
@@ -0,0 +1,2919 @@
+# Copyright 2004-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+# @ECLASS: java-utils-2.eclass
+# @MAINTAINER:
+# java@gentoo.org
+# @AUTHOR:
+# Thomas Matthijs <axxo@gentoo.org>, Karl Trygve Kalleberg <karltk@gentoo.org>
+# @BLURB: Base eclass for Java packages
+# @DESCRIPTION:
+# This eclass provides functionality which is used by java-pkg-2.eclass,
+# java-pkg-opt-2.eclass and java-ant-2 eclass, as well as from ebuilds.
+#
+# This eclass should not be inherited this directly from an ebuild. Instead,
+# you should inherit java-pkg-2 for Java packages or java-pkg-opt-2 for packages
+# that have optional Java support. In addition you can inherit java-ant-2 for
+# Ant-based packages.
+inherit eutils versionator multilib
+
+IUSE="elibc_FreeBSD"
+
+# Make sure we use java-config-2
+export WANT_JAVA_CONFIG="2"
+
+# Prefix variables are only available for EAPI>=3
+has "${EAPI:-0}" 0 1 2 && ED="${D}" EPREFIX= EROOT="${ROOT}"
+
+# @VARIABLE: JAVA_PKG_PORTAGE_DEP
+# @INTERNAL
+# @DESCRIPTION:
+# The version of portage we need to function properly. Previously it was
+# portage with phase hooks support but now we use a version with proper env
+# saving. For EAPI 2 we have new enough stuff so let's have cleaner deps.
+has "${EAPI}" 0 1 && JAVA_PKG_PORTAGE_DEP=">=sys-apps/portage-2.1.2.7"
+
+# @VARIABLE: JAVA_PKG_E_DEPEND
+# @INTERNAL
+# @DESCRIPTION:
+# This is a convience variable to be used from the other java eclasses. This is
+# the version of java-config we want to use. Usually the latest stable version
+# so that ebuilds can use new features without depending on specific versions.
+JAVA_PKG_E_DEPEND=">=dev-java/java-config-2.2.0-r3 ${JAVA_PKG_PORTAGE_DEP}"
+has source ${JAVA_PKG_IUSE} && JAVA_PKG_E_DEPEND="${JAVA_PKG_E_DEPEND} source? ( app-arch/zip )"
+
+# @ECLASS-VARIABLE: JAVA_PKG_WANT_BOOTCLASSPATH
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# The version of bootclasspath the package needs to work. Translates to a proper
+# dependency. The bootclasspath can then be obtained by java-ant_rewrite-bootclasspath
+if [[ -n "${JAVA_PKG_WANT_BOOTCLASSPATH}" ]]; then
+	if [[ "${JAVA_PKG_WANT_BOOTCLASSPATH}" == "1.5" ]]; then
+		JAVA_PKG_E_DEPEND="${JAVA_PKG_E_DEPEND} >=dev-java/gnu-classpath-0.98-r1:0.98"
+	else
+		eerror "Unknown value of JAVA_PKG_WANT_BOOTCLASSPATH"
+		# since die in global scope doesn't work, this will make repoman fail
+		JAVA_PKG_E_DEPEND="${JAVA_PKG_E_DEPEND} BAD_JAVA_PKG_WANT_BOOTCLASSPATH"
+	fi
+fi
+
+# @ECLASS-VARIABLE: JAVA_PKG_ALLOW_VM_CHANGE
+# @DESCRIPTION:
+# Allow this eclass to change the active VM?
+# If your system VM isn't sufficient for the package, the build will fail
+# instead of trying to switch to another VM.
+#
+# Overriding the default can be useful for testing specific VMs locally, but
+# should not be used in the final ebuild.
+JAVA_PKG_ALLOW_VM_CHANGE=${JAVA_PKG_ALLOW_VM_CHANGE:="yes"}
+
+# @ECLASS-VARIABLE: JAVA_PKG_FORCE_VM
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Explicitly set a particular VM to use. If its not valid, it'll fall back to
+# whatever /etc/java-config-2/build/jdk.conf would elect to use.
+#
+# Should only be used for testing and debugging.
+#
+# Example: use sun-jdk-1.5 to emerge foo:
+# @CODE
+#	JAVA_PKG_FORCE_VM=sun-jdk-1.5 emerge foo
+# @CODE
+
+# @ECLASS-VARIABLE: JAVA_PKG_WANT_BUILD_VM
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# A list of VM handles to choose a build VM from. If the list contains the
+# currently active VM use that one, otherwise step through the list till a
+# usable/installed VM is found.
+#
+# This allows to use an explicit list of JDKs in DEPEND instead of a virtual.
+# Users of this variable must make sure at least one of the listed handles is
+# covered by DEPEND.
+# Requires JAVA_PKG_WANT_SOURCE and JAVA_PKG_WANT_TARGET to be set as well.
+
+# @ECLASS-VARIABLE: JAVA_PKG_WANT_SOURCE
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Specify a non-standard Java source version for compilation (via javac -source
+# parameter or Ant equivalent via build.xml rewriting done by java-ant-2 eclass).
+# Normally this is determined from the jdk version specified in DEPEND.
+# See java-pkg_get-source function below.
+#
+# Should generally only be used for testing and debugging.
+#
+# Use 1.4 source to emerge baz
+# @CODE
+#	JAVA_PKG_WANT_SOURCE=1.4 emerge baz
+# @CODE
+
+# @ECLASS-VARIABLE: JAVA_PKG_WANT_TARGET
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Same as JAVA_PKG_WANT_SOURCE (see above) but for javac -target parameter,
+# which affects the version of generated bytecode.
+# Normally this is determined from the jre/jdk version specified in RDEPEND.
+# See java-pkg_get-target function below.
+#
+# Should generallyonly be used for testing and debugging.
+#
+# emerge bar to be compatible with 1.3
+# @CODE
+#	JAVA_PKG_WANT_TARGET=1.3 emerge bar
+# @CODE
+
+# @ECLASS-VARIABLE: JAVA_PKG_DEBUG
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# A variable to be set with "yes" or "y", or ANY string of length non equal to
+# zero. When set, verbosity across java eclasses is increased and extra
+# logging is displayed.
+# @CODE
+#	JAVA_PKG_DEBUG="yes"
+# @CODE
+
+# @ECLASS-VARIABLE: JAVA_RM_FILES
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# An array containing a list of files to remove. If defined, this array will be
+# automatically handed over to java-pkg_rm_files for processing during the
+# src_prepare phase.
+#
+# @CODE
+#	JAVA_RM_FILES=(
+#		path/to/File1.java
+#		DELETEME.txt
+#	)
+# @CODE
+
+# @VARIABLE: JAVA_PKG_COMPILER_DIR
+# @INTERNAL
+# @DESCRIPTION:
+# Directory where compiler settings are saved, without trailing slash.
+# You probably shouldn't touch this variable except local testing.
+JAVA_PKG_COMPILER_DIR=${JAVA_PKG_COMPILER_DIR:="/usr/share/java-config-2/compiler"}
+
+# @VARIABLE: JAVA_PKG_COMPILERS_CONF
+# @INTERNAL
+# @DESCRIPTION:
+# Path to file containing information about which compiler to use.
+# Can be overloaded, but it should be overloaded only for local testing.
+JAVA_PKG_COMPILERS_CONF=${JAVA_PKG_COMPILERS_CONF:="/etc/java-config-2/build/compilers.conf"}
+
+# @ECLASS-VARIABLE: JAVA_PKG_FORCE_COMPILER
+# @INTERNAL
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# Explicitly set a list of compilers to choose from. This is normally read from
+# JAVA_PKG_COMPILERS_CONF.
+#
+# Useful for local testing.
+#
+# Use jikes and javac, in that order
+# @CODE
+#	JAVA_PKG_FORCE_COMPILER="jikes javac"
+# @CODE
+
+# @ECLASS-VARIABLE: JAVA_PKG_FORCE_ANT_TASKS
+# @DEFAULT_UNSET
+# @DESCRIPTION:
+# An $IFS separated list of ant tasks. Can be set in environment before calling
+# emerge/ebuild to override variables set in ebuild, mainly for testing before
+# putting the resulting (WANT_)ANT_TASKS into ebuild. Affects only ANT_TASKS in
+# eant() call, not the dependencies specified in WANT_ANT_TASKS.
+#
+# @CODE
+# JAVA_PKG_FORCE_ANT_TASKS="ant-junit ant-trax" \
+# 	ebuild foo.ebuild compile
+# @CODE
+
+# TODO document me
+JAVA_PKG_QA_VIOLATIONS=0
+
+# @FUNCTION: java-pkg_doexamples
+# @USAGE: [--subdir <subdir>] <file1/dir1> [<file2> ...]
+# @DESCRIPTION:
+# Installs given arguments to /usr/share/doc/${PF}/examples
+# If you give it only one parameter and it is a directory it will install
+# everything in that directory to the examples directory.
+#
+# @CODE
+# Parameters:
+# --subdir - If the examples need a certain directory structure
+# $* - list of files to install
+#
+# Examples:
+#	java-pkg_doexamples demo
+#	java-pkg_doexamples demo/* examples/*
+# @CODE
+java-pkg_doexamples() {
+	debug-print-function ${FUNCNAME} $*
+
+	[[ ${#} -lt 1 ]] && die "At least one argument needed"
+
+	java-pkg_check-phase install
+	java-pkg_init_paths_
+
+	local dest=/usr/share/doc/${PF}/examples
+	if [[ ${1} == --subdir ]]; then
+		local dest=${dest}/${2}
+		dodir ${dest}
+		shift 2
+	fi
+
+	if [[ ${#} = 1 && -d ${1} ]]; then
+		( # dont want to pollute calling env
+			insinto "${dest}"
+			doins -r ${1}/*
+		) || die "Installing examples failed"
+	else
+		( # dont want to pollute calling env
+			insinto "${dest}"
+			doins -r "$@"
+		) || die "Installing examples failed"
+	fi
+
+	# Let's make a symlink to the directory we have everything else under
+	dosym "${dest}" "${JAVA_PKG_SHAREPATH}/examples" || die
+}
+
+# @FUNCTION: java-pkg_addres
+# @USAGE: <jar> <dir> [<find arguments> ...]
+# @DESCRIPTION:
+# Adds resource files to an existing jar.
+# It is important that the directory given is actually the root of the
+# corresponding resource tree. The target directory as well as
+# sources.lst, MANIFEST.MF, *.class, *.jar, and *.java files are
+# automatically excluded. Symlinks are always followed. Additional
+# arguments are passed through to find.
+#
+# @CODE
+#	java-pkg_addres ${PN}.jar resources ! -name "*.html"
+# @CODE
+#
+# @param $1 - jar file
+# @param $2 - resource tree directory
+# @param $* - arguments to pass to find
+java-pkg_addres() {
+	debug-print-function ${FUNCNAME} $*
+
+	[[ ${#} -lt 2 ]] && die "at least two arguments needed"
+
+	local jar=$(realpath "$1" || die "realpath $1 failed")
+	local dir="$2"
+	shift 2
+
+	pushd "${dir}" > /dev/null || die "pushd ${dir} failed"
+	find -L -type f ! -path "./target/*" ! -path "./sources.lst" ! -name "MANIFEST.MF" ! -regex ".*\.\(class\|jar\|java\)" "${@}" -print0 | xargs -r0 jar uf "${jar}" || die "jar failed"
+	popd > /dev/null || die "popd failed"
+}
+
+# @FUNCTION: java-pkg_rm_files
+# @USAGE: java-pkg_rm_files File1.java File2.java ...
+# @DESCRIPTION:
+# Remove unneeded files in ${S}.
+#
+# Every now and then, you'll run into situations whereby a file needs removing,
+# be it a unit test or a regular java class.
+#
+# You can use this function by either:
+# - calling it yourself in src_prepare() and feeding java-pkg_rm_files with
+# the list of files you wish to remove.
+# - defining an array in the ebuild named JAVA_RM_FILES with the list of files
+# you wish to remove.
+#
+# Both way work and it is left to the developer's preferences. If the
+# JAVA_RM_FILES array is defined, it will be automatically handed over to
+# java-pkg_rm_files during the src_prepare phase.
+#
+# See java-utils-2_src_prepare.
+#
+# @CODE
+#	java-pkg_rm_files File1.java File2.java
+# @CODE
+#
+# @param $* - list of files to remove.
+java-pkg_rm_files() {
+	debug-print-function ${FUNCNAME} $*
+	local IFS="\n"
+	for filename in "$@"; do
+		[[ ! -f "${filename}" ]] && die "${filename} is not a regular file. Aborting."
+		einfo "Removing unneeded file ${filename}"
+		rm -f "${S}/${filename}" || die "cannot remove ${filename}"
+		eend $?
+	done
+}
+
+# @FUNCTION: java-pkg_dojar
+# @USAGE: <jar1> [<jar2> ...]
+# @DESCRIPTION:
+# Installs any number of jars.
+# Jar's will be installed into /usr/share/${PN}(-${SLOT})/lib/ by default.
+# You can use java-pkg_jarinto to change this path.
+# You should never install a jar with a package version in the filename.
+# Instead, use java-pkg_newjar defined below.
+#
+# @CODE
+#	java-pkg_dojar dist/${PN}.jar dist/${PN}-core.jar
+# @CODE
+#
+# @param $* - list of jars to install
+java-pkg_dojar() {
+	debug-print-function ${FUNCNAME} $*
+
+	[[ ${#} -lt 1 ]] && die "At least one argument needed"
+
+	java-pkg_check-phase install
+	java-pkg_init_paths_
+
+	# Create JARDEST if it doesn't exist
+	dodir ${JAVA_PKG_JARDEST}
+
+	local jar
+	# for each jar
+	for jar in "${@}"; do
+		local jar_basename=$(basename "${jar}")
+
+		java-pkg_check-versioned-jar ${jar_basename}
+
+		# check if it exists
+		if [[ -e "${jar}" ]] ; then
+			# Don't overwrite if jar has already been installed with the same
+			# name
+			local dest="${ED}${JAVA_PKG_JARDEST}/${jar_basename}"
+			if [[ -e "${dest}" ]]; then
+				ewarn "Overwriting ${dest}"
+			fi
+
+			# install it into JARDEST if it's a non-symlink
+			if [[ ! -L "${jar}" ]] ; then
+				#but first check class version when in strict mode.
+				is-java-strict && java-pkg_verify-classes "${jar}"
+
+				(
+					insinto "${JAVA_PKG_JARDEST}"
+					doins "${jar}"
+				) || die "failed to install ${jar}"
+				java-pkg_append_ JAVA_PKG_CLASSPATH "${EPREFIX}/${JAVA_PKG_JARDEST}/${jar_basename}"
+				debug-print "installed ${jar} to ${ED}${JAVA_PKG_JARDEST}"
+			# make a symlink to the original jar if it's symlink
+			else
+				# TODO use dosym, once we find something that could use it
+				# -nichoj
+				ln -s "$(readlink "${jar}")" "${ED}${JAVA_PKG_JARDEST}/${jar_basename}"
+				debug-print "${jar} is a symlink, linking accordingly"
+			fi
+		else
+			die "${jar} does not exist"
+		fi
+	done
+
+	# Extra logging if enabled.
+	if [[ -n ${JAVA_PKG_DEBUG} ]]; then
+		einfo "Verbose logging for \"${FUNCNAME}\" function"
+		einfo "Jar file(s) destination: ${JAVA_PKG_JARDEST}"
+		einfo "Jar file(s) created: ${@}"
+		einfo "Complete command:"
+		einfo "${FUNCNAME} ${@}"
+	fi
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_regjar
+# @USAGE: </path/to/installed/jar>
+# @DESCRIPTION:
+# Records an already installed (in ${D}) jar in the package.env
+# This would mostly be used if the package has make or a custom script to
+# install things.
+#
+# WARNING:
+# if you want to use shell expansion, you have to use ${D}/... as the for in
+# this function will not be able to expand the path, here's an example:
+#
+# @CODE
+#   java-pkg_regjar ${D}/opt/my-java/lib/*.jar
+# @CODE
+#
+
+# TODO should we be making sure the jar is present on ${D} or wherever?
+java-pkg_regjar() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_check-phase install
+
+	[[ ${#} -lt 1 ]] && die "at least one argument needed"
+
+	java-pkg_init_paths_
+
+	local jar jar_dir jar_file
+	for jar in "${@}"; do
+		# TODO use java-pkg_check-versioned-jar
+		if [[ -e "${jar}" || -e "${D}${jar}" ]]; then
+			[[ -d "${jar}" || -d "${D}${jar}" ]] \
+				&& die "Called ${FUNCNAME} on a	directory $*"
+
+			#check that class version correct when in strict mode
+			is-java-strict && java-pkg_verify-classes "${jar}"
+
+			# nelchael: we should strip ${D} in this case too, here's why:
+			# imagine such call:
+			#    java-pkg_regjar ${D}/opt/java/*.jar
+			# such call will fall into this case (-e ${jar}) and will
+			# record paths with ${D} in package.env
+			java-pkg_append_ JAVA_PKG_CLASSPATH	"${jar#${D}}"
+		else
+			if [[ ${jar} = *\** ]]; then
+				eerror "The argument ${jar} to ${FUNCNAME}"
+				eerror "has * in it. If you want it to glob in"
+				eerror '${D} add ${D} to the argument.'
+			fi
+			debug-print "${jar} or ${D}${jar} not found"
+			die "${jar} does not exist"
+		fi
+	done
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_newjar
+# @USAGE: <path/to/oldname.jar> [<newname.jar>]
+# @DESCRIPTION:
+# Installs a jar with a new name (defaults to $PN.jar)
+#
+# For example, installs a versioned jar without the version
+java-pkg_newjar() {
+	debug-print-function ${FUNCNAME} $*
+
+	local original_jar="${1}"
+	local new_jar="${2:-${PN}.jar}"
+	local new_jar_dest="${T}/${new_jar}"
+
+	[[ -z ${original_jar} ]] && die "Must specify a jar to install"
+	[[ ! -f ${original_jar} ]] \
+		&& die "${original_jar} does not exist or is not a file!"
+
+	rm -f "${new_jar_dest}" || die "Failed to remove ${new_jar_dest}"
+	cp "${original_jar}" "${new_jar_dest}" \
+		|| die "Failed to copy ${original_jar} to ${new_jar_dest}"
+	java-pkg_dojar "${new_jar_dest}"
+}
+
+# @FUNCTION: java-pkg_addcp
+# @USAGE: <classpath>
+# @DESCRIPTION:
+# Add something to the package's classpath. For jars, you should use dojar,
+# newjar, or regjar. This is typically used to add directories to the classpath.
+# The parameters of this function are appended to JAVA_PKG_CLASSPATH
+java-pkg_addcp() {
+	java-pkg_append_ JAVA_PKG_CLASSPATH "${@}"
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_doso
+# @USAGE: <path/to/file1.so> [...]
+# @DESCRIPTION:
+# Installs any number of JNI libraries
+# They will be installed into /usr/lib by default, but java-pkg_sointo
+# can be used change this path
+#
+# @CODE
+# Example:
+#	java-pkg_doso *.so
+# @CODE
+java-pkg_doso() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_check-phase install
+
+	[[ ${#} -lt 1 ]] && die "${FUNCNAME} requires at least one argument"
+
+	java-pkg_init_paths_
+
+	local lib
+	# for each lib
+	for lib in "$@" ; do
+		# if the lib exists...
+		if [[ -e "${lib}" ]] ; then
+			# install if it isn't a symlink
+			if [[ ! -L "${lib}" ]] ; then
+				(
+					insinto "${JAVA_PKG_LIBDEST}"
+					insopts -m0755
+					doins "${lib}"
+				) || die "failed to install ${lib}"
+				java-pkg_append_ JAVA_PKG_LIBRARY "${JAVA_PKG_LIBDEST}"
+				debug-print "Installing ${lib} to ${JAVA_PKG_LIBDEST}"
+			# otherwise make a symlink to the symlink's origin
+			else
+				dosym "$(readlink "${lib}")" "${JAVA_PKG_LIBDEST}/${lib##*/}"
+				debug-print "${lib} is a symlink, linking accordantly"
+			fi
+		# otherwise die
+		else
+			die "${lib} does not exist"
+		fi
+	done
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_regso
+# @USAGE: <file1.so> [...]
+# @DESCRIPTION:
+# Registers an already installed JNI library in package.env.
+#
+# @CODE
+# Parameters:
+# $@ - JNI libraries to register
+#
+# Example:
+#	java-pkg_regso *.so /path/*.so
+# @CODE
+java-pkg_regso() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_check-phase install
+
+	[[ ${#} -lt 1 ]] && die "${FUNCNAME} requires at least one argument"
+
+	java-pkg_init_paths_
+
+	local lib target_dir
+	for lib in "$@" ; do
+		# Check the absolute path of the lib
+		if [[ -e "${lib}" ]] ; then
+			target_dir="$(java-pkg_expand_dir_ ${lib})"
+			java-pkg_append_ JAVA_PKG_LIBRARY "/${target_dir#${D}}"
+		# Check the path of the lib relative to ${D}
+		elif [[ -e "${D}${lib}" ]]; then
+			target_dir="$(java-pkg_expand_dir_ ${D}${lib})"
+			java-pkg_append_ JAVA_PKG_LIBRARY "${target_dir}"
+		else
+			die "${lib} does not exist"
+		fi
+	done
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_jarinto
+# @USAGE: </path/to/install/jars/into>
+# @DESCRIPTION:
+# Changes the path jars are installed into via subsequent java-pkg_dojar calls.
+java-pkg_jarinto() {
+	debug-print-function ${FUNCNAME} $*
+
+	JAVA_PKG_JARDEST="${1}"
+}
+
+# @FUNCTION: java-pkg_sointo
+# @USAGE: </path/to/install/sofiles/into>
+# @DESCRIPTION:
+# Changes the path that JNI libraries are installed into via subsequent
+# java-pkg_doso calls.
+java-pkg_sointo() {
+	debug-print-function ${FUNCNAME} $*
+
+	JAVA_PKG_LIBDEST="${1}"
+}
+
+# @FUNCTION: java-pkg_dohtml
+# @USAGE: <path/to/javadoc/documentation> [...]
+# @DESCRIPTION:
+# Install Javadoc HTML documentation. Usage of java-pkg_dojavadoc is preferred.
+#
+# @CODE
+#	java-pkg_dohtml dist/docs/
+# @CODE
+java-pkg_dohtml() {
+	debug-print-function ${FUNCNAME} $*
+
+	[[ ${#} -lt 1 ]] && die "At least one argument required for ${FUNCNAME}"
+
+	# Do away with dohtml and rely on dodoc instead to do the deed.
+	docinto html
+	dodoc "$@"
+
+	# This probably shouldn't be here but it provides
+	# a reasonable way to catch # docs for all of the
+	# old ebuilds.
+	java-pkg_recordjavadoc
+}
+
+# @FUNCTION: java-pkg_dojavadoc
+# @USAGE: [--symlink destination] <path/to/javadocs/root>
+# @DESCRIPTION:
+# Installs javadoc documentation. This should be controlled by the doc use flag.
+#
+# @CODE
+# Parameters:
+# $1: optional --symlink creates to symlink like this for html
+#            documentation bundles.
+# $2: - The javadoc root directory.
+#
+# Examples:
+#	java-pkg_dojavadoc docs/api
+#	java-pkg_dojavadoc --symlink apidocs docs/api
+# @CODE
+java-pkg_dojavadoc() {
+	debug-print-function ${FUNCNAME} $*
+
+	# For html documentation bundles that link to Javadoc
+	local symlink
+	if [[ ${1} = --symlink ]]; then
+		symlink=${2}
+		shift 2
+	fi
+
+	local dir="$1"
+	local dest=/usr/share/doc/${PF}/html
+
+	# QA checks
+
+	java-pkg_check-phase install
+	java-pkg_init_paths_
+
+	[[ -z "${dir}" ]] && die "Must specify a directory!"
+	[[ ! -d "${dir}" ]] && die "${dir} does not exist, or isn't a directory!"
+	if [[ ! -e "${dir}/index.html" ]]; then
+		local msg="No index.html in javadoc directory"
+		ewarn "${msg}"
+		is-java-strict && die "${msg}"
+	fi
+
+	if [[ -e ${D}/${dest}/api ]]; then
+		eerror "${dest} already exists. Will not overwrite."
+		die "${dest}"
+	fi
+
+	# Renaming to match our directory layout
+
+	local dir_to_install="${dir}"
+	if [[ "$(basename "${dir}")" != "api" ]]; then
+		dir_to_install="${T}/api"
+		# TODO use doins
+		cp -r "${dir}" "${dir_to_install}" || die "cp failed"
+	fi
+
+	# Actual installation
+	java-pkg_dohtml -r "${dir_to_install}"
+
+	# Let's make a symlink to the directory we have everything else under
+	dosym ${dest}/api "${JAVA_PKG_SHAREPATH}/api" || die
+
+	if [[ ${symlink} ]]; then
+		debug-print "symlinking ${dest}/{api,${symlink}}"
+		dosym ${dest}/{api,${symlink}} || die
+	fi
+
+	# Extra logging if enabled.
+	if [[ -n ${JAVA_PKG_DEBUG} ]]; then
+		einfo "Verbose logging for \"${FUNCNAME}\" function"
+		einfo "Documentation destination: ${dest}"
+		einfo "Directory to install: ${dir_to_install}"
+		einfo "Complete command:"
+		einfo "${FUNCNAME} ${@}"
+	fi
+}
+
+# @FUNCTION: java-pkg_dosrc
+# @USAGE: <path/to/sources> [...]
+# @DESCRIPTION:
+# Installs a zip containing the source for a package, so it can used in
+# from IDEs like eclipse and netbeans.
+# Ebuild needs to DEPEND on app-arch/zip to use this. It also should be controlled by USE=source.
+#
+# @CODE
+# Example:
+# java-pkg_dosrc src/*
+# @CODE
+
+# TODO change so it the arguments it takes are the base directories containing
+# source -nichoj
+#
+# TODO should we be able to handle multiple calls to dosrc? -nichoj
+#
+# TODO maybe we can take an existing zip/jar? -nichoj
+#
+# FIXME apparently this fails if you give it an empty directories
+java-pkg_dosrc() {
+	debug-print-function ${FUNCNAME} $*
+
+	[ ${#} -lt 1 ] && die "At least one argument needed"
+
+	java-pkg_check-phase install
+
+	[[ ${#} -lt 1 ]] && die "At least one argument needed"
+
+	if ! [[ ${DEPEND} = *app-arch/zip* ]]; then
+		local msg="${FUNCNAME} called without app-arch/zip in DEPEND"
+		java-pkg_announce-qa-violation ${msg}
+	fi
+
+	java-pkg_init_paths_
+
+	local zip_name="${PN}-src.zip"
+	local zip_path="${T}/${zip_name}"
+	local dir
+	for dir in "${@}"; do
+		local dir_parent=$(dirname "${dir}")
+		local dir_name=$(basename "${dir}")
+		pushd ${dir_parent} > /dev/null || die "problem entering ${dir_parent}"
+		zip -q -r ${zip_path} ${dir_name} -i '*.java'
+		local result=$?
+		# 12 means zip has nothing to do
+		if [[ ${result} != 12 && ${result} != 0 ]]; then
+			die "failed to zip ${dir_name}"
+		fi
+		popd >/dev/null || die
+	done
+
+	# Install the zip
+	(
+		insinto "${JAVA_PKG_SOURCESPATH}"
+		doins ${zip_path}
+	) || die "Failed to install source"
+
+	JAVA_SOURCES="${JAVA_PKG_SOURCESPATH}/${zip_name}"
+
+	# Extra logging if enabled.
+	if [[ -n ${JAVA_PKG_DEBUG} ]]; then
+		einfo "Verbose logging for \"${FUNCNAME}\" function"
+		einfo "Zip filename created: ${zip_name}"
+		einfo "Zip file destination: ${JAVA_PKG_SOURCESPATH}"
+		einfo "Directories zipped: ${@}"
+		einfo "Complete command:"
+		einfo "${FUNCNAME} ${@}"
+	fi
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_dolauncher
+# @USAGE: <filename> [options]
+# @DESCRIPTION:
+# Make a wrapper script to lauch/start this package
+# If necessary, the wrapper will switch to the appropriate VM.
+#
+# Can be called without parameters if the package installs only one jar
+# that has the Main-class attribute set. The wrapper will be named ${PN}.
+#
+# @CODE
+# Parameters:
+# $1 - filename of launcher to create
+# $2 - options, as follows:
+#  --main the.main.class.to.start
+#  --jar /the/jar/too/launch.jar or just <name>.jar
+#  --java_args 'Extra arguments to pass to java'
+#  --pkg_args 'Extra arguments to pass to the package'
+#  --pwd Directory the launcher changes to before executing java
+#  -into Directory to install the launcher to, instead of /usr/bin
+#  -pre Prepend contents of this file to the launcher
+# @CODE
+java-pkg_dolauncher() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_check-phase install
+	java-pkg_init_paths_
+
+	if [[ ${#} = 0 ]]; then
+		local name="${PN}"
+	else
+		local name="${1}"
+		shift
+	fi
+
+	# TODO rename to launcher
+	local target="${T}/${name}"
+	local var_tmp="${T}/launcher_variables_tmp"
+	local target_dir pre
+
+	# Process the other the rest of the arguments
+	while [[ -n "${1}" && -n "${2}" ]]; do
+		local var="${1}" value="${2}"
+		if [[ "${var:0:2}" == "--" ]]; then
+			local var=${var:2}
+			echo "gjl_${var}=\"${value}\"" >> "${var_tmp}"
+			local gjl_${var}="${value}"
+		elif [[ "${var}" == "-into" ]]; then
+			target_dir="${value}"
+		elif [[ "${var}" == "-pre" ]]; then
+			pre="${value}"
+		fi
+		shift 2
+	done
+
+	# Test if no --jar and --main arguments were given and
+	# in that case check if the package only installs one jar
+	# and use that jar.
+	if [[ -z "${gjl_jar}" && -z "${gjl_main}" ]]; then
+		local cp="${JAVA_PKG_CLASSPATH}"
+		if [[ "${cp/:}" = "${cp}" && "${cp%.jar}" != "${cp}" ]]; then
+			echo "gjl_jar=\"${JAVA_PKG_CLASSPATH}\"" >> "${var_tmp}"
+		else
+			local msg="Not enough information to create a launcher given."
+			msg="${msg} Please give --jar or --main argument to ${FUNCNAME}."
+			die "${msg}"
+		fi
+	fi
+
+	# Write the actual script
+	echo "#!/bin/bash" > "${target}"
+	if [[ -n "${pre}" ]]; then
+		if [[ -f "${pre}" ]]; then
+			cat "${pre}" >> "${target}"
+		else
+			die "-pre specified file '${pre}' does not exist"
+		fi
+	fi
+	echo "gjl_package=${JAVA_PKG_NAME}" >> "${target}"
+	cat "${var_tmp}" >> "${target}"
+	rm -f "${var_tmp}"
+	echo "source ${EPREFIX}/usr/share/java-config-2/launcher/launcher.bash" >> "${target}"
+
+	if [[ -n "${target_dir}" ]]; then
+		(
+			into "${target_dir}"
+			dobin "${target}"
+		)
+		local ret=$?
+		return ${ret}
+	else
+		dobin "${target}"
+	fi
+}
+
+# @FUNCTION: java-pkg_dowar
+# @DESCRIPTION:
+# Install war files.
+# TODO document
+java-pkg_dowar() {
+	debug-print-function ${FUNCNAME} $*
+
+	# Check for arguments
+	[[ ${#} -lt 1 ]] && die "At least one argument needed"
+	java-pkg_check-phase install
+
+	java-pkg_init_paths_
+
+	local war
+	for war in $* ; do
+		local warpath
+		# TODO evaluate if we want to handle symlinks differently -nichoj
+		# Check for symlink
+		if [[ -L "${war}" ]] ; then
+			cp "${war}" "${T}"
+			warpath="${T}$(basename "${war}")"
+		# Check for directory
+		# TODO evaluate if we want to handle directories differently -nichoj
+		elif [[ -d "${war}" ]] ; then
+			echo "dowar: warning, skipping directory ${war}"
+			continue
+		else
+			warpath="${war}"
+		fi
+
+		# Install those files like you mean it
+		(
+			insopts -m0644
+			insinto "${JAVA_PKG_WARDEST}"
+			doins ${warpath}
+		)
+	done
+}
+
+# @FUNCTION: java-pkg_recordjavadoc
+# @INTERNAL
+# @DESCRIPTION:
+# Scan for JavaDocs, and record their existence in the package.env file
+
+# TODO make sure this in the proper section
+java-pkg_recordjavadoc()
+{
+	debug-print-function ${FUNCNAME} $*
+	# the find statement is important
+	# as some packages include multiple trees of javadoc
+	JAVADOC_PATH="$(find ${D}/usr/share/doc/ -name allclasses-frame.html -printf '%h:')"
+	# remove $D - TODO: check this is ok with all cases of the above
+	JAVADOC_PATH="${JAVADOC_PATH//${D}}"
+	if [[ -n "${JAVADOC_PATH}" ]] ; then
+		debug-print "javadocs found in ${JAVADOC_PATH%:}"
+		java-pkg_do_write_
+	else
+		debug-print "No javadocs found"
+	fi
+}
+
+
+# @FUNCTION: java-pkg_jar-from
+# @USAGE: [--build-only] [--with-dependencies] [--virtual] [--into dir] <package> [<package.jar>] [<destination.jar>]
+# @DESCRIPTION:
+# Makes a symlink to a jar from a certain package
+# A lot of java packages include dependencies in a lib/ directory
+# You can use this function to replace these bundled dependencies.
+# The dependency is recorded into package.env DEPEND line, unless "--build-only"
+# is passed as the very first argument, for jars that have to be present only
+# at build time and are not needed on runtime (junit testing etc).
+#
+# @CODE
+# Example: get all jars from xerces slot 2
+#	java-pkg_jar-from xerces-2
+#
+# Example: get a specific jar from xerces slot 2
+# 	java-pkg_jar-from xerces-2 xml-apis.jar
+#
+# Example: get a specific jar from xerces slot 2, and name it diffrently
+# 	java-pkg_jar-from xerces-2 xml-apis.jar xml.jar
+#
+# Example: get junit.jar which is needed only for building
+#	java-pkg_jar-from --build-only junit junit.jar
+# @CODE
+#
+# @CODE
+# Parameters
+#	--build-only - makes the jar(s) not added into package.env DEPEND line.
+#	  (assumed automatically when called inside src_test)
+#	--with-dependencies - get jars also from requested package's dependencies
+#	  transitively.
+#	--virtual - Packages passed to this function are to be handled as virtuals
+#	  and will not have individual jar dependencies recorded.
+#	--into $dir - symlink jar(s) into $dir (must exist) instead of .
+# $1 - Package to get jars from, or comma-separated list of packages in
+#	case other parameters are not used.
+# $2 - jar from package. If not specified, all jars will be used.
+# $3 - When a single jar is specified, destination filename of the
+#	symlink. Defaults to the name of the jar.
+# @CODE
+
+# TODO could probably be cleaned up a little
+java-pkg_jar-from() {
+	debug-print-function ${FUNCNAME} $*
+
+	local build_only=""
+	local destdir="."
+	local deep=""
+	local virtual=""
+	local record_jar=""
+
+	[[ "${EBUILD_PHASE}" == "test" ]] && build_only="build"
+
+	while [[ "${1}" == --* ]]; do
+		if [[ "${1}" = "--build-only" ]]; then
+			build_only="build"
+		elif [[ "${1}" = "--with-dependencies" ]]; then
+			deep="--with-dependencies"
+		elif [[ "${1}" = "--virtual" ]]; then
+			virtual="true"
+		elif [[ "${1}" = "--into" ]]; then
+			destdir="${2}"
+			shift
+		else
+			die "java-pkg_jar-from called with unknown parameter: ${1}"
+		fi
+		shift
+	done
+
+	local target_pkg="${1}" target_jar="${2}" destjar="${3}"
+
+	[[ -z ${target_pkg} ]] && die "Must specify a package"
+
+	if [[ "${EAPI}" == "1" ]]; then
+		target_pkg="${target_pkg//:/-}"
+	fi
+
+	# default destjar to the target jar
+	[[ -z "${destjar}" ]] && destjar="${target_jar}"
+
+	local error_msg="There was a problem getting the classpath for ${target_pkg}."
+	local classpath
+	classpath="$(java-config ${deep} --classpath=${target_pkg})"
+	[[ $? != 0 ]] && die ${error_msg}
+
+	# When we have commas this functions is called to bring jars from multiple
+	# packages. This affects recording of dependencencies performed later
+	# which expects one package only, so we do it here.
+	if [[ ${target_pkg} = *,* ]]; then
+		for pkg in ${target_pkg//,/ }; do
+			java-pkg_ensure-dep "${build_only}" "${pkg}"
+			[[ -z "${build_only}" ]] && java-pkg_record-jar_ "${pkg}"
+		done
+		# setting this disables further record-jar_ calls later
+		record_jar="true"
+	else
+		java-pkg_ensure-dep "${build_only}" "${target_pkg}"
+	fi
+
+	# Record the entire virtual as a dependency so that
+	# no jars are missed.
+	if [[ -z "${build_only}" && -n "${virtual}" ]]; then
+		java-pkg_record-jar_ "${target_pkg}"
+		# setting this disables further record-jars_ calls later
+		record_jar="true"
+	fi
+
+	pushd ${destdir} > /dev/null \
+		|| die "failed to change directory to ${destdir}"
+
+	local jar
+	for jar in ${classpath//:/ }; do
+		local jar_name=$(basename "${jar}")
+		if [[ ! -f "${jar}" ]] ; then
+			debug-print "${jar} from ${target_pkg} does not exist"
+			die "Installation problems with jars in ${target_pkg} - is it installed?"
+		fi
+		# If no specific target jar was indicated, link it
+		if [[ -z "${target_jar}" ]] ; then
+			[[ -f "${target_jar}" ]]  && rm "${target_jar}"
+			ln -snf "${jar}" \
+				|| die "Failed to make symlink from ${jar} to ${jar_name}"
+			if [[ -z "${record_jar}" ]]; then
+				if [[ -z "${build_only}" ]]; then
+					java-pkg_record-jar_ "${target_pkg}" "${jar}"
+				else
+					java-pkg_record-jar_ --build-only "${target_pkg}" "${jar}"
+				fi
+			fi
+		# otherwise, if the current jar is the target jar, link it
+		elif [[ "${jar_name}" == "${target_jar}" ]] ; then
+			[[ -f "${destjar}" ]]  && rm "${destjar}"
+			ln -snf "${jar}" "${destjar}" \
+				|| die "Failed to make symlink from ${jar} to ${destjar}"
+			if [[ -z "${record_jar}" ]]; then
+				if [[ -z "${build_only}" ]]; then
+					java-pkg_record-jar_ "${target_pkg}" "${jar}"
+				else
+					java-pkg_record-jar_ --build-only "${target_pkg}" "${jar}"
+				fi
+			fi
+			popd > /dev/null || die
+			return 0
+		fi
+	done
+	popd > /dev/null || die
+	# if no target was specified, we're ok
+	if [[ -z "${target_jar}" ]] ; then
+		return 0
+	# otherwise, die bitterly
+	else
+		die "Failed to find ${target_jar:-jar} in ${target_pkg}"
+	fi
+}
+
+# @FUNCTION: java-pkg_jarfrom
+# @DESCRIPTION:
+# See java-pkg_jar-from
+java-pkg_jarfrom() {
+	java-pkg_jar-from "$@"
+}
+
+# @FUNCTION: java-pkg_getjars
+# @USAGE: [--build-only] [--with-dependencies] <package1>[,<package2>...]
+# @DESCRIPTION:
+# Get the classpath provided by any number of packages
+# Among other things, this can be passed to 'javac -classpath' or 'ant -lib'.
+# The providing packages are recorded as dependencies into package.env DEPEND
+# line, unless "--build-only" is passed as the very first argument, for jars
+# that have to be present only at build time and are not needed on runtime
+# (junit testing etc).
+#
+# @CODE
+# Example: Get the classpath for xerces-2 and xalan,
+#	java-pkg_getjars xerces-2,xalan
+#
+# Example Return:
+#	/usr/share/xerces-2/lib/xml-apis.jar:/usr/share/xerces-2/lib/xmlParserAPIs.jar:/usr/share/xalan/lib/xalan.jar
+#
+#
+# Parameters:
+#	--build-only - makes the jar(s) not added into package.env DEPEND line.
+#	  (assumed automatically when called inside src_test)
+#	--with-dependencies - get jars also from requested package's dependencies
+#	  transitively.
+# $1 - list of packages to get jars from
+#   (passed to java-config --classpath)
+# @CODE
+java-pkg_getjars() {
+	debug-print-function ${FUNCNAME} $*
+
+	local build_only=""
+	local deep=""
+
+	[[ "${EBUILD_PHASE}" == "test" ]] && build_only="build"
+
+	while [[ "${1}" == --* ]]; do
+		if [[ "${1}" = "--build-only" ]]; then
+			build_only="build"
+		elif [[ "${1}" = "--with-dependencies" ]]; then
+			deep="--with-dependencies"
+		else
+			die "java-pkg_jar-from called with unknown parameter: ${1}"
+		fi
+		shift
+	done
+
+	[[ ${#} -ne 1 ]] && die "${FUNCNAME} takes only one argument besides --*"
+
+
+	local pkgs="${1}"
+
+	if [[ "${EAPI}" == "1" ]]; then
+		pkgs="${pkgs//:/-}"
+	fi
+
+	jars="$(java-config ${deep} --classpath=${pkgs})"
+	[[ $? != 0 ]] && die "java-config --classpath=${pkgs} failed"
+	debug-print "${pkgs}:${jars}"
+
+	for pkg in ${pkgs//,/ }; do
+		java-pkg_ensure-dep "${build_only}" "${pkg}"
+	done
+
+	for pkg in ${pkgs//,/ }; do
+		if [[ -z "${build_only}" ]]; then
+			java-pkg_record-jar_ "${pkg}"
+		else
+			java-pkg_record-jar_ --build-only "${pkg}"
+		fi
+	done
+
+	echo "${jars}"
+}
+
+# @FUNCTION: java-pkg_getjar
+# @USAGE: [--build-only] [--virtual] <package> <jarfile>
+# @DESCRIPTION:
+# Get the complete path of a single jar from a package
+# The providing package is recorded as runtime dependency into package.env
+# DEPEND line, unless "--build-only" is passed as the very first argument, for
+# jars that have to be present only at build time and are not needed on runtime
+# (junit testing etc).
+#
+# @CODE
+# Example:
+#	java-pkg_getjar xerces-2 xml-apis.jar
+# returns
+#	/usr/share/xerces-2/lib/xml-apis.jar
+#
+# Parameters:
+#	--build-only - makes the jar not added into package.env DEPEND line.
+#	--virtual - Packages passed to this function are to be handled as virtuals
+#	  and will not have individual jar dependencies recorded.
+# $1 - package to use
+# $2 - jar to get
+# @CODE
+java-pkg_getjar() {
+	debug-print-function ${FUNCNAME} $*
+
+	local build_only=""
+	local virtual=""
+	local record_jar=""
+
+	[[ "${EBUILD_PHASE}" == "test" ]] && build_only="build"
+
+	while [[ "${1}" == --* ]]; do
+		if [[ "${1}" = "--build-only" ]]; then
+			build_only="build"
+		elif [[ "${1}" == "--virtual" ]]; then
+			virtual="true"
+		else
+			die "java-pkg_getjar called with unknown parameter: ${1}"
+		fi
+		shift
+	done
+
+	[[ ${#} -ne 2 ]] && die "${FUNCNAME} takes only two arguments besides --*"
+
+	local pkg="${1}" target_jar="${2}" jar
+
+	if [[ "${EAPI}" == "1" ]]; then
+		pkg="${pkg//:/-}"
+	fi
+
+	[[ -z ${pkg} ]] && die "Must specify package to get a jar from"
+	[[ -z ${target_jar} ]] && die "Must specify jar to get"
+
+	local error_msg="Could not find classpath for ${pkg}. Are you sure its installed?"
+	local classpath
+	classpath=$(java-config --classpath=${pkg})
+	[[ $? != 0 ]] && die ${error_msg}
+
+	java-pkg_ensure-dep "${build_only}" "${pkg}"
+
+	# Record the package(Virtual) as a dependency and then set build_only
+	# So that individual jars are not recorded.
+	if [[ -n "${virtual}" ]]; then
+		if [[ -z "${build_only}" ]]; then
+			java-pkg_record-jar_ "${pkg}"
+		else
+			java-pkg_record-jar_ --build-only "${pkg}"
+		fi
+		record_jar="true"
+	fi
+
+	for jar in ${classpath//:/ }; do
+		if [[ ! -f "${jar}" ]] ; then
+			die "Installation problem with jar ${jar} in ${pkg} - is it installed?"
+		fi
+
+		if [[ "$(basename ${jar})" == "${target_jar}" ]] ; then
+			# Only record jars that aren't build-only
+			if [[ -z "${record_jar}" ]]; then
+				if [[ -z "${build_only}" ]]; then
+					java-pkg_record-jar_ "${pkg}" "${jar}"
+				else
+					java-pkg_record-jar_ --build-only "${pkg}" "${jar}"
+				fi
+			fi
+			echo "${jar}"
+			return 0
+		fi
+	done
+
+	die "Could not find ${target_jar} in ${pkg}"
+	return 1
+}
+
+# @FUNCTION: java-pkg_register-dependency
+# @USAGE: <package>[,<package2>...] [<jarfile>]
+# @DESCRIPTION:
+# Registers runtime dependency on a package, list of packages, or a single jar
+# from a package, into package.env DEPEND line. Can only be called in
+# src_install phase.
+# Intended for binary packages where you don't need to symlink the jars or get
+# their classpath during build. As such, the dependencies only need to be
+# specified in ebuild's RDEPEND, and should be omitted in DEPEND.
+#
+# @CODE
+# Parameters:
+# $1 - comma-separated list of packages, or a single package
+# $2 - if param $1 is a single package, optionally specify the jar
+#   to depend on
+#
+# Examples:
+# Record the dependency on whole xerces-2 and xalan,
+#	java-pkg_register-dependency xerces-2,xalan
+#
+# Record the dependency on ant.jar from ant-core
+#	java-pkg_register-dependency ant-core ant.jar
+# @CODE
+#
+# Note: Passing both list of packages as the first parameter AND specifying the
+# jar as the second is not allowed and will cause the function to die. We assume
+# that there's more chance one passes such combination as a mistake, than that
+# there are more packages providing identically named jar without class
+# collisions.
+java-pkg_register-dependency() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_check-phase install
+
+	[[ ${#} -gt 2 ]] && die "${FUNCNAME} takes at most two arguments"
+
+	local pkgs="${1}"
+	local jar="${2}"
+
+	[[ -z "${pkgs}" ]] && die "${FUNCNAME} called with no package(s) specified"
+
+	if [[ "${EAPI}" == "1" ]]; then
+		pkgs="${pkgs//:/-}"
+	fi
+
+	if [[ -z "${jar}" ]]; then
+		for pkg in ${pkgs//,/ }; do
+			java-pkg_ensure-dep runtime "${pkg}"
+			java-pkg_record-jar_ "${pkg}"
+		done
+	else
+		[[ ${pkgs} == *,* ]] && \
+			die "${FUNCNAME} called with both package list and jar name"
+		java-pkg_ensure-dep runtime "${pkgs}"
+		java-pkg_record-jar_ "${pkgs}" "${jar}"
+	fi
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_register-optional-dependency
+# @USAGE: <package>[,<package2>...] [<jarfile>]
+# @DESCRIPTION:
+# Registers optional runtime dependency on a package, list of packages, or a
+# single jar from a package, into package.env OPTIONAL_DEPEND line. Can only be
+# called in src_install phase.
+# Intended for packages that can use other packages when those are in classpath.
+# Will be put on classpath by launcher if they are installed. Typical case is
+# JDBC implementations for various databases. It's better than having USE flag
+# for each implementation triggering hard dependency.
+#
+# @CODE
+# Parameters:
+# $1 - comma-separated list of packages, or a single package
+# $2 - if param $1 is a single package, optionally specify the jar to depend on
+#
+# Example:
+# Record the optional dependency on some jdbc providers
+#	java-pkg_register-optional-dependency jdbc-jaybird,jtds-1.2,jdbc-mysql
+# @CODE
+#
+# Note: Passing both list of packages as the first parameter AND specifying the
+# jar as the second is not allowed and will cause the function to die. We assume
+# that there's more chance one passes such combination as a mistake, than that
+# there are more packages providing identically named jar without class
+# collisions.
+java-pkg_register-optional-dependency() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_check-phase install
+
+	[[ ${#} -gt 2 ]] && die "${FUNCNAME} takes at most two arguments"
+
+	local pkgs="${1}"
+	local jar="${2}"
+
+	[[ -z "${pkgs}" ]] && die "${FUNCNAME} called with no package(s) specified"
+
+	if [[ "${EAPI}" == "1" ]]; then
+		pkgs="${pkgs//:/-}"
+	fi
+
+	if [[ -z "${jar}" ]]; then
+		for pkg in ${pkgs//,/ }; do
+			java-pkg_record-jar_ --optional "${pkg}"
+		done
+	else
+		[[ ${pkgs} == *,* ]] && \
+			die "${FUNCNAME} called with both package list and jar name"
+		java-pkg_record-jar_ --optional "${pkgs}" "${jar}"
+	fi
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_register-environment-variable
+# @USAGE: <name> <value>
+# @DESCRIPTION:
+# Register an arbitrary environment variable into package.env. The gjl launcher
+# for this package or any package depending on this will export it into
+# environement before executing java command.
+# Must only be called in src_install phase.
+JAVA_PKG_EXTRA_ENV="${T}/java-pkg-extra-env"
+JAVA_PKG_EXTRA_ENV_VARS=""
+java-pkg_register-environment-variable() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_check-phase install
+
+	[[ ${#} != 2 ]] && die "${FUNCNAME} takes two arguments"
+
+	echo "${1}=\"${2}\"" >> ${JAVA_PKG_EXTRA_ENV}
+	JAVA_PKG_EXTRA_ENV_VARS="${JAVA_PKG_EXTRA_ENV_VARS} ${1}"
+
+	java-pkg_do_write_
+}
+
+# @FUNCTION: java-pkg_get-bootclasspath
+# @USAGE: <version>
+# @DESCRIPTION:
+# Returns classpath of a given bootclasspath-providing package version.
+#
+# @param $1 - the version of bootclasspath (e.g. 1.5), 'auto' for bootclasspath
+#             of the current JDK
+java-pkg_get-bootclasspath() {
+	local version="${1}"
+
+	local bcp
+	case "${version}" in
+		auto)
+			bcp="$(java-config -g BOOTCLASSPATH)"
+			;;
+		1.5)
+			bcp="$(java-pkg_getjars --build-only gnu-classpath-0.98)"
+			;;
+		*)
+			eerror "unknown parameter of java-pkg_get-bootclasspath"
+			die "unknown parameter of java-pkg_get-bootclasspath"
+			;;
+	esac
+
+	echo "${bcp}"
+}
+
+
+# This function reads stdin, and based on that input, figures out how to
+# populate jars from the filesystem.
+# Need to figure out a good way of making use of this, ie be able to use a
+# string that was built instead of stdin
+# NOTE: this isn't quite ready for primetime.
+#java-pkg_populate-jars() {
+#	local line
+#
+#	read line
+#	while [[ -n "${line}" ]]; do
+#		# Ignore comments
+#		[[ ${line%%#*} == "" ]] && continue
+#
+#		# get rid of any spaces
+#		line="${line// /}"
+#
+#		# format: path=jarinfo
+#		local path=${line%%=*}
+#		local jarinfo=${line##*=}
+#
+#		# format: jar@package
+#		local jar=${jarinfo%%@*}.jar
+#		local package=${jarinfo##*@}
+#		if [[ -n ${replace_only} ]]; then
+#			[[ ! -f $path ]] && die "No jar exists at ${path}"
+#		fi
+#		if [[ -n ${create_parent} ]]; then
+#			local parent=$(dirname ${path})
+#			mkdir -p "${parent}"
+#		fi
+#		java-pkg_jar-from "${package}" "${jar}" "${path}"
+#
+#		read line
+#	done
+#}
+
+# @FUNCTION: java-pkg_find-normal-jars
+# @USAGE: [<path/to/directory>]
+# @DESCRIPTION:
+# Find the files with suffix .jar file in the given directory (default: $WORKDIR)
+java-pkg_find-normal-jars() {
+	local dir=$1
+	[[ "${dir}" ]] || dir="${WORKDIR}"
+	local found
+	for jar in $(find "${dir}" -name "*.jar" -type f); do
+		echo "${jar}"
+		found="true"
+	done
+	[[ "${found}" ]]
+	return $?
+}
+
+# @FUNCTION: java-pkg_ensure-no-bundled-jars
+# @DESCRIPTION:
+# Try to locate bundled jar files in ${WORKDIR} and die if found.
+# This function should be called after WORKDIR has been populated with symlink
+# to system jar files or bundled jars removed.
+java-pkg_ensure-no-bundled-jars() {
+	debug-print-function ${FUNCNAME} $*
+
+	local bundled_jars=$(java-pkg_find-normal-jars)
+	if [[ -n ${bundled_jars} ]]; then
+		echo "Bundled jars found:"
+		local jar
+		for jar in ${bundled_jars}; do
+			echo $(pwd)${jar/./}
+		done
+		die "Bundled jars found!"
+	fi
+}
+
+# @FUNCTION: java-pkg_ensure-vm-version-sufficient
+# @INTERNAL
+# @DESCRIPTION:
+# Checks if we have a sufficient VM and dies if we don't.
+java-pkg_ensure-vm-version-sufficient() {
+	debug-print-function ${FUNCNAME} $*
+
+	if ! java-pkg_is-vm-version-sufficient; then
+		debug-print "VM is not suffient"
+		eerror "Current Java VM cannot build this package"
+		einfo "Please use java-config -S to set the correct one"
+		die "Active Java VM cannot build this package"
+	fi
+}
+
+# @FUNCTION: java-pkg_is-vm-version-sufficient
+# @INTERNAL
+# @DESCRIPTION:
+# @RETURN: zero - VM is sufficient; non-zero - VM is not sufficient
+java-pkg_is-vm-version-sufficient() {
+	debug-print-function ${FUNCNAME} $*
+
+	depend-java-query --is-sufficient "${DEPEND}" > /dev/null
+	return $?
+}
+
+# @FUNCTION: java-pkg_ensure-vm-version-eq
+# @INTERNAL
+# @DESCRIPTION:
+# Die if the current VM is not equal to the argument passed.
+#
+# @param $@ - Desired VM version to ensure
+java-pkg_ensure-vm-version-eq() {
+	debug-print-function ${FUNCNAME} $*
+
+	if ! java-pkg_is-vm-version-eq $@ ; then
+		debug-print "VM is not suffient"
+		eerror "This package requires a Java VM version = $@"
+		einfo "Please use java-config -S to set the correct one"
+		die "Active Java VM too old"
+	fi
+}
+
+# @FUNCTION: java-pkg_is-vm-version-eq
+# @USAGE: <version>
+# @INTERNAL
+# @RETURN: zero - VM versions are equal; non-zero - VM version are not equal
+java-pkg_is-vm-version-eq() {
+	debug-print-function ${FUNCNAME} $*
+
+	local needed_version="$@"
+
+	[[ -z "${needed_version}" ]] && die "need an argument"
+
+	local vm_version="$(java-pkg_get-vm-version)"
+
+	vm_version="$(get_version_component_range 1-2 "${vm_version}")"
+	needed_version="$(get_version_component_range 1-2 "${needed_version}")"
+
+	if [[ -z "${vm_version}" ]]; then
+		debug-print "Could not get JDK version from DEPEND"
+		return 1
+	else
+		if [[ "${vm_version}" == "${needed_version}" ]]; then
+			debug-print "Detected a JDK(${vm_version}) = ${needed_version}"
+			return 0
+		else
+			debug-print "Detected a JDK(${vm_version}) != ${needed_version}"
+			return 1
+		fi
+	fi
+}
+
+# @FUNCTION: java-pkg_ensure-vm-version-ge
+# @INTERNAL
+# @DESCRIPTION:
+# Die if the current VM is not greater than the desired version
+#
+# @param $@ - VM version to compare current to
+java-pkg_ensure-vm-version-ge() {
+	debug-print-function ${FUNCNAME} $*
+
+	if ! java-pkg_is-vm-version-ge "$@" ; then
+		debug-print "vm is not suffient"
+		eerror "This package requires a Java VM version >= $@"
+		einfo "Please use java-config -S to set the correct one"
+		die "Active Java VM too old"
+	fi
+}
+
+# @FUNCTION: java-pkg_is-vm-version-ge
+# @INTERNAL
+# @DESCRIPTION:
+# @CODE
+# Parameters:
+# $@ - VM version to compare current VM to
+# @CODE
+# @RETURN: zero - current VM version is greater than checked version;
+# 	non-zero - current VM version is not greater than checked version
+java-pkg_is-vm-version-ge() {
+	debug-print-function ${FUNCNAME} $*
+
+	local needed_version=$@
+	local vm_version=$(java-pkg_get-vm-version)
+	if [[ -z "${vm_version}" ]]; then
+		debug-print "Could not get JDK version from DEPEND"
+		return 1
+	else
+		if version_is_at_least "${needed_version}" "${vm_version}"; then
+			debug-print "Detected a JDK(${vm_version}) >= ${needed_version}"
+			return 0
+		else
+			debug-print "Detected a JDK(${vm_version}) < ${needed_version}"
+			return 1
+		fi
+	fi
+}
+
+java-pkg_set-current-vm() {
+	export GENTOO_VM=${1}
+}
+
+java-pkg_get-current-vm() {
+	echo ${GENTOO_VM}
+}
+
+java-pkg_current-vm-matches() {
+	has $(java-pkg_get-current-vm) ${@}
+	return $?
+}
+
+# @FUNCTION: java-pkg_get-source
+# @DESCRIPTION:
+# Determines what source version should be used, for passing to -source.
+# Unless you want to break things you probably shouldn't set _WANT_SOURCE
+#
+# @RETURN: string - Either the lowest possible source, or JAVA_PKG_WANT_SOURCE
+java-pkg_get-source() {
+	echo ${JAVA_PKG_WANT_SOURCE:-$(depend-java-query --get-lowest "${DEPEND} ${RDEPEND}")}
+}
+
+# @FUNCTION: java-pkg_get-target
+# @DESCRIPTION:
+# Determines what target version should be used, for passing to -target.
+# If you don't care about lower versions, you can set _WANT_TARGET to the
+# version of your JDK.
+#
+# @RETURN: string - Either the lowest possible target, or JAVA_PKG_WANT_TARGET
+java-pkg_get-target() {
+	echo ${JAVA_PKG_WANT_TARGET:-$(depend-java-query --get-lowest "${DEPEND} ${RDEPEND}")}
+}
+
+# @FUNCTION: java-pkg_get-javac
+# @DESCRIPTION:
+# Returns the compiler executable
+java-pkg_get-javac() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-pkg_init-compiler_
+	local compiler="${GENTOO_COMPILER}"
+
+	local compiler_executable
+	if [[ "${compiler}" = "javac" ]]; then
+		# nothing fancy needs to be done for javac
+		compiler_executable="javac"
+	else
+		# for everything else, try to determine from an env file
+
+		local compiler_env="/usr/share/java-config-2/compiler/${compiler}"
+		if [[ -f ${compiler_env} ]]; then
+			local old_javac=${JAVAC}
+			unset JAVAC
+			# try to get value of JAVAC
+			compiler_executable="$(source ${compiler_env} 1>/dev/null 2>&1; echo ${JAVAC})"
+			export JAVAC=${old_javac}
+
+			if [[ -z ${compiler_executable} ]]; then
+				die "JAVAC is empty or undefined in ${compiler_env}"
+			fi
+
+			# check that it's executable
+			if [[ ! -x ${compiler_executable} ]]; then
+				die "${compiler_executable} doesn't exist, or isn't executable"
+			fi
+		else
+			die "Could not find environment file for ${compiler}"
+		fi
+	fi
+	echo ${compiler_executable}
+}
+
+# @FUNCTION: java-pkg_javac-args
+# @DESCRIPTION:
+# If an ebuild uses javac directly, instead of using ejavac, it should call this
+# to know what -source/-target to use.
+#
+# @RETURN: string - arguments to pass to javac, complete with -target and -source
+java-pkg_javac-args() {
+	debug-print-function ${FUNCNAME} $*
+
+	local want_source="$(java-pkg_get-source)"
+	local want_target="$(java-pkg_get-target)"
+
+	local source_str="-source ${want_source}"
+	local target_str="-target ${want_target}"
+
+	debug-print "want source: ${want_source}"
+	debug-print "want target: ${want_target}"
+
+	if [[ -z "${want_source}" || -z "${want_target}" ]]; then
+		die "Could not find valid -source/-target values for javac"
+	else
+		echo "${source_str} ${target_str}"
+	fi
+}
+
+# @FUNCTION: java-pkg_get-jni-cflags
+# @DESCRIPTION:
+# Echos the CFLAGS for JNI compilations
+java-pkg_get-jni-cflags() {
+	local flags="-I${JAVA_HOME}/include"
+
+	local platform="linux"
+	use elibc_FreeBSD && platform="freebsd"
+
+	# TODO do a check that the directories are valid
+	flags="${flags} -I${JAVA_HOME}/include/${platform}"
+
+	echo ${flags}
+}
+
+java-pkg_ensure-gcj() {
+	# was enforcing sys-devel/gcc[gcj]
+	die "${FUNCNAME} was removed. Use use-deps available as of EAPI 2 instead. #261562"
+}
+
+java-pkg_ensure-test() {
+	# was enforcing USE=test if FEATURES=test
+	die "${FUNCNAME} was removed. Package mangers handle this already. #278965"
+}
+
+# @FUNCTION: java-pkg_register-ant-task
+# @USAGE: [--version x.y] [<name>]
+# @DESCRIPTION:
+# Register this package as ant task, so that ant will load it when no specific
+# ANT_TASKS are specified. Note that even without this registering, all packages
+# specified in ANT_TASKS will be loaded. Mostly used by the actual ant tasks
+# packages, but can be also used by other ebuilds that used to symlink their
+# .jar into /usr/share/ant-core/lib to get autoloaded, for backwards
+# compatibility.
+#
+# @CODE
+# Parameters
+# --version x.y Register only for ant version x.y (otherwise for any ant
+#		version). Used by the ant-* packages to prevent loading of mismatched
+#		ant-core ant tasks after core was updated, before the tasks are updated,
+#		without a need for blockers.
+# $1 Name to register as. Defaults to JAVA_PKG_NAME ($PN[-$SLOT])
+# @CODE
+java-pkg_register-ant-task() {
+	local TASKS_DIR="tasks"
+
+	# check for --version x.y parameters
+	while [[ -n "${1}" && -n "${2}" ]]; do
+		local var="${1#--}"
+		local val="${2}"
+		if [[ "${var}" == "version" ]]; then
+			TASKS_DIR="tasks-${val}"
+		else
+			die "Unknown parameter passed to java-pkg_register-ant-tasks: ${1} ${2}"
+		fi
+		shift 2
+	done
+
+	local TASK_NAME="${1:-${JAVA_PKG_NAME}}"
+
+	dodir /usr/share/ant/${TASKS_DIR}
+	touch "${ED}/usr/share/ant/${TASKS_DIR}/${TASK_NAME}"
+}
+
+# @FUNCTION: java-pkg_ant-tasks-depend
+# @INTERNAL
+# @DESCRIPTION:
+# Translates the WANT_ANT_TASKS variable into valid dependencies.
+java-pkg_ant-tasks-depend() {
+	debug-print-function ${FUNCNAME} ${WANT_ANT_TASKS}
+
+	if [[ -n "${WANT_ANT_TASKS}" ]]; then
+		local DEP=""
+		for i in ${WANT_ANT_TASKS}
+		do
+			if [[ ${i} = ant-* ]]; then
+				DEP="${DEP}dev-java/${i} "
+			elif [[ ${i} = */*:* ]]; then
+				DEP="${DEP}${i} "
+			else
+				echo "Invalid atom in WANT_ANT_TASKS: ${i}"
+				return 1
+			fi
+		done
+		echo ${DEP}
+		return 0
+	else
+		return 0
+	fi
+}
+
+
+# @FUNCTION: ejunit_
+# @INTERNAL
+# @DESCRIPTION:
+# Internal Junit wrapper function. Makes it easier to run the tests and checks for
+# dev-java/junit in DEPEND. Launches the tests using junit.textui.TestRunner.
+# @CODE
+# Parameters:
+# $1 - junit package (junit or junit-4)
+# $2 - -cp or -classpath
+# $3 - classpath; junit and recorded dependencies get appended
+# $@ - the rest of the parameters are passed to java
+# @CODE
+ejunit_() {
+	debug-print-function ${FUNCNAME} $*
+
+	local pkgs
+	if [[ -f ${JAVA_PKG_DEPEND_FILE} ]]; then
+		for atom in $(cat ${JAVA_PKG_DEPEND_FILE} | tr : ' '); do
+			pkgs=${pkgs},$(echo ${atom} | sed -re "s/^.*@//")
+		done
+	fi
+
+	local junit=${1}
+	shift 1
+
+	local cp=$(java-pkg_getjars --with-dependencies ${junit}${pkgs})
+	if [[ ${1} = -cp || ${1} = -classpath ]]; then
+		cp="${2}:${cp}"
+		shift 2
+	else
+		cp=".:${cp}"
+	fi
+
+	local runner=junit.textui.TestRunner
+	if [[ "${junit}" == "junit-4" ]] ; then
+		runner=org.junit.runner.JUnitCore
+	fi
+	debug-print "Calling: java -cp \"${cp}\" -Djava.io.tmpdir=\"${T}\" -Djava.awt.headless=true ${runner} ${@}"
+	java -cp "${cp}" -Djava.io.tmpdir="${T}/" -Djava.awt.headless=true ${runner} "${@}" || die "Running junit failed"
+}
+
+# @FUNCTION: ejunit
+# @DESCRIPTION:
+# Junit wrapper function. Makes it easier to run the tests and checks for
+# dev-java/junit in DEPEND. Launches the tests using org.junit.runner.JUnitCore.
+#
+# @CODE
+# Parameters:
+# $1 - -cp or -classpath
+# $2 - classpath; junit and recorded dependencies get appended
+# $@ - the rest of the parameters are passed to java
+#
+# Examples:
+# ejunit -cp build/classes org.blinkenlights.jid3.test.AllTests
+# ejunit org.blinkenlights.jid3.test.AllTests
+# ejunit org.blinkenlights.jid3.test.FirstTest org.blinkenlights.jid3.test.SecondTest
+# @CODE
+ejunit() {
+	debug-print-function ${FUNCNAME} $*
+
+	ejunit_ "junit" "${@}"
+}
+
+# @FUNCTION: ejunit4
+# @DESCRIPTION:
+# Junit4 wrapper function. Makes it easier to run the tests and checks for
+# dev-java/junit:4 in DEPEND. Launches the tests using junit.textui.TestRunner.
+#
+# @CODE
+# Parameters:
+# $1 - -cp or -classpath
+# $2 - classpath; junit and recorded dependencies get appended
+# $@ - the rest of the parameters are passed to java
+#
+# Examples:
+# ejunit4 -cp build/classes org.blinkenlights.jid3.test.AllTests
+# ejunit4 org.blinkenlights.jid3.test.AllTests
+# ejunit4 org.blinkenlights.jid3.test.FirstTest \
+#         org.blinkenlights.jid3.test.SecondTest
+# @CODE
+ejunit4() {
+	debug-print-function ${FUNCNAME} $*
+
+	ejunit_ "junit-4" "${@}"
+}
+
+# @FUNCTION: java-utils-2_src_prepare
+# @DESCRIPTION:
+# src_prepare Searches for bundled jars
+# Don't call directly, but via java-pkg-2_src_prepare!
+java-utils-2_src_prepare() {
+	case ${EAPI:-0} in
+		[0-5])
+			java-pkg_func-exists java_prepare && java_prepare ;;
+		*)
+			java-pkg_func-exists java_prepare &&
+				eqawarn "java_prepare is no longer called, define src_prepare instead."
+			eapply_user ;;
+	esac
+
+	# Check for files in JAVA_RM_FILES array.
+	if [[ ${JAVA_RM_FILES[@]} ]]; then
+		debug-print "$FUNCNAME: removing unneeded files"
+		java-pkg_rm_files "${JAVA_RM_FILES[@]}"
+	fi
+
+	if is-java-strict; then
+		echo "Searching for bundled jars:"
+		java-pkg_find-normal-jars || echo "None found."
+		echo "Searching for bundled classes (no output if none found):"
+		find "${WORKDIR}" -name "*.class"
+		echo "Search done."
+	fi
+}
+
+# @FUNCTION: java-utils-2_pkg_preinst
+# @DESCRIPTION:
+# pkg_preinst Searches for missing and unneeded dependencies
+# Don't call directly, but via java-pkg-2_pkg_preinst!
+java-utils-2_pkg_preinst() {
+	if is-java-strict; then
+		if [[ ! -e "${JAVA_PKG_ENV}" ]] || has ant-tasks ${INHERITED}; then
+			return
+		fi
+
+		if has_version dev-java/java-dep-check; then
+			local output=$(GENTOO_VM= java-dep-check --image "${D}" "${JAVA_PKG_ENV}")
+			[[ ${output} ]] && ewarn "${output}"
+		else
+			eerror "Install dev-java/java-dep-check for dependency checking"
+		fi
+	fi
+}
+
+# @FUNCTION: eant
+# @USAGE: <ant_build_target(s)>
+# @DESCRIPTION:
+# Ant wrapper function. Will use the appropriate compiler, based on user-defined
+# compiler. Will also set proper ANT_TASKS from the variable ANT_TASKS,
+# variables:
+#
+# @CODE
+# Variables:
+# EANT_GENTOO_CLASSPATH - calls java-pkg_getjars for the value and adds to the
+# 		gentoo.classpath property. Be sure to call java-ant_rewrite-classpath in src_unpack.
+# EANT_NEEDS_TOOLS - add tools.jar to the gentoo.classpath. Should only be used
+# 		for build-time purposes, the dependency is not recorded to
+# 		package.env!
+# ANT_TASKS - used to determine ANT_TASKS before calling Ant.
+# @CODE
+eant() {
+	debug-print-function ${FUNCNAME} $*
+
+	if [[ ${EBUILD_PHASE} = compile ]]; then
+		java-ant-2_src_configure
+	fi
+
+	if ! has java-ant-2 ${INHERITED}; then
+		local msg="You should inherit java-ant-2 when using eant"
+		java-pkg_announce-qa-violation "${msg}"
+	fi
+
+	local antflags="-Dnoget=true -Dmaven.mode.offline=true -Dbuild.sysclasspath=ignore"
+
+	java-pkg_init-compiler_
+	local compiler="${GENTOO_COMPILER}"
+
+	local compiler_env="${JAVA_PKG_COMPILER_DIR}/${compiler}"
+	local build_compiler="$(source ${compiler_env} 1>/dev/null 2>&1; echo ${ANT_BUILD_COMPILER})"
+	if [[ "${compiler}" != "javac" && -z "${build_compiler}" ]]; then
+		die "ANT_BUILD_COMPILER undefined in ${compiler_env}"
+	fi
+
+	if [[ ${compiler} != "javac" ]]; then
+		antflags="${antflags} -Dbuild.compiler=${build_compiler}"
+		# Figure out any extra stuff to put on the classpath for compilers aside
+		# from javac
+		# ANT_BUILD_COMPILER_DEPS should be something that could be passed to
+		# java-config -p
+		local build_compiler_deps="$(source ${JAVA_PKG_COMPILER_DIR}/${compiler} 1>/dev/null 2>&1; echo ${ANT_BUILD_COMPILER_DEPS})"
+		if [[ -n ${build_compiler_deps} ]]; then
+			antflags="${antflags} -lib $(java-config -p ${build_compiler_deps})"
+		fi
+	fi
+
+	for arg in "${@}"; do
+		if [[ ${arg} = -lib ]]; then
+			if is-java-strict; then
+				eerror "You should not use the -lib argument to eant because it will fail"
+				eerror "with JAVA_PKG_STRICT. Please use for example java-pkg_jar-from"
+				eerror "or ant properties to make dependencies available."
+				eerror "For ant tasks use WANT_ANT_TASKS or ANT_TASKS from."
+				eerror "split ant (>=dev-java/ant-core-1.7)."
+				die "eant -lib is deprecated/forbidden"
+			else
+				echo "eant -lib is deprecated. Turn JAVA_PKG_STRICT on for"
+				echo "more info."
+			fi
+		fi
+	done
+
+	# parse WANT_ANT_TASKS for atoms
+	local want_ant_tasks
+	for i in ${WANT_ANT_TASKS}; do
+		if [[ ${i} = */*:* ]]; then
+			i=${i#*/}
+			i=${i%:0}
+			want_ant_tasks+="${i/:/-} "
+		else
+			want_ant_tasks+="${i} "
+		fi
+	done
+	# default ANT_TASKS to WANT_ANT_TASKS, if ANT_TASKS is not set explicitly
+	ANT_TASKS="${ANT_TASKS:-${want_ant_tasks% }}"
+
+	# override ANT_TASKS with JAVA_PKG_FORCE_ANT_TASKS if it's set
+	ANT_TASKS="${JAVA_PKG_FORCE_ANT_TASKS:-${ANT_TASKS}}"
+
+	# if ant-tasks is not set by ebuild or forced, use none
+	ANT_TASKS="${ANT_TASKS:-none}"
+
+	# at this point, ANT_TASKS should be "all", "none" or explicit list
+	if [[ "${ANT_TASKS}" == "all" ]]; then
+		einfo "Using all available ANT_TASKS"
+	elif [[ "${ANT_TASKS}" == "none" ]]; then
+		einfo "Disabling all optional ANT_TASKS"
+	else
+		einfo "Using following ANT_TASKS: ${ANT_TASKS}"
+	fi
+
+	export ANT_TASKS
+
+	[[ -n ${JAVA_PKG_DEBUG} ]] && antflags="${antflags} --execdebug -debug"
+	[[ -n ${PORTAGE_QUIET} ]] && antflags="${antflags} -q"
+
+	local gcp="${EANT_GENTOO_CLASSPATH}"
+	local getjarsarg=""
+
+	if [[ ${EBUILD_PHASE} = "test" ]]; then
+		antflags="${antflags} -DJunit.present=true"
+		getjarsarg="--with-dependencies"
+
+		local re="\bant-junit4?([-:]\S+)?\b"
+		[[ ${ANT_TASKS} =~ ${re} ]] && gcp+=" ${BASH_REMATCH[0]}"
+	else
+		antflags="${antflags} -Dmaven.test.skip=true"
+	fi
+
+	local cp
+
+	for atom in ${gcp}; do
+		cp+=":$(java-pkg_getjars ${getjarsarg} ${atom})"
+	done
+
+	[[ ${EANT_NEEDS_TOOLS} ]] && cp+=":$(java-config --tools)"
+	[[ ${EANT_GENTOO_CLASSPATH_EXTRA} ]] && cp+=":${EANT_GENTOO_CLASSPATH_EXTRA}"
+
+	if [[ ${cp#:} ]]; then
+		# It seems ant does not like single quotes around ${cp}
+		antflags="${antflags} -Dgentoo.classpath=\"${cp#:}\""
+	fi
+
+	[[ -n ${JAVA_PKG_DEBUG} ]] && echo ant ${antflags} "${@}"
+	debug-print "Calling ant (GENTOO_VM: ${GENTOO_VM}): ${antflags} ${@}"
+	ant ${antflags} "${@}" || die "eant failed"
+}
+
+# @FUNCTION: ejavac
+# @USAGE: <javac_arguments>
+# @DESCRIPTION:
+# Javac wrapper function. Will use the appropriate compiler, based on
+# /etc/java-config/compilers.conf
+ejavac() {
+	debug-print-function ${FUNCNAME} $*
+
+	local compiler_executable
+	compiler_executable=$(java-pkg_get-javac)
+
+	local javac_args
+	javac_args="$(java-pkg_javac-args)"
+
+	if [[ -n ${JAVA_PKG_DEBUG} ]]; then
+		einfo "Verbose logging for \"${FUNCNAME}\" function"
+		einfo "Compiler executable: ${compiler_executable}"
+		einfo "Extra arguments: ${javac_args}"
+		einfo "Complete command:"
+		einfo "${compiler_executable} ${javac_args} ${@}"
+	fi
+
+	ebegin "Compiling"
+	${compiler_executable} ${javac_args} "${@}" || die "ejavac failed"
+}
+
+# @FUNCTION: ejavadoc
+# @USAGE: <javadoc_arguments>
+# @DESCRIPTION:
+# javadoc wrapper function. Will set some flags based on the VM version
+# due to strict javadoc rules in 1.8.
+ejavadoc() {
+	debug-print-function ${FUNCNAME} $*
+
+	local javadoc_args=""
+
+	if java-pkg_is-vm-version-ge "1.8" ; then
+		javadoc_args="-Xdoclint:none"
+	fi
+
+	if [[ -n ${JAVA_PKG_DEBUG} ]]; then
+		einfo "Verbose logging for \"${FUNCNAME}\" function"
+		einfo "Javadoc executable: javadoc"
+		einfo "Extra arguments: ${javadoc_args}"
+		einfo "Complete command:"
+		einfo "javadoc ${javadoc_args} ${@}"
+	fi
+
+	ebegin "Generating JavaDoc"
+	javadoc ${javadoc_args} "${@}" || die "ejavadoc failed"
+}
+
+# @FUNCTION: java-pkg_filter-compiler
+# @USAGE: <compiler(s)_to_filter>
+# @DESCRIPTION:
+# Used to prevent the use of some compilers. Should be used in src_compile.
+# Basically, it just appends onto JAVA_PKG_FILTER_COMPILER
+java-pkg_filter-compiler() {
+	JAVA_PKG_FILTER_COMPILER="${JAVA_PKG_FILTER_COMPILER} $@"
+}
+
+# @FUNCTION: java-pkg_force-compiler
+# @USAGE: <compiler(s)_to_force>
+# @DESCRIPTION:
+# Used to force the use of particular compilers. Should be used in src_compile.
+# A common use of this would be to force ecj-3.1 to be used on amd64, to avoid
+# OutOfMemoryErrors that may come up.
+java-pkg_force-compiler() {
+	JAVA_PKG_FORCE_COMPILER="$@"
+}
+
+# @FUNCTION: use_doc
+# @DESCRIPTION:
+#
+# Helper function for getting ant to build javadocs. If the user has USE=doc,
+# then 'javadoc' or the argument are returned. Otherwise, there is no return.
+#
+# The output of this should be passed to ant.
+# @CODE
+# Parameters:
+# $@ - Option value to return. Defaults to 'javadoc'
+#
+# Examples:
+# build javadocs by calling 'javadoc' target
+#	eant $(use_doc)
+#
+# build javadocs by calling 'apidoc' target
+#	eant $(use_doc apidoc)
+# @CODE
+# @RETURN string - Name of the target to create javadocs
+use_doc() {
+	use doc && echo ${@:-javadoc}
+}
+
+
+# @FUNCTION: java-pkg_init
+# @INTERNAL
+# @DESCRIPTION:
+# The purpose of this function, as the name might imply, is to initialize the
+# Java environment. It ensures that that there aren't any environment variables
+# that'll muss things up. It initializes some variables, which are used
+# internally. And most importantly, it'll switch the VM if necessary.
+#
+# This shouldn't be used directly. Instead, java-pkg and java-pkg-opt will
+# call it during each of the phases of the merge process.
+java-pkg_init() {
+	debug-print-function ${FUNCNAME} $*
+
+	# Don't set up build environment if installing from binary. #206024 #258423
+	[[ "${MERGE_TYPE}" == "binary" ]] && return
+	# Also try Portage's nonstandard EMERGE_FROM for old EAPIs, if it doesn't
+	# work nothing is lost.
+	has ${EAPI:-0} 0 1 2 3 && [[ "${EMERGE_FROM}" == "binary" ]] && return
+
+	unset JAVAC
+	unset JAVA_HOME
+
+	java-config --help >/dev/null || {
+		eerror ""
+		eerror "Can't run java-config --help"
+		eerror "Have you upgraded python recently but haven't"
+		eerror "run python-updater yet?"
+		die "Can't run java-config --help"
+	}
+
+	# People do all kinds of weird things.
+	# https://forums.gentoo.org/viewtopic-p-3943166.html
+	local silence="${SILENCE_JAVA_OPTIONS_WARNING}"
+	local accept="${I_WANT_GLOBAL_JAVA_OPTIONS}"
+	if [[ -n ${_JAVA_OPTIONS} && -z ${accept} && -z ${silence} ]]; then
+		ewarn "_JAVA_OPTIONS changes what java -version outputs at least for"
+		ewarn "sun-jdk vms and and as such break configure scripts that"
+		ewarn "use it (for example app-office/openoffice) so we filter it out."
+		ewarn "Use SILENCE_JAVA_OPTIONS_WARNING=true in the environment (use"
+		ewarn "make.conf for example) to silence this warning or"
+		ewarn "I_WANT_GLOBAL_JAVA_OPTIONS to not filter it."
+	fi
+
+	if [[ -z ${accept} ]]; then
+		# export _JAVA_OPTIONS= doesn't work because it will show up in java
+		# -version output
+		unset _JAVA_OPTIONS
+		# phase hooks make this run many times without this
+		I_WANT_GLOBAL_JAVA_OPTIONS="true"
+	fi
+
+	java-pkg_switch-vm
+	PATH=${JAVA_HOME}/bin:${PATH}
+
+	# TODO we will probably want to set JAVAC and JAVACFLAGS
+
+	# Do some QA checks
+	java-pkg_check-jikes
+
+	# Can't use unset here because Portage does not save the unset
+	# see https://bugs.gentoo.org/show_bug.cgi?id=189417#c11
+
+	# When users have crazy classpaths some packages can fail to compile.
+	# and everything should work with empty CLASSPATH.
+	# This also helps prevent unexpected dependencies on random things
+	# from the CLASSPATH.
+	export CLASSPATH=
+
+	# Unset external ANT_ stuff
+	export ANT_TASKS=
+	export ANT_OPTS=
+	export ANT_RESPECT_JAVA_HOME=
+}
+
+# @FUNCTION: java-pkg-init-compiler_
+# @INTERNAL
+# @DESCRIPTION:
+# This function attempts to figure out what compiler should be used. It does
+# this by reading the file at JAVA_PKG_COMPILERS_CONF, and checking the
+# COMPILERS variable defined there.
+# This can be overridden by a list in JAVA_PKG_FORCE_COMPILER
+#
+# It will go through the list of compilers, and verify that it supports the
+# target and source that are needed. If it is not suitable, then the next
+# compiler is checked. When JAVA_PKG_FORCE_COMPILER is defined, this checking
+# isn't done.
+#
+# Once the which compiler to use has been figured out, it is set to
+# GENTOO_COMPILER.
+#
+# If you hadn't guessed, JAVA_PKG_FORCE_COMPILER is for testing only.
+#
+# If the user doesn't defined anything in JAVA_PKG_COMPILERS_CONF, or no
+# suitable compiler was found there, then the default is to use javac provided
+# by the current VM.
+#
+#
+# @RETURN name of the compiler to use
+java-pkg_init-compiler_() {
+	debug-print-function ${FUNCNAME} $*
+
+	if [[ -n ${GENTOO_COMPILER} ]]; then
+		debug-print "GENTOO_COMPILER already set"
+		return
+	fi
+
+	local compilers;
+	if [[ -z ${JAVA_PKG_FORCE_COMPILER} ]]; then
+		compilers="$(source ${JAVA_PKG_COMPILERS_CONF} 1>/dev/null 2>&1; echo	${COMPILERS})"
+	else
+		compilers=${JAVA_PKG_FORCE_COMPILER}
+	fi
+
+	debug-print "Read \"${compilers}\" from ${JAVA_PKG_COMPILERS_CONF}"
+
+	# Figure out if we should announce what compiler we're using
+	local compiler
+	for compiler in ${compilers}; do
+		debug-print "Checking ${compiler}..."
+		# javac should always be alright
+		if [[ ${compiler} = "javac" ]]; then
+			debug-print "Found javac... breaking"
+			export GENTOO_COMPILER="javac"
+			break
+		fi
+
+		if has ${compiler} ${JAVA_PKG_FILTER_COMPILER}; then
+			if [[ -z ${JAVA_PKG_FORCE_COMPILER} ]]; then
+				einfo "Filtering ${compiler}" >&2
+				continue
+			fi
+		fi
+
+		# for non-javac, we need to make sure it supports the right target and
+		# source
+		local compiler_env="${JAVA_PKG_COMPILER_DIR}/${compiler}"
+		if [[ -f ${compiler_env} ]]; then
+			local desired_target="$(java-pkg_get-target)"
+			local desired_source="$(java-pkg_get-source)"
+
+
+			# Verify that the compiler supports target
+			local supported_target=$(source ${compiler_env} 1>/dev/null 2>&1; echo ${SUPPORTED_TARGET})
+			if ! has ${desired_target} ${supported_target}; then
+				ewarn "${compiler} does not support -target ${desired_target},	skipping"
+				continue
+			fi
+
+			# Verify that the compiler supports source
+			local supported_source=$(source ${compiler_env} 1>/dev/null 2>&1; echo ${SUPPORTED_SOURCE})
+			if ! has ${desired_source} ${supported_source}; then
+				ewarn "${compiler} does not support -source ${desired_source}, skipping"
+				continue
+			fi
+
+			# if you get here, then the compiler should be good to go
+			export GENTOO_COMPILER="${compiler}"
+			break
+		else
+			ewarn "Could not find configuration for ${compiler}, skipping"
+			ewarn "Perhaps it is not installed?"
+			continue
+		fi
+	done
+
+	# If it hasn't been defined already, default to javac
+	if [[ -z ${GENTOO_COMPILER} ]]; then
+		if [[ -n ${compilers} ]]; then
+			einfo "No suitable compiler found: defaulting to JDK default for compilation" >&2
+		else
+			# probably don't need to notify users about the default.
+			:;#einfo "Defaulting to javac for compilation" >&2
+		fi
+		if java-config -g GENTOO_COMPILER 2> /dev/null; then
+			export GENTOO_COMPILER=$(java-config -g GENTOO_COMPILER)
+		else
+			export GENTOO_COMPILER=javac
+		fi
+	else
+		einfo "Using ${GENTOO_COMPILER} for compilation" >&2
+	fi
+
+}
+
+# @FUNCTION: init_paths_
+# @INTERNAL
+# @DESCRIPTION:
+# Initializes some variables that will be used. These variables are mostly used
+# to determine where things will eventually get installed.
+java-pkg_init_paths_() {
+	debug-print-function ${FUNCNAME} $*
+
+	local pkg_name
+	if [[ "${SLOT%/*}" == "0" ]] ; then
+		JAVA_PKG_NAME="${PN}"
+	else
+		JAVA_PKG_NAME="${PN}-${SLOT%/*}"
+	fi
+
+	JAVA_PKG_SHAREPATH="/usr/share/${JAVA_PKG_NAME}"
+	JAVA_PKG_SOURCESPATH="${JAVA_PKG_SHAREPATH}/sources/"
+	JAVA_PKG_ENV="${ED}${JAVA_PKG_SHAREPATH}/package.env"
+	JAVA_PKG_VIRTUALS_PATH="/usr/share/java-config-2/virtuals"
+	JAVA_PKG_VIRTUAL_PROVIDER="${ED}${JAVA_PKG_VIRTUALS_PATH}/${JAVA_PKG_NAME}"
+
+	[[ -z "${JAVA_PKG_JARDEST}" ]] && JAVA_PKG_JARDEST="${JAVA_PKG_SHAREPATH}/lib"
+	[[ -z "${JAVA_PKG_LIBDEST}" ]] && JAVA_PKG_LIBDEST="/usr/$(get_libdir)/${JAVA_PKG_NAME}"
+	[[ -z "${JAVA_PKG_WARDEST}" ]] && JAVA_PKG_WARDEST="${JAVA_PKG_SHAREPATH}/webapps"
+
+	# TODO maybe only print once?
+	debug-print "JAVA_PKG_SHAREPATH: ${JAVA_PKG_SHAREPATH}"
+	debug-print "JAVA_PKG_ENV: ${JAVA_PKG_ENV}"
+	debug-print "JAVA_PKG_JARDEST: ${JAVA_PKG_JARDEST}"
+	debug-print "JAVA_PKG_LIBDEST: ${JAVA_PKG_LIBDEST}"
+	debug-print "JAVA_PKG_WARDEST: ${JAVA_PKG_WARDEST}"
+}
+
+# @FUNCTION: java-pkg_do_write_
+# @INTERNAL
+# @DESCRIPTION:
+# Writes the package.env out to disk.
+#
+# TODO change to do-write, to match everything else
+java-pkg_do_write_() {
+	debug-print-function ${FUNCNAME} $*
+	java-pkg_init_paths_
+	# Create directory for package.env
+	dodir "${JAVA_PKG_SHAREPATH}"
+
+	# Create package.env
+	(
+		echo "DESCRIPTION=\"${DESCRIPTION}\""
+		echo "GENERATION=\"2\""
+		echo "SLOT=\"${SLOT}\""
+		echo "CATEGORY=\"${CATEGORY}\""
+		echo "PVR=\"${PVR}\""
+
+		[[ -n "${JAVA_PKG_CLASSPATH}" ]] && echo "CLASSPATH=\"${JAVA_PKG_CLASSPATH}\""
+		[[ -n "${JAVA_PKG_LIBRARY}" ]] && echo "LIBRARY_PATH=\"${JAVA_PKG_LIBRARY}\""
+		[[ -n "${JAVA_PROVIDE}" ]] && echo "PROVIDES=\"${JAVA_PROVIDE}\""
+		[[ -f "${JAVA_PKG_DEPEND_FILE}" ]] \
+			&& echo "DEPEND=\"$(sort -u "${JAVA_PKG_DEPEND_FILE}" | tr '\n' ':')\""
+		[[ -f "${JAVA_PKG_OPTIONAL_DEPEND_FILE}" ]] \
+			&& echo "OPTIONAL_DEPEND=\"$(sort -u "${JAVA_PKG_OPTIONAL_DEPEND_FILE}" | tr '\n' ':')\""
+		echo "VM=\"$(echo ${RDEPEND} ${DEPEND} | sed -e 's/ /\n/g' | sed -n -e '/virtual\/\(jre\|jdk\)/ { p;q }')\"" # TODO cleanup !
+		[[ -f "${JAVA_PKG_BUILD_DEPEND_FILE}" ]] \
+			&& echo "BUILD_DEPEND=\"$(sort -u "${JAVA_PKG_BUILD_DEPEND_FILE}" | tr '\n' ':')\""
+	) > "${JAVA_PKG_ENV}"
+
+	# register target/source
+	local target="$(java-pkg_get-target)"
+	local source="$(java-pkg_get-source)"
+	[[ -n ${target} ]] && echo "TARGET=\"${target}\"" >> "${JAVA_PKG_ENV}"
+	[[ -n ${source} ]] && echo "SOURCE=\"${source}\"" >> "${JAVA_PKG_ENV}"
+
+	# register javadoc info
+	[[ -n ${JAVADOC_PATH} ]] && echo "JAVADOC_PATH=\"${JAVADOC_PATH}\"" \
+		>> ${JAVA_PKG_ENV}
+	# register source archives
+	[[ -n ${JAVA_SOURCES} ]] && echo "JAVA_SOURCES=\"${JAVA_SOURCES}\"" \
+		>> ${JAVA_PKG_ENV}
+
+	echo "MERGE_VM=\"${GENTOO_VM}\"" >> "${JAVA_PKG_ENV}"
+	[[ -n ${GENTOO_COMPILER} ]] && echo "MERGE_COMPILER=\"${GENTOO_COMPILER}\"" >> "${JAVA_PKG_ENV}"
+
+	# extra env variables
+	if [[ -n "${JAVA_PKG_EXTRA_ENV_VARS}" ]]; then
+		cat "${JAVA_PKG_EXTRA_ENV}" >> "${JAVA_PKG_ENV}" || die
+		# nested echo to remove leading/trailing spaces
+		echo "ENV_VARS=\"$(echo ${JAVA_PKG_EXTRA_ENV_VARS})\"" \
+			>> "${JAVA_PKG_ENV}" || die
+	fi
+
+	# Strip unnecessary leading and trailing colons
+	# TODO try to cleanup if possible
+	sed -e "s/=\":/=\"/" -e "s/:\"$/\"/" -i "${JAVA_PKG_ENV}" || die "Did you forget to call java_init ?"
+}
+
+# @FUNCTION: java-pkg_record-jar_
+# @INTERNAL
+# @DESCRIPTION:
+# Record an (optional) dependency to the package.env
+# @CODE
+# Parameters:
+# --optional - record dependency as optional
+# --build - record dependency as build_only
+# $1 - package to record
+# $2 - (optional) jar of package to record
+# @CODE
+JAVA_PKG_DEPEND_FILE="${T}/java-pkg-depend"
+JAVA_PKG_OPTIONAL_DEPEND_FILE="${T}/java-pkg-optional-depend"
+JAVA_PKG_BUILD_DEPEND_FILE="${T}/java-pkg-build-depend"
+
+java-pkg_record-jar_() {
+	debug-print-function ${FUNCNAME} $*
+
+	local depend_file="${JAVA_PKG_DEPEND_FILE}"
+	case "${1}" in
+		"--optional") depend_file="${JAVA_PKG_OPTIONAL_DEPEND_FILE}"; shift;;
+		"--build-only") depend_file="${JAVA_PKG_BUILD_DEPEND_FILE}"; shift;;
+	esac
+
+	local pkg=${1} jar=${2} append
+	if [[ -z "${jar}" ]]; then
+		append="${pkg}"
+	else
+		append="$(basename ${jar})@${pkg}"
+	fi
+
+	echo "${append}" >> "${depend_file}"
+}
+
+# @FUNCTION: java-pkg_append_
+# @INTERNAL
+# @DESCRIPTION:
+# Appends a value to a variable
+#
+# @CODE
+# Parameters:
+# $1 variable name to modify
+# $2 value to append
+#
+# Examples:
+#	java-pkg_append_ CLASSPATH foo.jar
+# @CODE
+java-pkg_append_() {
+	debug-print-function ${FUNCNAME} $*
+
+	local var="${1}" value="${2}"
+	if [[ -z "${!var}" ]] ; then
+		export ${var}="${value}"
+	else
+		local oldIFS=${IFS} cur haveit
+		IFS=':'
+		for cur in ${!var}; do
+			if [[ ${cur} == ${value} ]]; then
+				haveit="yes"
+				break
+			fi
+		done
+		[[ -z ${haveit} ]] && export ${var}="${!var}:${value}"
+		IFS=${oldIFS}
+	fi
+}
+
+# @FUNCTION: java-pkg_expand_dir_
+# @INTERNAL
+# @DESCRIPTION:
+# Gets the full path of the file/directory's parent.
+# @CODE
+# Parameters:
+# $1 - file/directory to find parent directory for
+# @CODE
+# @RETURN: path to $1's parent directory
+java-pkg_expand_dir_() {
+	pushd "$(dirname "${1}")" >/dev/null 2>&1 || die
+	pwd
+	popd >/dev/null 2>&1 || die
+}
+
+# @FUNCTION: java-pkg_func-exists
+# @INTERNAL
+# @DESCRIPTION:
+# Does the indicated function exist?
+# @RETURN: 0 - function is declared, 1 - function is undeclared
+java-pkg_func-exists() {
+	declare -F ${1} > /dev/null
+}
+
+# @FUNCTION: java-pkg_setup-vm
+# @INTERNAL
+# @DESCRIPTION:
+# Sets up the environment for a specific VM
+java-pkg_setup-vm() {
+	debug-print-function ${FUNCNAME} $*
+
+	local vendor="$(java-pkg_get-vm-vendor)"
+	if [[ "${vendor}" == "sun" ]] && java-pkg_is-vm-version-ge "1.5" ; then
+		addpredict "/dev/random"
+	elif [[ "${vendor}" == "ibm" ]]; then
+		addpredict "/proc/self/maps"
+		addpredict "/proc/cpuinfo"
+		addpredict "/proc/self/coredump_filter"
+	elif [[ "${vendor}" == "oracle" ]]; then
+		addpredict "/dev/random"
+		addpredict "/proc/self/coredump_filter"
+	elif [[ "${vendor}" == icedtea* ]] && java-pkg_is-vm-version-ge "1.7" ; then
+		addpredict "/dev/random"
+		addpredict "/proc/self/coredump_filter"
+	elif [[ "${vendor}" == "jrockit" ]]; then
+		addpredict "/proc/cpuinfo"
+	fi
+}
+
+# @FUNCTION: java-pkg_needs-vm
+# @INTERNAL
+# @DESCRIPTION:
+# Does the current package depend on virtual/jdk or does it set
+# JAVA_PKG_WANT_BUILD_VM?
+#
+# @RETURN: 0 - Package depends on virtual/jdk; 1 - Package does not depend on virtual/jdk
+java-pkg_needs-vm() {
+	debug-print-function ${FUNCNAME} $*
+
+	if [[ -n "$(echo ${JAVA_PKG_NV_DEPEND:-${DEPEND}} | sed -e '\:virtual/jdk:!d')" ]]; then
+		return 0
+	fi
+
+	[[ -n "${JAVA_PKG_WANT_BUILD_VM}" ]] && return 0
+
+	return 1
+}
+
+# @FUNCTION: java-pkg_get-current-vm
+# @INTERNAL
+# @RETURN - The current VM being used
+java-pkg_get-current-vm() {
+	java-config -f
+}
+
+# @FUNCTION: java-pkg_get-vm-vendor
+# @INTERNAL
+# @RETURN - The vendor of the current VM
+java-pkg_get-vm-vendor() {
+	debug-print-function ${FUNCNAME} $*
+
+	local vm="$(java-pkg_get-current-vm)"
+	vm="${vm/-*/}"
+	echo "${vm}"
+}
+
+# @FUNCTION: java-pkg_get-vm-version
+# @INTERNAL
+# @RETURN - The version of the current VM
+java-pkg_get-vm-version() {
+	debug-print-function ${FUNCNAME} $*
+
+	java-config -g PROVIDES_VERSION
+}
+
+# @FUNCTION: java-pkg_build-vm-from-handle
+# @INTERNAL
+# @DESCRIPTION:
+# Selects a build vm from a list of vm handles. First checks for the system-vm
+# beeing usable, then steps through the listed handles till a suitable vm is
+# found.
+#
+# @RETURN - VM handle of an available JDK
+java-pkg_build-vm-from-handle() {
+	debug-print-function ${FUNCNAME} "$*"
+
+	local vm
+	vm=$(java-pkg_get-current-vm 2>/dev/null)
+	if [[ $? -eq 0 ]]; then
+		if has ${vm} ${JAVA_PKG_WANT_BUILD_VM}; then
+			echo ${vm}
+			return 0
+		fi
+	fi
+
+	for vm in ${JAVA_PKG_WANT_BUILD_VM}; do
+		if java-config-2 --select-vm=${vm} 2>/dev/null; then
+			echo ${vm}
+			return 0
+		fi
+	done
+
+	eerror "${FUNCNAME}: No vm found for handles: ${JAVA_PKG_WANT_BUILD_VM}"
+	return 1
+}
+
+# @FUNCTION: java-pkg_switch-vm
+# @INTERNAL
+# @DESCRIPTION:
+# Switch VM if we're allowed to (controlled by JAVA_PKG_ALLOW_VM_CHANGE), and
+# verify that the current VM is sufficient.
+# Setup the environment for the VM being used.
+java-pkg_switch-vm() {
+	debug-print-function ${FUNCNAME} $*
+
+	if java-pkg_needs-vm; then
+		# Use the VM specified by JAVA_PKG_FORCE_VM
+		if [[ -n "${JAVA_PKG_FORCE_VM}" ]]; then
+			# If you're forcing the VM, I hope you know what your doing...
+			debug-print "JAVA_PKG_FORCE_VM used: ${JAVA_PKG_FORCE_VM}"
+			export GENTOO_VM="${JAVA_PKG_FORCE_VM}"
+		# if we're allowed to switch the vm...
+		elif [[ "${JAVA_PKG_ALLOW_VM_CHANGE}" == "yes" ]]; then
+			# if there is an explicit list of handles to choose from
+			if [[ -n "${JAVA_PKG_WANT_BUILD_VM}" ]]; then
+				debug-print "JAVA_PKG_WANT_BUILD_VM used: ${JAVA_PKG_WANT_BUILD_VM}"
+				GENTOO_VM=$(java-pkg_build-vm-from-handle)
+				if [[ $? != 0 ]]; then
+					eerror "${FUNCNAME}: No VM found for handles: ${JAVA_PKG_WANT_BUILD_VM}"
+					die "${FUNCNAME}: Failed to determine VM for building"
+				fi
+				# JAVA_PKG_WANT_SOURCE and JAVA_PKG_WANT_TARGET are required as
+				# they can't be deduced from handles.
+				if [[ -z "${JAVA_PKG_WANT_SOURCE}" ]]; then
+					eerror "JAVA_PKG_WANT_BUILD_VM specified but not JAVA_PKG_WANT_SOURCE"
+					die "Specify JAVA_PKG_WANT_SOURCE"
+				fi
+				if [[ -z "${JAVA_PKG_WANT_TARGET}" ]]; then
+					eerror "JAVA_PKG_WANT_BUILD_VM specified but not JAVA_PKG_WANT_TARGET"
+					die "Specify JAVA_PKG_WANT_TARGET"
+				fi
+			# otherwise determine a vm from dep string
+			else
+				debug-print "depend-java-query:  NV_DEPEND:	${JAVA_PKG_NV_DEPEND:-${DEPEND}}"
+				GENTOO_VM="$(depend-java-query --get-vm "${JAVA_PKG_NV_DEPEND:-${DEPEND}}")"
+				if [[ -z "${GENTOO_VM}" || "${GENTOO_VM}" == "None" ]]; then
+					eerror "Unable to determine VM for building from dependencies:"
+					echo "NV_DEPEND: ${JAVA_PKG_NV_DEPEND:-${DEPEND}}"
+					die "Failed to determine VM for building."
+				fi
+			fi
+			export GENTOO_VM
+		# otherwise just make sure the current VM is sufficient
+		else
+			java-pkg_ensure-vm-version-sufficient
+		fi
+		debug-print "Using: $(java-config -f)"
+
+		java-pkg_setup-vm
+
+		export JAVA=$(java-config --java)
+		export JAVAC=$(java-config --javac)
+		JAVACFLAGS="$(java-pkg_javac-args)"
+		[[ -n ${JAVACFLAGS_EXTRA} ]] && JAVACFLAGS="${JAVACFLAGS_EXTRA} ${JAVACFLAGS}"
+		export JAVACFLAGS
+
+		export JAVA_HOME="$(java-config -g JAVA_HOME)"
+		export JDK_HOME=${JAVA_HOME}
+
+		#TODO If you know a better solution let us know.
+		java-pkg_append_ LD_LIBRARY_PATH "$(java-config -g LDPATH)"
+
+		local tann="${T}/announced-vm"
+		# With the hooks we should only get here once from pkg_setup but better safe than sorry
+		# if people have for example modified eclasses some where
+		if [[ -n "${JAVA_PKG_DEBUG}" ]] || [[ ! -f "${tann}" ]] ; then
+			einfo "Using: $(java-config -f)"
+			[[ ! -f "${tann}" ]] && touch "${tann}"
+		fi
+
+	else
+		[[ -n "${JAVA_PKG_DEBUG}" ]] && ewarn "!!! This package inherits java-pkg but doesn't depend on a JDK. -bin or broken dependency!!!"
+	fi
+}
+
+# @FUNCTION: java-pkg_die
+# @INTERNAL
+# @DESCRIPTION:
+# Enhanced die for Java packages, which displays some information that may be
+# useful for debugging bugs on bugzilla.
+#register_die_hook java-pkg_die
+if ! has java-pkg_die ${EBUILD_DEATH_HOOKS}; then
+	EBUILD_DEATH_HOOKS="${EBUILD_DEATH_HOOKS} java-pkg_die"
+fi
+
+java-pkg_die() {
+	echo "!!! When you file a bug report, please include the following information:" >&2
+	echo "GENTOO_VM=${GENTOO_VM}  CLASSPATH=\"${CLASSPATH}\" JAVA_HOME=\"${JAVA_HOME}\"" >&2
+	echo "JAVACFLAGS=\"${JAVACFLAGS}\" COMPILER=\"${GENTOO_COMPILER}\"" >&2
+	echo "and of course, the output of emerge --info =${P}" >&2
+}
+
+
+# TODO document
+# List jars in the source directory, ${S}
+java-pkg_jar-list() {
+	if [[ -n "${JAVA_PKG_DEBUG}" ]]; then
+		einfo "Linked Jars"
+		find "${S}" -type l -name '*.jar' -print0 | xargs -0 -r -n 500 ls -ald | sed -e "s,${WORKDIR},\${WORKDIR},"
+		einfo "Jars"
+		find "${S}" -type f -name '*.jar' -print0 | xargs -0 -r -n 500 ls -ald | sed -e "s,${WORKDIR},\${WORKDIR},"
+		einfo "Classes"
+		find "${S}" -type f -name '*.class' -print0 | xargs -0 -r -n 500 ls -ald | sed -e "s,${WORKDIR},\${WORKDIR},"
+	fi
+}
+
+# @FUNCTION: java-pkg_verify-classes
+# @INTERNAL
+# @DESCRIPTION:
+# Verify that the classes were compiled for the right source / target. Dies if
+# not.
+# @CODE
+# $1 (optional) - the file to check, otherwise checks whole ${D}
+# @CODE
+java-pkg_verify-classes() {
+	#$(find ${D} -type f -name '*.jar' -o -name '*.class')
+
+	local version_verify="/usr/bin/class-version-verify.py"
+
+	if [[ ! -x "${version_verify}" ]]; then
+		version_verify="/usr/$(get_libdir)/javatoolkit/bin/class-version-verify.py"
+	fi
+
+	if [[ ! -x "${version_verify}" ]]; then
+		ewarn "Unable to perform class version checks as"
+		ewarn "class-version-verify.py is unavailable"
+		ewarn "Please install dev-java/javatoolkit."
+		return
+	fi
+
+	local target=$(java-pkg_get-target)
+	local result
+	local log="${T}/class-version-verify.log"
+	if [[ -n "${1}" ]]; then
+		${version_verify} -v -t ${target} "${1}" > "${log}"
+		result=$?
+	else
+		ebegin "Verifying java class versions (target: ${target})"
+		${version_verify} -v -t ${target} -r "${D}" > "${log}"
+		result=$?
+		eend ${result}
+	fi
+	[[ -n ${JAVA_PKG_DEBUG} ]] && cat "${log}"
+	if [[ ${result} != 0 ]]; then
+		eerror "Incorrect bytecode version found"
+		[[ -n "${1}" ]] && eerror "in file: ${1}"
+		eerror "See ${log} for more details."
+		die "Incorrect bytecode found"
+	fi
+}
+
+# @FUNCTION: java-pkg_ensure-dep
+# @INTERNAL
+# @DESCRIPTION:
+# Check that a package being used in jarfrom, getjars and getjar is contained
+# within DEPEND or RDEPEND with the correct SLOT. See this mail for details:
+# https://archives.gentoo.org/gentoo-dev/message/dcb644f89520f4bbb61cc7bbe45fdf6e
+# @CODE
+# Parameters:
+# $1 - empty - check both vars; "runtime" or "build" - check only
+#	RDEPEND, resp. DEPEND
+# $2 - Package name and slot.
+# @CODE
+java-pkg_ensure-dep() {
+	debug-print-function ${FUNCNAME} $*
+
+	local limit_to="${1}"
+	local target_pkg="${2}"
+	local dev_error=""
+
+	# Transform into a regular expression to look for a matching package
+	# and SLOT. SLOTs don't have to be numeric so foo-bar could either
+	# mean foo-bar:0 or foo:bar. So you want to get your head around the
+	# line below?
+	#
+	# * The target package first has any dots escaped, e.g. foo-1.2
+	#   becomes foo-1\.2.
+	#
+	# * sed then looks at the component following the last - or :
+	#   character, or the whole string if there is no - or :
+	#   character. It uses this to build a new regexp with two
+	#   significant branches.
+	#
+	# * The first checks for the whole target package string, optionally
+	#   followed by a version number, and then :0.
+	#
+	# * The second checks for the first part of the target package
+	#   string, optionally followed by a version number, followed by the
+	#   aforementioned component, treating that as a SLOT.
+	#
+	local stripped_pkg=/$(sed -r 's/[-:]?([^-:]+)$/(\0(-[^:]+)?:0|(-[^:]+)?:\1)/' <<< "${target_pkg//./\\.}")\\b
+
+	debug-print "Matching against: ${stripped_pkg}"
+
+	# Uncomment the lines below once we've dealt with more of these
+	# otherwise we'll be tempted to turn JAVA_PKG_STRICT off while
+	# getting hit with a wave of bug reports. :(
+
+	if [[ ${limit_to} != runtime && ! ( "${DEPEND}" =~ $stripped_pkg ) ]]; then
+		dev_error="The ebuild is attempting to use ${target_pkg}, which is not "
+		dev_error+="declared with a SLOT in DEPEND."
+#		if is-java-strict; then
+#			die "${dev_error}"
+#		else
+			eqawarn "java-pkg_ensure-dep: ${dev_error}"
+#			eerror "Because you have ${target_pkg} installed,"
+#			eerror "the package will build without problems, but please"
+#			eerror "report this to https://bugs.gentoo.org."
+#		fi
+	elif [[ ${limit_to} != build && ! ( "${RDEPEND}${PDEPEND}" =~ ${stripped_pkg} ) ]]; then
+		dev_error="The ebuild is attempting to use ${target_pkg}, which is not "
+		dev_error+="declared with a SLOT in [RP]DEPEND and --build-only wasn't given."
+#		if is-java-strict; then
+#			die "${dev_error}"
+#		else
+			eqawarn "java-pkg_ensure-dep: ${dev_error}"
+#			eerror "The package will build without problems, but may fail to run"
+#			eerror "if you don't have ${target_pkg} installed,"
+#			eerror "so please report this to https://bugs.gentoo.org."
+#		fi
+	fi
+}
+
+java-pkg_check-phase() {
+	local phase=${1}
+	local funcname=${FUNCNAME[1]}
+	if [[ ${EBUILD_PHASE} != ${phase} ]]; then
+		local msg="${funcname} used outside of src_${phase}"
+		java-pkg_announce-qa-violation "${msg}"
+	fi
+}
+
+java-pkg_check-versioned-jar() {
+	local jar=${1}
+
+	if [[ ${jar} =~ ${PV} ]]; then
+		java-pkg_announce-qa-violation "installing versioned jar '${jar}'"
+	fi
+}
+
+java-pkg_check-jikes() {
+	if has jikes ${IUSE}; then
+		java-pkg_announce-qa-violation "deprecated USE flag 'jikes' in IUSE"
+	fi
+}
+
+java-pkg_announce-qa-violation() {
+	local nodie
+	if [[ ${1} == "--nodie" ]]; then
+		nodie="true"
+		shift
+	fi
+	echo "Java QA Notice: $@" >&2
+	increment-qa-violations
+	[[ -z "${nodie}" ]] && is-java-strict && die "${@}"
+}
+
+increment-qa-violations() {
+	let "JAVA_PKG_QA_VIOLATIONS+=1"
+	export JAVA_PKG_QA_VIOLATIONS
+}
+
+is-java-strict() {
+	[[ -n ${JAVA_PKG_STRICT} ]]
+	return $?
+}
+
+# @FUNCTION: java-pkg_clean
+# @DESCRIPTION:
+# Java package cleaner function. This will remove all *.class and *.jar
+# files, removing any bundled dependencies.
+java-pkg_clean() {
+	if [[ -z "${JAVA_PKG_NO_CLEAN}" ]]; then
+		find "${@}" '(' -name '*.class' -o -name '*.jar' ')' -type f -delete -print || die
+	fi
+}
+
+# @FUNCTION: java-pkg_gen-cp
+# @INTERNAL
+# @DESCRIPTION:
+# Java package generate classpath will create a classpath based on
+# special variable CP_DEPEND in the ebuild.
+#
+# @CODE
+# Parameters:
+# $1 - classpath variable either EANT_GENTOO_CLASSPATH or JAVA_GENTOO_CLASSPATH
+# @CODE
+java-pkg_gen-cp() {
+	debug-print-function ${FUNCNAME} "${@}"
+
+	local atom
+	for atom in ${CP_DEPEND}; do
+		if [[ ${atom} =~ /(([[:alnum:]+_-]+)-[0-9]+(\.[0-9]+)*[a-z]?(_[[:alnum:]]+)?(-r[0-9]*)?|[[:alnum:]+_-]+):([[:alnum:]+_.-]+) ]]; then
+			atom=${BASH_REMATCH[2]:-${BASH_REMATCH[1]}}
+			[[ ${BASH_REMATCH[6]} != 0 ]] && atom+=-${BASH_REMATCH[6]}
+			local regex="(^|\s|,)${atom}($|\s|,)"
+			[[ ${!1} =~ ${regex} ]] || declare -g ${1}+=${!1:+,}${atom}
+		else
+			die "Invalid CP_DEPEND atom ${atom}, ensure a SLOT is included"
+		fi
+	done
+}