diff options
Diffstat (limited to 'dev-java/java-dep-check/files/Main-0.3.java')
-rw-r--r-- | dev-java/java-dep-check/files/Main-0.3.java | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/dev-java/java-dep-check/files/Main-0.3.java b/dev-java/java-dep-check/files/Main-0.3.java deleted file mode 100644 index e1f02a024eef..000000000000 --- a/dev-java/java-dep-check/files/Main-0.3.java +++ /dev/null @@ -1,335 +0,0 @@ -/* - * Main.java The main application class. - * - * Created on May 1, 2007, 6:32 PM - * - * Copyright (C) 2007,2008 Petteri Räty <betelgeuse@gentoo.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ -package javadepchecker; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.util.ArrayList; -import java.util.Collection; -import java.util.Enumeration; -import java.util.HashSet; -import java.util.Iterator; -import java.util.Set; -import java.util.jar.JarEntry; -import java.util.jar.JarFile; -import java.util.logging.Level; -import java.util.logging.Logger; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -import org.apache.commons.cli.CommandLine; -import org.apache.commons.cli.CommandLineParser; -import org.apache.commons.cli.HelpFormatter; -import org.apache.commons.cli.Options; -import org.apache.commons.cli.ParseException; -import org.apache.commons.cli.PosixParser; -import org.objectweb.asm.AnnotationVisitor; -import org.objectweb.asm.ClassReader; -import org.objectweb.asm.FieldVisitor; -import org.objectweb.asm.Label; -import org.objectweb.asm.MethodVisitor; -import org.objectweb.asm.Type; -import org.objectweb.asm.commons.EmptyVisitor; - -/** - * - * @author betelgeuse - * @author serkan - */ -public final class Main extends EmptyVisitor { - - static private String image = ""; - private Set<String> deps = new HashSet<String>(); - private Set<String> current = new HashSet<String>(); - - /** Creates a new instance of Main */ - public Main() { - } - - private static Collection<String> getPackageJars(String pkg) { - ArrayList<String> jars = new ArrayList<String>(); - try { - Process p = Runtime.getRuntime().exec("java-config -p " + pkg); - p.waitFor(); - BufferedReader in; - in = new BufferedReader(new InputStreamReader(p.getInputStream())); - String output = in.readLine(); - if (output!=null/* package somehow missing*/ && !output.trim().equals("")) { - for (String jar : output.split(":")) { - jars.add(jar); - } - } - } catch (InterruptedException ex) { - Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex); - } catch (IOException ex) { - Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex); - } - return jars; - } - - public void processJar(JarFile jar) throws IOException { - for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements();) { - JarEntry entry = e.nextElement(); - String name = entry.getName(); - if (!entry.isDirectory() && name.endsWith(".class")) { - this.current.add(name); - InputStream stream = jar.getInputStream(entry); - new ClassReader(stream).accept(this, 0); - } - } - } - - private static boolean depNeeded(String pkg, Collection<String> deps) throws IOException { - Collection<String> jars = getPackageJars(pkg); - // We have a virtual with VM provider here - if (jars.size() == 0) { - return true; - } - for (String jarName : jars) { - JarFile jar = new JarFile(jarName); - for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements();) { - String name = e.nextElement().getName(); - if (deps.contains(name)) { - return true; - } - } - } - return false; - } - - private static boolean depsFound(Collection<String> pkgs, Collection<String> deps) throws IOException { - boolean found = true; - Collection<String> jars = new ArrayList<String>(); - String[] bootClassPathJars = System.getProperty("sun.boot.class.path").split(":"); - // Do we need "java-config -r" here? - for (String jar : bootClassPathJars) { - File jarFile = new File(jar); - if (jarFile.exists()) { - jars.add(jar); - } - } - for (Iterator<String> pkg = pkgs.iterator(); pkg.hasNext();) { - jars.addAll(getPackageJars(pkg.next())); - } - - if (jars.size() == 0) { - return false; - } - ArrayList<String> jarClasses = new ArrayList<String>(); - for (String jarName : jars) { - JarFile jar = new JarFile(jarName); - for (Enumeration<JarEntry> e = jar.entries(); e.hasMoreElements();) { - jarClasses.add(e.nextElement().getName()); - } - } - for (String dep : deps) { - if (!jarClasses.contains(dep)) { - if (found) { - System.out.println("Class files not found via DEPEND in package.env"); - } - System.out.println("\t" + dep); - found = false; - } - } - return found; - } - - private static boolean checkPkg(File env) { - boolean needed = true; - boolean found = true; - HashSet<String> pkgs = new HashSet<String>(); - Collection<String> deps = null; - - BufferedReader in = null; - try { - Pattern dep_re = Pattern.compile("^DEPEND=\"([^\"]*)\"$"); - Pattern cp_re = Pattern.compile("^CLASSPATH=\"([^\"]*)\"$"); - - String line; - in = new BufferedReader(new FileReader(env)); - while ((line = in.readLine()) != null) { - Matcher m = dep_re.matcher(line); - if (m.matches()) { - String atoms = m.group(1); - for (String atom : atoms.split(":")) { - String pkg = atom; - if (atom.contains("@")) { - pkg = atom.split("@")[1]; - } - pkgs.add(pkg); - } - continue; - } - m = cp_re.matcher(line); - if (m.matches()) { - Main classParser = new Main(); - for (String jar : m.group(1).split(":")) { - if (jar.endsWith(".jar")) { - classParser.processJar(new JarFile(image + jar)); - } - } - deps = classParser.getDeps(); - } - } - - for (String pkg : pkgs) { - if (!depNeeded(pkg, deps)) { - if (needed) { - System.out.println("Possibly unneeded dependencies found"); - } - System.out.println("\t" + pkg); - needed = false; - } - } - found = depsFound(pkgs, deps); - - } catch (IOException ex) { - Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex); - } finally { - try { - in.close(); - } catch (IOException ex) { - Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex); - } - } - return needed && found; - } - - /** - * @param args the command line arguments - */ - public static void main(String[] args) throws IOException { - int exit = 0; - try { - CommandLineParser parser = new PosixParser(); - Options options = new Options(); - options.addOption("h", "help", false, "print help"); - options.addOption("i", "image", true, "image directory"); - options.addOption("v", "verbose", false, "print verbose output"); - CommandLine line = parser.parse(options, args); - String[] files = line.getArgs(); - if (line.hasOption("h") || files.length == 0) { - HelpFormatter h = new HelpFormatter(); - h.printHelp("java-dep-check [-i <image>] <package.env>+", options); - } else { - image = line.getOptionValue("i", ""); - - for (String arg : files) { - if (line.hasOption('v')) { - System.out.println("Checking " + arg); - } - if (!checkPkg(new File(arg))) { - exit = 1; - } - } - } - } catch (ParseException ex) { - Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex); - } - System.exit(exit); - } - - private void addDep(String dep) { - deps.add(dep + ".class"); - } - - private void addDep(Type dep) { - if (dep.getSort() == Type.ARRAY) { - addDep(dep.getElementType()); - } - if (dep.getSort() == Type.OBJECT) { - addDep(dep.getInternalName()); - } - } - - private Collection<String> getDeps() { - ArrayList<String> result = new ArrayList<String>(); - for (String s : deps) { - if (!current.contains(s)) { - result.add(s); - } - } - return result; - } - - @Override - public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) { - if(superName != null) { - addDep(superName); - } - for (String iface : interfaces) { - addDep(iface); - } - } - - @Override - public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) { - addDep(Type.getType(desc)); - return null; - } - - @Override - public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) { - for (Type param : Type.getArgumentTypes(desc)) { - addDep(param); - } - - if (exceptions != null) { - for (String exception : exceptions) { - addDep(exception); - } - } - addDep(Type.getReturnType(desc)); - return new EmptyVisitor() { - @Override - public void visitLocalVariable(String name, String desc, String signature, Label start, Label end, int index) { - addDep(Type.getType(desc)); - } - - @Override - public void visitFieldInsn(int opcode, String owner, String name, String desc) { - addDep(Type.getObjectType(owner)); - addDep(Type.getType(desc)); - } - - @Override - public void visitMethodInsn(int opcode, String owner, String name, String desc) { - addDep(Type.getObjectType(owner)); - } - - @Override - public AnnotationVisitor visitParameterAnnotation(int parameter, String desc, boolean visible) { - return Main.this.visitAnnotation(desc, visible); - } - }; - } - - @Override - public AnnotationVisitor visitAnnotation(String desc, boolean visible) { - addDep(Type.getType(desc)); - return null; - } -} |