| /* |
| * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.tools.jcore; |
| |
| import java.io.*; |
| import java.lang.reflect.Constructor; |
| import java.util.jar.JarOutputStream; |
| import java.util.jar.JarEntry; |
| import java.util.jar.Manifest; |
| import sun.jvm.hotspot.memory.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.tools.*; |
| |
| public class ClassDump extends Tool { |
| private ClassFilter classFilter; |
| private String outputDirectory; |
| private JarOutputStream jarStream; |
| private String pkgList; |
| |
| public ClassDump() { |
| super(); |
| } |
| |
| public ClassDump(JVMDebugger d, String pkgList) { |
| super(d); |
| this.pkgList = pkgList; |
| } |
| |
| public void setClassFilter(ClassFilter cf) { |
| classFilter = cf; |
| } |
| |
| public void setOutputDirectory(String od) { |
| outputDirectory = od; |
| if (jarStream != null) { |
| try { |
| jarStream.close(); |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| } |
| jarStream = null; |
| } |
| |
| public void setJarOutput(String jarFileName) throws IOException { |
| jarStream = new JarOutputStream(new FileOutputStream(jarFileName), new Manifest()); |
| outputDirectory = null; |
| } |
| |
| public void run() { |
| // Ready to go with the database... |
| try { |
| if (classFilter == null) { |
| // If not already set, the name of the filter comes from a System property. |
| // If we have a pkgList, pass it, otherwise let the filter read |
| // its own System property for the list of classes. |
| String filterClassName = System.getProperty("sun.jvm.hotspot.tools.jcore.filter", |
| "sun.jvm.hotspot.tools.jcore.PackageNameFilter"); |
| try { |
| Class filterClass = Class.forName(filterClassName); |
| if (pkgList == null) { |
| classFilter = (ClassFilter) filterClass.newInstance(); |
| } else { |
| Constructor con = filterClass.getConstructor(String.class); |
| classFilter = (ClassFilter) con.newInstance(pkgList); |
| } |
| } catch(Exception exp) { |
| System.err.println("Warning: Can not create class filter!"); |
| } |
| } |
| |
| // outputDirectory and jarStream are alternatives: setting one closes the other. |
| // If neither is set, use outputDirectory from the System property: |
| if (outputDirectory == null && jarStream == null) { |
| String dirName = System.getProperty("sun.jvm.hotspot.tools.jcore.outputDir", "."); |
| setOutputDirectory(dirName); |
| } |
| |
| // walk through the system dictionary |
| SystemDictionary dict = VM.getVM().getSystemDictionary(); |
| dict.classesDo(new SystemDictionary.ClassVisitor() { |
| public void visit(Klass k) { |
| if (k instanceof InstanceKlass) { |
| try { |
| dumpKlass((InstanceKlass) k); |
| } catch (Exception e) { |
| System.out.println(k.getName().asString()); |
| e.printStackTrace(); |
| } |
| } |
| } |
| }); |
| } |
| catch (AddressException e) { |
| System.err.println("Error accessing address 0x" |
| + Long.toHexString(e.getAddress())); |
| e.printStackTrace(); |
| } |
| if (jarStream != null) { |
| try { |
| jarStream.close(); |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| jarStream = null; |
| } |
| } |
| |
| public String getName() { |
| return "jcore"; |
| } |
| |
| private void dumpKlass(InstanceKlass kls) { |
| if (classFilter != null && ! classFilter.canInclude(kls) ) { |
| return; |
| } |
| |
| String klassName = kls.getName().asString(); |
| klassName = klassName.replace('/', File.separatorChar); |
| try { |
| OutputStream os = null; |
| if (jarStream != null) { |
| jarStream.putNextEntry(new JarEntry(klassName + ".class")); |
| os = jarStream; |
| } else { |
| int index = klassName.lastIndexOf(File.separatorChar); |
| File dir = null; |
| if (index != -1) { |
| String dirName = klassName.substring(0, index); |
| dir = new File(outputDirectory, dirName); |
| } else { |
| dir = new File(outputDirectory); |
| } |
| |
| dir.mkdirs(); |
| File f = new File(dir, klassName.substring(index + 1) + ".class"); |
| f.createNewFile(); |
| os = new BufferedOutputStream(new FileOutputStream(f)); |
| } |
| try { |
| ClassWriter cw = new ClassWriter(kls, os); |
| cw.write(); |
| } finally { |
| if (os != jarStream) { |
| os.close(); |
| } |
| } |
| } catch(IOException exp) { |
| exp.printStackTrace(); |
| } |
| } |
| |
| public static void main(String[] args) { |
| |
| ClassDump cd = new ClassDump(); |
| cd.execute(args); |
| } |
| } |