agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassDump.java
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agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassDump.java

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   1 /*
   2  * Copyright (c) 2002, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.tools.jcore;
  26 
  27 import java.io.*;



  28 import sun.jvm.hotspot.memory.*;
  29 import sun.jvm.hotspot.oops.*;
  30 import sun.jvm.hotspot.debugger.*;
  31 import sun.jvm.hotspot.runtime.*;
  32 import sun.jvm.hotspot.tools.*;
  33 
  34 public class ClassDump extends Tool {
  35     private ClassFilter classFilter;
  36     private String      outputDirectory;

  37 
  38     public void run() {
  39         // Ready to go with the database...
  40         try {
  41 
  42             // load class filters
  43 
  44             String filterClassName = System.getProperty("sun.jvm.hotspot.tools.jcore.filter");
  45             if (filterClassName != null) {
  46                 try {
  47                     Class filterClass = Class.forName(filterClassName);
  48                     classFilter = (ClassFilter) filterClass.newInstance();
  49                 } catch(Exception exp) {
  50                     System.err.println("Warning: Can not create class filter!");
  51                 }
  52             }


  53 
  54             outputDirectory = System.getProperty("sun.jvm.hotspot.tools.jcore.outputDir");
  55             if (outputDirectory == null)
  56                 outputDirectory = ".";

  57 




  58             // walk through the system dictionary
  59             SystemDictionary dict = VM.getVM().getSystemDictionary();
  60             dict.classesDo(new SystemDictionary.ClassVisitor() {
  61                     public void visit(Klass k) {
  62                         if (k instanceof InstanceKlass) {
  63                             try {
  64                                 dumpKlass((InstanceKlass) k);
  65                             } catch (Exception e) {
  66                                 System.out.println(k.getName().asString());
  67                                 e.printStackTrace();
  68                             }
  69                         }
  70                     }
  71                 });
  72         }
  73         catch (AddressException e) {
  74             System.err.println("Error accessing address 0x"
  75                                + Long.toHexString(e.getAddress()));
  76             e.printStackTrace();
  77         }





  78     }



  79 
  80     public String getName() {
  81         return "jcore";
  82     }
  83 
  84     private void dumpKlass(InstanceKlass kls) {
  85         if (classFilter != null && ! classFilter.canInclude(kls) ) {
  86             return;
  87         }
  88 
  89         String klassName = kls.getName().asString();
  90         klassName = klassName.replace('/', File.separatorChar);






  91         int index = klassName.lastIndexOf(File.separatorChar);
  92         File dir = null;
  93         if (index != -1) {
  94             String dirName = klassName.substring(0, index);
  95             dir =  new File(outputDirectory,  dirName);
  96         } else {
  97             dir = new File(outputDirectory);
  98         }
  99 
 100         dir.mkdirs();
 101         File f = new File(dir, klassName.substring(klassName.lastIndexOf(File.separatorChar) + 1)
 102                           + ".class");
 103         try {
 104             f.createNewFile();
 105             OutputStream os = new BufferedOutputStream(new FileOutputStream(f));

 106             try {
 107                 ClassWriter cw = new ClassWriter(kls, os);
 108                 cw.write();
 109             } finally {

 110                 os.close();
 111             }

 112         } catch(IOException exp) {
 113             exp.printStackTrace();
 114         }
 115     }
 116 
 117     public static void main(String[] args) {

















 118         ClassDump cd = new ClassDump();


 119         cd.start(args);
 120         cd.stop();
 121     }
 122 }
   1 /*
   2  * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.tools.jcore;
  26 
  27 import java.io.*;
  28 import java.util.jar.JarOutputStream;
  29 import java.util.jar.JarEntry;
  30 import java.util.jar.Manifest;
  31 import sun.jvm.hotspot.memory.*;
  32 import sun.jvm.hotspot.oops.*;
  33 import sun.jvm.hotspot.debugger.*;
  34 import sun.jvm.hotspot.runtime.*;
  35 import sun.jvm.hotspot.tools.*;
  36 
  37 public class ClassDump extends Tool {
  38     private ClassFilter classFilter;
  39     private String      outputDirectory;
  40     private JarOutputStream jarStream;
  41 
  42     public void setClassFilter(ClassFilter cf) {
  43         classFilter = cf;
  44     }
  45 
  46     public void setOutputDirectory(String od) {
  47         outputDirectory = od;
  48         if (jarStream != null) {

  49             try {
  50                 jarStream.close();
  51             } catch (IOException ioe) {
  52                 ioe.printStackTrace();

  53             }
  54         }
  55         jarStream = null;
  56     }
  57 
  58     public void setJarOutput(String jarFileName) throws IOException {
  59         jarStream = new JarOutputStream(new FileOutputStream(jarFileName), new Manifest());
  60         outputDirectory = null;
  61     }
  62 
  63     public void run() {
  64         // Ready to go with the database...
  65         try {
  66 
  67             // walk through the system dictionary
  68             SystemDictionary dict = VM.getVM().getSystemDictionary();
  69             dict.classesDo(new SystemDictionary.ClassVisitor() {
  70                     public void visit(Klass k) {
  71                         if (k instanceof InstanceKlass) {
  72                             try {
  73                                 dumpKlass((InstanceKlass) k);
  74                             } catch (Exception e) {
  75                                 System.out.println(k.getName().asString());
  76                                 e.printStackTrace();
  77                             }
  78                         }
  79                     }
  80                 });
  81         }
  82         catch (AddressException e) {
  83             System.err.println("Error accessing address 0x"
  84                                + Long.toHexString(e.getAddress()));
  85             e.printStackTrace();
  86         }
  87         if (jarStream != null) {
  88             try {
  89                 jarStream.close();
  90             } catch (IOException ioe) {
  91                 ioe.printStackTrace();
  92             }
  93             jarStream = null;
  94         }
  95     }
  96 
  97     public String getName() {
  98         return "jcore";
  99     }
 100 
 101     private void dumpKlass(InstanceKlass kls) {
 102         if (classFilter != null && ! classFilter.canInclude(kls) ) {
 103             return;
 104         }
 105 
 106         String klassName = kls.getName().asString();
 107         klassName = klassName.replace('/', File.separatorChar);
 108         try {
 109             OutputStream os = null;
 110             if (jarStream != null) {
 111                 jarStream.putNextEntry(new JarEntry(klassName + ".class"));
 112                 os = jarStream;
 113             } else {
 114                 int index = klassName.lastIndexOf(File.separatorChar);
 115                 File dir = null;
 116                 if (index != -1) {
 117                     String dirName = klassName.substring(0, index);
 118                     dir = new File(outputDirectory,  dirName);
 119                 } else {
 120                     dir = new File(outputDirectory);
 121                 }
 122 
 123                 dir.mkdirs();
 124                 File f = new File(dir, klassName.substring(index + 1) + ".class");


 125                 f.createNewFile();
 126                 os = new BufferedOutputStream(new FileOutputStream(f));
 127             }
 128             try {
 129                 ClassWriter cw = new ClassWriter(kls, os);
 130                 cw.write();
 131             } finally {
 132                 if (os != jarStream) {
 133                     os.close();
 134                 }
 135             }
 136         } catch(IOException exp) {
 137             exp.printStackTrace();
 138         }
 139     }
 140 
 141     public static void main(String[] args) {
 142         // load class filters
 143         ClassFilter classFilter = null;
 144         String filterClassName = System.getProperty("sun.jvm.hotspot.tools.jcore.filter");
 145         if (filterClassName != null) {
 146             try {
 147                 Class filterClass = Class.forName(filterClassName);
 148                 classFilter = (ClassFilter) filterClass.newInstance();
 149             } catch(Exception exp) {
 150                 System.err.println("Warning: Can not create class filter!");
 151             }
 152         }
 153 
 154         String outputDirectory = System.getProperty("sun.jvm.hotspot.tools.jcore.outputDir");
 155         if (outputDirectory == null)
 156             outputDirectory = ".";
 157 
 158 
 159         ClassDump cd = new ClassDump();
 160         cd.setClassFilter(classFilter);
 161         cd.setOutputDirectory(outputDirectory);
 162         cd.start(args);
 163         cd.stop();
 164     }
 165 }
agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassDump.java
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