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1   /***************************************************************************************
2    * Copyright (c) Jonas Bonér, Alexandre Vasseur. All rights reserved.                 *
3    * http://aspectwerkz.codehaus.org                                                    *
4    * ---------------------------------------------------------------------------------- *
5    * The software in this package is published under the terms of the LGPL license      *
6    * a copy of which has been included with this distribution in the license.txt file.  *
7    **************************************************************************************/
8   package org.codehaus.aspectwerkz.hook;
9   
10  /***
11   * Starts a target process adding a dir in -Xbootclasspath/p: option <p/>Target process is launched using
12   * <i>$JAVA_HOME/bin/java [opt] [main] </i> <br/>and [opt] is patched to use [bootDir] in -Xbootclasspath/p: option.
13   * <br/>This is suitable for java 1.3. <br/>This can be use with java 1.4 to avoid running in JDWP mode.
14   * 
15   * @author <a href="mailto:alex@gnilux.com">Alexandre Vasseur </a>
16   */
17  public class BootClasspathStarter extends AbstractStarter {
18      private String bootDir;
19  
20      public BootClasspathStarter(String opt, String main, String bootDir) {
21          super(opt, main);
22          this.bootDir = bootDir;
23          patchBootclasspath();
24      }
25  
26      /***
27       * add dir in first position of -Xbootclasspath/p option for target VM
28       */
29      private void patchBootclasspath() {
30          // prepend dir in -Xbootclasspath/p:
31          if (opt.indexOf("-Xbootclasspath/p:") < 0) {
32              opt = "-Xbootclasspath/p:\"" + bootDir + "\" " + opt;
33  
34              //todo ? is \" ok on *nix
35          } else {
36              int index = -1;
37              if (opt.indexOf("-Xbootclasspath/p:\"") >= 0) {
38                  // -Xbootclasspath/p: is defined using "
39                  index = opt.indexOf("-Xbootclasspath/p:\"") + "-Xbootclasspath/p:\"".length();
40              } else if (opt.indexOf("-Xbootclasspath/p:'") >= 0) {
41                  // -Xbootclasspath/p: is defined using '
42                  index = opt.indexOf("-Xbootclasspath/p:'") + "-Xbootclasspath/p:'".length();
43              } else {
44                  // -Xbootclasspath/p: is defined without quotes
45                  index = opt.indexOf("-Xbootclasspath/p:") + "-Xbootclasspath/p:".length();
46              }
47              StringBuffer optB = new StringBuffer("");
48              optB.append(opt.substring(0, index));
49              optB.append(bootDir);
50              optB.append((System.getProperty("os.name", "").toLowerCase().indexOf("windows") >= 0) ? ";" : ":");
51              optB.append(opt.substring(index));
52              opt = optB.toString();
53          }
54      }
55  }