1 /*
   2  * Copyright (c) 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 package com.sun.classanalyzer;
  25 
  26 /**
  27  *
  28  * @author Mandy Chung
  29  */
  30 public class ConstantPoolAnalyzer {
  31     public static void main(String[] args) throws Exception {
  32         String jdkhome = null;
  33 
  34         // process arguments
  35         int i = 0;
  36         while (i < args.length) {
  37             String arg = args[i++];
  38             if (arg.equals("-jdkhome")) {
  39                 if (i < args.length) {
  40                     jdkhome = args[i++];
  41                 } else {
  42                     usage();
  43                 }
  44             }
  45         }
  46         if (jdkhome == null) {
  47             usage();
  48         }
  49         ClassPath.setJDKHome(jdkhome);
  50         ClassPath.parseAllClassFiles();
  51     }
  52 
  53     private static void usage() {
  54         System.out.println("Usage: ConstantPoolAnalyzer <options>");
  55         System.out.println("Options: ");
  56         System.out.println("\t-jdkhome <JDK home> where all jars will be parsed");
  57         System.out.println("\t-cpath <classpath> where classes and jars will be parsed");
  58         System.exit(-1);
  59     }
  60 }