1 package org.apache.bcel.verifier;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache BCEL" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache BCEL", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 /***
58 * The NativeVerifier class implements a main(String[] args) method that's
59 * roughly compatible to the one in the Verifier class, but that uses the
60 * JVM's internal verifier for its class file verification.
61 * This can be used for comparison runs between the JVM-internal verifier
62 * and JustIce.
63 *
64 * @version $Id: NativeVerifier.java,v 1.1.1.1 2001/10/29 20:00:31 jvanzyl Exp $
65 * @author <A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A>
66 */
67 public abstract class NativeVerifier{
68
69 /***
70 * This class must not be instantiated.
71 */
72 private NativeVerifier(){
73 }
74
75 /***
76 * Works only on the first argument.
77 */
78 public static void main(String [] args){
79 if (args.length != 1){
80 System.out.println("Verifier front-end: need exactly one argument.");
81 System.exit(1);
82 }
83
84 int dotclasspos = args[0].lastIndexOf(".class");
85 if (dotclasspos != -1) args[0] = args[0].substring(0,dotclasspos);
86 args[0] = args[0].replace('/','.');
87 //System.out.println(args[0]);
88
89
90 try{
91 Class.forName(args[0]);
92 }
93 catch(ExceptionInInitializerError eiie){ //subclass of LinkageError!
94 System.out.println("NativeVerifier: ExceptionInInitializerError encountered on '"+args[0]+"'.");
95 System.out.println(eiie);
96 System.exit(1);
97 }
98 catch(LinkageError le){
99 System.out.println("NativeVerifier: LinkageError encountered on '"+args[0]+"'.");
100 System.out.println(le);
101 System.exit(1);
102 }
103 catch(ClassNotFoundException cnfe){
104 System.out.println("NativeVerifier: FILE NOT FOUND: '"+args[0]+"'.");
105 System.exit(1);
106 }
107 catch(Throwable t){
108 System.out.println("NativeVerifier: Unspecified verification error on'"+args[0]+"'.");
109 System.exit(1);
110 }
111
112 System.out.println("NativeVerifier: Class file '"+args[0]+"' seems to be okay.");
113 System.exit(0);
114
115 }
116 }
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