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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 * A VerificationResult is what a PassVerifier returns 59 * after verifying. 60 * 61 * @version $Id: VerificationResult.java,v 1.2 2002/06/13 09:32:50 enver Exp $ 62 * @author <A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A> 63 * 64 */ 65 public class VerificationResult{ 66 67 /*** 68 * Constant to indicate verification has not been tried yet. 69 * This happens if some earlier verification pass did not return VERIFIED_OK. 70 */ 71 public static final int VERIFIED_NOTYET = 0; 72 /*** Constant to indicate verification was passed. */ 73 public static final int VERIFIED_OK = 1; 74 /*** Constant to indicate verfication failed. */ 75 public static final int VERIFIED_REJECTED = 2; 76 77 /*** 78 * This string is the canonical message for verifications that have not been tried yet. 79 * This happens if some earlier verification pass did not return VERIFIED_OK. 80 */ 81 private static final String VERIFIED_NOTYET_MSG = "Not yet verified."; 82 /*** This string is the canonical message for passed verification passes. */ 83 private static final String VERIFIED_OK_MSG = "Passed verification."; 84 85 /*** 86 * Canonical VerificationResult for not-yet-tried verifications. 87 * This happens if some earlier verification pass did not return VERIFIED_OK. 88 */ 89 public static final VerificationResult VR_NOTYET = new VerificationResult(VERIFIED_NOTYET, VERIFIED_NOTYET_MSG); 90 /*** Canonical VerificationResult for passed verifications. */ 91 public static final VerificationResult VR_OK = new VerificationResult(VERIFIED_OK, VERIFIED_OK_MSG); 92 93 /*** The numeric status. */ 94 private int numeric; 95 96 /*** The detailed message. */ 97 private String detailMessage; 98 99 /*** The usual constructor. */ 100 public VerificationResult(int status, String message){ 101 numeric = status; 102 detailMessage = message; 103 } 104 105 /*** Returns one one the VERIFIED_OK, VERIFIED_NOTYET, VERIFIED_REJECTED constants. */ 106 public int getStatus(){ 107 return numeric; 108 } 109 110 /*** Returns a detailed message. */ 111 public String getMessage(){ 112 return detailMessage; 113 } 114 115 /*** 116 * Returns if two VerificationResult instances are equal. 117 */ 118 public boolean equals(Object o){ 119 if (! (o instanceof VerificationResult)) return false; 120 VerificationResult other = (VerificationResult) o; 121 return ((other.numeric == this.numeric) && (other.detailMessage.equals(this.detailMessage))); 122 } 123 124 /*** 125 * Returns a String representation of the VerificationResult. 126 */ 127 public String toString(){ 128 String ret=""; 129 if (numeric == VERIFIED_NOTYET) ret = "VERIFIED_NOTYET"; 130 if (numeric == VERIFIED_OK) ret = "VERIFIED_OK"; 131 if (numeric == VERIFIED_REJECTED) ret = "VERIFIED_REJECTED"; 132 ret+="\n"+detailMessage+"\n"; 133 return ret; 134 } 135 }

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