1 /* 2 * Copyright 2013, Google Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 package org.jf.dexlib2; 33 34 import com.google.common.collect.Maps; 35 import org.jf.util.ExceptionWithContext; 36 37 import javax.annotation.Nullable; 38 import java.util.HashMap; 39 40 public class VerificationError { 41 public static final int GENERIC = 1; 42 public static final int NO_SUCH_CLASS = 2; 43 public static final int NO_SUCH_FIELD = 3; 44 public static final int NO_SUCH_METHOD = 4; 45 public static final int ILLEGAL_CLASS_ACCESS = 5; 46 public static final int ILLEGAL_FIELD_ACCESS = 6; 47 public static final int ILLEGAL_METHOD_ACCESS = 7; 48 public static final int CLASS_CHANGE_ERROR = 8; 49 public static final int INSTANTIATION_ERROR = 9; 50 51 private static final HashMap<String, Integer> verificationErrorNames = Maps.newHashMap(); 52 53 static { 54 verificationErrorNames.put("generic-error", GENERIC); 55 verificationErrorNames.put("no-such-class", NO_SUCH_CLASS); 56 verificationErrorNames.put("no-such-field", NO_SUCH_FIELD); 57 verificationErrorNames.put("no-such-method", NO_SUCH_METHOD); 58 verificationErrorNames.put("illegal-class-access", ILLEGAL_CLASS_ACCESS); 59 verificationErrorNames.put("illegal-field-access", ILLEGAL_FIELD_ACCESS); 60 verificationErrorNames.put("illegal-method-access", ILLEGAL_METHOD_ACCESS); 61 verificationErrorNames.put("class-change-error", CLASS_CHANGE_ERROR); 62 verificationErrorNames.put("instantiation-error", INSTANTIATION_ERROR); 63 } 64 65 @Nullable getVerificationErrorName(int verificationError)66 public static String getVerificationErrorName(int verificationError) { 67 switch (verificationError) { 68 case GENERIC: 69 return "generic-error"; 70 case NO_SUCH_CLASS: 71 return "no-such-class"; 72 case NO_SUCH_FIELD: 73 return "no-such-field"; 74 case NO_SUCH_METHOD: 75 return "no-such-method"; 76 case ILLEGAL_CLASS_ACCESS: 77 return "illegal-class-access"; 78 case ILLEGAL_FIELD_ACCESS: 79 return "illegal-field-access"; 80 case ILLEGAL_METHOD_ACCESS: 81 return "illegal-method-access"; 82 case CLASS_CHANGE_ERROR: 83 return "class-change-error"; 84 case INSTANTIATION_ERROR: 85 return "instantiation-error"; 86 default: 87 return null; 88 } 89 } 90 getVerificationError(String verificationError)91 public static int getVerificationError(String verificationError) { 92 Integer ret = verificationErrorNames.get(verificationError); 93 if (ret == null) { 94 throw new ExceptionWithContext("Invalid verification error: %s", verificationError); 95 } 96 return ret; 97 } 98 isValidVerificationError(int verificationError)99 public static boolean isValidVerificationError(int verificationError) { 100 return verificationError > 0 && verificationError < 10; 101 } 102 } 103