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 32package org.jf.dexlib2.builder; 33 34import org.jf.dexlib2.base.BaseExceptionHandler; 35import org.jf.dexlib2.iface.reference.TypeReference; 36 37import javax.annotation.Nonnull; 38import javax.annotation.Nullable; 39 40public abstract class BuilderExceptionHandler extends BaseExceptionHandler { 41 @Nonnull protected final Label handler; 42 43 private BuilderExceptionHandler(@Nonnull Label handler) { 44 this.handler = handler; 45 } 46 47 @Nonnull 48 public Label getHandler() { 49 return handler; 50 } 51 52 static BuilderExceptionHandler newExceptionHandler(@Nullable final TypeReference exceptionType, 53 @Nonnull Label handler) { 54 if (exceptionType == null) { 55 return newExceptionHandler(handler); 56 } 57 return new BuilderExceptionHandler(handler) { 58 @Nullable @Override public String getExceptionType() { 59 return exceptionType.getType(); 60 } 61 62 @Override public int getHandlerCodeAddress() { 63 return handler.getCodeAddress(); 64 } 65 66 @Nullable @Override public TypeReference getExceptionTypeReference() { 67 return exceptionType; 68 } 69 }; 70 } 71 72 static BuilderExceptionHandler newExceptionHandler(@Nonnull Label handler) { 73 return new BuilderExceptionHandler(handler) { 74 @Nullable @Override public String getExceptionType() { 75 return null; 76 } 77 78 @Override public int getHandlerCodeAddress() { 79 return handler.getCodeAddress(); 80 } 81 }; 82 } 83 84 static BuilderExceptionHandler newExceptionHandler(@Nullable final String exceptionType, 85 @Nonnull Label handler) { 86 if (exceptionType == null) { 87 return newExceptionHandler(handler); 88 } 89 return new BuilderExceptionHandler(handler) { 90 @Nullable @Override public String getExceptionType() { 91 return exceptionType; 92 } 93 94 @Override public int getHandlerCodeAddress() { 95 return handler.getCodeAddress(); 96 } 97 }; 98 } 99} 100