1 /* 2 * Copyright 2014, 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.rewriter; 33 34 import org.jf.dexlib2.base.BaseTryBlock; 35 import org.jf.dexlib2.iface.ExceptionHandler; 36 import org.jf.dexlib2.iface.TryBlock; 37 38 import javax.annotation.Nonnull; 39 import java.util.List; 40 41 public class TryBlockRewriter implements Rewriter<TryBlock<? extends ExceptionHandler>> { 42 @Nonnull protected final Rewriters rewriters; 43 44 public TryBlockRewriter(@Nonnull Rewriters rewriters) { 45 this.rewriters = rewriters; 46 } 47 48 @Nonnull @Override public TryBlock<? extends ExceptionHandler> rewrite( 49 @Nonnull TryBlock<? extends ExceptionHandler> tryBlock) { 50 return new RewrittenTryBlock(tryBlock); 51 } 52 53 protected class RewrittenTryBlock extends BaseTryBlock<ExceptionHandler> { 54 @Nonnull protected TryBlock<? extends ExceptionHandler> tryBlock; 55 56 public RewrittenTryBlock(@Nonnull TryBlock<? extends ExceptionHandler> tryBlock) { 57 this.tryBlock = tryBlock; 58 } 59 60 @Override public int getStartCodeAddress() { 61 return tryBlock.getStartCodeAddress(); 62 } 63 64 @Override public int getCodeUnitCount() { 65 return tryBlock.getCodeUnitCount(); 66 } 67 68 @Override @Nonnull public List<? extends ExceptionHandler> getExceptionHandlers() { 69 return RewriterUtils.rewriteList(rewriters.getExceptionHandlerRewriter(), tryBlock.getExceptionHandlers()); 70 } 71 } 72 } 73
