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.reference.BaseMethodReference; 35 import org.jf.dexlib2.iface.Annotation; 36 import org.jf.dexlib2.iface.Method; 37 import org.jf.dexlib2.iface.MethodImplementation; 38 import org.jf.dexlib2.iface.MethodParameter; 39 40 import javax.annotation.Nonnull; 41 import javax.annotation.Nullable; 42 import java.util.List; 43 import java.util.Set; 44 45 public class MethodRewriter implements Rewriter<Method> { 46 @Nonnull protected final Rewriters rewriters; 47 48 public MethodRewriter(@Nonnull Rewriters rewriters) { 49 this.rewriters = rewriters; 50 } 51 52 @Nonnull @Override public Method rewrite(@Nonnull Method value) { 53 return new RewrittenMethod(value); 54 } 55 56 protected class RewrittenMethod extends BaseMethodReference implements Method { 57 @Nonnull protected Method method; 58 59 public RewrittenMethod(@Nonnull Method method) { 60 this.method = method; 61 } 62 63 @Override @Nonnull public String getDefiningClass() { 64 return rewriters.getMethodReferenceRewriter().rewrite(method).getDefiningClass(); 65 } 66 67 @Override @Nonnull public String getName() { 68 return rewriters.getMethodReferenceRewriter().rewrite(method).getName(); 69 } 70 71 @Override @Nonnull public List<? extends CharSequence> getParameterTypes() { 72 return rewriters.getMethodReferenceRewriter().rewrite(method).getParameterTypes(); 73 } 74 75 @Override @Nonnull public List<? extends MethodParameter> getParameters() { 76 // We can't use the MethodReferenceRewriter to rewrite the parameters, because we would lose 77 // parameter names and annotations. If a method rewrite involves changing parameters, it needs 78 // to be handled here as well as in the MethodReferenceRewriter 79 80 return RewriterUtils.rewriteList(rewriters.getMethodParameterRewriter(), method.getParameters()); 81 } 82 83 @Override @Nonnull public String getReturnType() { 84 return rewriters.getMethodReferenceRewriter().rewrite(method).getReturnType(); 85 } 86 87 @Override public int getAccessFlags() { 88 return method.getAccessFlags(); 89 } 90 91 @Override @Nonnull public Set<? extends Annotation> getAnnotations() { 92 return RewriterUtils.rewriteSet(rewriters.getAnnotationRewriter(), method.getAnnotations()); 93 } 94 95 @Override @Nullable public MethodImplementation getImplementation() { 96 return RewriterUtils.rewriteNullable(rewriters.getMethodImplementationRewriter(), 97 method.getImplementation()); 98 } 99 } 100 } 101
