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.writer.builder; 33 34 import com.google.common.collect.Maps; 35 import org.jf.dexlib2.iface.Annotation; 36 import org.jf.dexlib2.writer.AnnotationSection; 37 import org.jf.dexlib2.writer.builder.BuilderEncodedValues.BuilderEncodedValue; 38 39 import javax.annotation.Nonnull; 40 import java.util.Collection; 41 import java.util.Map.Entry; 42 import java.util.concurrent.ConcurrentMap; 43 44 class BuilderAnnotationPool extends BaseBuilderPool implements AnnotationSection<BuilderStringReference, 45 BuilderTypeReference, BuilderAnnotation, BuilderAnnotationElement, BuilderEncodedValue> { 46 @Nonnull private final ConcurrentMap<Annotation, BuilderAnnotation> internedItems = 47 Maps.newConcurrentMap(); 48 BuilderAnnotationPool(@onnull DexBuilder dexBuilder)49 public BuilderAnnotationPool(@Nonnull DexBuilder dexBuilder) { 50 super(dexBuilder); 51 } 52 internAnnotation(@onnull Annotation annotation)53 @Nonnull public BuilderAnnotation internAnnotation(@Nonnull Annotation annotation) { 54 BuilderAnnotation ret = internedItems.get(annotation); 55 if (ret != null) { 56 return ret; 57 } 58 59 BuilderAnnotation dexBuilderAnnotation = new BuilderAnnotation( 60 annotation.getVisibility(), 61 dexBuilder.typeSection.internType(annotation.getType()), 62 dexBuilder.internAnnotationElements(annotation.getElements())); 63 ret = internedItems.putIfAbsent(dexBuilderAnnotation, dexBuilderAnnotation); 64 return ret==null?dexBuilderAnnotation:ret; 65 } 66 getVisibility(@onnull BuilderAnnotation key)67 @Override public int getVisibility(@Nonnull BuilderAnnotation key) { 68 return key.visibility; 69 } 70 getType(@onnull BuilderAnnotation key)71 @Nonnull @Override public BuilderTypeReference getType(@Nonnull BuilderAnnotation key) { 72 return key.type; 73 } 74 75 @Nonnull @Override getElements(@onnull BuilderAnnotation key)76 public Collection<? extends BuilderAnnotationElement> getElements(@Nonnull BuilderAnnotation key) { 77 return key.elements; 78 } 79 80 @Nonnull @Override getElementName(@onnull BuilderAnnotationElement element)81 public BuilderStringReference getElementName(@Nonnull BuilderAnnotationElement element) { 82 return element.name; 83 } 84 85 @Nonnull @Override getElementValue(@onnull BuilderAnnotationElement element)86 public BuilderEncodedValue getElementValue(@Nonnull BuilderAnnotationElement element) { 87 return element.value; 88 } 89 getItemOffset(@onnull BuilderAnnotation key)90 @Override public int getItemOffset(@Nonnull BuilderAnnotation key) { 91 return key.offset; 92 } 93 getItems()94 @Nonnull @Override public Collection<? extends Entry<? extends BuilderAnnotation, Integer>> getItems() { 95 return new BuilderMapEntryCollection<BuilderAnnotation>(internedItems.values()) { 96 @Override protected int getValue(@Nonnull BuilderAnnotation key) { 97 return key.offset; 98 } 99 100 @Override protected int setValue(@Nonnull BuilderAnnotation key, int value) { 101 int prev = key.offset; 102 key.offset = value; 103 return prev; 104 } 105 }; 106 } 107 } 108