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.dexbacked.raw; 33 34import org.jf.dexlib2.dexbacked.DexBackedDexFile; 35import org.jf.dexlib2.dexbacked.DexReader; 36import org.jf.dexlib2.dexbacked.raw.util.DexAnnotator; 37import org.jf.dexlib2.util.AnnotatedBytes; 38 39import javax.annotation.Nonnull; 40import javax.annotation.Nullable; 41 42public class AnnotationItem { 43 public static final int VISIBILITY_OFFSET = 0; 44 public static final int ANNOTATION_OFFSET = 1; 45 46 @Nonnull 47 public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) { 48 return new SectionAnnotator(annotator, mapItem) { 49 @Nonnull @Override public String getItemName() { 50 return "annotation_item"; 51 } 52 53 @Override 54 protected void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) { 55 int visibility = dexFile.readUbyte(out.getCursor()); 56 out.annotate(1, "visibility = %d: %s", visibility, getAnnotationVisibility(visibility)); 57 58 DexReader reader = dexFile.readerAt(out.getCursor()); 59 60 EncodedValue.annotateEncodedAnnotation(out, reader); 61 } 62 }; 63 } 64 65 private static String getAnnotationVisibility(int visibility) { 66 switch (visibility) { 67 case 0: 68 return "build"; 69 case 1: 70 return "runtime"; 71 case 2: 72 return "system"; 73 default: 74 return "invalid visibility"; 75 } 76 } 77 78 public static String getReferenceAnnotation(@Nonnull DexBackedDexFile dexFile, int annotationItemOffset) { 79 try { 80 DexReader reader = dexFile.readerAt(annotationItemOffset); 81 reader.readUbyte(); 82 int typeIndex = reader.readSmallUleb128(); 83 String annotationType = dexFile.getType(typeIndex); 84 return String.format("annotation_item[0x%x]: %s", annotationItemOffset, annotationType); 85 } catch (Exception ex) { 86 ex.printStackTrace(System.err); 87 } 88 return String.format("annotation_item[0x%x]", annotationItemOffset); 89 } 90} 91