1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dex.reader; 18 19 import dex.reader.DexFileReader.ClassDefItem; 20 import dex.reader.DexFileReader.FieldIdItem; 21 import dex.reader.DexFileReader.MethodsIdItem; 22 import dex.reader.DexFileReader.ProtIdItem; 23 import dex.structure.DexClass; 24 import dex.structure.DexFile; 25 26 import java.util.ArrayList; 27 import java.util.Arrays; 28 import java.util.List; 29 30 /* package */final class DexFileImpl implements DexFile { 31 32 private final String[] stringPool; 33 private final int[] typeIds; 34 private ProtIdItem[] protoIdItems; 35 private FieldIdItem[] fieldIdItems; 36 private MethodsIdItem[] methodIdItems; 37 private ClassDefItem[] classDefItems; 38 private final DexBuffer buffer; 39 40 private List<DexClass> classes = null; 41 42 public DexFileImpl(DexBuffer buffer, String[] stringPool, int[] typeIds, 43 ProtIdItem[] protoIds, FieldIdItem[] fieldIdItems, 44 MethodsIdItem[] methodIdItems, ClassDefItem[] classDefItems) { 45 this.buffer = buffer; 46 this.stringPool = stringPool; 47 this.typeIds = typeIds; 48 this.protoIdItems = protoIds; 49 this.fieldIdItems = fieldIdItems; 50 this.methodIdItems = methodIdItems; 51 this.classDefItems = classDefItems; 52 } 53 54 /* 55 * (non-Javadoc) 56 * 57 * @see dex.reader.DexFile#getDefinedClasses() 58 */ 59 public synchronized List<DexClass> getDefinedClasses() { 60 if (classes == null) { 61 classes = new ArrayList<DexClass>(classDefItems.length); 62 for (int i = 0; i < classDefItems.length; i++) { 63 classes.add(new DexClassImpl(buffer.createCopy(), 64 classDefItems[i], stringPool, typeIds, protoIdItems, 65 fieldIdItems, methodIdItems)); 66 } 67 } 68 return classes; 69 } 70 71 @Override 72 public String toString() { 73 StringBuilder b = new StringBuilder(); 74 b.append("StringPool:\n").append(Arrays.toString(stringPool)); 75 b.append("\nTypes:\n"); 76 for (int i = 0; i < typeIds.length; i++) { 77 b.append(stringPool[typeIds[i]] + "\n"); 78 } 79 b.append("\nProtos:\n").append(Arrays.toString(protoIdItems)); 80 b.append("\nFields:\n").append(Arrays.toString(fieldIdItems)); 81 b.append("\nMethods:\n").append(Arrays.toString(methodIdItems)); 82 b.append("\nClasses:\n").append(Arrays.toString(classDefItems)); 83 return b.toString(); 84 } 85 86 public String getName() { 87 return "DexFile"; 88 } 89 } 90