DexPool.java revision edd961477ec83d9f320bc65c5ca97572fceaccc5 
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.writer.pool;
33
34import org.jf.dexlib2.ValueType;
35import org.jf.dexlib2.iface.Annotation;
36import org.jf.dexlib2.iface.AnnotationElement;
37import org.jf.dexlib2.iface.ClassDef;
38import org.jf.dexlib2.iface.Field;
39import org.jf.dexlib2.iface.reference.*;
40import org.jf.dexlib2.iface.value.*;
41import org.jf.dexlib2.writer.DexWriter;
42import org.jf.dexlib2.writer.io.FileDataStore;
43import org.jf.dexlib2.writer.pool.ProtoPool.Key;
44import org.jf.util.ExceptionWithContext;
45
46import javax.annotation.Nonnull;
47import java.io.File;
48import java.io.IOException;
49import java.util.Collection;
50import java.util.Set;
51
52public class DexPool extends DexWriter<CharSequence, StringReference, CharSequence, TypeReference, Key,
53        FieldReference, MethodReference, PoolClassDef,
54        Annotation, Set<? extends Annotation>,
55        TypeListPool.Key<? extends Collection<? extends CharSequence>>, Field, PoolMethod,
56        EncodedValue, AnnotationElement> {
57
58    public static DexPool makeDexPool() {
59        return makeDexPool(15);
60    }
61
62    public static DexPool makeDexPool(int api) {
63        StringPool stringPool = new StringPool();
64        TypePool typePool = new TypePool(stringPool);
65        FieldPool fieldPool = new FieldPool(stringPool, typePool);
66        TypeListPool typeListPool = new TypeListPool(typePool);
67        ProtoPool protoPool = new ProtoPool(stringPool, typePool, typeListPool);
68        MethodPool methodPool = new MethodPool(stringPool, typePool, protoPool);
69        AnnotationPool annotationPool = new AnnotationPool(stringPool, typePool, fieldPool, methodPool);
70        AnnotationSetPool annotationSetPool = new AnnotationSetPool(annotationPool);
71        ClassPool classPool = new ClassPool(stringPool, typePool, fieldPool, methodPool, annotationSetPool,
72                typeListPool);
73
74        return new DexPool(api, stringPool, typePool, protoPool, fieldPool, methodPool, classPool, typeListPool,
75                annotationPool, annotationSetPool);
76    }
77
78    private DexPool(int api, StringPool stringPool, TypePool typePool, ProtoPool protoPool, FieldPool fieldPool,
79                    MethodPool methodPool, ClassPool classPool, TypeListPool typeListPool,
80                    AnnotationPool annotationPool, AnnotationSetPool annotationSetPool) {
81        super(api, stringPool, typePool, protoPool, fieldPool, methodPool,
82                classPool, typeListPool, annotationPool, annotationSetPool);
83    }
84
85    public static void writeTo(@Nonnull String path, @Nonnull org.jf.dexlib2.iface.DexFile input) throws IOException {
86        DexPool dexPool = makeDexPool();
87        for (ClassDef classDef: input.getClasses()) {
88            ((ClassPool)dexPool.classSection).intern(classDef);
89        }
90        dexPool.writeTo(new FileDataStore(new File(path)));
91    }
92
93    @Override protected void writeEncodedValue(@Nonnull InternalEncodedValueWriter writer,
94                                               @Nonnull EncodedValue encodedValue) throws IOException {
95        switch (encodedValue.getValueType()) {
96            case ValueType.ANNOTATION:
97                AnnotationEncodedValue annotationEncodedValue = (AnnotationEncodedValue)encodedValue;
98                writer.writeAnnotation(annotationEncodedValue.getType(), annotationEncodedValue.getElements());
99                break;
100            case ValueType.ARRAY:
101                ArrayEncodedValue arrayEncodedValue = (ArrayEncodedValue)encodedValue;
102                writer.writeArray(arrayEncodedValue.getValue());
103                break;
104            case ValueType.BOOLEAN:
105                writer.writeBoolean(((BooleanEncodedValue)encodedValue).getValue());
106                break;
107            case ValueType.BYTE:
108                writer.writeByte(((ByteEncodedValue)encodedValue).getValue());
109                break;
110            case ValueType.CHAR:
111                writer.writeChar(((CharEncodedValue)encodedValue).getValue());
112                break;
113            case ValueType.DOUBLE:
114                writer.writeDouble(((DoubleEncodedValue)encodedValue).getValue());
115                break;
116            case ValueType.ENUM:
117                writer.writeEnum(((EnumEncodedValue)encodedValue).getValue());
118                break;
119            case ValueType.FIELD:
120                writer.writeField(((FieldEncodedValue)encodedValue).getValue());
121                break;
122            case ValueType.FLOAT:
123                writer.writeFloat(((FloatEncodedValue)encodedValue).getValue());
124                break;
125            case ValueType.INT:
126                writer.writeInt(((IntEncodedValue)encodedValue).getValue());
127                break;
128            case ValueType.LONG:
129                writer.writeLong(((LongEncodedValue)encodedValue).getValue());
130                break;
131            case ValueType.METHOD:
132                writer.writeMethod(((MethodEncodedValue)encodedValue).getValue());
133                break;
134            case ValueType.NULL:
135                writer.writeNull();
136                break;
137            case ValueType.SHORT:
138                writer.writeShort(((ShortEncodedValue)encodedValue).getValue());
139                break;
140            case ValueType.STRING:
141                writer.writeString(((StringEncodedValue)encodedValue).getValue());
142                break;
143            case ValueType.TYPE:
144                writer.writeType(((TypeEncodedValue)encodedValue).getValue());
145                break;
146            default:
147                throw new ExceptionWithContext("Unrecognized value type: %d", encodedValue.getValueType());
148        }
149    }
150
151    public static void internEncodedValue(@Nonnull EncodedValue encodedValue,
152                                          @Nonnull StringPool stringPool,
153                                          @Nonnull TypePool typePool,
154                                          @Nonnull FieldPool fieldPool,
155                                          @Nonnull MethodPool methodPool) {
156        switch (encodedValue.getValueType()) {
157            case ValueType.ANNOTATION:
158                AnnotationEncodedValue annotationEncodedValue = (AnnotationEncodedValue)encodedValue;
159                typePool.intern(annotationEncodedValue.getType());
160                for (AnnotationElement element: annotationEncodedValue.getElements()) {
161                    stringPool.intern(element.getName());
162                    internEncodedValue(element.getValue(), stringPool, typePool, fieldPool, methodPool);
163                }
164                break;
165            case ValueType.ARRAY:
166                for (EncodedValue element: ((ArrayEncodedValue)encodedValue).getValue()) {
167                    internEncodedValue(element, stringPool, typePool, fieldPool, methodPool);
168                }
169                break;
170            case ValueType.STRING:
171                stringPool.intern(((StringEncodedValue)encodedValue).getValue());
172                break;
173            case ValueType.TYPE:
174                typePool.intern(((TypeEncodedValue)encodedValue).getValue());
175                break;
176            case ValueType.ENUM:
177                fieldPool.intern(((EnumEncodedValue)encodedValue).getValue());
178                break;
179            case ValueType.FIELD:
180                fieldPool.intern(((FieldEncodedValue)encodedValue).getValue());
181                break;
182            case ValueType.METHOD:
183                methodPool.intern(((MethodEncodedValue)encodedValue).getValue());
184                break;
185        }
186    }
187}
188