DexBackedFieldReference.java revision 1771f92aaf6e2d95c4504174803117712a9800bb 
1/*
2 * Copyright 2012, 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.reference;
33
34import org.jf.dexlib2.base.reference.BaseFieldReference;
35import org.jf.dexlib2.dexbacked.DexBackedDexFile;
36import org.jf.dexlib2.dexbacked.raw.FieldIdItem;
37
38import javax.annotation.Nonnull;
39
40public class DexBackedFieldReference extends BaseFieldReference {
41    @Nonnull public final DexBackedDexFile dexFile;
42    public final int fieldIdItemOffset;
43
44    public DexBackedFieldReference(@Nonnull DexBackedDexFile dexFile, int fieldIndex) {
45        this.dexFile = dexFile;
46        this.fieldIdItemOffset = dexFile.getFieldIdItemOffset(fieldIndex);
47    }
48
49    @Nonnull
50    @Override
51    public String getDefiningClass() {
52        return dexFile.getType(dexFile.readUshort(fieldIdItemOffset + FieldIdItem.CLASS_OFFSET));
53    }
54
55    @Nonnull
56    @Override
57    public String getName() {
58        return dexFile.getString(dexFile.readSmallUint(fieldIdItemOffset + FieldIdItem.NAME_OFFSET));
59    }
60
61    @Nonnull
62    @Override
63    public String getType() {
64        return dexFile.getType(dexFile.readUshort(fieldIdItemOffset + FieldIdItem.TYPE_OFFSET));
65    }
66}
67