1/*
2 * Copyright (C) 2007 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
17package com.android.dx.dex.file;
18
19import com.android.dx.rop.cst.CstFieldRef;
20
21/**
22 * Representation of a field reference inside a Dalvik file.
23 */
24public final class FieldIdItem extends MemberIdItem {
25    /**
26     * Constructs an instance.
27     *
28     * @param field non-null; the constant for the field
29     */
30    public FieldIdItem(CstFieldRef field) {
31        super(field);
32    }
33
34    /** {@inheritDoc} */
35    @Override
36    public ItemType itemType() {
37        return ItemType.TYPE_FIELD_ID_ITEM;
38    }
39
40    /** {@inheritDoc} */
41    @Override
42    public void addContents(DexFile file) {
43        super.addContents(file);
44
45        TypeIdsSection typeIds = file.getTypeIds();
46        typeIds.intern(getFieldRef().getType());
47    }
48
49    /**
50     * Gets the field constant.
51     *
52     * @return non-null; the constant
53     */
54    public CstFieldRef getFieldRef() {
55        return (CstFieldRef) getRef();
56    }
57
58    /** {@inheritDoc} */
59    @Override
60    protected int getTypoidIdx(DexFile file) {
61        TypeIdsSection typeIds = file.getTypeIds();
62        return typeIds.indexOf(getFieldRef().getType());
63    }
64
65    /** {@inheritDoc} */
66    @Override
67    protected String getTypoidName() {
68        return "type_idx";
69    }
70}
71