AttAnnotationDefault.java revision 2ad60cfc28e14ee8f0bb038720836a4696c478ad
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.cf.attrib;
18
19import com.android.dx.rop.cst.Constant;
20
21/**
22 * Attribute class for <code>AnnotationDefault</code> attributes.
23 */
24public final class AttAnnotationDefault extends BaseAttribute {
25    /** non-null; attribute name for attributes of this type */
26    public static final String ATTRIBUTE_NAME = "AnnotationDefault";
27
28    /** non-null; the annotation default value */
29    private final Constant value;
30
31    /** &gt;= 0; attribute data length in the original classfile (not
32     * including the attribute header) */
33    private final int byteLength;
34
35    /**
36     * Constructs an instance.
37     *
38     * @param value non-null; the annotation default value
39     * @param byteLength &gt;= 0; attribute data length in the original
40     * classfile (not including the attribute header)
41     */
42    public AttAnnotationDefault(Constant value, int byteLength) {
43        super(ATTRIBUTE_NAME);
44
45        if (value == null) {
46            throw new NullPointerException("value == null");
47        }
48
49        this.value = value;
50        this.byteLength = byteLength;
51    }
52
53    /** {@inheritDoc} */
54    public int byteLength() {
55        // Add six for the standard attribute header.
56        return byteLength + 6;
57    }
58
59    /**
60     * Gets the annotation default value.
61     *
62     * @return non-null; the value
63     */
64    public Constant getValue() {
65        return value;
66    }
67}
68