AttInnerClasses.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.util.MutabilityException;
20
21/**
22 * Attribute class for standard <code>InnerClasses</code> attributes.
23 */
24public final class AttInnerClasses extends BaseAttribute {
25    /** non-null; attribute name for attributes of this type */
26    public static final String ATTRIBUTE_NAME = "InnerClasses";
27
28    /** non-null; list of inner class entries */
29    private final InnerClassList innerClasses;
30
31    /**
32     * Constructs an instance.
33     *
34     * @param innerClasses non-null; list of inner class entries
35     */
36    public AttInnerClasses(InnerClassList innerClasses) {
37        super(ATTRIBUTE_NAME);
38
39        try {
40            if (innerClasses.isMutable()) {
41                throw new MutabilityException("innerClasses.isMutable()");
42            }
43        } catch (NullPointerException ex) {
44            // Translate the exception.
45            throw new NullPointerException("innerClasses == null");
46        }
47
48        this.innerClasses = innerClasses;
49    }
50
51    /** {@inheritDoc} */
52    public int byteLength() {
53        return 8 + innerClasses.size() * 8;
54    }
55
56    /**
57     * Gets the list of "inner class" entries associated with this instance.
58     *
59     * @return non-null; the list
60     */
61    public InnerClassList getInnerClasses() {
62        return innerClasses;
63    }
64}
65