1/*
2 * Copyright (C) 2011 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.dex;
18
19import static com.android.dex.EncodedValueReader.ENCODED_ANNOTATION;
20
21/**
22 * An annotation.
23 */
24public final class Annotation implements Comparable<Annotation> {
25    private final Dex dex;
26    private final byte visibility;
27    private final EncodedValue encodedAnnotation;
28
29    public Annotation(Dex dex, byte visibility, EncodedValue encodedAnnotation) {
30        this.dex = dex;
31        this.visibility = visibility;
32        this.encodedAnnotation = encodedAnnotation;
33    }
34
35    public byte getVisibility() {
36        return visibility;
37    }
38
39    public EncodedValueReader getReader() {
40        return new EncodedValueReader(encodedAnnotation, ENCODED_ANNOTATION);
41    }
42
43    public int getTypeIndex() {
44        EncodedValueReader reader = getReader();
45        reader.readAnnotation();
46        return reader.getAnnotationType();
47    }
48
49    public void writeTo(Dex.Section out) {
50        out.writeByte(visibility);
51        encodedAnnotation.writeTo(out);
52    }
53
54    @Override public int compareTo(Annotation other) {
55        return encodedAnnotation.compareTo(other.encodedAnnotation);
56    }
57
58    @Override public String toString() {
59        return dex == null
60                ? visibility + " " + getTypeIndex()
61                : visibility + " " + dex.typeNames().get(getTypeIndex());
62    }
63}
64