1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.bcel.classfile;
20
21 import java.io.DataOutputStream;
22 import java.io.IOException;
23
24 /**
25 * Represents a class element value in an annotation.
26 *
27 * @since 6.0
28 */
29 public class ClassElementValue extends ElementValue {
30 // For primitive types and string type, this points to the value entry in
31 // the cpool
32 // For 'class' this points to the class entry in the cpool
33 private final int idx;
34
35 /**
36 * Constructs a ClassElementValue.
37 *
38 * @param type the type.
39 * @param idx the index.
40 * @param cpool the constant pool.
41 */
42 public ClassElementValue(final int type, final int idx, final ConstantPool cpool) {
43 super(type, cpool);
44 this.idx = idx;
45 }
46
47 @Override
48 public void dump(final DataOutputStream dos) throws IOException {
49 dos.writeByte(super.getType()); // u1 kind of value
50 dos.writeShort(idx);
51 }
52
53 /**
54 * Gets the class string.
55 *
56 * @return the class string.
57 */
58 public String getClassString() {
59 return super.getConstantPool().getConstantUtf8(idx).getBytes();
60 }
61
62 /**
63 * Gets the index.
64 *
65 * @return the index.
66 */
67 public int getIndex() {
68 return idx;
69 }
70
71 @Override
72 public String stringifyValue() {
73 return super.getConstantPool().getConstantUtf8(idx).getBytes();
74 }
75 }