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.generic;
20
21 import java.io.DataOutputStream;
22 import java.io.IOException;
23
24 import org.apache.bcel.classfile.AnnotationElementValue;
25 import org.apache.bcel.classfile.ElementValue;
26
27 /**
28 * Generates annotation element values.
29 *
30 * @since 6.0
31 */
32 public class AnnotationElementValueGen extends ElementValueGen {
33 // For annotation element values, this is the annotation
34 private final AnnotationEntryGen a;
35
36 /**
37 * Constructs an AnnotationElementValueGen.
38 *
39 * @param value the annotation element value.
40 * @param cpool the constant pool generator.
41 * @param copyPoolEntries whether to copy pool entries.
42 */
43 public AnnotationElementValueGen(final AnnotationElementValue value, final ConstantPoolGen cpool, final boolean copyPoolEntries) {
44 super(ANNOTATION, cpool);
45 a = new AnnotationEntryGen(value.getAnnotationEntry(), cpool, copyPoolEntries);
46 }
47
48 /**
49 * Constructs an AnnotationElementValueGen.
50 *
51 * @param a the annotation entry generator.
52 * @param cpool the constant pool generator.
53 */
54 public AnnotationElementValueGen(final AnnotationEntryGen a, final ConstantPoolGen cpool) {
55 super(ANNOTATION, cpool);
56 this.a = a;
57 }
58
59 /**
60 * Constructs an AnnotationElementValueGen.
61 *
62 * @param type the type.
63 * @param annotation the annotation.
64 * @param cpool the constant pool generator.
65 */
66 public AnnotationElementValueGen(final int type, final AnnotationEntryGen annotation, final ConstantPoolGen cpool) {
67 super(type, cpool);
68 if (type != ANNOTATION) {
69 throw new IllegalArgumentException("Only element values of type annotation can be built with this ctor - type specified: " + type);
70 }
71 this.a = annotation;
72 }
73
74 @Override
75 public void dump(final DataOutputStream dos) throws IOException {
76 dos.writeByte(super.getElementValueType()); // u1 type of value (ANNOTATION == '@')
77 a.dump(dos);
78 }
79
80 /**
81 * Gets the annotation.
82 *
83 * @return the annotation.
84 */
85 public AnnotationEntryGen getAnnotation() {
86 return a;
87 }
88
89 /**
90 * Returns an immutable variant of this AnnotationElementValueGen.
91 *
92 * @return an immutable variant of this AnnotationElementValueGen.
93 */
94 @Override
95 public ElementValue getElementValue() {
96 return new AnnotationElementValue(super.getElementValueType(), a.getAnnotation(), getConstantPool().getConstantPool());
97 }
98
99 @Override
100 public String stringifyValue() {
101 throw new UnsupportedOperationException("Not implemented yet");
102 }
103 }