1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.bcel.internal.classfile; 23 24 import java.io.DataInput; 25 import java.io.DataOutputStream; 26 import java.io.IOException; 27 28 import com.sun.org.apache.bcel.internal.Const; 29 30 /** 31 * Represents the default value of a annotation for a method info 32 * 33 * @since 6.0 34 */ 35 public class AnnotationDefault extends Attribute { 36 37 private ElementValue default_value; 38 39 /** 40 * @param name_index Index pointing to the name <em>Code</em> 41 * @param length Content length in bytes 42 * @param input Input stream 43 * @param constant_pool Array of constants 44 */ 45 AnnotationDefault(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool) throws IOException { 46 this(name_index, length, (ElementValue) null, constant_pool); 47 default_value = ElementValue.readElementValue(input, constant_pool); 48 } 49 50 /** 51 * @param name_index Index pointing to the name <em>Code</em> 52 * @param length Content length in bytes 53 * @param defaultValue the annotation's default value 54 * @param constant_pool Array of constants 55 */ 56 public AnnotationDefault(final int name_index, final int length, final ElementValue defaultValue, final ConstantPool constant_pool) { 57 super(Const.ATTR_ANNOTATION_DEFAULT, name_index, length, constant_pool); 58 this.default_value = defaultValue; 59 } 60 61 /** 62 * Called by objects that are traversing the nodes of the tree implicitely 63 * defined by the contents of a Java class. I.e., the hierarchy of methods, 64 * fields, attributes, etc. spawns a tree of objects. 65 * 66 * @param v Visitor object 67 */ 68 @Override 69 public void accept(final Visitor v) { 70 v.visitAnnotationDefault(this); 71 } 72 73 /** 74 * @param defaultValue the default value of this methodinfo's annotation 75 */ 76 public final void setDefaultValue(final ElementValue defaultValue) { 77 default_value = defaultValue; 78 } 79 80 /** 81 * @return the default value 82 */ 83 public final ElementValue getDefaultValue() { 84 return default_value; 85 } 86 87 @Override 88 public Attribute copy(final ConstantPool _constant_pool) { 89 return (Attribute) clone(); 90 } 91 92 @Override 93 public final void dump(final DataOutputStream dos) throws IOException { 94 super.dump(dos); 95 default_value.dump(dos); 96 } 97 }