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 22package com.sun.org.apache.bcel.internal.classfile; 23 24import java.io.DataInput; 25import java.io.DataOutputStream; 26import java.io.IOException; 27 28import com.sun.org.apache.bcel.internal.Const; 29 30/** 31 * Represents the default value of a annotation for a method info 32 * 33 * @version $Id: AnnotationDefault 1 2005-02-13 03:15:08Z dbrosius $ 34 * @since 6.0 35 */ 36public class AnnotationDefault extends Attribute { 37 38 private ElementValue default_value; 39 40 /** 41 * @param name_index Index pointing to the name <em>Code</em> 42 * @param length Content length in bytes 43 * @param input Input stream 44 * @param constant_pool Array of constants 45 */ 46 AnnotationDefault(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool) throws IOException { 47 this(name_index, length, (ElementValue) null, constant_pool); 48 default_value = ElementValue.readElementValue(input, constant_pool); 49 } 50 51 /** 52 * @param name_index Index pointing to the name <em>Code</em> 53 * @param length Content length in bytes 54 * @param defaultValue the annotation's default value 55 * @param constant_pool Array of constants 56 */ 57 public AnnotationDefault(final int name_index, final int length, final ElementValue defaultValue, final ConstantPool constant_pool) { 58 super(Const.ATTR_ANNOTATION_DEFAULT, name_index, length, constant_pool); 59 this.default_value = defaultValue; 60 } 61 62 /** 63 * Called by objects that are traversing the nodes of the tree implicitely 64 * defined by the contents of a Java class. I.e., the hierarchy of methods, 65 * fields, attributes, etc. spawns a tree of objects. 66 * 67 * @param v Visitor object 68 */ 69 @Override 70 public void accept(final Visitor v) { 71 v.visitAnnotationDefault(this); 72 } 73 74 /** 75 * @param defaultValue the default value of this methodinfo's annotation 76 */ 77 public final void setDefaultValue(final ElementValue defaultValue) { 78 default_value = defaultValue; 79 } 80 81 /** 82 * @return the default value 83 */ 84 public final ElementValue getDefaultValue() { 85 return default_value; 86 } 87 88 @Override 89 public Attribute copy(final ConstantPool _constant_pool) { 90 return (Attribute) clone(); 91 } 92 93 @Override 94 public final void dump(final DataOutputStream dos) throws IOException { 95 super.dump(dos); 96 default_value.dump(dos); 97 } 98} 99