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  * @version $Id: AnnotationDefault 1 2005-02-13 03:15:08Z dbrosius $

    34  * @since 6.0

    35  */

    36 public 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 }