001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.commons.compress.harmony.unpack200.bytecode;
020
021import java.io.DataOutputStream;
022import java.io.IOException;
023import java.util.ArrayList;
024import java.util.List;
025
026/**
027 * AnnotationDefault class file attribute
028 */
029public class AnnotationDefaultAttribute extends AnnotationsAttribute {
030
031    private static CPUTF8 attributeName;
032
033    /**
034     * Sets the attribute name.
035     *
036     * @param cpUTF8Value the attribute name.
037     */
038    public static void setAttributeName(final CPUTF8 cpUTF8Value) {
039        attributeName = cpUTF8Value;
040    }
041
042    private final ElementValue elementValue;
043
044    /**
045     * Constructs a new instance.
046     *
047     * @param elementValue element value to track.
048     */
049    public AnnotationDefaultAttribute(final ElementValue elementValue) {
050        super(attributeName);
051        this.elementValue = elementValue;
052    }
053
054    @Override
055    public boolean equals(final Object obj) {
056        return this == obj;
057    }
058
059    @Override
060    protected int getLength() {
061        return elementValue.getLength();
062    }
063
064    @Override
065    protected ClassFileEntry[] getNestedClassFileEntries() {
066        final List<Object> nested = new ArrayList<>();
067        nested.add(attributeName);
068        nested.addAll(elementValue.getClassFileEntries());
069        final ClassFileEntry[] nestedEntries = new ClassFileEntry[nested.size()];
070        for (int i = 0; i < nestedEntries.length; i++) {
071            nestedEntries[i] = (ClassFileEntry) nested.get(i);
072        }
073        return nestedEntries;
074    }
075
076    @Override
077    protected void resolve(final ClassConstantPool pool) {
078        super.resolve(pool);
079        elementValue.resolve(pool);
080    }
081
082    @Override
083    public String toString() {
084        return "AnnotationDefault: " + elementValue;
085    }
086
087    @Override
088    protected void writeBody(final DataOutputStream dos) throws IOException {
089        elementValue.writeBody(dos);
090    }
091
092}