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/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.apache.tomcat.util.bcel.classfile;

import java.io.DataInput;
import java.io.IOException;

import org.apache.tomcat.util.bcel.Const;

/**
 * an annotation's element value pair
 *
 * @since 6.0
 */
public class ElementValuePair
{
    private final ElementValue elementValue;

    private final ConstantPool constantPool;

    private final int elementNameIndex;

    ElementValuePair(final DataInput file, final ConstantPool constantPool) throws IOException {
        this.constantPool = constantPool;
        this.elementNameIndex = file.readUnsignedShort();
        this.elementValue = ElementValue.readElementValue(file, constantPool);
    }

    public String getNameString()
    {
        final ConstantUtf8 c = (ConstantUtf8) constantPool.getConstant(
                elementNameIndex, Const.CONSTANT_Utf8);
        return c.getBytes();
    }

    public final ElementValue getValue()
    {
        return elementValue;
    }
}