/*
 * 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
 *
 *   https://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.bcel.classfile;

import java.io.DataOutputStream;
import java.io.IOException;

/**
 * Represents an annotation element value.
 *
 * @since 6.0
 */
public class AnnotationElementValue extends ElementValue {
    // For annotation element values, this is the annotation
    private final AnnotationEntry annotationEntry;

    /**
     * Constructs an AnnotationElementValue.
     *
     * @param type the type.
     * @param annotationEntry the annotation entry.
     * @param cpool the constant pool.
     */
    public AnnotationElementValue(final int type, final AnnotationEntry annotationEntry, final ConstantPool cpool) {
        super(type, cpool);
        if (type != ANNOTATION) {
            throw new ClassFormatException("Only element values of type annotation can be built with this ctor - type specified: " + type);
        }
        this.annotationEntry = annotationEntry;
    }

    @Override
    public void dump(final DataOutputStream dos) throws IOException {
        dos.writeByte(super.getType()); // u1 type of value (ANNOTATION == '@')
        annotationEntry.dump(dos);
    }

    /**
     * Gets the annotation entry.
     *
     * @return the annotation entry.
     */
    public AnnotationEntry getAnnotationEntry() {
        return annotationEntry;
    }

    @Override
    public String stringifyValue() {
        return annotationEntry.toString();
    }

    @Override
    public String toString() {
        return stringifyValue();
    }
}
