org.jboss.classfilewriter.annotations.EnumAnnotationValue Maven / Gradle / Ivy

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This jar bundles all the bits of Weld and CDI required for running in a Servlet container.

There is a newer version: 6.0.0.Beta4

/*
 * JBoss, Home of Professional Open Source.
 *
 * Copyright 2012 Red Hat, Inc.
 *
 * Licensed 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.jboss.classfilewriter.annotations;

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

import org.jboss.classfilewriter.constpool.ConstPool;
import org.jboss.classfilewriter.util.ByteArrayDataOutputStream;

/**
 * An enum annotation value
 *
 * @author Stuart Douglas
 *
 */
public class EnumAnnotationValue extends AnnotationValue {

    private final int valueIndex;

    private final int typeIndex;

    public EnumAnnotationValue(ConstPool constPool, String name, Enum value) {
        super(constPool, name);
        this.valueIndex = constPool.addUtf8Entry(value.name());
        this.typeIndex = constPool.addUtf8Entry(value.getDeclaringClass().getName());
    }

    public EnumAnnotationValue(ConstPool constPool, String name, String enumType, String enumValue) {
        super(constPool, name);
        this.valueIndex = constPool.addUtf8Entry(enumValue);
        this.typeIndex = constPool.addUtf8Entry(enumType);
    }

    @Override
    public char getTag() {
        return 'e';
    }

    @Override
    public void writeData(ByteArrayDataOutputStream stream) throws IOException {
        stream.writeShort(typeIndex);
        stream.writeShort(valueIndex);
    }

}