org.aspectj/bcel-builder/src/main/java/org/aspectj/apache/bcel/classfile/ConstantDynamic.java

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (https://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache BCEL" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache BCEL", nor may "Apache" appear in their name, without
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 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <https://www.apache.org/>.
 */
package org.aspectj.apache.bcel.classfile;


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

import org.aspectj.apache.bcel.Constants;

/**
 * This class is derived from the abstract <A HREF="org.aspectj.apache.bcel.classfile.Constant.html">Constant</A> class and
 * represents a reference to the name and signature of a field or method.
 *
 * https://docs.oracle.com/javase/specs/jvms/se7/html/jvms-4.html#jvms-4.4.10
 *
 * @author Andy Clement
 * @see Constant
 */
public final class ConstantDynamic extends Constant {
	private final int bootstrapMethodAttrIndex;
	private final int nameAndTypeIndex;

	ConstantDynamic(DataInputStream file) throws IOException {
		this(file.readUnsignedShort(), file.readUnsignedShort());
	}

	public ConstantDynamic(int readUnsignedShort, int nameAndTypeIndex) {
		super(Constants.CONSTANT_Dynamic);
		this.bootstrapMethodAttrIndex = readUnsignedShort;
		this.nameAndTypeIndex = nameAndTypeIndex;
	}

	@Override
	public final void dump(DataOutputStream file) throws IOException {
		file.writeByte(tag);
		file.writeShort(bootstrapMethodAttrIndex);
		file.writeShort(nameAndTypeIndex);
	}

	public final int getNameAndTypeIndex() {
		return nameAndTypeIndex;
	}

	public final int getBootstrapMethodAttrIndex() {
		return bootstrapMethodAttrIndex;
	}

	@Override
	public final String toString() {
		return super.toString() + "(bootstrapMethodAttrIndex=" + bootstrapMethodAttrIndex + ",nameAndTypeIndex=" + nameAndTypeIndex + ")";
	}

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

	@Override
	public void accept(ClassVisitor v) {
		v.visitConstantDynamic(this);
	}

}