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	/*
	* reserved comment block
	* DO NOT REMOVE OR ALTER!
	*/
	/*
	* 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 com.sun.org.apache.bcel.internal.classfile;

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

	import com.sun.org.apache.bcel.internal.Const;

	/**
	* Entry of the parameters table.
	*
	* @see <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.24">
	* The class File Format : The MethodParameters Attribute</a>
	* @since 6.0
	*/
	public class MethodParameter implements Cloneable {

	/** Index of the CONSTANT_Utf8_info structure in the constant_pool table representing the name of the parameter */
	private int nameIndex;

	/** The access flags */
	private int accessFlags;

	public MethodParameter() {
	}

	/**
	* Construct object from input stream.
	*
	* @param input Input stream
	* @throws java.io.IOException
	* @throws ClassFormatException
	*/
	MethodParameter(final DataInput input) throws IOException {
	nameIndex = input.readUnsignedShort();
	accessFlags = input.readUnsignedShort();
	}

	public int getNameIndex() {
	return nameIndex;
	}

	public void setNameIndex(final int name_index) {
	this.nameIndex = name_index;
	}

	/**
	* Returns the name of the parameter.
	*/
	public String getParameterName(final ConstantPool constant_pool) {
	if (nameIndex == 0) {
	return null;
	}
	return ((ConstantUtf8) constant_pool.getConstant(nameIndex, Const.CONSTANT_Utf8)).getBytes();
	}

	public int getAccessFlags() {
	return accessFlags;
	}

	public void setAccessFlags(final int access_flags) {
	this.accessFlags = access_flags;
	}

	public boolean isFinal() {
	return (accessFlags & Const.ACC_FINAL) != 0;
	}

	public boolean isSynthetic() {
	return (accessFlags & Const.ACC_SYNTHETIC) != 0;
	}

	public boolean isMandated() {
	return (accessFlags & Const.ACC_MANDATED) != 0;
	}

	public void accept(final Visitor v) {
	v.visitMethodParameter(this);
	}

	/**
	* Dump object to file stream on binary format.
	*
	* @param file Output file stream
	* @throws IOException
	*/
	public final void dump(final DataOutputStream file) throws IOException {
	file.writeShort(nameIndex);
	file.writeShort(accessFlags);
	}

	/**
	* @return deep copy of this object
	*/
	public MethodParameter copy() {
	try {
	return (MethodParameter) clone();
	} catch (final CloneNotSupportedException e) {
	// TODO should this throw?
	}
	return null;
	}
	}

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