JDK14/Java14源码在线阅读

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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.
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 * (the "License"); you may not use this file except in compliance with
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 *      http://www.apache.org/licenses/LICENSE-2.0
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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;

/**
 * This class represents a MethodParameters attribute.
 *
 * @see <a href="http://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 MethodParameters extends Attribute {

    private MethodParameter[] parameters = new MethodParameter[0];

    MethodParameters(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool) throws IOException {
        super(Const.ATTR_METHOD_PARAMETERS, name_index, length, constant_pool);

        final int parameters_count = input.readUnsignedByte();
        parameters = new MethodParameter[parameters_count];
        for (int i = 0; i < parameters_count; i++) {
            parameters[i] = new MethodParameter(input);
        }
    }

    public MethodParameter[] getParameters() {
        return parameters;
    }

    public void setParameters(final MethodParameter[] parameters) {
        this.parameters = parameters;
    }

    @Override
    public void accept(final Visitor v) {
        v.visitMethodParameters(this);
    }

    @Override
    public Attribute copy(final ConstantPool _constant_pool) {
        final MethodParameters c = (MethodParameters) clone();
        c.parameters = new MethodParameter[parameters.length];

        for (int i = 0; i < parameters.length; i++) {
            c.parameters[i] = parameters[i].copy();
        }
        c.setConstantPool(_constant_pool);
        return c;
    }

    /**
     * Dump method parameters attribute to file stream in binary format.
     *
     * @param file Output file stream

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