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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.
* 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,
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* See the License for the specific language governing permissions and
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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 BootstrapMethods attribute.
*
* @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.23">
* The class File Format : The BootstrapMethods Attribute</a>
* @since 6.0
*/
public class BootstrapMethods extends Attribute {
private BootstrapMethod[] bootstrap_methods; // TODO this could be made final (setter is not used)
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public BootstrapMethods(final BootstrapMethods c) {
this(c.getNameIndex(), c.getLength(), c.getBootstrapMethods(), c.getConstantPool());
}
/**
* @param name_index Index in constant pool to CONSTANT_Utf8
* @param length Content length in bytes
* @param bootstrap_methods array of bootstrap methods
* @param constant_pool Array of constants
*/
public BootstrapMethods(final int name_index, final int length, final BootstrapMethod[] bootstrap_methods, final ConstantPool constant_pool) {
super(Const.ATTR_BOOTSTRAP_METHODS, name_index, length, constant_pool);
this.bootstrap_methods = bootstrap_methods;
}
/**
* Construct object from Input stream.
*
* @param name_index Index in constant pool to CONSTANT_Utf8
* @param length Content length in bytes
* @param input Input stream
* @param constant_pool Array of constants
* @throws IOException
*/
BootstrapMethods(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool) throws IOException {
this(name_index, length, (BootstrapMethod[]) null, constant_pool);
final int num_bootstrap_methods = input.readUnsignedShort();
bootstrap_methods = new BootstrapMethod[num_bootstrap_methods];
for (int i = 0; i < num_bootstrap_methods; i++) {
bootstrap_methods[i] = new BootstrapMethod(input);
}
}
/**
* @return array of bootstrap method "records"
*/
public final BootstrapMethod[] getBootstrapMethods() {
return bootstrap_methods;
}
/**
* @param bootstrap_methods the array of bootstrap methods
*/
public final void setBootstrapMethods(final BootstrapMethod[] bootstrap_methods) {
this.bootstrap_methods = bootstrap_methods;
}
/**
* @param v Visitor object
*/
@Override
public void accept(final Visitor v) {
v.visitBootstrapMethods(this);
}
/**
* @return deep copy of this attribute
*/
@Override
public BootstrapMethods copy(final ConstantPool _constant_pool) {
final BootstrapMethods c = (BootstrapMethods) clone();
c.bootstrap_methods = new BootstrapMethod[bootstrap_methods.length];
for (int i = 0; i < bootstrap_methods.length; i++) {
c.bootstrap_methods[i] = bootstrap_methods[i].copy();
}
c.setConstantPool(_constant_pool);
return c;
}
/**
* Dump bootstrap methods attribute to file stream in binary format.
*
* @param file Output file stream
* @throws IOException
*/
@Override
public final void dump(final DataOutputStream file) throws IOException {
super.dump(file);
file.writeShort(bootstrap_methods.length);
for (final BootstrapMethod bootstrap_method : bootstrap_methods) {
bootstrap_method.dump(file);
}
}
/**
/**代码未完, 请加载全部代码(NowJava.com).**/