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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
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* 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
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* Unless required by applicable law or agreed to in writing, software
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package com.sun.org.apache.bcel.internal.classfile;
import com.sun.org.apache.bcel.internal.Constants;
import java.io.*;
This class is derived from the abstract
Constant class
and represents a reference to a Double object.
Author: M. Dahm See Also:
/**
* This class is derived from the abstract
* <A HREF="com.sun.org.apache.bcel.internal.classfile.Constant.html">Constant</A> class
* and represents a reference to a Double object.
*
* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
* @see Constant
*/
public final class ConstantDouble extends Constant implements ConstantObject {
private double bytes;
Params: - bytes – Data
/**
* @param bytes Data
*/
public ConstantDouble(double bytes) {
super(Constants.CONSTANT_Double);
this.bytes = bytes;
}
Initialize from another object.
/**
* Initialize from another object.
*/
public ConstantDouble(ConstantDouble c) {
this(c.getBytes());
}
Initialize instance from file data.
Params: - file – Input stream
Throws:
/**
* Initialize instance from file data.
*
* @param file Input stream
* @throws IOException
*/
ConstantDouble(DataInputStream file) throws IOException
{
this(file.readDouble());
}
Called by objects that are traversing the nodes of the tree implicitely
defined by the contents of a Java class. I.e., the hierarchy of methods,
fields, attributes, etc. spawns a tree of objects.
Params: - v – Visitor object
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v Visitor object
*/
public void accept(Visitor v) {
v.visitConstantDouble(this);
}
Dump constant double to file stream in binary format.
Params: - file – Output file stream
Throws:
/**
* Dump constant double to file stream in binary format.
*
* @param file Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException
{
file.writeByte(tag);
file.writeDouble(bytes);
}
Returns: data, i.e., 8 bytes.
/**
* @return data, i.e., 8 bytes.
*/
public final double getBytes() { return bytes; }
@param bytes.
/**
* @param bytes.
*/
public final void setBytes(double bytes) {
this.bytes = bytes;
}
Returns: String representation.
/**
* @return String representation.
*/
public final String toString()
{
return super.toString() + "(bytes = " + bytes + ")";
}
Returns: Double object
/** @return Double object
*/
public Object getConstantValue(ConstantPool cp) {
return new Double(bytes);
}
}