fr.umlv.corosol.classfile.constant.impl
Class DefaultJConstantDouble

java.lang.Object
  fr.umlv.corosol.classfile.constant.impl.AbstractJConstant
      fr.umlv.corosol.classfile.constant.impl.DefaultJConstantDouble

All Implemented Interfaces:

JConstant, JConstantDouble, JLoadableConstant, JClassFileItem, JObject

public class DefaultJConstantDouble
extends AbstractJConstant
implements JConstantDouble

The default implementation of JConstantDouble interface.

Author:

Christophe Deleray

Field Summary

Fields inherited from interface fr.umlv.corosol.classfile.constant.JConstant

CONSTANT_CLASS, CONSTANT_DOUBLE, CONSTANT_FIELDREF, CONSTANT_FLOAT, CONSTANT_INTEGER, CONSTANT_INTERFACE_METHODREF, CONSTANT_LONG, CONSTANT_METHODREF, CONSTANT_NAME_AND_TYPE, CONSTANT_STRING, CONSTANT_UTF8

Constructor Summary

DefaultJConstantDouble()
Default constructor.

DefaultJConstantDouble(double doubleValue)
Creates a new CONSTANT_Double_info entry with the specified double value.

Method Summary

double	getDoubleValue() Returns the value stored in this constant pool entry.
void	pushConstantValue(JStackFrame frame) Pushes the value onto the top of the operand stack of the specified stack frame.
void	readItem(JClassFileInput in) Extracts the data of this constant pool entry from the specified input stream.
void	setDoubleValue(double doubleValue) Sets the double value stored in this constant pool entry with the specified value.
java.lang.String	toString() Returns a string representation of this constant pool entry.
void	writeItem(JClassFileOutput out) Writes the data of this constant pool entry to a classfile via the specified output stream.

Methods inherited from class fr.umlv.corosol.classfile.constant.impl.AbstractJConstant

getConstantPool, getLength, getTag, setConstantPool

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface fr.umlv.corosol.classfile.constant.JConstant

getLength, getTag

Methods inherited from interface fr.umlv.corosol.classfile.JClassFileItem

getConstantPool, setConstantPool

Constructor Detail

DefaultJConstantDouble

public DefaultJConstantDouble()

Default constructor.

DefaultJConstantDouble

public DefaultJConstantDouble(double doubleValue)

Creates a new CONSTANT_Double_info entry with the specified double value.

Parameters:

doubleValue - a double value to be stored in this entry

Method Detail

readItem

public void readItem(JClassFileInput in)
              throws java.io.IOException

Extracts the data of this constant pool entry from the specified input stream.

Specified by:

readItem in interface JClassFileItem

Parameters:

in - a class file input stream

Throws:

java.io.IOException - if an I/O error occurs when reading the datas of this constant pool entry

writeItem

public void writeItem(JClassFileOutput out)
               throws java.io.IOException

Writes the data of this constant pool entry to a classfile via the specified output stream.

Specified by:

writeItem in interface JClassFileItem

Parameters:

out - a class file output stream

Throws:

java.io.IOException - if an I/O error occurs when writing into the classfile

pushConstantValue

public void pushConstantValue(JStackFrame frame)

Pushes the value onto the top of the operand stack of the specified stack frame.

Specified by:

pushConstantValue in interface JLoadableConstant

Parameters:

frame - a stack frame

getDoubleValue

public double getDoubleValue()

Returns the value stored in this constant pool entry.

Specified by:

getDoubleValue in interface JConstantDouble

Returns:

the double value stored in this constant pool entry

setDoubleValue

public void setDoubleValue(double doubleValue)

Sets the double value stored in this constant pool entry with the specified value.

Specified by:

setDoubleValue in interface JConstantDouble

Parameters:

doubleValue - an double value to be stored in this entry

toString

public java.lang.String toString()

Returns a string representation of this constant pool entry.

Specified by:

toString in interface JConstant

Specified by:

toString in class AbstractJConstant

Returns:

a string representing this constant pool entry