org.jace.parser.attribute

Class ConstantValueAttribute

java.lang.Object

org.jace.parser.attribute.ConstantValueAttribute

All Implemented Interfaces:

Attribute

public class ConstantValueAttribute
extends Object
implements Attribute

A ConstantValueAttribute represents a constant value for a static ClassField. A ConstantValueAttribute may represent any constant type.

Author:

Toby Reyelts, Gili Tzabari

Constructor Summary

Constructors

Constructor and Description
ConstantValueAttribute(InputStream stream, int nameIndex, ConstantPool pool) Creates a new ConstantValueAttribute.

Method Summary

Methods

Modifier and Type	Method and Description
int	getLength() Returns the length of this Attribute.
String	getName() Returns the name of this attribute.
Constant	getValue() Returns the Constant that represents the value of this ConstantValueAttribute.
String	toString()
void	write(DataOutputStream output) Writes the Attribute out in class file format.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ConstantValueAttribute

public ConstantValueAttribute(InputStream stream,
                      int nameIndex,
                      ConstantPool pool)
                       throws IOException

Creates a new ConstantValueAttribute.

Parameters:

stream - the stream to read from

nameIndex - the attribute index in the constant pool

pool - the constant pool to read from

Throws:

IOException - if an I/O error occurs while reading the attribute

Method Detail

getName

public String getName()

Description copied from interface: Attribute

Returns the name of this attribute. For example, "ConstantValue".

Specified by:

getName in interface Attribute

Returns:

the attribute name

getValue

public Constant getValue()

Returns the Constant that represents the value of this ConstantValueAttribute. Based on the type of the ClassField this ConstantValueAttribute belongs to, the Constant may be one of the following: long - LongConstant float - FloatConstant double - DoubleConstant int, short, char, byte, boolean - IntegerConstant String - StringConstant

Returns:

the Constant that represents the value of this ConstantValueAttribute

getLength

public int getLength()

Returns the length of this Attribute.

Returns:

the length of this Attribute

write

public void write(DataOutputStream output)
           throws IOException

Description copied from interface: Attribute

Writes the Attribute out in class file format.

Specified by:

write in interface Attribute

Parameters:

output - the stream to write to

Throws:

IOException - if an I/O error occurs while writing to the stream

toString

public String toString()

Overrides:

toString in class Object