org.w3c.tools.resources.upgrade
Class DoubleAttribute

java.lang.Object
  org.w3c.tools.resources.upgrade.Attribute
      org.w3c.tools.resources.upgrade.DoubleAttribute

All Implemented Interfaces:

java.io.Serializable

public class DoubleAttribute
extends Attribute

The generic description of an DoubleAttribute.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.w3c.tools.resources.upgrade.Attribute

COMPUTED, DONTSAVE, EDITABLE, flags, MANDATORY, name, type

Constructor Summary

DoubleAttribute(java.lang.String name, java.lang.Double def, java.lang.Integer flags)
Create a description for a generic Double attribute.

Method Summary

boolean	checkValue(java.lang.Object obj) Is the given object a valid DoubleAttribute value ?
int	getPickleLength(java.lang.Object value) Get the number of bytes required to save that attribute value.
void	pickle(java.io.DataOutputStream out, java.lang.Object d) Pickle an double to the given output stream.
java.lang.Object	unpickle(java.io.DataInputStream in) Unpickle an integer from the given input stream.

Methods inherited from class org.w3c.tools.resources.upgrade.Attribute

checkFlag, getDefault, getName, getType, stringify

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleAttribute

public DoubleAttribute(java.lang.String name,
                       java.lang.Double def,
                       java.lang.Integer flags)

Create a description for a generic Double attribute.

Parameters:

name - The attribute name.

def - The default value for these attributes.

flags - The associated flags.

Method Detail

checkValue

public boolean checkValue(java.lang.Object obj)

Is the given object a valid DoubleAttribute value ?

Specified by:

checkValue in class Attribute

Parameters:

obj - The object to test.

Returns:

A boolean true if okay.

Throws:

IllegalAttributeAccess - If the provided value doesn't pass the test.

getPickleLength

public final int getPickleLength(java.lang.Object value)

Get the number of bytes required to save that attribute value.

Specified by:

getPickleLength in class Attribute

Parameters:

The - value about to be pickled.

Returns:

The number of bytes needed to pickle that value.

pickle

public final void pickle(java.io.DataOutputStream out,
                         java.lang.Object d)
                  throws java.io.IOException

Pickle an double to the given output stream.

Specified by:

pickle in class Attribute

Parameters:

out - The output stream to pickle to.

obj - The object to pickle.

Throws:

java.io.IOException - If some IO error occured.

unpickle

public final java.lang.Object unpickle(java.io.DataInputStream in)
                                throws java.io.IOException

Unpickle an integer from the given input stream.

Specified by:

unpickle in class Attribute

Parameters:

in - The input stream to unpickle from.

Returns:

An instance of Double.

Throws:

java.io.IOException - If some IO error occured.