org.w3c.tools.resources
Class DoubleAttribute

java.lang.Object
  |
  +--org.w3c.tools.resources.Attribute
        |
        +--org.w3c.tools.resources.DoubleAttribute

public class DoubleAttribute
extends Attribute

The generic description of an DoubleAttribute.

See Also:
Serialized Form

Fields inherited from class org.w3c.tools.resources.Attribute
COMPUTED, DONTSAVE, EDITABLE, flags, MANDATORY, name, type
 
Constructor Summary
DoubleAttribute(java.lang.String name, java.lang.Double def, int 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.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,
                       int 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 ?
Parameters:
obj - The object to test.
Returns:
A boolean true if okay.
Throws:
IllegalAttributeAccess - If the provided value doesn't pass the test.
Overrides:
checkValue in class Attribute

getPickleLength

public final int getPickleLength(java.lang.Object value)
Get the number of bytes required to save that attribute value.
Parameters:
The - value about to be pickled.
Returns:
The number of bytes needed to pickle that value.
Overrides:
getPickleLength in class Attribute

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.
Parameters:
out - The output stream to pickle to.
obj - The object to pickle.
Throws:
java.io.IOException - If some IO error occured.
Overrides:
pickle in class Attribute

unpickle

public final java.lang.Object unpickle(java.io.DataInputStream in)
                                throws java.io.IOException
Unpickle an integer from the given input stream.
Parameters:
in - The input stream to unpickle from.
Returns:
An instance of Double.
Throws:
java.io.IOException - If some IO error occured.
Overrides:
unpickle in class Attribute