com.gridsystems.beanfilter
Class NullValue

java.lang.Object
  com.gridsystems.beanfilter.EvalValue
      com.gridsystems.beanfilter.NullValue

public class NullValue
extends EvalValue

Value that represents a null value.

Version:

1.0

Author:

Xmas

Field Summary

Fields inherited from class com.gridsystems.beanfilter.EvalValue

BOOLEAN, COLLECTION, NUMBER, STRING, UNKNOWN, VOID

Constructor Summary

NullValue(Token token)
Creates a new instance.

Method Summary

java.lang.Class<?>	getClassValue(java.lang.Class<?> parentClass)
java.lang.Object	getValue(java.lang.Object parentValues) Gets the value.
java.lang.String	toString()

Methods inherited from class com.gridsystems.beanfilter.EvalValue

getCharPos, getLinePos

Methods inherited from class java.lang.Object

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

Constructor Detail

NullValue

public NullValue(Token token)

Creates a new instance.

Parameters:

token - The token

Method Detail

getValue

public java.lang.Object getValue(java.lang.Object parentValues)
                          throws EvalException

Gets the value.

Specified by:

getValue in class EvalValue

Parameters:

parentValues - The data source

Returns:

The value

Throws:

EvalException - FTR005: Unknown field path

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getClassValue

public java.lang.Class<?> getClassValue(java.lang.Class<?> parentClass)
                                 throws EvalException

Specified by:

getClassValue in class EvalValue

Parameters:

parentClass - Parent Class

Returns:

Return the Java Class that represents or null if it is unknown.

Throws:

EvalException - If an error occurs