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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.forms.expression

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Java Document (Java Doc)

org.apache.cocoon.forms.expression .IsNullFunction

IsNullFunction
public class IsNullFunction extends AbstractExpression (Code)
	Returns true if argument is null. version: $Id: IsNullFunction.java 449149 2006-09-23 03:58:05Z crossley $

Method Summary
public void	check()
public Object	evaluate(ExpressionContext context)
public String	getDescription()
public Class	getResultType()

Method Detail

check
public void check() throws ExpressionException(Code)

evaluate
public Object evaluate(ExpressionContext context) throws ExpressionException(Code)

getDescription
public String getDescription()(Code)

getResultType
public Class getResultType()(Code)

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