?? astnot.java
字號(hào):
/*
* Copyright (C) 2007 Sun Microsystems, Inc. All rights reserved. Use is
* subject to license terms.
*
*//* Generated By:JJTree: Do not edit this line. AstNot.java */
package org.jdesktop.el.impl.parser;
import org.jdesktop.el.ELContext;
import org.jdesktop.el.ELException;
import org.jdesktop.el.impl.lang.EvaluationContext;
/**
* @author Jacob Hookom [jacob@hookom.net]
* @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: kchung $
*/
public final class AstNot extends SimpleNode {
public AstNot(int id) {
super(id);
}
public Class getType(EvaluationContext ctx)
throws ELException {
return Boolean.class;
}
public Object getValue(EvaluationContext ctx)
throws ELException {
Object obj = this.children[0].getValue(ctx);
if (obj == ELContext.UNRESOLVABLE_RESULT) {
return ELContext.UNRESOLVABLE_RESULT;
}
Boolean b = coerceToBoolean(obj);
return Boolean.valueOf(!b.booleanValue());
}
}
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