/******************************************************************************* * Copyright (c) 2001, 2005 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.jem.internal.proxy.initParser; import org.eclipse.jem.internal.proxy.common.MethodHelper; /* */ public class NullLiteral extends Expression { public NullLiteral(){ } /** * evaluate method comment. */ public Object evaluate() { return null; } /** * evaluate method comment. */ public Class getTypeClass(){ return MethodHelper.NULL_TYPE; } protected String getTypeClassName() { return MethodHelper.NULL_TYPE.getName(); } /** * true or false cannot consume any kind of expression so we must return null */ public Expression push(char[] token , char delimiter){ return null; } public boolean isComplete(){ return true; } /** * Null is not primitive */ public boolean isPrimitive() { return false; } }