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* $Header: /cvsroot/xena/xena/src/org/jaxen/expr/DefaultPlusExpr.java,v 1.2 2009/12/10 03:18:14 matthewoliver Exp $
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* $Date: 2009/12/10 03:18:14 $
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* ====================================================================
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* Copyright 2000-2002 bob mcwhirter & James Strachan.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the Jaxen Project nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Jaxen Project and was originally
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* created by bob mcwhirter <bob@werken.com> and
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* James Strachan <jstrachan@apache.org>. For more information on the
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* Jaxen Project, please see <http://www.jaxen.org/>.
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* $Id: DefaultPlusExpr.java,v 1.2 2009/12/10 03:18:14 matthewoliver Exp $
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package org.jaxen.expr;
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import org.jaxen.Context;
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import org.jaxen.JaxenException;
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import org.jaxen.function.NumberFunction;
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class DefaultPlusExpr extends DefaultAdditiveExpr
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private static final long serialVersionUID = -1426954461146769374L;
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DefaultPlusExpr(Expr lhs,
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public String getOperator()
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public Object evaluate(Context context) throws JaxenException
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Number lhsValue = NumberFunction.evaluate( getLHS().evaluate( context ),
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context.getNavigator() );
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Number rhsValue = NumberFunction.evaluate( getRHS().evaluate( context ),
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context.getNavigator() );
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double result = lhsValue.doubleValue() + rhsValue.doubleValue();
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return new Double( result );