/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.ode.bpel.runtime.explang.konst;
import org.apache.ode.bpel.common.FaultException;
import org.apache.ode.bpel.explang.*;
import org.apache.ode.bpel.o.OConstantExpression;
import org.apache.ode.bpel.o.OExpression;
import org.apache.ode.utils.xsd.Duration;
import org.w3c.dom.Node;
import java.util.Calendar;
import java.util.List;
import java.util.Map;
/**
* An implementation of the {@link org.apache.ode.bpel.explang.ExpressionLanguageRuntime} interface
* for constant expressions.
*/
public class KonstExpressionLanguageRuntimeImpl implements ExpressionLanguageRuntime {
public void initialize(Map properties) throws ConfigurationException {
}
public String evaluateAsString(OExpression cexp, EvaluationContext ctx) throws FaultException , EvaluationException {
OConstantExpression konst = (OConstantExpression) cexp;
if (konst.getVal() instanceof String)
return (String) konst.getVal();
throw new TypeCastException(TypeCastException.TYPE_STRING, konst.getVal().toString());
}
public boolean evaluateAsBoolean(OExpression cexp, EvaluationContext ctx) throws FaultException, EvaluationException {
OConstantExpression konst = (OConstantExpression) cexp;
if (konst.getVal() instanceof Boolean)
return ((Boolean)konst.getVal()).booleanValue();
throw new TypeCastException(TypeCastException.TYPE_BOOLEAN, konst.getVal().toString());
}
public Number evaluateAsNumber(OExpression cexp, EvaluationContext ctx) throws FaultException, EvaluationException {
OConstantExpression konst = (OConstantExpression) cexp;
if (konst.getVal() instanceof Number)
return (Number)konst.getVal();
throw new TypeCastException(TypeCastException.TYPE_NUMBER, konst.getVal().toString());
}
public List evaluate(OExpression cexp, EvaluationContext ctx)
throws FaultException, EvaluationException {
OConstantExpression konst = (OConstantExpression) cexp;
if (konst.getVal() instanceof List)
return (List) konst.getVal();
throw new TypeCastException(TypeCastException.TYPE_NODELIST, konst.getVal().toString());
}
public Node evaluateNode(OExpression cexp, EvaluationContext context) throws FaultException, EvaluationException {
OConstantExpression konst = (OConstantExpression) cexp;
if (konst.getVal() instanceof Node)
return (Node) konst.getVal();
throw new TypeCastException(TypeCastException.TYPE_NODE, konst.getVal().toString());
}
public Calendar evaluateAsDate(OExpression cexp, EvaluationContext context)
throws FaultException , EvaluationException {
OConstantExpression konst = (OConstantExpression) cexp;
if (konst.getVal() instanceof Calendar)
return (Calendar) konst.getVal();
throw new TypeCastException(TypeCastException.TYPE_DATE, konst.getVal().toString());
}
public Duration evaluateAsDuration(OExpression cexp, EvaluationContext context)
throws FaultException, EvaluationException {
OConstantExpression konst = (OConstantExpression) cexp;
if (konst.getVal() instanceof Duration)
return (Duration) konst.getVal();
throw new TypeCastException(TypeCastException.TYPE_DURATION, konst.getVal().toString());
}
}