/**
*
* Copyright 2005 LogicBlaze, Inc. http://www.logicblaze.com
*
* Licensed 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.servicemix.components.script;
import org.servicemix.expression.Expression;
import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.NormalizedMessage;
import javax.jbi.messaging.MessagingException;
import javax.script.CompiledScript;
import javax.script.ScriptContext;
import javax.script.ScriptException;
/**
* An {@link Expression} implementation using
* <a href="http://servicemix.org/JSR+223">JSR 223</a> to allow any scripting language to be used as an expression
* language.
*
* @version $Revision: 236 $
*/
public class ScriptExpression implements Expression {
private CompiledScript compiledScript;
public Object evaluate(MessageExchange exchange, NormalizedMessage message) throws MessagingException {
try {
/** TODO */
ScriptContext namespace = null;
return compiledScript.eval(namespace);
}
catch (ScriptException e) {
throw new MessagingException(e);
}
}
}