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/*
* 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.tuscany.container.javascript;
import java.lang.reflect.InvocationTargetException;
import org.apache.tuscany.spi.component.WorkContext;
import org.apache.tuscany.spi.component.TargetException;
import org.apache.tuscany.spi.extension.ExecutionMonitor;
import org.apache.tuscany.spi.extension.TargetInvokerExtension;
import org.apache.tuscany.spi.wire.InboundWire;
import org.apache.tuscany.container.javascript.rhino.RhinoScriptInstance;
/**
* Dispatches to a JavaScript implementation instance
*
* @version $$Rev$$ $$Date$$
*/
public class JavaScriptInvoker extends TargetInvokerExtension {
private JavaScriptComponent context;
private String functionName;
public JavaScriptInvoker(String functionName,
JavaScriptComponent context,
InboundWire wire,
WorkContext workContext,
ExecutionMonitor monitor) {
super(wire, workContext, monitor);
this.functionName = functionName;
this.context = context;
}
/**
* Invokes a function on a script instance
*/
public Object invokeTarget(final Object payload, final short sequence) throws InvocationTargetException {
RhinoScriptInstance target = null;
try {
target = context.getTargetInstance();
} catch (TargetException e) {
throw new InvocationTargetException(e);
}
return target.invokeFunction(functionName, (Object[]) payload);
}
}
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