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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.sca.binding.corba.impl;
import org.apache.tuscany.sca.binding.corba.CorbaBinding;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.omg.CORBA.Any;
import org.omg.CORBA.Request;
import org.omg.CosNaming.NamingContextExt;
import org.omg.CosNaming.NamingContextExtHelper;
import org.osoa.sca.ServiceRuntimeException;
/**
* @version $Rev$ $Date$
*/
public class CorbaInvoker implements Invoker {
private Operation operation;
private CorbaBinding binding;
public CorbaInvoker(CorbaBinding binding, Operation operation) {
super();
this.binding = binding;
this.operation = operation;
}
/**
* @see org.apache.tuscany.sca.invocation.Invoker#invoke(org.apache.tuscany.sca.invocation.Message)
*/
public Message invoke(Message msg) {
try {
org.omg.CORBA.ORB orb = initORB(binding.getHost(), String.valueOf(binding.getPort()));
org.omg.CORBA.Object service = orb.string_to_object(binding.getURI());
// get the root naming context
org.omg.CORBA.Object objRef = orb.resolve_initial_references("NameService");
// Use NamingContextExt instead of NamingContext. This is
// part of the Interoperable Naming Service.
NamingContextExt ncRef = NamingContextExtHelper.narrow(objRef);
// resolve the Object Reference in Naming
org.omg.CORBA.Object impl = ncRef.resolve_str(binding.getURI());
String op = operation.getName();
Request req = impl._request(op);
Any any = req.add_in_arg();
return null;
} catch (Exception e) {
throw new ServiceRuntimeException(e);
}
}
private org.omg.CORBA.ORB initORB(String host, String port) {
java.util.Properties props = new java.util.Properties();
props.put("org.omg.CORBA.ORBInitialHost", host);
props.put("org.omg.CORBA.ORBInitialPort", port);
org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(new String[0], props);
return orb;
}
}
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