Package org.apache.yoko.bindings.corba

Source Code of org.apache.yoko.bindings.corba.CorbaDSIServant

/**
* 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.yoko.bindings.corba;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.transport.MessageObserver;

import org.apache.schemas.yoko.bindings.corba.BindingType;
import org.omg.CORBA.ORB;
import org.omg.CORBA.ServerRequest;
import org.omg.PortableServer.DynamicImplementation;
import org.omg.PortableServer.POA;

public class CorbaDSIServant extends DynamicImplementation {

    private static final Logger LOG = LogUtils.getL7dLogger(CorbaDSIServant.class);
    private ORB orb;
    private POA servantPOA;   
    private List<String> interfaces;
    private MessageObserver incomingObserver;
    private CorbaDestination destination;
   
    public CorbaDSIServant() {
        //Complete
    }
   
    public void init(ORB theOrb,
                           POA poa,
                           CorbaDestination dest,
                           MessageObserver observer) {
        orb = theOrb;
        servantPOA = poa;
        destination = dest;
        incomingObserver = observer;
      
        // Get the list of interfaces that this servant will support
        try {               
            BindingType bindType = destination.getBindingInfo().getExtensor(BindingType.class);           
            if (bindType == null) {
                throw new CorbaBindingException("Unable to determine corba binding information");
            }

            List<String> bases = bindType.getBases();
            interfaces = new ArrayList<String>();
            interfaces.add(bindType.getRepositoryID());
            for (Iterator<String> iter = bases.iterator(); iter.hasNext();) {
                interfaces.add(iter.next());
            }
        } catch (java.lang.Exception ex) {
            LOG.log(Level.SEVERE, "Couldn't initialize the corba DSI servant");
            throw new CorbaBindingException(ex);
        }
    }

    protected MessageObserver getObserver() {
        return incomingObserver;
    }
   
    protected void setObserver(MessageObserver observer) {
        incomingObserver = observer;
    }
   
    protected ORB getOrb() {
        return orb;
    }

    public CorbaDestination getDestination() {
        return destination;
    }
   
    public void invoke(ServerRequest request) throws CorbaBindingException {
        MessageImpl msgImpl = new MessageImpl();
        msgImpl.setDestination(getDestination());
        Exchange exg = new ExchangeImpl();
        exg.put(String.class, request.operation());
        exg.put(ORB.class, getOrb());
        exg.put(ServerRequest.class, request);
        msgImpl.setExchange(exg);
              
        // invokes the interceptors       
        getObserver().onMessage(msgImpl);             
    }
      
    public String[] _all_interfaces(POA poa, byte[] objectId) {
        return interfaces.toArray(new String[interfaces.size()]);
    }

    public POA _default_POA() {
        return servantPOA;
    }
}
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