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package com.sun.enterprise.jbi.serviceengine.bridge.transport;

import com.sun.xml.ws.api.WSBinding;
import com.sun.xml.ws.api.message.Message;
import com.sun.xml.ws.api.message.Packet;
import com.sun.xml.ws.api.model.wsdl.WSDLPort;
import com.sun.xml.ws.api.pipe.Pipe;
import com.sun.xml.ws.api.pipe.PipeCloner;
import com.sun.xml.ws.api.pipe.helper.AbstractPipeImpl;

import javax.xml.namespace.QName;
import java.net.URL;

/**
 * This is the main Pipe that is used by JAX-WS client runtime to sendRequest the 
 * request to the service and return the response back to the client.
 *  
 * 
 * @author Vikas Awasthi
 */
public class JBITransportPipe extends AbstractPipeImpl {

    //private Codec codec;
    private URL wsdlLocation;
    private QName service;
    private WSDLPort wsdlPort;

    public JBITransportPipe(WSBinding binding, 
                            URL wsdlLocation, 
                            QName service, 
                            WSDLPort wsdlPort) {
        /*
        StreamSOAPCodec xmlEnvCodec =
            Codecs.createSOAPEnvelopeXmlCodec(binding.getSOAPVersion());
        codec = Codecs.createSOAPBindingCodec(binding, xmlEnvCodec);
         */
        this.wsdlLocation = wsdlLocation;
        this.service = service;
        this.wsdlPort = wsdlPort;
    }

    private JBITransportPipe(Pipe that, PipeCloner cloner) {
        super(that, cloner);
    }

    public Packet process(Packet request) {
        try {
            // TODO get the oneway flag from the message
//            Boolean isOneway = request.getMessage().isOneWay(wSDLPort);
            boolean isOneWay = !request.expectReply;
            
            QName operation = request.getMessage().getOperation(wsdlPort).getName();
            String endpointName = wsdlPort.getName().getLocalPart();
            NMRClientConnection con =
                    new NMRClientConnection(wsdlLocation, service, endpointName, operation, isOneWay);

            con.initialize();
            con.sendRequest(request.getMessage());

            Message respMsg = con.receiveResponse();
            Packet reply = request.createResponse(respMsg);
            if(!isOneWay) {
                con.sendStatus();
            }

            return reply;
        } catch(Exception wex) {
            RuntimeException ex = new RuntimeException(wex.getMessage());
            ex.setStackTrace(wex.getStackTrace());
            throw ex;
        } 
    }

    public Pipe copy(PipeCloner cloner) {
        return new JBITransportPipe(this, cloner);
    }
}