/*
 * 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.ws.axis2;

import org.apache.axiom.om.OMElement;
import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
import org.apache.tuscany.sca.host.http.ServletHost;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.provider.ServiceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
import org.oasisopen.sca.ServiceRuntimeException;

public class Axis2ServiceBindingProvider implements ServiceBindingProvider {

    private RuntimeComponent component;
    private RuntimeComponentService service;
    private WebServiceBinding wsBinding;
    
    private Axis2ServiceProvider axisProvider;

    public Axis2ServiceBindingProvider(RuntimeEndpoint endpoint,
                                       ServletHost servletHost,
                                       FactoryExtensionPoint modelFactories,
                                       DataBindingExtensionPoint dataBindings) {

        if (servletHost == null) {
            throw new ServiceRuntimeException("No Servlet host is avaible for HTTP web services");
        }

        MessageFactory messageFactory = modelFactories.getFactory(MessageFactory.class); 
        this.wsBinding = (WebServiceBinding)endpoint.getBinding();
        this.component = (RuntimeComponent)endpoint.getComponent();
        this.service = (RuntimeComponentService)endpoint.getService();

        // A WSDL document should always be present in the binding
        if (wsBinding.getWSDLDocument() == null) {
            throw new ServiceRuntimeException("No WSDL document for " + component.getName() + "/" + service.getName());
        }
        
        // Set to use the Axiom data binding
        InterfaceContract contract = wsBinding.getBindingInterfaceContract();
        contract.getInterface().resetDataBinding(OMElement.class.getName());

        axisProvider = new Axis2ServiceProvider(endpoint, component, service, wsBinding, servletHost, messageFactory, modelFactories);
    }

    public void start() {
        axisProvider.start();                                          
    }

    public void stop() {
        axisProvider.stop();
    }

    public InterfaceContract getBindingInterfaceContract() {
        return wsBinding.getBindingInterfaceContract();
    }

    public boolean supportsOneWayInvocation() {
        return true;
    }

}