/*
    * Copyright 2007 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 1.0 (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.opensource.org/licenses/ecl1.php
    *
   * 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.kuali.rice.ksb.messaging.serviceconnectors;
  
  import org.apache.cxf.endpoint.Client;
  import org.apache.cxf.frontend.ClientProxy;
  import org.apache.cxf.transport.http.HTTPConduit;
  import org.apache.cxf.transports.http.configuration.HTTPClientPolicy;
  import org.apache.log4j.Logger;
  import org.kuali.rice.ksb.messaging.ServiceInfo;
  import org.kuali.rice.ksb.service.KSBServiceLocator;
  
  /**
   * Abstract superclass for CXF http client based service connectors.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public abstract class AbstractCxfClientServiceConnector extends AbstractServiceConnector {
  	
  	private static final Logger LOG = Logger.getLogger(AbstractCxfClientServiceConnector.class);
  	private static final String HTTP_CLIENT_POLICY_BEAN = "httpClientPolicy";
  	
  	public AbstractCxfClientServiceConnector(ServiceInfo serviceInfo) {
  		super(serviceInfo);
  	}
  	
  	/**
  	 * This method sets the client policy.  It assumes this is a CXF web client
  	 * and uses the configured httpClientPolicy bean (if one exists).
  	 * @param service
  	 */
  	@Override
  	protected void applyClientPolicy(Object service) {
  		// set http client policy
  		HTTPClientPolicy policy = 
  			(HTTPClientPolicy)KSBServiceLocator.getService(HTTP_CLIENT_POLICY_BEAN);
  		if (policy != null) {
  			try {
  				Client cl = ClientProxy.getClient(service);
  				((HTTPConduit)cl.getConduit()).setClient(policy);
  			} catch (Exception e) {
  				LOG.warn("unable to set HTTP client policy", e);
  			}
  		}
  
  		super.applyClientPolicy(service);
  	}
  	
  }