/*

  * Copyright 2006-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.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.kuali.rice.core.api.config.property.Config;

 import org.kuali.rice.core.api.config.property.ConfigContext;

 import org.kuali.rice.core.api.exception.RiceRuntimeException;

 import org.kuali.rice.core.security.credentials.CredentialsSource;

 import org.kuali.rice.core.security.credentials.CredentialsSourceFactory;

 import org.kuali.rice.ksb.messaging.JavaServiceDefinition;

 import org.kuali.rice.ksb.messaging.RESTServiceDefinition;

 import org.kuali.rice.ksb.messaging.SOAPServiceDefinition;

 import org.kuali.rice.ksb.messaging.ServiceDefinition;

 import org.kuali.rice.ksb.messaging.ServiceInfo;

 /**

  * Constructs a ServiceConnector based on the provided ServiceInfo/ServiceDefinition. Connects that ServiceConnector to the

  * appropriate CredentialsSource.

  * <p>

  * ServiceConnector will fail if a CredentialsSource for the Service Definition cannot be located.

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  * @since 0.9

  * @see ServiceConnector

  * @see ServiceInfo

  * @see ServiceDefinition

  * @see CredentialsSource

  */

 public class ServiceConnectorFactory {

     public static ServiceConnector getServiceConnector(final ServiceInfo serviceInfo) {

         final ServiceDefinition serviceDefinition = serviceInfo.getServiceDefinition();

         final CredentialsSourceFactory credentialsSourceFactory = (CredentialsSourceFactory) ConfigContext.getCurrentContextConfig()

                 .getObjects().get(Config.CREDENTIALS_SOURCE_FACTORY);

         final CredentialsSource credentialsSource = credentialsSourceFactory != null ? credentialsSourceFactory

                 .getCredentialsForType(serviceDefinition.getCredentialsType()) : null;

         ServiceConnector serviceConnector = null;

         if (serviceDefinition.getCredentialsType() != null && credentialsSource == null) {

             throw new RiceRuntimeException(

                     "Service requires credentials but no factory or CredentialsSource could be located.");

         }

         // if set in local mode then preempt any protocol connectors

         if (ConfigContext.getCurrentContextConfig().getDevMode()) {

             serviceConnector = new BusLocalConnector(serviceInfo);

         } else if (serviceDefinition instanceof JavaServiceDefinition) {

             serviceConnector = new HttpInvokerConnector(serviceInfo);

         } else if (serviceDefinition instanceof SOAPServiceDefinition) {

             serviceConnector = new SOAPConnector(serviceInfo);

     } else if (serviceDefinition instanceof RESTServiceDefinition) {

         serviceConnector = new RESTConnector(serviceInfo);

     }

         if (serviceConnector == null) {

             throw new RiceRuntimeException("Don't support service type of " + serviceInfo.getServiceDefinition());

         }

         serviceConnector.setCredentialsSource(credentialsSource);

         return serviceConnector;

     }

 }