/* Licensed 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.activiti.spring;
import java.net.URL;
import java.util.Map;
import java.util.logging.Logger;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.ProcessEngine;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;
import org.springframework.core.io.UrlResource;
/**
* @author Tom Baeyens
*/
public class SpringConfigurationHelper {
private static Logger log = Logger.getLogger(SpringConfigurationHelper.class.getName());
public static ProcessEngine buildProcessEngine(URL resource) {
log.fine("==== BUILDING SPRING APPLICATION CONTEXT AND PROCESS ENGINE =========================================");
ApplicationContext applicationContext = new GenericXmlApplicationContext(new UrlResource(resource));
Map<String, ProcessEngine> beansOfType = applicationContext.getBeansOfType(ProcessEngine.class);
if ( (beansOfType==null)
|| (beansOfType.isEmpty())
) {
throw new ActivitiException("no "+ProcessEngine.class.getName()+" defined in the application context "+resource.toString());
}
ProcessEngine processEngine = beansOfType.values().iterator().next();
log.fine("==== SPRING PROCESS ENGINE CREATED ==================================================================");
return processEngine;
}
}