content: /**
   * 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.activemq.xbean;
  
  import java.beans.PropertyEditorManager;
  import java.net.MalformedURLException;
  import java.net.URI;
  
  import org.apache.activemq.broker.BrokerContextAware;
  import org.apache.activemq.broker.BrokerFactoryHandler;
  import org.apache.activemq.broker.BrokerService;
  import org.apache.activemq.spring.SpringBrokerContext;
  import org.apache.activemq.spring.Utils;
  import org.apache.activemq.util.IntrospectionSupport;
  import org.apache.activemq.util.URISupport;
  import org.apache.xbean.spring.context.ResourceXmlApplicationContext;
  import org.apache.xbean.spring.context.impl.URIEditor;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.BeansException;
  import org.springframework.beans.FatalBeanException;
  import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.ApplicationContextAware;
  import org.springframework.core.io.Resource;
  
  /**
   * 
   */
  public class XBeanBrokerFactory implements BrokerFactoryHandler {
      private static final transient Logger LOG = LoggerFactory.getLogger(XBeanBrokerFactory.class);
  
      static {
          PropertyEditorManager.registerEditor(URI.class, URIEditor.class);
      }
  
      private boolean validate = true;
      public boolean isValidate() {
          return validate;
      }
  
      public void setValidate(boolean validate) {
          this.validate = validate;
      }
  
      public BrokerService createBroker(URI config) throws Exception {
          String uri = config.getSchemeSpecificPart();
          if (uri.lastIndexOf('?') != -1) {
              IntrospectionSupport.setProperties(this, URISupport.parseQuery(uri));
              uri = uri.substring(0, uri.lastIndexOf('?'));
          }
  
          ApplicationContext context = createApplicationContext(uri);
  
          BrokerService broker = null;
          try {
              broker = (BrokerService)context.getBean("broker");
          } catch (BeansException e) {
          }
  
          if (broker == null) {
              // lets try find by type
              String[] names = context.getBeanNamesForType(BrokerService.class);
              for (int i = 0; i < names.length; i++) {
                  String name = names[i];
                  broker = (BrokerService)context.getBean(name);
                  if (broker != null) {
                      break;
                  }
              }
          }
          if (broker == null) {
              throw new IllegalArgumentException("The configuration has no BrokerService instance for resource: " + config);
          }
          
          SpringBrokerContext springBrokerContext = new SpringBrokerContext();
          springBrokerContext.setApplicationContext(context);
          springBrokerContext.setConfigurationUrl(uri);
          broker.setBrokerContext(springBrokerContext);
  
          // TODO warning resources from the context may not be closed down!
  
          return broker;
      }
  
      protected ApplicationContext createApplicationContext(String uri) throws MalformedURLException {
          Resource resource = Utils.resourceFromString(uri);
          LOG.debug("Using " + resource + " from " + uri);
          try {
              return new ResourceXmlApplicationContext(resource) {
                  @Override
                  protected void initBeanDefinitionReader(XmlBeanDefinitionReader reader) {
                      reader.setValidating(isValidate());
                  }
              };
          } catch (FatalBeanException errorToLog) {
              LOG.error("Failed to load: " + resource + ", reason: " + errorToLog.getLocalizedMessage(), errorToLog);
              throw errorToLog;
          }
      }
  
  }
  