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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.webapp;
21  
22  import org.apache.myfaces.tobago.config.TobagoConfig;
23  import org.apache.myfaces.tobago.internal.config.TobagoConfigBuilder;
24  import org.apache.myfaces.tobago.internal.context.ResourceManagerFactory;
25  import org.slf4j.Logger;
26  import org.slf4j.LoggerFactory;
27  
28  import javax.servlet.ServletContext;
29  import javax.servlet.ServletContextEvent;
30  import javax.servlet.ServletContextListener;
31  
32  public class TobagoServletContextListener implements ServletContextListener {
33  
34    private static final Logger LOG = LoggerFactory.getLogger(TobagoServletContextListener.class);
35  
36    public void contextInitialized(ServletContextEvent event) {
37  
38      if (LOG.isInfoEnabled()) {
39        LOG.info("*** contextInitialized ***");
40      }
41  
42      ServletContext servletContext = event.getServletContext();
43  
44      if (servletContext.getAttribute(TobagoConfig.TOBAGO_CONFIG) != null) {
45        LOG.warn("Tobago has been already initialized. Do nothing.");
46        return;
47      }
48  
49      TobagoConfigBuilder.init(servletContext);
50      if (LOG.isInfoEnabled()) {
51        LOG.info("tobago config: " + TobagoConfig.getInstance(servletContext));
52      }
53    }
54  
55    public void contextDestroyed(ServletContextEvent event) {
56      if (LOG.isInfoEnabled()) {
57        LOG.info("*** contextDestroyed ***\n--- snip ---------"
58            + "--------------------------------------------------------------");
59      }
60  
61      ServletContext servletContext = event.getServletContext();
62  
63      servletContext.removeAttribute(TobagoConfig.TOBAGO_CONFIG);
64  
65      ResourceManagerFactory.release(servletContext);
66  
67      //LogFactory.releaseAll();
68  //    LogManager.shutdown();
69    }
70  
71  }