001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/enterprise/servlet/CSWHarvestingContextListener.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.enterprise.servlet;
037
038 import java.net.URL;
039 import java.util.Arrays;
040 import java.util.Collections;
041 import java.util.List;
042
043 import javax.servlet.ServletContext;
044 import javax.servlet.ServletContextEvent;
045 import javax.servlet.ServletContextListener;
046
047 import org.deegree.framework.log.ILogger;
048 import org.deegree.framework.log.LoggerFactory;
049 import org.deegree.framework.util.WebappResourceResolver;
050 import org.deegree.ogcwebservices.OGCWebServiceException;
051 import org.deegree.ogcwebservices.csw.CSWFactory;
052 import org.deegree.ogcwebservices.csw.capabilities.CatalogueCapabilities;
053 import org.deegree.ogcwebservices.csw.manager.Manager_2_0_0;
054 import org.deegree.ogcwebservices.csw.manager.Manager_2_0_2;
055
056 /**
057 * This class can be used to start up CSW harvesting thread when a servlet context will be
058 * initialized and to free all assigned resources if it will be destroyed.<br>
059 * For this it has to be registered to a servelt context making a <listener> entry to web.xml
060 *
061 * <pre>
062 * <web-app>
063 * <listener>
064 * <listener-class>com.listeners.MyContextListener</listener-class>
065 * </listener>
066 * <servlet>
067 * ...
068 * </servlet>
069 * <servlet-mapping>
070 * ...
071 * </servlet-mapping>
072 * </web-app>
073 * <pre>
074 * @version $Revision: 19475 $
075 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
076 * @author last edited by: $Author: lbuesching $
077 * @version 1.0. $Revision: 19475 $, $Date: 2009-09-02 14:51:48 +0200 (Mi, 02. Sep 2009) $
078 *
079 * @since 2.0
080 *
081 */
082 public class CSWHarvestingContextListener implements ServletContextListener {
083
084 private static final ILogger LOG = LoggerFactory.getLogger( CSWHarvestingContextListener.class );
085
086 /**
087 * @param event
088 */
089 public void contextDestroyed( ServletContextEvent event ) {
090 // Manager.stopAllHarvester();
091 }
092
093 /**
094 * @param event
095 */
096 public void contextInitialized( ServletContextEvent event ) {
097 ServletContext sc = event.getServletContext();
098 String s = sc.getInitParameter( "CSW.config" );
099 if ( s == null ) {
100 s = sc.getInitParameter( "csw.config" );
101 }
102
103 try {
104 URL url = WebappResourceResolver.resolveFileLocation( s, sc, LOG );
105 CSWFactory.setConfiguration( url );
106 } catch ( Exception e ) {
107 LOG.logError( e.getMessage(), e );
108 throw new RuntimeException( Messages.getString( "CSWHarvestingContextListener.ONINIT" ) );
109 }
110
111 String version = "2.0.0";
112 try {
113 if ( CSWFactory.getService().getCapabilities() instanceof CatalogueCapabilities ) {
114 CatalogueCapabilities caps = (CatalogueCapabilities) CSWFactory.getService().getCapabilities();
115 List<String> versions = Arrays.asList( caps.getServiceIdentification().getServiceTypeVersions() );
116 Collections.sort( versions );
117 version = versions.get( versions.size() - 1 );
118 }
119 } catch ( OGCWebServiceException e ) {
120 LOG.logError( Messages.getString( "CSWHarvestingContextListener.ONDETECTINGVERSION" ), e );
121 }
122
123 if ( "2.0.2".equals( version ) ) {
124 Manager_2_0_2.startAllHarvester( version );
125 } else {
126 Manager_2_0_0.startAllHarvester( version );
127 }
128 }
129
130 }