001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/portal/standard/sos/configuration/SOSClientConfiguration.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042
043 ---------------------------------------------------------------------------*/
044 package org.deegree.portal.standard.sos.configuration;
045
046 import java.io.InputStreamReader;
047 import java.net.URL;
048 import java.util.HashMap;
049
050 /**
051 * enables access to the configuration parameters of the sos client. Mainly these are the names and
052 * addresses of the sensor observation services to be called
053 *
054 * @author <a href="mailto:che@wupperverband.de.de">Christian Heier</a>
055 * @version 0.1
056 */
057 public class SOSClientConfiguration {
058 private static SOSClientConfiguration conf = null;
059
060 private HashMap<String, URL> sosResources = null;
061
062 /**
063 * Creates a new SOSClientConfiguration object.
064 *
065 * @param sosResources
066 */
067 SOSClientConfiguration( HashMap<String, URL> sosResources ) {
068 this.sosResources = sosResources;
069 }
070
071 /**
072 *
073 *
074 * @param confURL
075 *
076 * @return
077 *
078 * @throws Exception
079 */
080 public synchronized static SOSClientConfiguration getInstance( URL confURL )
081 throws Exception {
082 InputStreamReader isr = new InputStreamReader( confURL.openStream() );
083 conf = ConfigurationFactory.createConfiguration( isr );
084 isr.close();
085
086 return conf;
087 }
088
089 /**
090 *
091 *
092 * @return
093 */
094 public static SOSClientConfiguration getInstance() {
095 if ( conf == null ) {
096 conf = new SOSClientConfiguration( new HashMap<String, URL>() );
097 }
098
099 return conf;
100 }
101
102 /**
103 * returns the address of the submitted sensor observation service
104 */
105 public URL getSOSAddress( String sos ) {
106 return this.sosResources.get( sos );
107 }
108
109 /**
110 * returns the names of the sensor observation services known by the client
111 */
112 public String[] getSOSNames() {
113 return sosResources.keySet().toArray( new String[sosResources.size()] );
114 }
115 }