001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/standard/sos/configuration/ConfigurationFactory.java $
002
003 /*----------------------------------------------------------------------------
004 This file is part of deegree, http://deegree.org/
005 Copyright (C) 2001-2009 by:
006 Department of Geography, University of Bonn
007 and
008 lat/lon GmbH
009
010 This library is free software; you can redistribute it and/or modify it under
011 the terms of the GNU Lesser General Public License as published by the Free
012 Software Foundation; either version 2.1 of the License, or (at your option)
013 any later version.
014 This library is distributed in the hope that it will be useful, but WITHOUT
015 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
016 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
017 details.
018 You should have received a copy of the GNU Lesser General Public License
019 along with this library; if not, write to the Free Software Foundation, Inc.,
020 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021
022 Contact information:
023
024 lat/lon GmbH
025 Aennchenstr. 19, 53177 Bonn
026 Germany
027 http://lat-lon.de/
028
029 Department of Geography, University of Bonn
030 Prof. Dr. Klaus Greve
031 Postfach 1147, 53001 Bonn
032 Germany
033 http://www.geographie.uni-bonn.de/deegree/
034
035 e-mail: info@deegree.org
036 ----------------------------------------------------------------------------*/
037 package org.deegree.portal.standard.sos.configuration;
038
039 import java.io.FileReader;
040 import java.io.IOException;
041 import java.io.Reader;
042 import java.net.MalformedURLException;
043 import java.net.URI;
044 import java.net.URL;
045 import java.util.HashMap;
046
047 import org.deegree.framework.xml.ElementList;
048 import org.deegree.framework.xml.XMLTools;
049 import org.deegree.ogcbase.CommonNamespaces;
050 import org.w3c.dom.Document;
051 import org.w3c.dom.Element;
052 import org.w3c.dom.Node;
053 import org.xml.sax.SAXException;
054
055 /**
056 * @author <a href="mailto:che@wupperverband.de.de">Christian Heier</a>
057 * @author last edited by: $Author: mschneider $
058 *
059 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
060 */
061 public class ConfigurationFactory {
062 private static final URI SOSNS = CommonNamespaces.buildNSURI( "http://www.deegree.org/sosclient" );
063
064 /**
065 *
066 *
067 * @param confFile
068 *
069 * @return Configuration
070 *
071 * @throws SAXException
072 * @throws IOException
073 * @throws Exception
074 */
075 public static SOSClientConfiguration createConfiguration( String confFile )
076 throws SAXException, IOException, Exception {
077
078 Reader reader = new FileReader( confFile );
079 SOSClientConfiguration conf = createConfiguration( reader );
080 reader.close();
081
082 return conf;
083 }
084
085 /**
086 *
087 *
088 * @param reader
089 *
090 * @return SOSClientConfiguration
091 *
092 * @throws SAXException
093 * @throws IOException
094 * @throws Exception
095 */
096 public static SOSClientConfiguration createConfiguration( Reader reader )
097 throws SAXException, IOException, Exception {
098
099 Document doc = XMLTools.parse( reader );
100
101 // sos descriptions
102 Element element = doc.getDocumentElement();
103 ElementList el = XMLTools.getChildElements( "sos", SOSNS, element );
104 HashMap<String, URL> sosServers = createSOSDesc( el );
105
106 return new SOSClientConfiguration( sosServers );
107 }
108
109 /**
110 * creates a map of sos names and associated online resources
111 */
112 private static HashMap<String, URL> createSOSDesc( ElementList nl )
113 throws MalformedURLException {
114
115 HashMap<String, URL> sosServers = new HashMap<String, URL>();
116
117 for ( int i = 0; i < nl.getLength(); i++ ) {
118 Element element = nl.item( i );
119 Node node = element.getElementsByTagNameNS( SOSNS.toString(), "name" ).item( 0 );
120 String name = node.getFirstChild().getNodeValue();
121 node = element.getElementsByTagNameNS( SOSNS.toString(), "onlineResource" ).item( 0 );
122
123 String tmp = XMLTools.getStringValue( node );
124 sosServers.put( name, new URL( tmp ) );
125 }
126
127 return sosServers;
128 }
129
130 }