001 // $HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/ogcwebservices/wcs/configuration/WCSConfigurationDocument.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.ogcwebservices.wcs.configuration;
037
038 import java.io.IOException;
039 import java.net.URL;
040 import java.util.List;
041
042 import org.deegree.framework.log.ILogger;
043 import org.deegree.framework.log.LoggerFactory;
044 import org.deegree.framework.util.StringTools;
045 import org.deegree.framework.xml.XMLParsingException;
046 import org.deegree.framework.xml.XMLTools;
047 import org.deegree.model.metadata.iso19115.Keywords;
048 import org.deegree.model.metadata.iso19115.OnlineResource;
049 import org.deegree.ogcbase.CommonNamespaces;
050 import org.deegree.ogcbase.OGCException;
051 import org.deegree.ogcwebservices.LonLatEnvelope;
052 import org.deegree.ogcwebservices.MetadataLink;
053 import org.deegree.ogcwebservices.OGCWebServiceException;
054 import org.deegree.ogcwebservices.wcs.CoverageOfferingBrief;
055 import org.deegree.ogcwebservices.wcs.getcapabilities.WCSCapabilitiesDocument;
056 import org.w3c.dom.Element;
057 import org.xml.sax.SAXException;
058
059 /**
060 *
061 *
062 * @version $Revision: 20592 $
063 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
064 * @author last edited by: $Author: rbezema $
065 *
066 * $Revision: 20592 $, $Date: 2009-11-05 13:24:27 +0100 (Do, 05. Nov 2009) $
067 */
068 public class WCSConfigurationDocument extends WCSCapabilitiesDocument {
069
070 private static final long serialVersionUID = -5962651588545478145L;
071
072 protected static final ILogger LOG = LoggerFactory.getLogger( WCSConfigurationDocument.class );
073
074 private static final String PRE_DEEGREE = CommonNamespaces.DEEGREEWCS_PREFIX + ":";
075
076 private static final String PRE_WCS = CommonNamespaces.WCS_PREFIX + ":";
077
078 /**
079 *
080 */
081 public static final String XML_TEMPLATE = "WCSConfigurationTemplate.xml";
082
083 @Override
084 public void createEmptyDocument()
085 throws IOException, SAXException {
086 URL url = WCSConfigurationDocument.class.getResource( XML_TEMPLATE );
087 if ( url == null ) {
088 throw new IOException( "The resource '" + XML_TEMPLATE + " could not be found." );
089 }
090 load( url );
091 }
092
093 /**
094 * creates the deegreeParams section of the WCS capabilities/configuration. If a 'common' WCS capabilities is
095 * encapsulated by the <tt>WCSCapabilitieDocument</tt> this method returns <tt>null</tt>
096 *
097 * @return the data
098 * @throws InvalidConfigurationException
099 */
100 public WCSDeegreeParams getDeegreeParamsSection()
101 throws InvalidConfigurationException {
102 try {
103 Element element = (Element) XMLTools.getRequiredNode( getRootElement(), PRE_DEEGREE + "deegreeParam",
104 nsContext );
105 // if (element == null) {
106 // throw new InvalidConfigurationException( "DeegreeParams section is missing" );
107 // }
108 // OnlineResource defOLR = parseOnLineResource(XMLTools.getRequiredChildElement(
109 // "DefaultOnlineResource", DGRNS, element ));
110 OnlineResource defOLR = parseOnLineResource( (Element) XMLTools.getRequiredNode(
111 element,
112 PRE_DEEGREE
113 + "DefaultOnlineResource",
114 nsContext ) );
115 // String tmp = XMLTools.getStringValue( "CacheSize", DGRNS, element, "100" );
116 int cache = XMLTools.getNodeAsInt( element, PRE_DEEGREE + "CacheSize", nsContext, 100 );
117 // int cache = Integer.parseInt(tmp);
118 // tmp = XMLTools.getStringValue( "RequestTimeLimit", DGRNS, element, "5" );
119 // int timeLimit = Integer.parseInt(tmp);
120 int timeLimit = XMLTools.getNodeAsInt( element, PRE_DEEGREE + "RequestTimeLimit", nsContext, 5 );
121 Element dataDirs = (Element) XMLTools.getRequiredNode( element, PRE_DEEGREE + "DataDirectoryList",
122 nsContext );
123 String[] dirList = XMLTools.getNodesAsStrings( dataDirs, PRE_DEEGREE + "DataDirectory", nsContext );
124 //
125 if ( dirList.length > 0 ) {
126 StringBuffer sb = new StringBuffer( 400 );
127 sb.append( "<DataDirectoryList> evaluation is not suporrrted yet, skipping following dirs:\n" );
128 for ( int i = 0; i < dirList.length; ++i )
129 sb.append( '\t' + dirList[i] + ( ( i + 1 < dirList.length ) ? '\n' : ' ' ) );
130 LOG.logInfo( sb.toString() );
131 }
132 WCSDeegreeParams wcsDP = new WCSDeegreeParams( defOLR, cache, timeLimit, dirList );
133 LOG.logDebug( "(WCSConfig.getDeegreeParamsSection): " + wcsDP );
134 return wcsDP;
135 } catch ( XMLParsingException e ) {
136 String s = e.getMessage();
137 throw new InvalidConfigurationException( "Error while parsing the DeegreeParams "
138 + "Section of the WCS capabilities\n" + s
139 + StringTools.stackTraceToString( e ) );
140 }
141 }
142
143 // /**
144 // * returns an array containing a list of default datadirectories parsed by
145 // * the WCS for coverage configurations
146 // *
147 // * @param element
148 // * @return created array of data directory names
149 // * @throws XMLParsingException
150 // */
151 // private String[] getDirectoryList(Element element ) {
152 // ElementList el = XMLTools.getChildElements( "DataDirectory", DGRNS, element );
153 // String[] dirList = new String[el.getLength()];
154 // for (int i = 0; i < dirList.length; i++) {
155 // dirList[i] = XMLTools.getStringValue(el.item(i));
156 // }
157 // return dirList;
158 // }
159
160 /**
161 * creates a <tt>CoverageOfferingBrief</tt> object from the passed element encapsulating one CoverageOfferingBrief
162 * part of the WCS ContentMetadata section
163 *
164 * @param element
165 * @return created <tt>CoverageOfferingBrief</tt>
166 * @throws XMLParsingException
167 * @throws OGCWebServiceException
168 * @throws OGCException
169 */
170 @Override
171 protected CoverageOfferingBrief parseCoverageOfferingBrief( Element element )
172 throws XMLParsingException, OGCWebServiceException, OGCException {
173 // Element elem = XMLTools.getChildElement( "metadataLink", WCSNS, element );
174 Element elem = (Element) XMLTools.getNode( element, PRE_WCS + "metadataLink", nsContext );
175 MetadataLink mLink = parseMetadataLink( elem );
176 String desc = XMLTools.getNodeAsString( element, PRE_WCS + "description", nsContext, null );
177 // String name = XMLTools.getRequiredStringValue( "name", WCSNS, element );
178 String name = XMLTools.getRequiredNodeAsString( element, PRE_WCS + "name", nsContext );
179 // String label = XMLTools.getRequiredStringValue( "label", WCSNS, element );
180 String label = XMLTools.getRequiredNodeAsString( element, PRE_WCS + "label", nsContext );
181 // elem = XMLTools.getChildElement( "lonLatEnvelope", WCSNS, element );
182 elem = (Element) XMLTools.getNode( element, PRE_WCS + "lonLatEnvelope", nsContext );
183 LonLatEnvelope llEnv = parseLonLatEnvelope( elem );
184 // ElementList el = XMLTools.getChildElements( "keywords", WCSNS, element );
185 List el = XMLTools.getNodes( element, PRE_WCS + "keywords", nsContext );
186 Keywords[] keywords = new Keywords[el.size()];
187 for ( int i = 0; i < el.size(); ++i ) {
188 keywords[i] = parseKeywords( (Element) el.get( i ), WCSNS );
189 }
190 // Keywords[] keywords = parseKeywords(el, WCSNS);
191 String s = XMLTools.getRequiredNodeAsString( element, PRE_DEEGREE + "Configuration", nsContext );
192 URL url = null;
193
194 try {
195 url = resolve( s );
196 } catch ( Exception e ) {
197 throw new XMLParsingException( "<Configuration> element in CoverageOfferingBrief "
198 + "section isn't a valid URL: " + s );
199 }
200
201 return new CoverageOfferingBrief( name, label, desc, mLink, llEnv, keywords, url );
202 }
203
204 }