001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/tools/wms/WFS2WMS.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.tools.wms;
037
038 import static org.deegree.i18n.Messages.getMessage;
039
040 import java.io.File;
041 import java.io.FileOutputStream;
042 import java.net.URL;
043 import java.util.ArrayList;
044 import java.util.HashMap;
045 import java.util.List;
046 import java.util.Map;
047 import java.util.Properties;
048
049 import org.deegree.datatypes.QualifiedName;
050 import org.deegree.framework.log.ILogger;
051 import org.deegree.framework.log.LoggerFactory;
052 import org.deegree.framework.util.ColorUtils;
053 import org.deegree.framework.xml.NamespaceContext;
054 import org.deegree.framework.xml.XMLFragment;
055 import org.deegree.framework.xml.XMLParsingException;
056 import org.deegree.framework.xml.XMLTools;
057 import org.deegree.framework.xml.XSLTDocument;
058 import org.deegree.graphics.sld.AbstractLayer;
059 import org.deegree.graphics.sld.NamedLayer;
060 import org.deegree.graphics.sld.StyleFactory;
061 import org.deegree.graphics.sld.StyledLayerDescriptor;
062 import org.deegree.graphics.sld.UserStyle;
063 import org.deegree.ogcbase.CommonNamespaces;
064 import org.deegree.ogcwebservices.getcapabilities.InvalidCapabilitiesException;
065 import org.deegree.ogcwebservices.wfs.capabilities.WFSCapabilities;
066 import org.deegree.ogcwebservices.wfs.capabilities.WFSCapabilitiesDocument;
067 import org.deegree.ogcwebservices.wfs.capabilities.WFSFeatureType;
068 import org.w3c.dom.Node;
069
070 /**
071 * Creates a deegree WMS configuration document or a Layer section from a WFS capabilities document.
072 * The datasource type for each layer will be LOCALWFS. Also a style with random color(s) will be
073 * created, assigned to the layers and stored in a xml document named $OUTFILE_BASE$_styles.xml.
074 * TODO support for usage of an already existing WMS configuration document TODO determine geometry
075 * types of the feature types registered within the wfs capabilities document
076 *
077 *
078 * @version $Revision: 18195 $
079 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
080 * @author last edited by: $Author: mschneider $
081 *
082 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
083 *
084 */
085 public class WFS2WMS {
086
087 private static NamespaceContext nsc = CommonNamespaces.getNamespaceContext();
088
089 private ILogger LOG = LoggerFactory.getLogger( WFS2WMS.class );
090
091 private URL xsl = WFS2WMS.class.getResource( "wfs2wms.xsl" );
092
093 private Properties prop = null;
094
095 /**
096 * Create an instance with given properties
097 *
098 * @param prop
099 * to use
100 */
101 public WFS2WMS( Properties prop ) {
102 this.prop = prop;
103 }
104
105 /**
106 * @param node
107 * to retrieve the minimum x value from.
108 * @return the minimum y value or -180 if not found
109 */
110 public static double getMinX( Node node ) {
111 double v = -180;
112 try {
113 String s = XMLTools.getNodeAsString( node, ".", nsc, "-180 -90" );
114 String[] t = s.split( " " );
115 v = Double.parseDouble( t[0] );
116 } catch ( XMLParsingException e ) {
117 e.printStackTrace();
118 }
119 return v;
120 }
121
122 /**
123 * @param node
124 * to retrieve the minimum y value from.
125 * @return the maximum y value or -90 if not found
126 */
127 public static double getMinY( Node node ) {
128 double v = -90;
129 try {
130 String s = XMLTools.getNodeAsString( node, ".", nsc, "-180 -90" );
131 String[] t = s.split( " " );
132 v = Double.parseDouble( t[1] );
133 } catch ( XMLParsingException e ) {
134 e.printStackTrace();
135 }
136 return v;
137 }
138
139 /**
140 * @param node
141 * to retrieve the maximum x value from.
142 * @return the maximum x value or 180 if not found
143 */
144 public static double getMaxX( Node node ) {
145 double v = 180;
146 try {
147 String s = XMLTools.getNodeAsString( node, ".", nsc, "180 90" );
148 String[] t = s.split( " " );
149 v = Double.parseDouble( t[0] );
150 } catch ( XMLParsingException e ) {
151 e.printStackTrace();
152 }
153 return v;
154 }
155
156 /**
157 * @param node
158 * to retrieve the maximum y value from.
159 * @return the maximum y value or 90 if not found
160 */
161 public static double getMaxY( Node node ) {
162 double v = 90;
163 try {
164 String s = XMLTools.getNodeAsString( node, ".", nsc, "180 90" );
165 String[] t = s.split( " " );
166 v = Double.parseDouble( t[1] );
167 } catch ( XMLParsingException e ) {
168 e.printStackTrace();
169 }
170 return v;
171 }
172
173 /**
174 * append all required namespace definition to the root element
175 *
176 * @param xml
177 * @return
178 * @throws InvalidCapabilitiesException
179 */
180 private XMLFragment addNamespaces( XMLFragment wms, WFSCapabilities capa ) {
181 WFSFeatureType[] fts = capa.getFeatureTypeList().getFeatureTypes();
182 for ( int i = 0; i < fts.length; i++ ) {
183 QualifiedName qn = fts[i].getName();
184 XMLTools.appendNSBinding( wms.getRootElement(), qn.getPrefix(), qn.getNamespace() );
185 }
186 return wms;
187 }
188
189 /**
190 * creates a style for each feature type registered in a WFS capabilities document
191 *
192 * @param wfs
193 * @return
194 */
195 private List<UserStyle> createStyles( WFSCapabilities capa ) {
196 List<UserStyle> styles = new ArrayList<UserStyle>();
197 Map<QualifiedName, Integer> types = determineGeometryType( capa );
198
199 WFSFeatureType[] fts = capa.getFeatureTypeList().getFeatureTypes();
200
201 UserStyle st = null;
202 for ( int i = 0; i < fts.length; i++ ) {
203 QualifiedName qn = fts[i].getName();
204 int type = types.get( qn );
205 switch ( type ) {
206 case 1: {
207 st = (UserStyle) StyleFactory.createPointStyle( "square", ColorUtils.getRandomColor( false ),
208 ColorUtils.getRandomColor( false ), 1, 1, 10, 10, 0,
209 Double.MAX_VALUE );
210 break;
211 }
212 case 2: {
213 st = (UserStyle) StyleFactory.createLineStyle( ColorUtils.getRandomColor( false ), 4, 1, 0,
214 Double.MAX_VALUE );
215 break;
216 }
217
218 case 3: {
219 st = (UserStyle) StyleFactory.createPolygonStyle( ColorUtils.getRandomColor( false ), 1,
220 ColorUtils.getRandomColor( false ), 1, 1, 0,
221 Double.MAX_VALUE );
222 break;
223 }
224 }
225 st.setName( "default:" + qn.getPrefixedName() );
226 styles.add( st );
227 }
228
229 return styles;
230 }
231
232 /**
233 *
234 * @param styles
235 * @return
236 */
237 private StyledLayerDescriptor createSLD( List<UserStyle> styles ) {
238
239 UserStyle[] us = styles.toArray( new UserStyle[styles.size()] );
240 NamedLayer nl = new NamedLayer( "defaultstyle", null, us );
241 return new StyledLayerDescriptor( new AbstractLayer[] { nl }, "1.0.0" );
242
243 }
244
245 /**
246 * returns the geometry type of each feature type registered within the passed WFS capabilities
247 * document<br>
248 * <ul>
249 * <li>1 = point or multi point
250 * <li>2 = curve or multi curve
251 * <li>3 = surface or multi surface
252 * </ul>
253 *
254 * @param capa
255 * @return
256 */
257 private Map<QualifiedName, Integer> determineGeometryType( WFSCapabilities capa ) {
258
259 Map<QualifiedName, Integer> types = new HashMap<QualifiedName, Integer>();
260
261 WFSFeatureType[] fts = capa.getFeatureTypeList().getFeatureTypes();
262 for ( int i = 0; i < fts.length; i++ ) {
263 QualifiedName qn = fts[i].getName();
264 // TODO
265 // get real geometry type
266 types.put( qn, 3 );
267 }
268
269 return types;
270 }
271
272 /**
273 * Run the conversion
274 *
275 * @throws Exception
276 */
277 public void run()
278 throws Exception {
279
280 String out = prop.getProperty( "-outFile" );
281 File file = new File( out );
282 int pos = file.getName().lastIndexOf( '.' );
283 String styleDoc = file.getName().substring( 0, pos ) + "_styles.xml";
284
285 HashMap<String, String> param = new HashMap<String, String>();
286 param.put( "PARENTLAYER", prop.getProperty( "-parentLayer" ) );
287 param.put( "MINX", prop.getProperty( "-minx" ) );
288 param.put( "MINY", prop.getProperty( "-miny" ) );
289 param.put( "MAXX", prop.getProperty( "-maxx" ) );
290 param.put( "MAXY", prop.getProperty( "-maxy" ) );
291 param.put( "SRS", prop.getProperty( "-srs" ) );
292 if ( "true".equals( prop.getProperty( "-full" ) ) ) {
293 param.put( "WMSCAPS", "1" );
294 }
295 param.put( "STYLEDOC", styleDoc );
296
297 LOG.logInfo( "XSLT-parameter: ", param );
298
299 XSLTDocument outXSLSheet = new XSLTDocument();
300 outXSLSheet.load( xsl );
301
302 file = new File( prop.getProperty( "-wfsCaps" ) );
303 param.put( "WFSCAPS", file.toURL().toExternalForm() );
304 XMLFragment doc = new XMLFragment();
305 doc.load( file.toURL() );
306
307 XMLFragment resultDocument = outXSLSheet.transform( doc, null, null, param );
308
309 WFSCapabilitiesDocument wfsdoc = new WFSCapabilitiesDocument();
310 wfsdoc.setRootElement( doc.getRootElement() );
311 WFSCapabilities capa = (WFSCapabilities) wfsdoc.parseCapabilities();
312
313 resultDocument = addNamespaces( resultDocument, capa );
314
315 List<UserStyle> styles = createStyles( capa );
316 StyledLayerDescriptor sld = createSLD( styles );
317
318 String s = prop.getProperty( "-outFile" ).replace( ".xml", "_styles.xml" );
319 file = new File( s );
320 FileOutputStream fos = new FileOutputStream( file );
321 fos.write( sld.exportAsXML().getBytes() );
322 fos.close();
323
324 file = new File( prop.getProperty( "-outFile" ) );
325 fos = new FileOutputStream( file );
326 resultDocument.write( fos );
327 fos.close();
328 }
329
330 private static void validate( Properties map )
331 throws Exception {
332 if ( map.get( "-parentLayer" ) == null ) {
333 throw new Exception( getMessage( "WFS2WMS.validate_2" ) );
334 }
335 if ( map.get( "-minx" ) != null ) {
336 Double.parseDouble( map.getProperty( "-minx" ) );
337 } else {
338 map.put( "-minx", "-180" );
339 }
340 if ( map.get( "-miny" ) != null ) {
341 Double.parseDouble( map.getProperty( "-miny" ) );
342 } else {
343 map.put( "-miny", "-90" );
344 }
345 if ( map.get( "-maxx" ) != null ) {
346 Double.parseDouble( map.getProperty( "-maxx" ) );
347 } else {
348 map.put( "-maxx", "180" );
349 }
350 if ( map.get( "-maxy" ) != null ) {
351 Double.parseDouble( map.getProperty( "-maxy" ) );
352 } else {
353 map.put( "-maxy", "90" );
354 }
355 if ( map.get( "-srs" ) == null ) {
356 map.put( "-srs", "EPSG:4326" );
357 }
358 if ( map.get( "-wfsCaps" ) == null ) {
359 throw new Exception( getMessage( "WFS2WMS.validate_0" ) );
360 }
361 if ( map.get( "-outFile" ) == null ) {
362 throw new Exception( getMessage( "WFS2WMS.validate_1" ) );
363 }
364 }
365
366 /**
367 * @param args
368 * @throws Exception
369 * if the conversion could not be fulfilled
370 */
371 public static void main( String[] args )
372 throws Exception {
373
374 Properties map = new Properties();
375 for ( int i = 0; i < args.length; i += 2 ) {
376 System.out.println( args[i + 1] );
377 map.put( args[i], args[i + 1] );
378 }
379
380 try {
381 validate( map );
382 } catch ( Exception e ) {
383 System.out.println( "!!! E R R O R !!!" );
384 System.out.println( e.getMessage() );
385 System.out.println( "----------------------------------------------------" );
386 System.out.println( getMessage( "WFS2WMS.parentLayer" ) );
387 System.out.println( getMessage( "WFS2WMS.wfsCaps" ) );
388 System.out.println( getMessage( "WFS2WMS.outFile" ) );
389 return;
390 }
391
392 WFS2WMS wfs2wms = new WFS2WMS( map );
393 wfs2wms.run();
394
395 }
396
397 }