Thanks for all Andrea. It worked. Cheers. Jose
aaime wrote: > > josegar74 ha scritto: >> Hi, >> >> I'm parsing a filter like this with geotools >> >> <ogc:Filter xmlns:ogc="http://www.opengis.net/ogc"> >> <ogc:PropertyIsEqualTo> >> <ogc:Literal>TRUE</ogc:Literal> >> <ogc:Function name="During"> >> ... >> </ogc:Function> >> </ogc:PropertyIsEqualTo> >> </ogc:Filter> >> >> >> using next code >> >> Parser parser; >> >> // create the parser with the filter 1.1 configuration >> Configuration configuration = new >> org.geotools.filter.v1_1.OGCConfiguration(); >> >> configuration.getProperties().add(Parser.Properties.PARSE_UNKNOWN_ELEMENTS); >> >> configuration.getProperties().add(Parser.Properties.PARSE_UNKNOWN_ATTRIBUTES); >> >> parser = new Parser(configuration); >> >> Filter filter = (Filter) parser.parse(data); >> >> but I'm getting the next Exception >> >> java.lang.RuntimeException: Parsing failed for Function: >> java.lang.RuntimeException: Unable to find function During >> at org.geotools.xml.impl.ParseExecutor.visit(ParseExecutor.java:158) >> at >> org.geotools.xml.impl.BindingWalker$BindingExecutionChain.execute(BindingWalker.java:208) >> at org.geotools.xml.impl.BindingWalker.walk(BindingWalker.java:174) >> at >> org.geotools.xml.impl.ElementHandlerImpl.endElement(ElementHandlerImpl.java:222) >> at >> org.geotools.xml.impl.ParserHandler.endElement(ParserHandler.java:582) >> at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown >> Source) >> at >> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown >> Source) >> at >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown >> Source) >> at >> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown >> Source) >> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) >> at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) >> at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) >> at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) >> at org.geotools.xml.Parser.parse(Parser.java:180) >> at org.geotools.xml.Parser.parse(Parser.java:140) >> >> >> I think I have to implement a During class that extends >> FunctionExpressionImpl, but the problem is ¿how to register this class in >> geotools so parser doesnt fails? > > You have to register it in the SPI. If you look in the gt-main module > sources you'll see that in META-INF there is a text file that lists > the functions contained in the main module. > You have to do the same in your module, add a file in the same location, > with the same name, but listing the names of your functions. > > See here: > http://svn.osgeo.org/geotools/branches/2.5.x/modules/library/main/src/main/resources/META-INF/services/org.opengis.filter.expression.Function > > Cheers > Andrea > > > -- > Andrea Aime > OpenGeo - http://opengeo.org > Expert service straight from the developers. > > ------------------------------------------------------------------------------ > Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, > CA > -OSBC tackles the biggest issue in open source: Open Sourcing the > Enterprise > -Strategies to boost innovation and cut costs with open source > participation > -Receive a $600 discount off the registration fee with the source code: > SFAD > http://p.sf.net/sfu/XcvMzF8H > _______________________________________________ > Geotools-gt2-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users > > -- View this message in context: http://n2.nabble.com/Unable-to-find-function-when-parsing-OCG-Filter-tp2351982p2352231.html Sent from the geotools-gt2-users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Geotools-gt2-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
