/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
* This code is licensed under the GPL 2.0 license, availible at the root
* application directory.
*/
package org.geoserver.gss.xml;
import java.io.Reader;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import org.geoserver.catalog.Catalog;
import org.geoserver.catalog.NamespaceInfo;
import org.geoserver.config.GeoServer;
import org.geoserver.gss.GetDiffResponseType;
import org.geoserver.gss.PostDiffType;
import org.geoserver.ows.XmlRequestReader;
import org.geoserver.wfs.WFSException;
import org.geotools.util.Version;
import org.geotools.xml.Configuration;
import org.geotools.xml.Parser;
import org.xml.sax.InputSource;
/**
* Xml reader for GSS 1.1.0 xml requests.
*
* @author Justin Deoliveira, The Open Planning Project
* @author Andrea Aime - OpenGeo
*
* TODO: there is too much duplication with the WFS readers, factor it out.
*/
public class GSSXmlReader extends XmlRequestReader {
/**
* Xml Configuration
*/
Configuration configuration;
/**
* Access to the global configuration
*/
GeoServer geoServer;
public GSSXmlReader(String element, GeoServer gs, Configuration configuration) {
super(new QName(GSS.NAMESPACE, element), new Version("1.0.0"), "gss");
this.configuration = configuration;
this.geoServer = gs;
}
public Object read(Object request, Reader reader, Map kvp) throws Exception {
Parser parser = new Parser(configuration);
parser.setValidating(true);
//"inject" namespace mappings
Catalog catalog = geoServer.getCatalog();
List<NamespaceInfo> namespaces = catalog.getNamespaces();
for ( NamespaceInfo ns : namespaces ) {
if ( ns.equals( catalog.getDefaultNamespace() ) )
continue;
parser.getNamespaces().declarePrefix(
ns.getPrefix(), ns.getURI());
}
//set the input source with the correct encoding
InputSource source = new InputSource(reader);
source.setEncoding(geoServer.getGlobal().getCharset());
Object parsed = parser.parse(source);
// unfortunately insert elements in transactions cannot be validated...
if(!(parsed instanceof PostDiffType) && !(parsed instanceof GetDiffResponseType)) {
if (!parser.getValidationErrors().isEmpty()) {
WFSException exception = new WFSException("Invalid request", "InvalidParameterValue");
for (Iterator e = parser.getValidationErrors().iterator(); e.hasNext();) {
Exception error = (Exception) e.next();
exception.getExceptionText().add(error.getLocalizedMessage());
}
throw exception;
}
}
return parsed;
}
}