/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.data.wfs.v1_1_0.parsers;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.charset.Charset;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.opengis.ows10.ExceptionReportType;
import net.opengis.ows10.ExceptionType;
import org.eclipse.emf.ecore.EObject;
import org.geotools.data.wfs.WFSDataStore;
import org.geotools.data.wfs.protocol.wfs.WFSException;
import org.geotools.data.wfs.protocol.wfs.WFSProtocol;
import org.geotools.data.wfs.protocol.wfs.WFSResponse;
import org.geotools.data.wfs.protocol.wfs.WFSResponseParser;
import org.geotools.data.wfs.v1_1_0.WFS_1_1_0_DataStore;
import org.geotools.data.wfs.v1_1_0.WFS_1_1_0_Protocol;
import org.geotools.util.logging.Logging;
import org.geotools.wfs.v1_1.WFSConfiguration;
import org.geotools.xml.Parser;
/**
* A WFS response parser that parses server exception reports into {@link WFSException} objects.
*
* @author Gabriel Roldan (OpenGeo)
* @version $Id$
* @since 2.6
*
*
*
* @source $URL$
* http://gtsvn.refractions.net/trunk/modules/plugin/wfs/src/main/java/org/geotools/data
* /wfs/v1_1_0/parsers/ExceptionReportParser.java $
*/
@SuppressWarnings( { "nls", "unchecked" })
public class ExceptionReportParser implements WFSResponseParser {
private static final Logger LOGGER = Logging.getLogger("org.geotools.data.wfs");
/**
* @param wfs
* the {@link WFSDataStore} that sent the request
* @param response
* a response handle to a service exception report
* @return a {@link WFSException} containing the server returned exception report messages
* @see WFSResponseParser#parse(WFSProtocol, WFSResponse)
*/
public Object parse(WFS_1_1_0_DataStore wfs, WFSResponse response) {
WFSConfiguration configuration = new WFSConfiguration();
Parser parser = new Parser(configuration);
InputStream responseStream = response.getInputStream();
Charset responseCharset = response.getCharacterEncoding();
Reader reader = new InputStreamReader(responseStream, responseCharset);
Object parsed;
try {
parsed = parser.parse(reader);
if (!(parsed instanceof net.opengis.ows10.ExceptionReportType)) {
return new IOException("Unrecognized server error");
}
} catch (Exception e) {
return new WFSException("Exception parsing server exception report", e);
}
net.opengis.ows10.ExceptionReportType report = (ExceptionReportType) parsed;
List<ExceptionType> exceptions = report.getException();
EObject originatingRequest = response.getOriginatingRequest();
StringBuilder msg = new StringBuilder("WFS returned an exception.");
msg.append(" Target URL: " + response.getTargetUrl());
if (originatingRequest != null) {
try {
ByteArrayOutputStream out = new ByteArrayOutputStream();
WFS_1_1_0_Protocol.encode(originatingRequest, configuration, out, Charset
.forName("UTF-8"));
String requestStr = out.toString("UTF-8");
msg.append(". Originating request is: \n").append(requestStr).append("\n");
} catch (Exception e) {
LOGGER.log(Level.FINE, "Error encoding request for exception report", e);
}
}
WFSException result = new WFSException(msg.toString());
for (ExceptionType ex : exceptions) {
result.addExceptionReport(String.valueOf(ex.getExceptionText()));
}
return result;
}
}