001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/enterprise/servlet/AbstractOWServiceHandler.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.enterprise.servlet;
037
038 import java.io.OutputStream;
039
040 import javax.servlet.http.HttpServletResponse;
041
042 import org.deegree.framework.log.ILogger;
043 import org.deegree.framework.log.LoggerFactory;
044 import org.deegree.framework.xml.XMLFragment;
045 import org.deegree.ogcwebservices.ExceptionReport;
046 import org.deegree.ogcwebservices.OGCWebServiceException;
047 import org.deegree.owscommon.XMLFactory;
048
049 /**
050 * This class provides methods that are common to all services that comply to the OWS Common
051 * Implementation Specification 0.3.0.
052 * <p>
053 * At the moment, the only implemented functionality allows the sending of exception reports to the
054 * client, but in the future this may be extended by providing a method that sends responses to
055 * GetCapabilities requests.
056 * </p>
057 *
058 * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
059 *
060 * @author last edited by: $Author: mschneider $
061 *
062 * @version 2.0, $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
063 *
064 * @since 2.0
065 */
066 abstract class AbstractOWServiceHandler implements ServiceDispatcher {
067
068 // private static final String RESPONSE_TYPE = "application/vnd.ogc.se_xml";
069 private static final String RESPONSE_TYPE = "text/xml";
070
071 private static ILogger LOG = LoggerFactory.getLogger( AbstractOWServiceHandler.class );
072
073 /**
074 * Sends an exception report to the client. The exception report complies to the OWS Common
075 * Implementation Specification 0.3.0.
076 *
077 * @param httpResponse
078 * @param serviceException
079 */
080 public void sendException( HttpServletResponse httpResponse, OGCWebServiceException serviceException ) {
081
082 ExceptionReport report = new ExceptionReport( new OGCWebServiceException[] { serviceException } );
083 try {
084 httpResponse.setContentType( RESPONSE_TYPE );
085 XMLFragment reportDocument = XMLFactory.export( report );
086 OutputStream os = httpResponse.getOutputStream();
087 reportDocument.write( os );
088 os.close();
089 } catch ( Exception e ) {
090 LOG.logError( "Error sending exception report: ", e );
091 }
092
093 }
094
095 /**
096 * Sends an exception report to the client. The exception report complies to the OWS Common
097 * Implementation Specification 0.3.0.
098 *
099 * @param httpResponse
100 * @param serviceException
101 */
102 public void sendException( HttpServletResponse httpResponse, Exception serviceException ) {
103
104 OGCWebServiceException ogc = new OGCWebServiceException( serviceException.getMessage() );
105
106 ExceptionReport report = new ExceptionReport( new OGCWebServiceException[] { ogc } );
107 try {
108 httpResponse.setContentType( RESPONSE_TYPE );
109 XMLFragment reportDocument = XMLFactory.export( report );
110 OutputStream os = httpResponse.getOutputStream();
111 reportDocument.write( os );
112 os.close();
113 } catch ( Exception e ) {
114 LOG.logError( "Error sending exception report: ", e );
115 }
116
117 }
118
119 /**
120 * @param response
121 * @param exception
122 */
123 public void sendExceptionReport( HttpServletResponse response, Exception exception ) {
124 OGCWebServiceException ogc;
125 if ( exception instanceof OGCWebServiceException ) {
126 ogc = (OGCWebServiceException) exception;
127 } else {
128 ogc = new OGCWebServiceException( exception.getMessage() );
129 }
130
131 ExceptionReport report = new ExceptionReport( new OGCWebServiceException[] { ogc } );
132 try {
133 response.setContentType( RESPONSE_TYPE );
134 XMLFragment reportDocument = XMLFactory.exportExceptionReport( report );
135 OutputStream os = response.getOutputStream();
136 reportDocument.prettyPrint( os );
137 os.close();
138 } catch ( Exception e ) {
139 LOG.logError( "Error sending exception report: ", e );
140 }
141 }
142
143 }