001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/enterprise/servlet/AbstractOWServiceHandler.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstraße 19
030 53177 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042 ---------------------------------------------------------------------------*/
043 package org.deegree.enterprise.servlet;
044
045 import java.io.OutputStream;
046
047 import javax.servlet.http.HttpServletResponse;
048
049 import org.deegree.framework.log.ILogger;
050 import org.deegree.framework.log.LoggerFactory;
051 import org.deegree.framework.xml.XMLFragment;
052 import org.deegree.ogcwebservices.ExceptionReport;
053 import org.deegree.ogcwebservices.OGCWebServiceException;
054 import org.deegree.owscommon.XMLFactory;
055
056 /**
057 * This class provides methods that are common to all services that comply to the OWS Common
058 * Implementation Specification 0.3.0.
059 * <p>
060 * At the moment, the only implemented functionality allows the sending of exception reports to the
061 * client, but in the future this may be extended by providing a method that sends responses to
062 * GetCapabilities requests.
063 * </p>
064 *
065 * @author <a href="mailto:schneider@lat-lon.de">Markus Schneider </a>
066 *
067 * @author last edited by: $Author: aschmitz $
068 *
069 * @version 2.0, $Revision: 9499 $, $Date: 2008-01-09 16:47:04 +0100 (Mi, 09 Jan 2008) $
070 *
071 * @since 2.0
072 */
073 abstract class AbstractOWServiceHandler implements ServiceDispatcher {
074
075 // private static final String RESPONSE_TYPE = "application/vnd.ogc.se_xml";
076 private static final String RESPONSE_TYPE = "text/xml";
077
078 private static ILogger LOG = LoggerFactory.getLogger( AbstractOWServiceHandler.class );
079
080 /**
081 * Sends an exception report to the client. The exception report complies to the OWS Common
082 * Implementation Specification 0.3.0.
083 *
084 * @param httpResponse
085 * @param serviceException
086 */
087 public void sendException( HttpServletResponse httpResponse, OGCWebServiceException serviceException ) {
088
089 ExceptionReport report = new ExceptionReport( new OGCWebServiceException[] { serviceException } );
090 try {
091 httpResponse.setContentType( RESPONSE_TYPE );
092 XMLFragment reportDocument = XMLFactory.export( report );
093 OutputStream os = httpResponse.getOutputStream();
094 reportDocument.write( os );
095 os.close();
096 } catch ( Exception e ) {
097 LOG.logError( "Error sending exception report: ", e );
098 }
099
100 }
101
102 /**
103 * Sends an exception report to the client. The exception report complies to the OWS Common
104 * Implementation Specification 0.3.0.
105 *
106 * @param httpResponse
107 * @param serviceException
108 */
109 public void sendException( HttpServletResponse httpResponse, Exception serviceException ) {
110
111 OGCWebServiceException ogc = new OGCWebServiceException( serviceException.getMessage() );
112
113 ExceptionReport report = new ExceptionReport( new OGCWebServiceException[] { ogc } );
114 try {
115 httpResponse.setContentType( RESPONSE_TYPE );
116 XMLFragment reportDocument = XMLFactory.export( report );
117 OutputStream os = httpResponse.getOutputStream();
118 reportDocument.write( os );
119 os.close();
120 } catch ( Exception e ) {
121 LOG.logError( "Error sending exception report: ", e );
122 }
123
124 }
125
126 /**
127 * @param response
128 * @param exception
129 */
130 public void sendExceptionReport( HttpServletResponse response, Exception exception ) {
131 OGCWebServiceException ogc;
132 if ( exception instanceof OGCWebServiceException ) {
133 ogc = (OGCWebServiceException) exception;
134 } else {
135 ogc = new OGCWebServiceException( exception.getMessage() );
136 }
137
138 ExceptionReport report = new ExceptionReport( new OGCWebServiceException[] { ogc } );
139 try {
140 response.setContentType( RESPONSE_TYPE );
141 XMLFragment reportDocument = XMLFactory.exportExceptionReport( report );
142 OutputStream os = response.getOutputStream();
143 reportDocument.prettyPrint( os );
144 os.close();
145 } catch ( Exception e ) {
146 LOG.logError( "Error sending exception report: ", e );
147 }
148 }
149
150 }