001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_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 }