001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/wms/GetFeatureInfoHandler.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2006 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 Aennchenstr. 19
030 53115 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.ogcwebservices.wms;
044
045 import org.deegree.ogcwebservices.OGCWebServiceException;
046 import org.deegree.ogcwebservices.wms.operation.GetFeatureInfoResult;
047
048 /**
049 * Interface for defining access to GetFeatureInfoHandlers. Default implementation to
050 * be used if no other is specified in deegree WMS configuration is
051 * @see org.deegree.ogcwebservices.wms.DefaultGetFeatureInfoHandler
052 *
053 * @version $Revision: 6721 $
054 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
055 * @author last edited by: $Author: mschneider $
056 *
057 * @version 1.0. $Revision: 6721 $, $Date: 2007-04-30 12:15:36 +0200 (Mo, 30 Apr 2007) $
058 *
059 * @since 1.1
060 */
061 public interface GetFeatureInfoHandler {
062 /**
063 * performs a GetFeatureInfo request and retruns the result encapsulated within
064 * a <tt>WMSFeatureInfoResponse</tt> object. <p>
065 * The method throws an WebServiceException that only shall be thrown if an
066 * fatal error occurs that makes it imposible to return a result.
067 * If something wents wrong performing the request (none fatal error) The
068 * exception shall be encapsulated within the response object to be returned
069 * to the client as requested (GetFeatureInfo-Request EXCEPTION-Parameter).
070 *
071 * @return response to the GetFeatureInfo response
072 * @throws OGCWebServiceException
073 */
074 public abstract GetFeatureInfoResult performGetFeatureInfo() throws OGCWebServiceException;
075 }