001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/ogcwebservices/wms/GetFeatureInfoHandler.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.ogcwebservices.wms;
037
038 import org.deegree.ogcwebservices.OGCWebServiceException;
039 import org.deegree.ogcwebservices.wms.operation.GetFeatureInfoResult;
040
041 /**
042 * Interface for defining access to GetFeatureInfoHandlers. Default implementation to be used if no
043 * other is specified in deegree WMS configuration is
044 *
045 * @see org.deegree.ogcwebservices.wms.DefaultGetFeatureInfoHandler
046 *
047 * @version $Revision: 18195 $
048 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
049 * @author last edited by: $Author: mschneider $
050 *
051 * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
052 *
053 * @since 1.1
054 */
055 public interface GetFeatureInfoHandler {
056 /**
057 * performs a GetFeatureInfo request and retruns the result encapsulated within a
058 * <tt>WMSFeatureInfoResponse</tt> object.
059 * <p>
060 * The method throws an WebServiceException that only shall be thrown if an fatal error occurs
061 * that makes it imposible to return a result. If something wents wrong performing the request
062 * (none fatal error) The exception shall be encapsulated within the response object to be
063 * returned to the client as requested (GetFeatureInfo-Request EXCEPTION-Parameter).
064 *
065 * @return response to the GetFeatureInfo response
066 * @throws OGCWebServiceException
067 */
068 public abstract GetFeatureInfoResult performGetFeatureInfo()
069 throws OGCWebServiceException;
070 }