001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/portal/portlet/modules/wfs/actions/portlets/AnnotationPortletPerform.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.portal.portlet.modules.wfs.actions.portlets;
037    
038    import java.net.URLDecoder;
039    import java.sql.Connection;
040    import java.sql.Date;
041    import java.sql.Driver;
042    import java.sql.DriverManager;
043    import java.sql.PreparedStatement;
044    import java.sql.SQLException;
045    
046    import javax.servlet.ServletContext;
047    import javax.servlet.http.HttpServletRequest;
048    
049    import org.apache.jetspeed.portal.Portlet;
050    import org.deegree.datatypes.Types;
051    import org.deegree.enterprise.WebUtils;
052    import org.deegree.framework.log.ILogger;
053    import org.deegree.framework.log.LoggerFactory;
054    import org.deegree.framework.util.StringTools;
055    import org.deegree.portal.PortalException;
056    
057    /**
058     *
059     *
060     *
061     * @version $Revision: 18195 $
062     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
063     * @author last edited by: $Author: mschneider $
064     *
065     * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
066     *
067     * @since 2.0
068     */
069    public class AnnotationPortletPerform extends WFSClientPortletPerform {
070    
071        private static final ILogger LOG = LoggerFactory.getLogger( AnnotationPortletPerform.class );
072    
073        /**
074         *
075         * @param request
076         * @param portlet
077         * @param servletContext
078         */
079        public AnnotationPortletPerform( HttpServletRequest request, Portlet portlet, ServletContext servletContext ) {
080            super( request, portlet, servletContext );
081        }
082    
083        /**
084         * performs a transaction against a WFS-T or a database. The backend type to be used by a
085         * transaction depends on a portlets initParameters.
086         *
087         * @param user
088         * @throws PortalException
089         */
090        public void doTransaction( String user )
091                                throws PortalException {
092            if ( getInitParam( "driver" ) != null ) {
093                doDatabaseTransaction( user );
094            } else {
095                // handle transaction against a WFS
096                super.doTransaction();
097            }
098        }
099    
100        /**
101         * performs a direct transaction into a database
102         *
103         * @param data
104         */
105        private void doDatabaseTransaction( String user )
106                                throws PortalException {
107    
108            Connection con = null;
109            LOG.logDebug( "connecting database for insert ... " );
110            try {
111                Driver drv = (Driver) Class.forName( getInitParam( "driver" ) ).newInstance();
112                DriverManager.registerDriver( drv );
113    
114                con = DriverManager.getConnection( getInitParam( "url" ), getInitParam( "user" ), getInitParam( "password" ) );
115            } catch ( SQLException e ) {
116                LOG.logError( "could not establish database connection: " + getInitParam( "url" ), e );
117                throw new PortalException( "could not establish database connection: " + getInitParam( "url" ), e );
118            } catch ( Exception e ) {
119                LOG.logError( "could not initialize driver class: " + getInitParam( "driver" ), e );
120                throw new PortalException( "could not initialize driver class: " + getInitParam( "driver" ), e );
121            }
122    
123            PreparedStatement stmt = null;
124            try {
125                if ( "INSERT".equals( parameter.get( "OPERATION" ) ) ) {
126                    String sql = createGeometryFragment( getInitParam( "SQLInsertTemplate" ) );
127                    stmt = con.prepareStatement( sql );
128                    LOG.logDebug( "perform insert " + sql );
129                } else {
130                    throw new PortalException( "not a supported Operation: " + parameter.get( "OPERATION" ) );
131                }
132                stmt.setDate( 1, new Date( System.currentTimeMillis() ) );
133    
134                String charset = WebUtils.readCharsetFromContentType( request );
135    
136                String title = (String) parameter.get( "TITLE" );
137                if ( title == null ) {
138                    stmt.setNull( 2, Types.VARCHAR );
139                } else {
140                    stmt.setString( 2, URLDecoder.decode( title, charset ) );
141                }
142                String annotation = (String) parameter.get( "ANNOTATION" );
143                if ( annotation == null ) {
144                    stmt.setNull( 3, Types.VARCHAR );
145                } else {
146                    stmt.setString( 3, URLDecoder.decode( annotation, charset ) );
147                }
148                String category = (String) parameter.get( "CATEGORY" );
149                if ( category == null ) {
150                    stmt.setNull( 4, Types.NUMERIC );
151                } else {
152                    stmt.setInt( 4, -1 );
153                }
154    
155                stmt.setString( 5, user );
156                // annotation location
157                stmt.execute();
158            } catch ( SQLException e ) {
159                try {
160                    stmt.close();
161                } catch ( Exception e1 ) {
162                }
163                try {
164                    con.close();
165                } catch ( Exception e1 ) {
166                }
167                LOG.logError( "could not perform insert operation ", e );
168                throw new PortalException( "could not perform insert operation ", e );
169            } catch ( Exception e ) {
170                e.printStackTrace();
171                LOG.logError( "could not tranform geometry", e );
172                throw new PortalException( "could not tranform geometry", e );
173            }
174    
175        }
176    
177        /**
178         *
179         * @return
180         */
181        private String createGeometryFragment( String sql ) {
182            sql = StringTools.replace( sql, "$SRID", getInitParam( "srid" ), false );
183            sql = StringTools.replace( sql, "$X", (String) parameter.get( "X" ), false );
184            sql = StringTools.replace( sql, "$Y", (String) parameter.get( "Y" ), false );
185    
186            return sql;
187        }
188    }