001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/io/IODocument.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     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.io;
044    
045    import java.net.MalformedURLException;
046    
047    import org.deegree.framework.util.CharsetUtils;
048    import org.deegree.framework.xml.XMLFragment;
049    import org.deegree.framework.xml.XMLParsingException;
050    import org.deegree.framework.xml.XMLTools;
051    import org.w3c.dom.Element;
052    
053    /**
054     * This class provides method for reading IO configuration elements that are common to several
055     * services/applications.
056     * 
057     * @version $Revision: 9342 $
058     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
059     * @author last edited by: $Author: apoth $
060     * 
061     * @version 1.0. $Revision: 9342 $, $Date: 2007-12-27 13:32:57 +0100 (Do, 27 Dez 2007) $
062     * 
063     * @since 2.0
064     */
065    public class IODocument extends XMLFragment {
066    
067        private static final long serialVersionUID = -8166238044553562735L;
068    
069        /**
070         * @param element
071         */
072        public IODocument( Element element ) {
073            super( element );
074        }
075    
076        /**
077         * parses a JDBCConnection element and returns the object representation
078         * 
079         * @return a jdbc connection object
080         * @throws XMLParsingException
081         */
082        public JDBCConnection parseJDBCConnection()
083                                throws XMLParsingException {
084            JDBCConnection connection = null;
085    
086            Element connectionElement = this.getRootElement();
087            if ( connectionElement != null ) {
088                String driver = XMLTools.getRequiredNodeAsString( connectionElement, "dgjdbc:Driver/text()", nsContext );
089                String logon = XMLTools.getRequiredNodeAsString( connectionElement, "dgjdbc:Url/text()", nsContext );
090                // following code handles the relative paths in the configuration of a hsql datatore,
091                // which was configured with the semi variable ${docRoot}, which actually is a
092                // stringconstant :-)
093                if ( logon.contains( "hsqldb" ) && logon.contains( "${docRoot}" ) ) {
094                    String filename = logon.substring( logon.lastIndexOf( "${docRoot}" ) + "${docRoot}".length() );
095                    int firstSlash = filename.indexOf( '/' );
096                    if ( firstSlash != -1 && firstSlash == 0 ) {
097                        filename = filename.substring( 1 );
098                    }
099                    LOG.logDebug( "found filename: " + filename );
100                    String extension = ".script";
101                    try {
102                        filename = resolve( filename + extension ).toExternalForm();
103                    } catch ( MalformedURLException e ) {
104                        e.printStackTrace();
105                    }
106                    filename = filename.substring( 0, filename.indexOf( extension ) );
107                    LOG.logDebug( "resolved filename: " + filename );
108                    logon = "jdbc:hsqldb:" + filename;
109                }
110    
111                String user = XMLTools.getNodeAsString( connectionElement, "dgjdbc:User/text()", nsContext, null );
112                String password = XMLTools.getNodeAsString( connectionElement, "dgjdbc:Password/text()", nsContext, null );
113                String securityConstraints = XMLTools.getNodeAsString( connectionElement,
114                                                                       "dgjdbc:SecurityConstraints/text()", nsContext, null );
115                String encoding = XMLTools.getNodeAsString( connectionElement, "dgjdbc:Encoding/text()", nsContext,
116                                                            CharsetUtils.getSystemCharset() );
117                String aliasPrefix = XMLTools.getNodeAsString( connectionElement, "dgjdbc:AliasPrefix/text()", nsContext,
118                                                               null );
119                String sdeDatabase = XMLTools.getNodeAsString( connectionElement, "dgjdbc:SDEDatabase/text()", nsContext,
120                                                               null );
121                String sdeVersion = XMLTools.getNodeAsString( connectionElement, "dgjdbc:SDEVersion/text()", nsContext,
122                                                              null );
123                connection = new JDBCConnection( driver, logon, user, password, securityConstraints, encoding, aliasPrefix,
124                                                 sdeDatabase, sdeVersion );
125            }
126            return connection;
127        }
128    
129    }