001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/csw/manager/Transaction.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    
044    package org.deegree.ogcwebservices.csw.manager;
045    
046    import java.util.List;
047    import java.util.Map;
048    
049    import org.deegree.framework.log.ILogger;
050    import org.deegree.framework.log.LoggerFactory;
051    import org.deegree.framework.xml.NamespaceContext;
052    import org.deegree.framework.xml.XMLException;
053    import org.deegree.framework.xml.XMLParsingException;
054    import org.deegree.framework.xml.XMLTools;
055    import org.deegree.i18n.Messages;
056    import org.deegree.ogcbase.CommonNamespaces;
057    import org.deegree.ogcbase.ExceptionCode;
058    import org.deegree.ogcwebservices.AbstractOGCWebServiceRequest;
059    import org.deegree.ogcwebservices.InvalidParameterValueException;
060    import org.deegree.ogcwebservices.OGCWebServiceException;
061    import org.deegree.ogcwebservices.csw.CSWPropertiesAccess;
062    import org.deegree.ogcwebservices.csw.discovery.GetRecordByIdDocument;
063    import org.w3c.dom.Element;
064    
065    /**
066     * A Transaction defines an atomic unit of work and is a container for one or more insert, update
067     * and/or delete actions.
068     * 
069     * 
070     * @version $Revision: 9345 $
071     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
072     * @author last edited by: $Author: apoth $
073     * 
074     * @version $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
075     * 
076     */
077    public class Transaction extends AbstractOGCWebServiceRequest {
078    
079        private static final long serialVersionUID = -4393029325052150570L;
080    
081        protected static final ILogger LOG = LoggerFactory.getLogger( Transaction.class );
082        
083        private static NamespaceContext nsContext = CommonNamespaces.getNamespaceContext();
084    
085        private List<Operation> operations = null;
086    
087        private boolean verboseResponse = false;
088        
089        /**
090         * creates a Transaction object from its XML representation defined in OGC CS-W 2.0.0
091         * specification
092         * @param id uniquely identifies the given request
093         * 
094         * @param root the root of the xml-encoded transaction request
095         * @return a Transaction with the values taken form the XML-Document.
096         * @throws OGCWebServiceException if the Transaction could not be created
097         */
098        public static final Transaction create( String id, Element root )
099                                throws OGCWebServiceException {
100            
101            String version = null;
102            try {
103                // first try to read verdsion attribute which is optional for CSW 2.0.0 and 2.0.1
104                version = XMLTools.getNodeAsString( root, "./@version", nsContext, null );
105            } catch ( XMLParsingException e ) {
106    
107            }
108            if ( version == null ) {
109                // if no version attribute has been set try mapping namespace URI to a version;
110                // this is not well defined for 2.0.0 and 2.0.1 which uses the same namespace.
111                // in this case 2.0.0 will be returned!
112                version = CSWPropertiesAccess.getString( root.getNamespaceURI() );
113            }
114            
115            
116            // read class for version depenging parsing of Transaction request from properties 
117            String className = CSWPropertiesAccess.getString( "Transaction" + version );
118            Class clzz = null;
119            try {
120                clzz = Class.forName( className );
121            } catch ( ClassNotFoundException e ) {
122                LOG.logError( e.getMessage(), e );
123                throw new InvalidParameterValueException( e.getMessage(), e );
124            }
125            TransactionDocument document = null;
126            try {
127                document = (TransactionDocument) clzz.newInstance();
128            } catch ( InstantiationException e ) {
129                LOG.logError( e.getMessage(), e );
130                throw new InvalidParameterValueException( e.getMessage(), e );
131            } catch ( IllegalAccessException e ) {
132                LOG.logError( e.getMessage(), e );
133                throw new InvalidParameterValueException( e.getMessage(), e );
134            }
135    
136            document.setRootElement( root );
137            
138            try {            
139                return document.parse( id );
140            } catch ( XMLException e ) {
141                String msg = Messages.getMessage( "CSW_ERROR_WHILE_PARSING_TRANSACTION", e.getMessage() );
142                LOG.logError( msg, e );
143                throw new OGCWebServiceException( msg, ExceptionCode.INVALID_FORMAT  );
144            } catch ( XMLParsingException e ) {
145                String msg = Messages.getMessage( "CSW_ERROR_WHILE_PARSING_TRANSACTION", e.getMessage() );
146                LOG.logError( msg, e );
147                throw new OGCWebServiceException( msg, ExceptionCode.INVALID_FORMAT  );
148            }
149        }
150    
151        /**
152         * 
153         * @param version
154         * @param id
155         * @param vendorSpecificParameter
156         * @param operations 
157         * @param verboseResponse 
158         */
159        public Transaction( String version, String id, Map<String, String> vendorSpecificParameter,
160                    List<Operation> operations, boolean verboseResponse ) {
161            super( version, id, vendorSpecificParameter );
162            this.operations = operations;
163            this.verboseResponse = verboseResponse;
164        }
165    
166        /**
167         * @return the name of the service; always CSW
168         */
169        public String getServiceName() {
170            return "CSW";
171        }
172    
173        /**
174         * The verboseResponseattribute is a boolean that may be used by a client to indicate to a
175         * server the amount of detail to generate in the rsponse. A value of FALSE means that a CSW
176         * should generate a terse or brief transaction response. A value of TRUE, or the absence of the
177         * attribute, means that the normal detailed transaction response should be generated.
178         * 
179         * @return true if the response should be verbose
180         */
181        public boolean verboseResponse() {
182            return verboseResponse;
183        }
184    
185        /**
186         * returns all operations being part of a transaction
187         * 
188         * @return all operations being part of a transaction
189         */
190        public List<Operation> getOperations() {
191            return operations;
192        }
193    }