001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/csw/manager/XMLFactory.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.csw.manager;
044    
045    import java.net.URI;
046    import java.util.List;
047    
048    import org.deegree.framework.log.ILogger;
049    import org.deegree.framework.log.LoggerFactory;
050    import org.deegree.framework.xml.XMLException;
051    import org.deegree.framework.xml.XMLParsingException;
052    import org.deegree.framework.xml.XMLTools;
053    import org.deegree.model.filterencoding.Filter;
054    import org.deegree.ogcbase.CommonNamespaces;
055    import org.deegree.ogcwebservices.OGCWebServiceException;
056    import org.deegree.ogcwebservices.wfs.operation.transaction.TransactionResponse;
057    import org.w3c.dom.Document;
058    import org.w3c.dom.Element;
059    import org.w3c.dom.Node;
060    
061    /**
062     * 
063     * @version $Revision: 7903 $
064     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
065     * @author last edited by: $Author: apoth $
066     * 
067     * @version $Revision: 7903 $, $Date: 2007-08-06 10:23:40 +0200 (Mo, 06 Aug 2007) $
068     * 
069     */
070    public class XMLFactory {
071        
072        private static ILogger LOG = LoggerFactory.getLogger( XMLFactory.class );
073    
074        private static final URI CSWNS = CommonNamespaces.CSWNS;
075    
076        /**
077         * @return a XML representation of a {@link Transaction} object
078         * 
079         * @param transaction
080         * @throws XMLParsingException
081         * @throws XMLException
082         * @throws OGCWebServiceException
083         */
084        public static final TransactionDocument export( Transaction transaction ) throws XMLParsingException,
085                                                                                 OGCWebServiceException {
086    
087            TransactionDocument transDoc = new TransactionDocument();
088            try {
089                transDoc.createEmptyDocument();
090            } catch ( Exception e ) {
091                throw new XMLParsingException( e.getMessage() );
092            }
093    
094            transDoc.getRootElement().setAttribute( "service", "CSW" );
095            String version = transaction.getVersion();
096            if( version == null || "".equals( version.trim() ) ){
097                version = "2.0.0";
098            }
099            transDoc.getRootElement().setAttribute( "version", version );
100            transDoc.getRootElement().setAttribute( "verboseResponse", "" + transaction.verboseResponse() );
101    
102            List<Operation> ops = transaction.getOperations();
103            for ( int i = 0; i < ops.size(); i++ ) {
104                Operation operation = ops.get( i );
105                appendOperation( transDoc.getRootElement(), operation );
106            }
107    
108            return transDoc;
109    
110        }
111    
112        /**
113         * @return an XML representation of a {@link TransactionResponse} object
114         * 
115         * @param response
116         * @throws XMLParsingException
117         * @throws OGCWebServiceException
118         */
119        public static final HarvetResultDocument export( HarvestResult response ) throws XMLParsingException {
120    
121            HarvetResultDocument harvestRespDoc = new HarvetResultDocument();
122            try {
123                harvestRespDoc.createEmptyDocument();
124            } catch ( Exception e ) {
125                throw new XMLParsingException( e.getMessage() );
126            }
127    
128            Element root = harvestRespDoc.getRootElement();
129            String version = response.getRequest().getVersion();
130            if( version == null || "".equals( version.trim() ) ){
131                version = "2.0.1";
132            }
133            root.setAttribute( "version", version );
134    
135            Element elem = XMLTools.appendElement( root, CommonNamespaces.CSWNS, "csw:TransactionSummary" );
136            root.appendChild( elem );
137            XMLTools.appendElement( elem,
138                                    CommonNamespaces.CSWNS,
139                                    "csw:totalInserted",
140                                    Integer.toString( response.getTotalInserted() ) );
141            XMLTools.appendElement( elem,
142                                    CommonNamespaces.CSWNS,
143                                    "csw:totalUpdated",
144                                    Integer.toString( response.getTotalUpdated() ) );
145            XMLTools.appendElement( elem,
146                                    CommonNamespaces.CSWNS,
147                                    "csw:totalDeleted",
148                                    Integer.toString( response.getTotalDeleted() ) );
149    
150            List<Node> records = response.getResults().getRecords();
151            if ( records.size() > 0 ) {
152                elem = XMLTools.appendElement( root, CommonNamespaces.CSWNS, "csw:InsertResult" );
153                Document owner = root.getOwnerDocument();
154                for ( int i = 0; i< records.size(); ++i  ) {
155                    LOG.logDebug( "("+i+" of "+ records.size() +") trying to insert xmlnode: " + records.get( i ).getNodeName() );
156                    Node a = owner.importNode( records.get( i ), true);
157                    elem.appendChild( a );
158                }
159            }
160    
161            return harvestRespDoc;
162        }
163    
164        /**
165         * @return an XML representation of a {@link TransactionResponse} object
166         * 
167         * @param response
168         * @throws XMLParsingException
169         * @throws OGCWebServiceException
170         */
171        public static final TransactionResultDocument export( TransactionResult response ) throws XMLParsingException {
172    
173            TransactionResultDocument transRespDoc = new TransactionResultDocument();
174            try {
175                transRespDoc.createEmptyDocument();
176            } catch ( Exception e ) {
177                throw new XMLParsingException( e.getMessage() );
178            }
179    
180            Element root = transRespDoc.getRootElement();
181            String version = response.getRequest().getVersion();
182            if( version == null || "".equals( version.trim() ) ){
183                version = "2.0.1";
184            }
185            root.setAttribute( "version", version );
186    
187            Element elem = XMLTools.appendElement( root, CommonNamespaces.CSWNS, "csw:TransactionSummary" );
188            root.appendChild( elem );
189            XMLTools.appendElement( elem,
190                                    CommonNamespaces.CSWNS,
191                                    "csw:totalInserted",
192                                    Integer.toString( response.getTotalInserted() ) );
193            XMLTools.appendElement( elem,
194                                    CommonNamespaces.CSWNS,
195                                    "csw:totalUpdated",
196                                    Integer.toString( response.getTotalUpdated() ) );
197            XMLTools.appendElement( elem,
198                                    CommonNamespaces.CSWNS,
199                                    "csw:totalDeleted",
200                                    Integer.toString( response.getTotalDeleted() ) );
201    
202            List<Node> records = response.getResults().getRecords();
203            if ( records.size() > 0 ) {
204                elem = XMLTools.appendElement( root, CommonNamespaces.CSWNS, "csw:InsertResult" );
205                Document owner = root.getOwnerDocument();
206                for ( int i = 0; i< records.size(); ++i  ) {
207                    LOG.logDebug( "("+i+" of "+ records.size() +") trying to insert xmlnode: " + records.get( i ).getNodeName() );
208                    Node a = owner.importNode( records.get( i ), true);
209                    elem.appendChild( a );
210                }
211                LOG.logDebug( "Successfully inserted " + records.size() +" brief records into the result documents" );
212                              //root.appendChild( elem );
213            }
214    
215            return transRespDoc;
216    
217        }
218    
219        /**
220         * 
221         * @param root
222         * @param operation
223         * @throws OGCWebServiceException
224         */
225        public static void appendOperation( Element root, Operation operation ) throws OGCWebServiceException {
226    
227            if ( "Insert".equals( operation.getName() ) ) {
228                appendInsert( root, (Insert) operation );
229            } else if ( "Update".equals( operation.getName() ) ) {
230                appendUpdate( root, (Update) operation );
231            } else if ( "Delete".equals( operation.getName() ) ) {
232                appendDelete( root, (Delete) operation );
233            } else {
234                throw new OGCWebServiceException( "unknown CS-W transaction operation: " + operation.getName() );
235            }
236        }
237    
238        /**
239         * appends an Delete operation to the passed root element
240         * 
241         * @param root
242         * @param delete
243         */
244        public static void appendDelete( Element root, Delete delete ) {
245            Document doc = root.getOwnerDocument();
246            Element op = doc.createElementNS( CSWNS.toASCIIString(), "csw:" + delete.getName() );
247            if ( delete.getHandle() != null ) {
248                op.setAttribute( "handle", delete.getHandle() );
249            }
250            if ( delete.getTypeName() != null ) {
251                
252                op.setAttribute( "typeName", delete.getTypeName().toASCIIString() );
253            }
254    
255            Filter filter = delete.getConstraint();
256            Element constraint = doc.createElementNS( CSWNS.toASCIIString(), "csw:Constraint" );
257            constraint.setAttribute( "version", "1.0.0" );
258            op.appendChild( constraint );
259            org.deegree.model.filterencoding.XMLFactory.appendFilter( constraint, filter );
260            root.appendChild( op );
261    
262        }
263    
264        /**
265         * appends an Update operation to the passed root element
266         * 
267         * @param root
268         * @param update
269         */
270        public static void appendUpdate( Element root, Update update ) {
271            Document doc = root.getOwnerDocument();
272            Element op = doc.createElementNS( CSWNS.toASCIIString(), "csw:" + update.getName() );
273            if ( update.getHandle() != null ) {
274                op.setAttribute( "handle", update.getHandle() );
275            }
276            if ( update.getTypeName() != null ) {
277                op.setAttribute( "typeName", update.getTypeName().toASCIIString() );
278            }
279            XMLTools.insertNodeInto( update.getRecord(), op );
280            Filter filter = update.getConstraint();
281            Element constraint = doc.createElementNS( CSWNS.toASCIIString(), "csw:Constraint" );
282            constraint.setAttribute( "version", "1.0.0" );
283            op.appendChild( constraint );
284            org.deegree.model.filterencoding.XMLFactory.appendFilter( constraint, filter );
285            root.appendChild( op );
286        }
287    
288        /**
289         * appends an Insert operation to the passed root element
290         * 
291         * @param root
292         * @param insert
293         */
294        public static void appendInsert( Element root, Insert insert ) {
295            Document doc = root.getOwnerDocument();
296            Element tmp = doc.createElementNS( CSWNS.toASCIIString(), "csw:" + insert.getName() );
297            Element op = (Element)root.appendChild( tmp );
298            if ( insert.getHandle() != null ) {
299                op.setAttribute( "handle", insert.getHandle() );
300            }
301            List<Element> list = insert.getRecords();
302            for ( Element e : list ) {
303                Node copy = doc.importNode( e, true );
304                op.appendChild( copy );
305            }
306    //        for ( int i = 0; i < list.size(); i++ ) {
307    //            XMLTools.insertNodeInto( list.get( i ), op );
308    //        }
309    
310    
311        }
312    }