    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/security/owsrequestvalidator/wfs/TransactionValidator.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.security.owsrequestvalidator.wfs;
    037
    038    import static org.deegree.portal.standard.security.control.ClientHelper.TYPE_FEATURETYPE;
    039    import static org.deegree.security.drm.model.RightType.DELETE;
    040    import static org.deegree.security.drm.model.RightType.INSERT;
    041    import static org.deegree.security.drm.model.RightType.UPDATE;
    042
    043    import java.io.IOException;
    044    import java.util.ArrayList;
    045    import java.util.HashMap;
    046    import java.util.List;
    047    import java.util.Map;
    048
    049    import org.deegree.datatypes.QualifiedName;
    050    import org.deegree.datatypes.Types;
    051    import org.deegree.framework.log.ILogger;
    052    import org.deegree.framework.log.LoggerFactory;
    053    import org.deegree.framework.util.StringTools;
    054    import org.deegree.framework.xml.XMLParsingException;
    055    import org.deegree.i18n.Messages;
    056    import org.deegree.model.feature.Feature;
    057    import org.deegree.model.feature.FeatureFactory;
    058    import org.deegree.model.feature.FeatureProperty;
    059    import org.deegree.model.feature.schema.FeatureType;
    060    import org.deegree.model.feature.schema.PropertyType;
    061    import org.deegree.model.filterencoding.ComplexFilter;
    062    import org.deegree.model.filterencoding.FeatureFilter;
    063    import org.deegree.model.filterencoding.Filter;
    064    import org.deegree.model.filterencoding.FilterConstructionException;
    065    import org.deegree.model.filterencoding.OperationDefines;
    066    import org.deegree.ogcwebservices.InvalidParameterValueException;
    067    import org.deegree.ogcwebservices.OGCWebServiceRequest;
    068    import org.deegree.ogcwebservices.wfs.XMLFactory;
    069    import org.deegree.ogcwebservices.wfs.operation.Query;
    070    import org.deegree.ogcwebservices.wfs.operation.transaction.Delete;
    071    import org.deegree.ogcwebservices.wfs.operation.transaction.Insert;
    072    import org.deegree.ogcwebservices.wfs.operation.transaction.Transaction;
    073    import org.deegree.ogcwebservices.wfs.operation.transaction.TransactionOperation;
    074    import org.deegree.ogcwebservices.wfs.operation.transaction.Update;
    075    import org.deegree.portal.standard.security.control.ClientHelper;
    076    import org.deegree.security.GeneralSecurityException;
    077    import org.deegree.security.UnauthorizedException;
    078    import org.deegree.security.drm.SecurityAccess;
    079    import org.deegree.security.drm.SecurityAccessManager;
    080    import org.deegree.security.drm.model.Right;
    081    import org.deegree.security.drm.model.RightSet;
    082    import org.deegree.security.drm.model.RightType;
    083    import org.deegree.security.drm.model.SecuredObject;
    084    import org.deegree.security.drm.model.User;
    085    import org.deegree.security.owsproxy.Condition;
    086    import org.deegree.security.owsproxy.OperationParameter;
    087    import org.deegree.security.owsproxy.Request;
    088    import org.deegree.security.owsrequestvalidator.Policy;
    089    import org.w3c.dom.Element;
    090    import org.xml.sax.SAXException;
    091
    092    /**
    093     * Validator for OGC CSW Transaction requests. It will validated values of:<br>
    094     * <ul>
    095     * <li>service version</li>
    096     * <li>operation</li>
    097     * <li>type names</li>
    098     * <li>metadata standard</li>
    099     * </ul>
    100     *
    101     * @version $Revision: 18195 $
    102     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
    103     * @author last edited by: $Author: mschneider $
    104     *
    105     * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    106     *
    107     * @since 2.0
    108     */
    109    public class TransactionValidator extends AbstractWFSRequestValidator {
    110
    111        private static final ILogger LOG = LoggerFactory.getLogger( TransactionValidator.class );
    112
    113        private final static String TYPENAME = "typeName";
    114
    115        private static Map<QualifiedName, Filter> filterMap = new HashMap<QualifiedName, Filter>();
    116
    117        private static FeatureType insertFT = null;
    118
    119        private static FeatureType updateFT = null;
    120
    121        private static FeatureType deleteFT = null;
    122
    123        static {
    124            if ( insertFT == null ) {
    125                insertFT = TransactionValidator.createInsertFeatureType();
    126            }
    127            if ( updateFT == null ) {
    128                updateFT = TransactionValidator.createUpdateFeatureType();
    129            }
    130            if ( deleteFT == null ) {
    131                deleteFT = TransactionValidator.createDeleteFeatureType();
    132            }
    133        }
    134
    135        /**
    136         *
    137         * @param policy
    138         */
    139        public TransactionValidator( Policy policy ) {
    140            super( policy );
    141        }
    142
    143        @Override
    144        public void validateRequest( OGCWebServiceRequest request, User user )
    145                                throws InvalidParameterValueException, UnauthorizedException {
    146
    147            userCoupled = false;
    148
    149            Transaction wfsreq = (Transaction) request;
    150
    151            List<TransactionOperation> ops = wfsreq.getOperations();
    152            for ( int i = 0; i < ops.size(); i++ ) {
    153                userCoupled = false;
    154                if ( ops.get( i ) instanceof Insert ) {
    155                    Request req = policy.getRequest( "WFS", "WFS_Insert" );
    156                    if ( !req.isAny() && !req.getPreConditions().isAny() ) {
    157                        Condition condition = req.getPreConditions();
    158                        validateOperation( condition, (Insert) ops.get( i ) );
    159                    }
    160                    if ( userCoupled ) {
    161                        validateAgainstRightsDB( (Insert) ops.get( i ), user );
    162                    }
    163                } else if ( ops.get( i ) instanceof Update ) {
    164                    Request req = policy.getRequest( "WFS", "WFS_Update" );
    165                    if ( !req.isAny() && !req.getPreConditions().isAny() ) {
    166                        Condition condition = req.getPreConditions();
    167                        validateOperation( condition, (Update) ops.get( i ) );
    168                    }
    169                    if ( userCoupled ) {
    170                        validateAgainstRightsDB( (Update) ops.get( i ), user );
    171                    }
    172                    if ( req.getPostConditions() != null ) {
    173                        addFilter( ops.get( i ), req.getPostConditions(), user );
    174                    }
    175                } else if ( ops.get( i ) instanceof Delete ) {
    176                    Request req = policy.getRequest( "WFS", "WFS_Delete" );
    177                    if ( !req.isAny() && !req.getPreConditions().isAny() ) {
    178                        Condition condition = req.getPreConditions();
    179                        validateOperation( condition, (Delete) ops.get( i ) );
    180                    }
    181                    if ( userCoupled ) {
    182                        validateAgainstRightsDB( (Delete) ops.get( i ), user );
    183                    }
    184                    if ( req.getPostConditions() != null ) {
    185                        addFilter( ops.get( i ), req.getPostConditions(), user );
    186                    }
    187                }
    188            }
    189
    190            if ( LOG.getLevel() == ILogger.LOG_DEBUG ) {
    191                try {
    192                    XMLFactory.export( wfsreq ).prettyPrint( System.out );
    193                } catch ( Exception e ) {
    194                    // nottin
    195                }
    196            }
    197
    198        }
    199
    200        /**
    201         * adds a filter to the passed opertaion. If the condition is userCoupled the filter will be read from the DRM
    202         * otherwise it is read from the current WFS policy file
    203         *
    204         * @param operation
    205         * @param postConditions
    206         * @param user
    207         * @throws InvalidParameterValueException
    208         * @throws UnauthorizedException
    209         */
    210        private void addFilter( TransactionOperation operation, Condition postConditions, User user )
    211                                throws InvalidParameterValueException, UnauthorizedException {
    212            if ( postConditions.getOperationParameter( "instanceFilter" ) != null ) {
    213                Filter opFilter = null;
    214                if ( operation instanceof Update ) {
    215                    opFilter = ( (Update) operation ).getFilter();
    216                } else {
    217                    opFilter = ( (Delete) operation ).getFilter();
    218                }
    219                Filter filter = null;
    220                if ( postConditions.getOperationParameter( "instanceFilter" ).isUserCoupled() ) {
    221                    // read filterMap from constraints defined in deegree DRM
    222                    filter = readFilterFromDRM( operation, user );
    223                } else {
    224                    fillFilterMap( postConditions );
    225                    // use filterMap read from policy document
    226                    filter = filterMap.get( operation.getAffectedFeatureTypes().get( 0 ) );
    227                }
    228
    229                if ( opFilter instanceof ComplexFilter ) {
    230                    // create a new Filter that is a combination of the
    231                    // original filter and the one defined in the GetFeatures
    232                    // PostConditions coupled by a logical 'And'
    233                    ComplexFilter qFilter = (ComplexFilter) opFilter;
    234                    if ( filter == null ) {
    235                        filter = qFilter;
    236                    } else {
    237                        filter = new ComplexFilter( qFilter, (ComplexFilter) filter, OperationDefines.AND );
    238                    }
    239                } else if ( opFilter instanceof FeatureFilter ) {
    240                    // just take original filter if it is as feature filter
    241                    // because feature filter and complex filters can not
    242                    // be combined
    243                    filter = opFilter;
    244                }
    245                if ( operation instanceof Update ) {
    246                    ( (Update) operation ).setFilter( filter );
    247                } else {
    248                    ( (Delete) operation ).setFilter( filter );
    249                }
    250            }
    251        }
    252
    253        /**
    254         * reads a filter m
    255         *
    256         * @param operation
    257         * @param user
    258         * @return the defined filter for the given operation or <code>null</code> if no such filter was found.
    259         * @throws UnauthorizedException
    260         * @throws InvalidParameterValueException
    261         */
    262        private Filter readFilterFromDRM( TransactionOperation operation, User user )
    263                                throws UnauthorizedException, InvalidParameterValueException {
    264            Filter f = null;
    265            try {
    266                SecurityAccessManager sam = SecurityAccessManager.getInstance();
    267                SecurityAccess access = sam.acquireAccess( user );
    268
    269                QualifiedName qn = operation.getAffectedFeatureTypes().get( 0 );
    270                SecuredObject secObj = access.getSecuredObjectByName( qn.getFormattedString(),
    271                                                                      ClientHelper.TYPE_FEATURETYPE );
    272
    273                RightSet rs = user.getRights( access, secObj );
    274                Right right = null;
    275                if ( operation instanceof Update ) {
    276                    right = rs.getRight( secObj, RightType.UPDATE_RESPONSE );
    277                } else {
    278                    right = rs.getRight( secObj, RightType.DELETE_RESPONSE );
    279                }
    280
    281                // a constraint - if available - is constructed as a OGC Filter
    282                // one of the filter operations may is 'PropertyIsEqualTo' and
    283                // defines a ProperyName == 'instanceFilter'. The Literal of this
    284                // operation itself is a complete and valid Filter expression.
    285                if ( right != null ) {
    286                    ComplexFilter filter = (ComplexFilter) right.getConstraints();
    287                    if ( filter != null ) {
    288                        // extract filter expression to be used as additional
    289                        // filter for a GetFeature request
    290                        filter = extractInstanceFilter( filter.getOperation() );
    291                        if ( filter != null ) {
    292                            f = filter;
    293                        }
    294                    }
    295                }
    296
    297            } catch ( GeneralSecurityException e ) {
    298                LOG.logError( e.getMessage(), e );
    299                throw new UnauthorizedException( e.getMessage(), e );
    300            } catch ( FilterConstructionException e ) {
    301                LOG.logError( e.getMessage(), e );
    302                throw new InvalidParameterValueException( e.getMessage(), e );
    303            } catch ( SAXException e ) {
    304                LOG.logError( e.getMessage(), e );
    305                throw new InvalidParameterValueException( e.getMessage(), e );
    306            } catch ( IOException e ) {
    307                LOG.logError( e.getMessage(), e );
    308                throw new InvalidParameterValueException( e.getMessage(), e );
    309            }
    310            return f;
    311        }
    312
    313        private void fillFilterMap( Condition postConditions )
    314                                throws InvalidParameterValueException {
    315            List<Element> complexValues = postConditions.getOperationParameter( "instanceFilter" ).getComplexValues();
    316            try {
    317                if ( filterMap.size() == 0 ) {
    318                    for ( int i = 0; i < complexValues.size(); i++ ) {
    319                        Query q = Query.create( complexValues.get( 0 ) );
    320                        Filter f = q.getFilter();
    321                        QualifiedName qn = q.getTypeNames()[0];
    322                        filterMap.put( qn, f );
    323                    }
    324                }
    325            } catch ( XMLParsingException e ) {
    326                LOG.logError( e.getMessage(), e );
    327                throw new InvalidParameterValueException( this.getClass().getName(), e.getMessage() );
    328            }
    329        }
    330
    331        /**
    332         *
    333         * @param condition
    334         * @param insert
    335         * @throws InvalidParameterValueException
    336         */
    337        private void validateOperation( Condition condition, Insert insert )
    338                                throws InvalidParameterValueException {
    339
    340            OperationParameter op = condition.getOperationParameter( TYPENAME );
    341
    342            // version is valid because no restrictions are made
    343            if ( op.isAny() ) {
    344                return;
    345            }
    346
    347            if ( op.isUserCoupled() ) {
    348                userCoupled = true;
    349            } else {
    350                List<String> vals = op.getValues();
    351                List<QualifiedName> fts = insert.getAffectedFeatureTypes();
    352                for ( int i = 0; i < fts.size(); i++ ) {
    353                    String qn = fts.get( i ).getFormattedString();
    354                    if ( !vals.contains( qn ) ) {
    355                        String s = Messages.getMessage( "OWSPROXY_NOT_ALLOWED_FEATURETYPE", "insert", qn );
    356                        throw new InvalidParameterValueException( s );
    357                    }
    358                }
    359            }
    360        }
    361
    362        /**
    363         *
    364         * @param condition
    365         * @param delete
    366         * @throws InvalidParameterValueException
    367         */
    368        private void validateOperation( Condition condition, Delete delete )
    369                                throws InvalidParameterValueException {
    370            OperationParameter op = condition.getOperationParameter( TYPENAME );
    371
    372            // version is valid because no restrictions are made
    373            if ( op.isAny() ) {
    374                return;
    375            }
    376
    377            if ( op.isUserCoupled() ) {
    378                userCoupled = true;
    379            } else {
    380                List<String> vals = op.getValues();
    381                List<QualifiedName> fts = delete.getAffectedFeatureTypes();
    382                for ( int i = 0; i < fts.size(); i++ ) {
    383                    String qn = fts.get( i ).getFormattedString();
    384                    if ( !vals.contains( qn ) ) {
    385                        String s = Messages.getMessage( "OWSPROXY_NOT_ALLOWED_FEATURETYPE", "delete", qn );
    386                        throw new InvalidParameterValueException( s );
    387                    }
    388                }
    389            }
    390        }
    391
    392        /**
    393         *
    394         * @param condition
    395         * @param update
    396         * @throws InvalidParameterValueException
    397         */
    398        private void validateOperation( Condition condition, Update update )
    399                                throws InvalidParameterValueException {
    400
    401            OperationParameter op = condition.getOperationParameter( TYPENAME );
    402
    403            // version is valid because no restrictions are made
    404            if ( op.isAny() ) {
    405                return;
    406            }
    407
    408            if ( op.isUserCoupled() ) {
    409                userCoupled = true;
    410            } else {
    411                List<String> vals = op.getValues();
    412                List<QualifiedName> fts = update.getAffectedFeatureTypes();
    413                for ( int i = 0; i < fts.size(); i++ ) {
    414                    String qn = fts.get( i ).getFormattedString();
    415                    if ( !vals.contains( qn ) ) {
    416                        String s = Messages.getMessage( "OWSPROXY_NOT_ALLOWED_FEATURETYPE", "update", qn );
    417                        throw new InvalidParameterValueException( s );
    418                    }
    419                }
    420            }
    421        }
    422
    423        /**
    424         * validates a Transcation.Delete request against the underlying users and rights management system
    425         *
    426         * @param delete
    427         * @param user
    428         * @throws InvalidParameterValueException
    429         * @throws UnauthorizedException
    430         */
    431        private void validateAgainstRightsDB( Delete delete, User user )
    432                                throws InvalidParameterValueException, UnauthorizedException {
    433            if ( user == null ) {
    434                throw new UnauthorizedException( Messages.getMessage( "OWSPROXY_NO_ANONYMOUS_ACCESS" ) );
    435            }
    436
    437            List<QualifiedName> fts = delete.getAffectedFeatureTypes();
    438            for ( int i = 0; i < fts.size(); i++ ) {
    439                String name = fts.get( i ).getLocalName();
    440                String ns = fts.get( i ).getNamespace().toASCIIString();
    441                String qn = StringTools.concat( 200, '{', ns, "}:", name );
    442
    443                // create a feature instance from the parameters of the GetFeature request
    444                // to enable comparsion with a filter encoding expression stored in the
    445                // assigned rights management system
    446                List<FeatureProperty> fps = new ArrayList<FeatureProperty>();
    447                QualifiedName tn = new QualifiedName( "typeName" );
    448                FeatureProperty fp = FeatureFactory.createFeatureProperty( tn, qn );
    449                fps.add( fp );
    450                Feature feature = FeatureFactory.createFeature( "id", deleteFT, fps );
    451
    452                if ( securityConfig.getProxiedUrl() == null ) {
    453                    handleUserCoupledRules( user, // the user who posted the request
    454                                            feature, // This is the Database feature
    455                                            qn, // the Qualified name of the users Featurerequest
    456                                            TYPE_FEATURETYPE, // a primary key in the db.
    457                                            DELETE );// We're requesting a featuretype.
    458                } else {
    459                    handleUserCoupledRules( user, // the user who posted the request
    460                                            feature, // This is the Database feature
    461                                            "[" + securityConfig.getProxiedUrl() + "]:" + qn, // the Qualified name of the
    462                                            // users Featurerequest
    463                                            TYPE_FEATURETYPE, // a primary key in the db.
    464                                            DELETE );// We're requesting a featuretype.
    465                }
    466            }
    467
    468        }
    469
    470        /**
    471         * validates a Transcation.Update request against the underlying users and rights management system
    472         *
    473         * @param update
    474         * @param user
    475         * @throws UnauthorizedException
    476         * @throws InvalidParameterValueException
    477         */
    478        private void validateAgainstRightsDB( Update update, User user )
    479                                throws InvalidParameterValueException, UnauthorizedException {
    480
    481            if ( user == null ) {
    482                throw new UnauthorizedException( Messages.getMessage( "OWSPROXY_NO_ANONYMOUS_ACCESS" ) );
    483            }
    484
    485            List<QualifiedName> fts = update.getAffectedFeatureTypes();
    486            for ( int i = 0; i < fts.size(); i++ ) {
    487                String name = fts.get( i ).getLocalName();
    488                String ns = fts.get( i ).getNamespace().toASCIIString();
    489                String qn = StringTools.concat( 200, '{', ns, "}:", name );
    490
    491                // create a feature instance from the parameters of the GetFeature request
    492                // to enable comparsion with a filter encoding expression stored in the
    493                // assigned rights management system
    494                List<FeatureProperty> fps = new ArrayList<FeatureProperty>();
    495                QualifiedName tn = new QualifiedName( "typeName" );
    496                FeatureProperty fp = FeatureFactory.createFeatureProperty( tn, qn );
    497                fps.add( fp );
    498                Feature feature = FeatureFactory.createFeature( "id", updateFT, fps );
    499
    500                if ( securityConfig.getProxiedUrl() == null ) {
    501                    handleUserCoupledRules( user, // the user who posted the request
    502                                            feature, // This is the Database feature
    503                                            qn, // the Qualified name of the users Featurerequest
    504                                            TYPE_FEATURETYPE, // a primary key in the db.
    505                                            UPDATE );// We're requesting a featuretype.
    506                } else {
    507                    handleUserCoupledRules( user, // the user who posted the request
    508                                            feature, // This is the Database feature
    509                                            "[" + securityConfig.getProxiedUrl() + "]:" + qn, // the Qualified name of the
    510                                            // users Featurerequest
    511                                            TYPE_FEATURETYPE, // a primary key in the db.
    512                                            UPDATE );// We're requesting a featuretype.
    513                }
    514            }
    515        }
    516
    517        /**
    518         * validates the passed insert operation against the deegree user/rights management system
    519         *
    520         * @param insert
    521         * @param user
    522         * @throws InvalidParameterValueException
    523         * @throws UnauthorizedException
    524         */
    525        private void validateAgainstRightsDB( Insert insert, User user )
    526                                throws InvalidParameterValueException, UnauthorizedException {
    527
    528            if ( user == null ) {
    529                throw new UnauthorizedException( Messages.getMessage( "OWSPROXY_NO_ANONYMOUS_ACCESS" ) );
    530            }
    531
    532            List<QualifiedName> fts = insert.getAffectedFeatureTypes();
    533            for ( int i = 0; i < fts.size(); i++ ) {
    534                String name = fts.get( i ).getLocalName();
    535                String ns = fts.get( i ).getNamespace().toASCIIString();
    536                String qn = StringTools.concat( 200, '{', ns, "}:", name );
    537                // create a feature instance from the parameters of the GetRecords request
    538                // to enable comparsion with a filter encoding expression stored in the
    539                // assigned rights management system
    540                List<FeatureProperty> fps = new ArrayList<FeatureProperty>();
    541                QualifiedName tn = new QualifiedName( "typeName" );
    542                FeatureProperty fp = FeatureFactory.createFeatureProperty( tn, qn );
    543                fps.add( fp );
    544                Feature feature = FeatureFactory.createFeature( "id", insertFT, fps );
    545
    546                if ( securityConfig.getProxiedUrl() == null ) {
    547                    handleUserCoupledRules( user, // the user who posted the request
    548                                            feature, // This is the Database feature
    549                                            qn, // the Qualified name of the users Featurerequest
    550                                            TYPE_FEATURETYPE, // a primary key in the db.
    551                                            INSERT );// We're requesting a featuretype.
    552                } else {
    553                    handleUserCoupledRules( user, // the user who posted the request
    554                                            feature, // This is the Database feature
    555                                            "[" + securityConfig.getProxiedUrl() + "]:" + qn, // the Qualified name of the
    556                                                                                              // users Featurerequest
    557                                            TYPE_FEATURETYPE, // a primary key in the db.
    558                                            INSERT );// We're requesting a featuretype.
    559                }
    560            }
    561
    562        }
    563
    564        /**
    565         * creates a feature type that matches the parameters of a Insert operation
    566         *
    567         * @return created <tt>FeatureType</tt>
    568         */
    569        private static FeatureType createInsertFeatureType() {
    570            PropertyType[] ftps = new PropertyType[1];
    571            ftps[0] = FeatureFactory.createSimplePropertyType( new QualifiedName( "typeName" ), Types.VARCHAR, false );
    572
    573            return FeatureFactory.createFeatureType( "WFS_Insert", false, ftps );
    574        }
    575
    576        /**
    577         * creates a feature type that matches the parameters of a Update operation
    578         *
    579         * @return created <tt>FeatureType</tt>
    580         */
    581        private static FeatureType createUpdateFeatureType() {
    582            PropertyType[] ftps = new PropertyType[2];
    583            ftps[0] = FeatureFactory.createSimplePropertyType( new QualifiedName( "typeName" ), Types.VARCHAR, false );
    584
    585            return FeatureFactory.createFeatureType( "WFS_Update", false, ftps );
    586        }
    587
    588        /**
    589         * creates a feature type that matches the parameters of a Delete operation
    590         *
    591         * @return created <tt>FeatureType</tt>
    592         */
    593        private static FeatureType createDeleteFeatureType() {
    594            PropertyType[] ftps = new PropertyType[1];
    595            ftps[0] = FeatureFactory.createSimplePropertyType( new QualifiedName( "typeName" ), Types.VARCHAR, false );
    596
    597            return FeatureFactory.createFeatureType( "WFS_Delete", false, ftps );
    598        }
    599
    600    }