    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/graphics/sld/FeatureTypeConstraint.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.graphics.sld;
    037
    038    import static org.deegree.framework.xml.XMLTools.escape;
    039
    040    import java.util.ArrayList;
    041    import java.util.List;
    042
    043    import org.deegree.datatypes.QualifiedName;
    044    import org.deegree.framework.xml.Marshallable;
    045    import org.deegree.model.filterencoding.Filter;
    046
    047    /**
    048     * A FeatureTypeConstraint element is used to identify a feature type by well-known name, using the FeatureTypeName
    049     * element.
    050     *
    051     * @author <a href="mailto:k.lupp@web.de">Katharina Lupp </a>
    052     * @version $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    053     */
    054
    055    public class FeatureTypeConstraint implements Marshallable {
    056
    057        private List<Extent> extents = null;
    058
    059        private Filter filter = null;
    060
    061        private QualifiedName featureTypeName = null;
    062
    063        /**
    064         * constructor initializing the class with the <FeatureTypeConstraint>
    065         *
    066         * @param featureTypeName
    067         * @param filter
    068         * @param extents
    069         */
    070        public FeatureTypeConstraint( QualifiedName featureTypeName, Filter filter, Extent[] extents ) {
    071            if ( extents != null ) {
    072                this.extents = new ArrayList<Extent>( extents.length );
    073                setExtents( extents );
    074            }
    075            setFeatureTypeName( featureTypeName );
    076            setFilter( filter );
    077
    078        }
    079
    080        /**
    081         * returns the name of the feature type
    082         *
    083         * @return the name of the feature type
    084         */
    085        public QualifiedName getFeatureTypeName() {
    086            return featureTypeName;
    087        }
    088
    089        /**
    090         * sets the name of the feature type
    091         *
    092         * @param featureTypeName
    093         *            the name of the feature type
    094         */
    095        public void setFeatureTypeName( QualifiedName featureTypeName ) {
    096            this.featureTypeName = featureTypeName;
    097        }
    098
    099        /**
    100         * returns a feature-filter as defined in WFS specifications.
    101         *
    102         * @return the filter of the FeatureTypeConstraints
    103         */
    104        public Filter getFilter() {
    105            return filter;
    106        }
    107
    108        /**
    109         * sets a feature-filter as defined in WFS specifications.
    110         *
    111         * @param filter
    112         *            the filter of the FeatureTypeConstraints
    113         */
    114        public void setFilter( Filter filter ) {
    115            this.filter = filter;
    116        }
    117
    118        /**
    119         * returns the extent for filtering the feature type
    120         *
    121         * @return the extent for filtering the feature type
    122         */
    123        public Extent[] getExtents() {
    124            if ( this.extents != null ) {
    125                return extents.toArray( new Extent[extents.size()] );
    126            }
    127            return new Extent[0];
    128        }
    129
    130        /**
    131         * sets the extent for filtering the feature type
    132         *
    133         * @param extents
    134         *            extents for filtering the feature type
    135         */
    136        public void setExtents( Extent[] extents ) {
    137            if ( this.extents != null ) {
    138                this.extents.clear();
    139            }
    140
    141            if ( extents != null ) {
    142                for ( int i = 0; i < extents.length; i++ ) {
    143                    addExtent( extents[i] );
    144                }
    145            }
    146        }
    147
    148        /**
    149         * Adds an Extent to the Extent-List of a FeatureTypeConstraint
    150         *
    151         * @param extent
    152         *            an extent to add
    153         */
    154        public void addExtent( Extent extent ) {
    155            if ( this.extents != null ) {
    156                extents = new ArrayList<Extent>();
    157            }
    158            extents.add( extent );
    159        }
    160
    161        /**
    162         * Removes an Extent from the Extent-List of a FeatureTypeConstraint
    163         *
    164         * @param extent
    165         *            an extent to remove
    166         */
    167        public void removeExtent( Extent extent ) {
    168            extents.remove( extents.indexOf( extent ) );
    169        }
    170
    171        /**
    172         * @return the FeatureTypeConstraint as String
    173         */
    174        @Override
    175        public String toString() {
    176            String ret = getClass().getName() + "\n";
    177            ret = "featureTypeName = " + featureTypeName + "\n";
    178            ret += ( "filter = " + filter + "\n" );
    179            ret += ( "extents = " + extents + "\n" );
    180
    181            return ret;
    182        }
    183
    184        /**
    185         * exports the content of the FeatureTypeConstraint as XML formated String
    186         *
    187         * @return xml representation of the FeatureTypeConstraint
    188         */
    189        public String exportAsXML() {
    190
    191            StringBuffer sb = new StringBuffer( 1000 );
    192            sb.append( "<FeatureTypeConstraint>" );
    193            if ( featureTypeName != null ) {
    194                if ( featureTypeName.getNamespace() == null ) {
    195                    sb.append( "<FeatureTypeName>" );
    196                    sb.append( escape( featureTypeName.getLocalName() ) );
    197                } else {
    198                    sb.append( "<FeatureTypeName xmlns:" ).append( featureTypeName.getPrefix() );
    199                    sb.append( "='" ).append( featureTypeName.getNamespace().toASCIIString() ).append( "'>" );
    200                    sb.append( featureTypeName.getPrefixedName() );
    201                }
    202                sb.append( "</FeatureTypeName>" );
    203            }
    204            if ( filter != null ) {
    205                sb.append( filter.to110XML() );
    206            }
    207            if ( extents != null ) {
    208                for ( int i = 0; i < extents.size(); i++ ) {
    209                    sb.append( ( (Marshallable) extents.get( i ) ).exportAsXML() );
    210                }
    211            }
    212            sb.append( "</FeatureTypeConstraint>" );
    213
    214            return sb.toString();
    215        }
    216
    217    }