001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/context/ViewContextCollection.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.portal.context;
037    
038    import java.util.HashMap;
039    
040    /**
041     * This class encapsulates a collection of references to Web Map Context documents as defined by the
042     * OGC Web Map Context specification
043     *
044     * @version $Revision: 18195 $
045     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
046     */
047    public class ViewContextCollection {
048        private HashMap<String, ViewContextReference> viewContextReferences = new HashMap<String, ViewContextReference>();
049    
050        /**
051         * Creates a new ViewContextCollection object.
052         *
053         * @param viewContextReferences
054         *
055         * @throws ContextException
056         */
057        public ViewContextCollection( ViewContextReference[] viewContextReferences ) throws ContextException {
058            setViewContextReferences( viewContextReferences );
059        }
060    
061        /**
062         *
063         *
064         * @return all ViewContextReference
065         */
066        public ViewContextReference[] getViewContextReferences() {
067            ViewContextReference[] fr = new ViewContextReference[viewContextReferences.size()];
068            return viewContextReferences.values().toArray( fr );
069        }
070    
071        /**
072         *
073         *
074         * @param viewContextReferences
075         *
076         * @throws ContextException
077         */
078        public void setViewContextReferences( ViewContextReference[] viewContextReferences )
079                                throws ContextException {
080            if ( ( viewContextReferences == null ) || ( viewContextReferences.length == 0 ) ) {
081                throw new ContextException( "at least one viewContextReference must be defined for a layer" );
082            }
083    
084            this.viewContextReferences.clear();
085    
086            for ( int i = 0; i < viewContextReferences.length; i++ ) {
087                this.viewContextReferences.put( viewContextReferences[i].getTitle(), viewContextReferences[i] );
088            }
089        }
090    
091        /**
092         *
093         *
094         * @param name
095         *
096         * @return named ViewContextReference
097         */
098        public ViewContextReference getViewContextReference( String name ) {
099            return viewContextReferences.get( name );
100        }
101    
102        /**
103         *
104         *
105         * @param viewContextReference
106         */
107        public void addViewContextReference( ViewContextReference viewContextReference ) {
108            viewContextReferences.put( viewContextReference.getTitle(), viewContextReference );
109        }
110    
111        /**
112         *
113         *
114         * @param name
115         *
116         * @return removed ViewContextReference
117         */
118        public ViewContextReference removeViewContextReference( String name ) {
119            return viewContextReferences.remove( name );
120        }
121    
122        /**
123         *
124         */
125        public void clear() {
126            viewContextReferences.clear();
127        }
128    
129    }