001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/portal/context/FormatList.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     * encapsulates a FormatList as defined by the OGC Web Map Context specification
042     *
043     * @version $Revision: 18195 $
044     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
045     */
046    public class FormatList {
047        private HashMap<String, Format> formats = new HashMap<String, Format>();
048    
049        private Format current = null;
050    
051        /**
052         * Creates a new FormatList object.
053         *
054         * @param formats
055         * @throws ContextException
056         */
057        public FormatList( Format[] formats ) throws ContextException {
058            setFormats( formats );
059        }
060    
061        /**
062         *
063         *
064         * @return the formats
065         */
066        public Format[] getFormats() {
067            Format[] fr = new Format[formats.size()];
068            return formats.values().toArray( fr );
069        }
070    
071        /**
072         *
073         *
074         * @param formats
075         *
076         * @throws ContextException
077         */
078        public void setFormats( Format[] formats )
079                                throws ContextException {
080            if ( ( formats == null ) || ( formats.length == 0 ) ) {
081                throw new ContextException( "at least one format must be defined for a layer" );
082            }
083    
084            this.formats.clear();
085    
086            for ( int i = 0; i < formats.length; i++ ) {
087                if ( formats[i].isCurrent() ) {
088                    current = formats[i];
089                }
090                this.formats.put( formats[i].getName(), formats[i] );
091            }
092        }
093    
094        /**
095         * @return current format
096         */
097        public Format getCurrentFormat() {
098            return current;
099        }
100    
101        /**
102         *
103         *
104         * @param name
105         *
106         * @return named format
107         */
108        public Format getFormat( String name ) {
109            return formats.get( name );
110        }
111    
112        /**
113         *
114         *
115         * @param format
116         */
117        public void addFormat( Format format ) {
118            if ( format.isCurrent() ) {
119                current.setCurrent( false );
120                current = format;
121            }
122            formats.put( format.getName(), format );
123        }
124    
125        /**
126         *
127         *
128         * @param name
129         *
130         * @return removed format
131         */
132        public Format removeFormat( String name ) {
133            return formats.remove( name );
134        }
135    
136        /**
137         *
138         */
139        public void clear() {
140            formats.clear();
141        }
142    
143    }