001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/portal/context/FormatList.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2007 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     ---------------------------------------------------------------------------*/
044    package org.deegree.portal.context;
045    
046    import java.util.HashMap;
047    
048    /**
049     * encapsulates a FormatList as defined by the OGC Web Map Context specification
050     * 
051     * @version $Revision: 6956 $
052     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
053     */
054    public class FormatList {
055        private HashMap<String, Format> formats = new HashMap<String, Format>();
056    
057        private Format current = null;
058    
059        /**
060         * Creates a new FormatList object.
061         * 
062         * @param formats
063         */
064        public FormatList( Format[] formats ) throws ContextException {
065            setFormats( formats );
066        }
067    
068        /**
069         * 
070         * 
071         * @return
072         */
073        public Format[] getFormats() {
074            Format[] fr = new Format[formats.size()];
075            return formats.values().toArray( fr );
076        }
077    
078        /**
079         * 
080         * 
081         * @param formats
082         * 
083         * @throws ContextException
084         */
085        public void setFormats( Format[] formats )
086                                throws ContextException {
087            if ( ( formats == null ) || ( formats.length == 0 ) ) {
088                throw new ContextException( "at least one format must be defined for a layer" );
089            }
090    
091            this.formats.clear();
092    
093            for ( int i = 0; i < formats.length; i++ ) {
094                if ( formats[i].isCurrent() ) {
095                    current = formats[i];
096                }
097                this.formats.put( formats[i].getName(), formats[i] );
098            }
099        }
100    
101        /**
102         * @return current format
103         */
104        public Format getCurrentFormat() {
105            return current;
106        }
107    
108        /**
109         * 
110         * 
111         * @param name
112         * 
113         * @return named format
114         */
115        public Format getFormat( String name ) {
116            return formats.get( name );
117        }
118    
119        /**
120         * 
121         * 
122         * @param format
123         */
124        public void addFormat( Format format ) {
125            if ( format.isCurrent() ) {
126                current.setCurrent( false );
127                current = format;
128            }
129            formats.put( format.getName(), format );
130        }
131    
132        /**
133         * 
134         * 
135         * @param name
136         * 
137         * @return removed format
138         */
139        public Format removeFormat( String name ) {
140            return formats.remove( name );
141        }
142    
143        /**
144         * 
145         */
146        public void clear() {
147            formats.clear();
148        }
149    
150    }