001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/framework/trigger/TriggerCapabilities.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.framework.trigger;
037    
038    import java.util.ArrayList;
039    import java.util.Iterator;
040    import java.util.List;
041    import java.util.Map;
042    
043    import org.deegree.framework.log.ILogger;
044    import org.deegree.framework.log.LoggerFactory;
045    
046    /**
047     *
048     *
049     *
050     * @version $Revision: 18195 $
051     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
052     * @author last edited by: $Author: mschneider $
053     *
054     * @version 1.0. $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
055     *
056     * @since 2.0
057     */
058    public class TriggerCapabilities {
059    
060        private static final ILogger LOG = LoggerFactory.getLogger( TriggerCapabilities.class );
061    
062        private Map<String, TargetClass> targetClasses;
063    
064        public static enum TRIGGER_TYPE {
065            /** identifies pre-trigger */
066            PRE,
067            /** identifies post-trigger */
068            POST,
069            /** identifies all trigger */
070            ALL
071        }
072    
073        /**
074         *
075         */
076        public TriggerCapabilities( Map<String, TargetClass> targetClasses ) {
077            this.targetClasses = targetClasses;
078        }
079    
080        /**
081         * returns a List of capabilities of all available
082         *
083         * @see Trigger
084         * @return a List of capabilities of all available
085         * @see Trigger
086         */
087        public List<TargetClass> getTargetClasses() {
088            List<TargetClass> list = new ArrayList<TargetClass>( targetClasses.size() );
089            Iterator iter = targetClasses.values().iterator();
090            while ( iter.hasNext() ) {
091                list.add( (TargetClass) iter.next() );
092            }
093            return list;
094        }
095    
096        /**
097         * returns all the capabilties of all
098         *
099         * @see Trigger assigned to class and method. The thrid parameter determines if just
100         *      pre-trigger, post-trigger or all triggers shall be returned.
101         * @param clss
102         * @param method
103         * @param type
104         * @return all the capabilties of all
105         * @see Trigger assigned to class and method.
106         */
107        public TriggerCapability getTriggerCapability( String clss, String method, TRIGGER_TYPE type ) {
108    
109            LOG.logDebug( "get trigger capability for: ", clss + '.' + method );
110    
111            TriggerCapability tc = null;
112            TargetClass tgc = targetClasses.get( clss );
113            if ( tgc != null ) {
114                TargetMethod tm = tgc.getMethod( method );
115                if ( tm != null ) {
116                    if ( type.equals( TRIGGER_TYPE.PRE ) ) {
117                        tc = tm.getPreTrigger();
118                    } else {
119                        tc = tm.getPostTrigger();
120                    }
121                }
122            }
123            return tc;
124        }
125    
126        /**
127         * returns the mapping of java class names to
128         *
129         * @see TargetClass instances
130         * @return the mapping of java class names to
131         * @see TargetClass instances
132         */
133        Map<String, TargetClass> getClassMappings() {
134            return targetClasses;
135        }
136    
137        /**
138         * adds all mappings from the passed TriggerCapabilities to the current. The passed mappings
139         * will override the current mapping if necessary
140         *
141         * @param other
142         */
143        void merge( TriggerCapabilities other ) {
144            Iterator iter = other.getClassMappings().keySet().iterator();
145            while ( iter.hasNext() ) {
146                String key = (String) iter.next();
147                targetClasses.put( key, other.getClassMappings().get( key ) );
148            }
149        }
150    
151    }