001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.event;
016    
017    import java.util.Collection;
018    import java.util.EventObject;
019    
020    import org.apache.hivemind.util.Defense;
021    import org.apache.tapestry.describe.DescriptionReceiver;
022    
023    /**
024     * Event object used by {@link org.apache.tapestry.event.ReportStatusListener};
025     * the event implements {@link org.apache.tapestry.describe.DescriptionReceiver};
026     * classes (typically, HiveMind service implementations) that implement the
027     * listener interface will "describe" themselves to the event.
028     * 
029     * @author Howard M. Lewis Ship
030     * @since 4.0
031     */
032    public class ReportStatusEvent extends EventObject implements
033            DescriptionReceiver
034    {
035    
036        /**
037         * serialVersionUID.
038         */
039        private static final long serialVersionUID = 7546818328708861783L;
040        
041        private final DescriptionReceiver _receiver;
042    
043        public ReportStatusEvent(Object source, DescriptionReceiver receiver)
044        {
045            super(source);
046    
047            Defense.notNull(receiver, "receiver");
048    
049            _receiver = receiver;
050        }
051    
052        public void array(String key, Object[] values)
053        {
054            _receiver.array(key, values);
055        }
056    
057        public void collection(String key, Collection values)
058        {
059            _receiver.collection(key, values);
060        }
061    
062        public void describeAlternate(Object alternate)
063        {
064            _receiver.describeAlternate(alternate);
065        }
066    
067        public void property(String key, boolean value)
068        {
069            _receiver.property(key, value);
070        }
071    
072        public void property(String key, byte value)
073        {
074            _receiver.property(key, value);
075        }
076    
077        public void property(String key, char value)
078        {
079            _receiver.property(key, value);
080        }
081    
082        public void property(String key, double value)
083        {
084            _receiver.property(key, value);
085        }
086    
087        public void property(String key, float value)
088        {
089            _receiver.property(key, value);
090        }
091    
092        public void property(String key, int value)
093        {
094            _receiver.property(key, value);
095        }
096    
097        public void property(String key, long value)
098        {
099            _receiver.property(key, value);
100        }
101    
102        public void property(String key, Object value)
103        {
104            _receiver.property(key, value);
105        }
106    
107        public void property(String key, short value)
108        {
109            _receiver.property(key, value);
110        }
111    
112        public void section(String section)
113        {
114            _receiver.section(section);
115        }
116    
117        public void title(String title)
118        {
119            _receiver.title(title);
120        }
121    }