001    /**
002     * Copyright 2003-2005 Arthur van Hoff, Rick Blair
003     *
004     * Licensed to the Apache Software Foundation (ASF) under one or more
005     * contributor license agreements.  See the NOTICE file distributed with
006     * this work for additional information regarding copyright ownership.
007     * The ASF licenses this file to You under the Apache License, Version 2.0
008     * (the "License"); you may not use this file except in compliance with
009     * the License.  You may obtain a copy of the License at
010     *
011     *      http://www.apache.org/licenses/LICENSE-2.0
012     *
013     * Unless required by applicable law or agreed to in writing, software
014     * distributed under the License is distributed on an "AS IS" BASIS,
015     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016     * See the License for the specific language governing permissions and
017     * limitations under the License.
018     */
019    package org.apache.activemq.jmdns;
020    
021    import java.util.EventObject;
022    import java.util.logging.Logger;
023    
024    /**
025     * ServiceEvent.
026     *
027     * @author Werner Randelshofer, Rick Blair
028     * @version %I%, %G%
029     */
030    public class ServiceEvent extends EventObject
031    {
032        private static Logger logger = Logger.getLogger(ServiceEvent.class.toString());
033        /**
034         * The type name of the service.
035         */
036        private String type;
037        /**
038         * The instance name of the service. Or null, if the event was
039         * fired to a service type listener.
040         */
041        private String name;
042        /**
043         * The service info record, or null if the service could be be resolved.
044         * This is also null, if the event was fired to a service type listener.
045         */
046        private ServiceInfo info;
047    
048        /**
049         * Creates a new instance.
050         *
051         * @param source the JmDNS instance which originated the event.
052         * @param type   the type name of the service.
053         * @param name   the instance name of the service.
054         * @param info   the service info record, or null if the service could be be resolved.
055         */
056        public ServiceEvent(JmDNS source, String type, String name, ServiceInfo info)
057        {
058            super(source);
059            this.type = type;
060            this.name = name;
061            this.info = info;
062        }
063    
064        /**
065         * Returns the JmDNS instance which originated the event.
066         */
067        public JmDNS getDNS()
068        {
069            return (JmDNS) getSource();
070        }
071    
072        /**
073         * Returns the fully qualified type of the service.
074         */
075        public String getType()
076        {
077            return type;
078        }
079    
080        /**
081         * Returns the instance name of the service.
082         * Always returns null, if the event is sent to a service type listener.
083         */
084        public String getName()
085        {
086            return name;
087        }
088    
089        /**
090         * Returns the service info record, or null if the service could not be
091         * resolved.
092         * Always returns null, if the event is sent to a service type listener.
093         */
094        public ServiceInfo getInfo()
095        {
096            return info;
097        }
098    
099        public String toString()
100        {
101            StringBuffer buf = new StringBuffer();
102            buf.append("<" + getClass().getName() + "> ");
103            buf.append(super.toString());
104            buf.append(" name ");
105            buf.append(getName());
106            buf.append(" type ");
107            buf.append(getType());
108            buf.append(" info ");
109            buf.append(getInfo());
110            return buf.toString();
111        }
112    
113    }