001: /*
002: * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/ContainerEvent.java,v 1.4 2001/10/26 02:03:28 craigmcc Exp $
003: * $Revision: 1.4 $
004: * $Date: 2001/10/26 02:03:28 $
005: *
006: * ====================================================================
007: *
008: * The Apache Software License, Version 1.1
009: *
010: * Copyright (c) 1999 The Apache Software Foundation. All rights
011: * reserved.
012: *
013: * Redistribution and use in source and binary forms, with or without
014: * modification, are permitted provided that the following conditions
015: * are met:
016: *
017: * 1. Redistributions of source code must retain the above copyright
018: * notice, this list of conditions and the following disclaimer.
019: *
020: * 2. Redistributions in binary form must reproduce the above copyright
021: * notice, this list of conditions and the following disclaimer in
022: * the documentation and/or other materials provided with the
023: * distribution.
024: *
025: * 3. The end-user documentation included with the redistribution, if
026: * any, must include the following acknowlegement:
027: * "This product includes software developed by the
028: * Apache Software Foundation (http://www.apache.org/)."
029: * Alternately, this acknowlegement may appear in the software itself,
030: * if and wherever such third-party acknowlegements normally appear.
031: *
032: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
033: * Foundation" must not be used to endorse or promote products derived
034: * from this software without prior written permission. For written
035: * permission, please contact apache@apache.org.
036: *
037: * 5. Products derived from this software may not be called "Apache"
038: * nor may "Apache" appear in their names without prior written
039: * permission of the Apache Group.
040: *
041: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
042: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
043: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
044: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
045: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
046: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
047: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
048: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
049: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
050: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
051: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
052: * SUCH DAMAGE.
053: * ====================================================================
054: *
055: * This software consists of voluntary contributions made by many
056: * individuals on behalf of the Apache Software Foundation. For more
057: * information on the Apache Software Foundation, please see
058: * <http://www.apache.org/>.
059: *
060: * [Additional notices, if required by prior licensing conditions]
061: *
062: */
063:
064: package org.apache.catalina;
065:
066: import java.util.EventObject;
067:
068: /**
069: * General event for notifying listeners of significant changes on a Container.
070: *
071: * @author Craig R. McClanahan
072: * @version $Revision: 1.4 $ $Date: 2001/10/26 02:03:28 $
073: */
074:
075: public final class ContainerEvent extends EventObject {
076:
077: /**
078: * The Container on which this event occurred.
079: */
080: private Container container = null;
081:
082: /**
083: * The event data associated with this event.
084: */
085: private Object data = null;
086:
087: /**
088: * The event type this instance represents.
089: */
090: private String type = null;
091:
092: /**
093: * Construct a new ContainerEvent with the specified parameters.
094: *
095: * @param container Container on which this event occurred
096: * @param type Event type
097: * @param data Event data
098: */
099: public ContainerEvent(Container container, String type, Object data) {
100:
101: super (container);
102: this .container = container;
103: this .type = type;
104: this .data = data;
105:
106: }
107:
108: /**
109: * Return the event data of this event.
110: */
111: public Object getData() {
112:
113: return (this .data);
114:
115: }
116:
117: /**
118: * Return the Container on which this event occurred.
119: */
120: public Container getContainer() {
121:
122: return (this .container);
123:
124: }
125:
126: /**
127: * Return the event type of this event.
128: */
129: public String getType() {
130:
131: return (this .type);
132:
133: }
134:
135: /**
136: * Return a string representation of this event.
137: */
138: public String toString() {
139:
140: return ("ContainerEvent['" + getContainer() + "','" + getType()
141: + "','" + getData() + "']");
142:
143: }
144:
145: }
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