| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package org.apache.catalina; |
| |
| |
| import java.util.EventObject; |
| |
| |
| /** |
| * General event for notifying listeners of significant changes on a component |
| * that implements the Lifecycle interface. In particular, this will be useful |
| * on Containers, where these events replace the ContextInterceptor concept in |
| * Tomcat 3.x. |
| * |
| * @author Craig R. McClanahan |
| * @version $Revision$ $Date$ |
| */ |
| |
| public final class LifecycleEvent |
| extends EventObject { |
| |
| |
| // ----------------------------------------------------------- Constructors |
| |
| |
| /** |
| * Construct a new LifecycleEvent with the specified parameters. |
| * |
| * @param lifecycle Component on which this event occurred |
| * @param type Event type (required) |
| */ |
| public LifecycleEvent(Lifecycle lifecycle, String type) { |
| |
| this(lifecycle, type, null); |
| |
| } |
| |
| |
| /** |
| * Construct a new LifecycleEvent with the specified parameters. |
| * |
| * @param lifecycle Component on which this event occurred |
| * @param type Event type (required) |
| * @param data Event data (if any) |
| */ |
| public LifecycleEvent(Lifecycle lifecycle, String type, Object data) { |
| |
| super(lifecycle); |
| this.lifecycle = lifecycle; |
| this.type = type; |
| this.data = data; |
| |
| } |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| /** |
| * The event data associated with this event. |
| */ |
| private Object data = null; |
| |
| |
| /** |
| * The Lifecycle on which this event occurred. |
| */ |
| private Lifecycle lifecycle = null; |
| |
| |
| /** |
| * The event type this instance represents. |
| */ |
| private String type = null; |
| |
| |
| // ------------------------------------------------------------- Properties |
| |
| |
| /** |
| * Return the event data of this event. |
| */ |
| public Object getData() { |
| |
| return (this.data); |
| |
| } |
| |
| |
| /** |
| * Return the Lifecycle on which this event occurred. |
| */ |
| public Lifecycle getLifecycle() { |
| |
| return (this.lifecycle); |
| |
| } |
| |
| |
| /** |
| * Return the event type of this event. |
| */ |
| public String getType() { |
| |
| return (this.type); |
| |
| } |
| |
| |
| } |