| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 Container. |
| * |
| * @author Craig R. McClanahan |
| */ |
| public final class ContainerEvent extends EventObject { |
| |
| private static final long serialVersionUID = 1L; |
| |
| /** |
| * The event data associated with this event. |
| */ |
| private final Object data; |
| |
| |
| /** |
| * The event type this instance represents. |
| */ |
| private final String type; |
| |
| |
| /** |
| * Construct a new ContainerEvent with the specified parameters. |
| * |
| * @param container Container on which this event occurred |
| * @param type Event type |
| * @param data Event data |
| */ |
| public ContainerEvent(Container container, String type, Object data) { |
| super(container); |
| this.type = type; |
| this.data = data; |
| } |
| |
| |
| /** |
| * Return the event data of this event. |
| * |
| * @return The data, if any, associated with this event. |
| */ |
| public Object getData() { |
| return this.data; |
| } |
| |
| |
| /** |
| * Return the Container on which this event occurred. |
| * |
| * @return The Container on which this event occurred. |
| */ |
| public Container getContainer() { |
| return (Container) getSource(); |
| } |
| |
| |
| /** |
| * Return the event type of this event. |
| * |
| * @return The event type of this event. Although this is a String, it is |
| * safe to rely on the value returned by this method remaining |
| * consistent between point releases. |
| */ |
| public String getType() { |
| return this.type; |
| } |
| |
| |
| /** |
| * Return a string representation of this event. |
| */ |
| @Override |
| public String toString() { |
| return ("ContainerEvent['" + getContainer() + "','" + |
| getType() + "','" + getData() + "']"); |
| } |
| } |