1 /* ==================================================================== 2 * The Apache Software License, Version 1.1 3 * 4 * Copyright (c) 2000-2001 The Apache Software Foundation. All rights 5 * reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * 3. The end-user documentation included with the redistribution, 20 * if any, must include the following acknowledgment: 21 * "This product includes software developed by the 22 * Apache Software Foundation (http://www.apache.org/)." 23 * Alternately, this acknowledgment may appear in the software itself, 24 * if and wherever such third-party acknowledgments normally appear. 25 * 26 * 4. The names "Apache" and "Apache Software Foundation" and 27 * "Apache Jetspeed" must not be used to endorse or promote products 28 * derived from this software without prior written permission. For 29 * written permission, please contact apache@apache.org. 30 * 31 * 5. Products derived from this software may not be called "Apache" or 32 * "Apache Jetspeed", nor may "Apache" appear in their name, without 33 * prior written permission of the Apache Software Foundation. 34 * 35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 * ==================================================================== 48 * 49 * This software consists of voluntary contributions made by many 50 * individuals on behalf of the Apache Software Foundation. For more 51 * information on the Apache Software Foundation, please see 52 * <http://www.apache.org/>. 53 */ 54 55 package org.apache.jetspeed.portlet.event; 56 57 import org.apache.jetspeed.portlet.PortletMessage; 58 59 /** 60 ** A <CODE>MessageEvent</CODE> is sent by the portlet container if 61 ** one portlets send a message to another. 62 ** 63 ** @see PortletMessage 64 ** @see MessageListener 65 ** @see MessageAdapter 66 ** 67 ** @author <A HREF="mailto:tboehme@us.ibm.com">Thomas F. Boehme</A> 68 **/ 69 70 public interface MessageEvent extends Event 71 { 72 /** 73 ** Event identifier indicating that a message has been received. 74 ** 75 ** <P> 76 ** An event with this id is fired when one portlet (the source) 77 ** sends a message to another portlet (the target). The target 78 ** portlet is specified by name. 79 **/ 80 81 public final static int MESSAGE_RECEIVED = 1001; 82 83 /** 84 ** Returns the message that this event carries. The message format 85 ** is entirely open and has to be defined and documented by the 86 ** source portlet. 87 ** 88 ** @return the portlet message 89 **/ 90 91 public PortletMessage getMessage (); 92 }