1 /* 2 * Copyright 2009 Mike Cumings 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.kenai.jbosh; 18 19 import java.util.EventObject; 20 21 /** 22 * Event representing a message sent to or from a BOSH connection manager. 23 * <p/> 24 * This class is immutable and thread-safe. 25 */ 26 public final class BOSHMessageEvent extends EventObject { 27 28 /** 29 * Serialized version. 30 */ 31 private static final long serialVersionUID = 1L; 32 33 /** 34 * Message which was sent or received. 35 */ 36 private final AbstractBody body; 37 38 /** 39 * Creates a new message event instance. 40 * 41 * @param source event source 42 * @param cBody message body 43 */ BOSHMessageEvent( final Object source, final AbstractBody cBody)44 private BOSHMessageEvent( 45 final Object source, 46 final AbstractBody cBody) { 47 super(source); 48 if (cBody == null) { 49 throw(new IllegalArgumentException( 50 "message body may not be null")); 51 } 52 body = cBody; 53 } 54 55 /** 56 * Creates a new message event for clients sending events to the 57 * connection manager. 58 * 59 * @param source sender of the message 60 * @param body message body 61 * @return event instance 62 */ createRequestSentEvent( final BOSHClient source, final AbstractBody body)63 static BOSHMessageEvent createRequestSentEvent( 64 final BOSHClient source, 65 final AbstractBody body) { 66 return new BOSHMessageEvent(source, body); 67 } 68 69 /** 70 * Creates a new message event for clients receiving new messages 71 * from the connection manager. 72 * 73 * @param source receiver of the message 74 * @param body message body 75 * @return event instance 76 */ createResponseReceivedEvent( final BOSHClient source, final AbstractBody body)77 static BOSHMessageEvent createResponseReceivedEvent( 78 final BOSHClient source, 79 final AbstractBody body) { 80 return new BOSHMessageEvent(source, body); 81 } 82 83 /** 84 * Gets the message body which was sent or received. 85 * 86 * @return message body 87 */ getBody()88 public AbstractBody getBody() { 89 return body; 90 } 91 92 } 93