1 /** 2 * Dream 3 * Copyright (C) 2003-2004 INRIA Rhone-Alpes 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 * 19 * Contact : dream@objectweb.org 20 * 21 * Initial developer(s): Matthieu Leclercq 22 * Contributor(s): Vivien Quema 23 */ 24 25 package org.objectweb.dream.message; 26 27 import java.util.Iterator; 28 29 /** 30 * Extends the Message interface and allows sub messages to be retrieved using a 31 * name. Note that it is optional to associate sub messages with names. 32 * <code>MessageNC</code> is a <i>naming context </i> for its sub messages 33 * having a name. This means that a message can not have two sub messages with 34 * the same name. 35 */ 36 public interface MessageNC extends Message 37 { 38 39 /** 40 * Returns a sub message of this message, or <code>null</code> if this 41 * message doesn't have a sub message with the specified name. 42 * 43 * @param name the name of the sub message, as specified in the message type. 44 * @return a sub message of this message. 45 */ 46 Message getSubMessage(String name); 47 48 /** 49 * Returns an <code>Iterator</code> that iterate over the unnamed sub 50 * messages of this message. 51 * 52 * @return an iterator on the sub messages. 53 */ 54 Iterator getUnnamedSubMessageIterator(); 55 56 /** 57 * Returns an (eventually empty) array containing the unnamed sub messages of 58 * this message. 59 * 60 * @return an array containing the sub messages of this message. 61 */ 62 Message[] getUnnamedSubMessages(); 63 64 }