01: /*
02: * This file is part of the Echo Web Application Framework (hereinafter "Echo").
03: * Copyright (C) 2002-2005 NextApp, Inc.
04: *
05: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
06: *
07: * The contents of this file are subject to the Mozilla Public License Version
08: * 1.1 (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: * http://www.mozilla.org/MPL/
11: *
12: * Software distributed under the License is distributed on an "AS IS" basis,
13: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14: * for the specific language governing rights and limitations under the
15: * License.
16: *
17: * Alternatively, the contents of this file may be used under the terms of
18: * either the GNU General Public License Version 2 or later (the "GPL"), or
19: * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20: * in which case the provisions of the GPL or the LGPL are applicable instead
21: * of those above. If you wish to allow use of your version of this file only
22: * under the terms of either the GPL or the LGPL, and not to allow others to
23: * use your version of this file under the terms of the MPL, indicate your
24: * decision by deleting the provisions above and replace them with the notice
25: * and other provisions required by the GPL or the LGPL. If you do not delete
26: * the provisions above, a recipient may use your version of this file under
27: * the terms of any one of the MPL, the GPL or the LGPL.
28: */
29:
30: package nextapp.echo2.webrender.servermessage;
31:
32: import nextapp.echo2.webrender.ServerDelayMessage;
33: import nextapp.echo2.webrender.ServerMessage;
34: import nextapp.echo2.webrender.output.HtmlDocument;
35:
36: import org.w3c.dom.Document;
37: import org.w3c.dom.Element;
38:
39: /**
40: * A <code>ServerMessage</code>-utility class to render <Code>EchoServerDelayMessage</code>
41: * message processor directives to configure the client-side message displayed
42: * during short- and long-running server interactions.
43: */
44: public class ServerDelayMessageUpdate {
45:
46: /**
47: * Creates a new <code>setMessage</code> directive.
48: *
49: * @param serverMessage the relevant <code>ServerMessage</code>
50: */
51: public static void renderUpdateDirective(
52: ServerMessage serverMessage,
53: ServerDelayMessage serverDelayMessage) {
54: Document document = serverMessage.getDocument();
55: Element setMessageElement = serverMessage.appendPartDirective(
56: ServerMessage.GROUP_ID_INIT,
57: "EchoServerDelayMessage.MessageProcessor",
58: "set-message");
59: if (serverDelayMessage == null) {
60: return;
61: }
62:
63: Element contentContainerElement = serverMessage.getDocument()
64: .createElement("content");
65: setMessageElement.appendChild(contentContainerElement);
66:
67: Element messageElement = (Element) document.importNode(
68: serverDelayMessage.getMessage(), true);
69: messageElement.setAttribute("xmlns",
70: HtmlDocument.XHTML_1_0_NAMESPACE_URI);
71:
72: if (!ServerDelayMessage.ELEMENT_ID_MESSAGE
73: .equals(messageElement.getAttribute("id"))) {
74: throw new IllegalStateException(
75: "Invalid ServerDelayMessage: incorrect root element id: "
76: + messageElement.getAttribute("id"));
77: }
78:
79: contentContainerElement.appendChild(messageElement);
80: }
81: }
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