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/* 
 * This file is part of the Echo Web Application Framework (hereinafter "Echo").
 * Copyright (C) 2002-2009 NextApp, Inc.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */

package nextapp.echo2.webcontainer.syncpeer;

import org.w3c.dom.Element;

import nextapp.echo2.app.Command;
import nextapp.echo2.webcontainer.CommandSynchronizePeer;
import nextapp.echo2.webcontainer.RenderContext;
import nextapp.echo2.webcontainer.command.BrowserOpenWindowCommand;
import nextapp.echo2.webcontainer.command.BrowserRedirectCommand;
import nextapp.echo2.webcontainer.command.BrowserSetCookieCommand;
import nextapp.echo2.webrender.ServerMessage;
import nextapp.echo2.webrender.Service;
import nextapp.echo2.webrender.WebRenderServlet;
import nextapp.echo2.webrender.service.JavaScriptService;

/**
 * A CommandSynchronizePeer implementation for 
 * browser control commands.
 * 

* This class should not be extended or used by classes outside of the * Echo framework. */ public class BrowserCommandPeer implements CommandSynchronizePeer { /** * Service to provide supporting JavaScript library. */ private static final Service BROWSER_COMMAND_SERVICE = JavaScriptService.forResource("Echo.BrowserCommand", "/nextapp/echo2/webcontainer/resource/js/BrowserCommand.js"); static { WebRenderServlet.getServiceRegistry().add(BROWSER_COMMAND_SERVICE); } /** * @see nextapp.echo2.webcontainer.CommandSynchronizePeer#render( * nextapp.echo2.webcontainer.RenderContext, nextapp.echo2.app.Command) */ public void render(RenderContext rc, Command command) { if (command instanceof BrowserOpenWindowCommand) { renderOpenWindow(rc, (BrowserOpenWindowCommand) command); } else if (command instanceof BrowserRedirectCommand) { renderRedirect(rc, (BrowserRedirectCommand) command); } else if (command instanceof BrowserSetCookieCommand) { renderSetCookie(rc, (BrowserSetCookieCommand) command); } else { throw new IllegalArgumentException(); } } /** * Renders a BrowserSetCookieCommand. * * @param rc the relevant RenderContext * @param command the command */ private void renderSetCookie(RenderContext rc, BrowserSetCookieCommand command) { rc.getConnection().getResponse().addCookie(command.getCookie()); } /** * Renders a BrowserOpenWindowCommand. * * @param rc the relevant RenderContext * @param command the command */ private void renderOpenWindow(RenderContext rc, BrowserOpenWindowCommand command) { ServerMessage serverMessage = rc.getServerMessage(); serverMessage.addLibrary(BROWSER_COMMAND_SERVICE.getId()); Element openWindowElement = serverMessage.appendPartDirective(ServerMessage.GROUP_ID_POSTUPDATE, "EchoBrowserCommand.MessageProcessor", "open-window"); openWindowElement.setAttribute("uri", command.getUri()); if (command.getName() != null) { openWindowElement.setAttribute("name", command.getName()); } if (command.getFeatures() != null) { openWindowElement.setAttribute("features", command.getFeatures()); } openWindowElement.setAttribute("replace", command.isReplace() ? "true" : "false"); } /** * Renders a BrowserRedirectCommand. * * @param rc the relevant RenderContext * @param command the command */ private void renderRedirect(RenderContext rc, BrowserRedirectCommand command) { ServerMessage serverMessage = rc.getServerMessage(); serverMessage.addLibrary(BROWSER_COMMAND_SERVICE.getId()); Element redirectElement = serverMessage.appendPartDirective(ServerMessage.GROUP_ID_POSTUPDATE, "EchoBrowserCommand.MessageProcessor", "redirect"); redirectElement.setAttribute("uri", command.getUri()); } }





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