/*
* 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;
import java.io.IOException;
import org.w3c.dom.Element;
import nextapp.echo2.app.ApplicationInstance;
import nextapp.echo2.webrender.BaseHtmlDocument;
import nextapp.echo2.webrender.Connection;
import nextapp.echo2.webrender.ContentType;
import nextapp.echo2.webrender.Service;
import nextapp.echo2.webrender.WebRenderServlet;
import nextapp.echo2.webrender.output.CssStyle;
import nextapp.echo2.webrender.service.CoreServices;
/**
* Completely re-renders a browser window.
* This is the default service invoked when the user visits an application.
*/
public class WindowHtmlService
implements Service {
public static final WindowHtmlService INSTANCE = new WindowHtmlService();
/**
* Root element identifier.
*/
public static final String ROOT_ID = "c_root";
/**
* @see nextapp.echo2.webrender.Service#getId()
*/
public String getId() {
return WebRenderServlet.SERVICE_ID_DEFAULT;
}
/**
* @see nextapp.echo2.webrender.Service#getVersion()
*/
public int getVersion() {
return DO_NOT_CACHE;
}
/**
* @see nextapp.echo2.webrender.Service#service(nextapp.echo2.webrender.Connection)
*/
public void service(Connection conn) throws IOException {
ContainerInstance ci = (ContainerInstance) conn.getUserInstance();
conn.setContentType(ContentType.TEXT_HTML);
boolean debug = !("false".equals(conn.getServlet().getInitParameter("echo2.debug")));
BaseHtmlDocument baseDoc = new BaseHtmlDocument(ROOT_ID);
baseDoc.setGenarator(ApplicationInstance.ID_STRING);
baseDoc.addJavaScriptInclude(ci.getServiceUri(CoreServices.CLIENT_ENGINE));
// Add initialization directive.
baseDoc.getBodyElement().setAttribute("onload", "EchoClientEngine.init('" + ci.getServletUri() + "', "
+ debug + ");");
Element bodyElement = baseDoc.getBodyElement();
// Set body element CSS style.
CssStyle cssStyle = new CssStyle();
cssStyle.setAttribute("position", "absolute");
cssStyle.setAttribute("font-family", "verdana, arial, helvetica, sans-serif");
cssStyle.setAttribute("font-size", "10pt");
cssStyle.setAttribute("height", "100%");
cssStyle.setAttribute("width", "100%");
cssStyle.setAttribute("padding", "0px");
cssStyle.setAttribute("margin", "0px");
cssStyle.setAttribute("overflow", "hidden");
bodyElement.setAttribute("style", cssStyle.renderInline());
// Render.
baseDoc.render(conn.getWriter());
}
}