/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/jsf/trunk/jsf-widgets/src/java/org/sakaiproject/jsf/renderer/AppletRenderer.java $
* $Id: AppletRenderer.java 105077 2012-02-24 22:54:29Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (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.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.jsf.renderer;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
import org.sakaiproject.jsf.util.RendererUtil;
import java.util.Map;
import java.util.Map.Entry;
import java.util.HashMap;
import java.util.Iterator;
import java.util.StringTokenizer;
/**
* <p>Description: </p>
* <p>Render an applet in a browser-indepemdent way
*
* <p>Copyright: Copyright (c) 2005</p>
* <p>Organization: Sakai Project</p>
* @author Ed Smiley
* @version $Id: AppletRenderer.java 105077 2012-02-24 22:54:29Z ottenhoff@longsight.com $
*/
public class AppletRenderer
extends Renderer
{
private static final String IE_CODEBASE =
"http://java.sun.com/products/plugin/1.4/jinstall-14-win32.cab#Version=1,4,0,mn";
private static final String NS_PLUGINSPAGE =
"http://java.sun.com/products/plugin/1.4/plugin-install.html";
private static final String VERSION = "1.4";
private static final String DEFAULT_WIDTH = "200";
private static final String DEFAULT_HEIGHT = "200";
private static final String DEFAULT_VSPACE = "0";
private static final String DEFAULT_HSPACE = "0";
public boolean supportsComponentType(UIComponent component)
{
return (component instanceof UIOutput);
}
/**
* @todo apply attributes
* <p>Faces render output method .</p>
* <p>Method Generator: org.sakaiproject.jsf.devtool.RenderMaker</p>
*
* @param context <code>FacesContext</code> for the current request
* @param component <code>UIComponent</code> being rendered
*
* @throws IOException if an input/output error occurs
*/
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException
{
if (!component.isRendered())
{
return;
}
String width = (String) RendererUtil.getDefaultedAttribute(context, component, "width", DEFAULT_WIDTH);
String height = (String) RendererUtil.getDefaultedAttribute(context, component, "height", DEFAULT_HEIGHT);
String vspace = (String) RendererUtil.getDefaultedAttribute(context, component, "vspace", DEFAULT_VSPACE);
String hspace = (String) RendererUtil.getDefaultedAttribute(context, component, "hspace", DEFAULT_HSPACE);
String javaClass = (String) RendererUtil.getAttribute(context, component, "javaClass");
String javaArchive = (String) RendererUtil.getAttribute(context, component, "javaArchive");
String codebase = (String) RendererUtil.getAttribute(context, component, "codebase");
String paramList = (String) RendererUtil.getAttribute(context, component, "paramList");
String name = (String) RendererUtil.getAttribute(context, component, "name");
Map appParamMap = makeAppletParameters(paramList);
if(null!=codebase) appParamMap.put("codebase", codebase);
if(null!=javaArchive) appParamMap.put("archive", javaArchive);
//if(null!=name) appParamMap.put("id", name);
appParamMap.put("code", javaClass);
ResponseWriter writer = context.getResponseWriter();
renderApplet(width, height, vspace, hspace, codebase, javaClass,
javaArchive,
name,
appParamMap, writer);
}
/**
* Accept a comma separated list of name value pairs.
* @todo quotations to escape out "," and "=".
* Usage: <sakai:applet ... paramList="param1=value1,param2=value2,..."...
* @param paramList
* @return
*/
private Map makeAppletParameters(String paramList)
{
Map appParamMap = new HashMap();
if (paramList != null){
StringTokenizer paramsTokenizer = new StringTokenizer(paramList, ",", false);
while (paramsTokenizer.hasMoreTokens())
{
StringTokenizer nameValueTokenizer =
new StringTokenizer(paramsTokenizer.nextToken(), "=", false);
if (nameValueTokenizer.countTokens()<2) continue;
String name = nameValueTokenizer.nextToken();
String value = nameValueTokenizer.nextToken();
appParamMap.put(name, value);
}
}
return appParamMap;
}
/**
* Render applet in browser independent way.
* @param width value of the corresponding tag attribute
* @param height value of the corresponding tag attribute
* @param vspace value of the corresponding tag attribute
* @param hspace value of the corresponding tag attribute
* @param codebase value of the corresponding tag attribute
* @param javaClass value of the corresponding tag attribute
* @param javaArchive value of the corresponding tag attribute
* @param version value of the corresponding tag attribute
* @param appParamMap comma separated list of name value pairs from paramList
* tag attribute
*
* @param writer ResponseWriter
* @throws IOException
*/
// <OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
// width="200" height="200" align="baseline"
// codebase="http://java.sun.com/products/plugin/1.4/jinstall-14-win32.cab#Version=1,4,0,mn">
// <PARAM NAME="code" VALUE="XYZApp.class">
// <PARAM NAME="codebase" VALUE="html/">
// <PARAM NAME="type" VALUE="application/x-java-applet;jpi-version=1.4">
// <PARAM NAME="model" VALUE="models/HyaluronicAcid.xyz">
// <PARAM NAME="scriptable" VALUE="true">
// <COMMENT>
// <EMBED type="application/x-java-applet;jpi-version=1.4" width="200"
// height="200" align="baseline" code="XYZApp.class"
// codebase="html/" model="models/HyaluronicAcid.xyz"
// pluginspage="http://java.sun.com/j2se/1.4/download.html">
// <NOEMBED>
// No Java 2 SDK, Standard Edition v 1.4 support for APPLET!!
// </NOEMBED>
// </EMBED>
// </COMMENT>
//</OBJECT>
private void renderApplet(String width, String height, String vspace,
String hspace, String codebase, String javaClass, String javaArchive,
String name,
Map appParamMap, ResponseWriter writer)
throws IOException
{
writer.write("");
writer.write("<OBJECT ");
writer.write(" classid=\"clsid:8AD9C840-044E-11D1-B3E9-00805F499D93\" ");
writer.write(" width=\"" + width + "\" ");
writer.write(" height=\"" + height + "\" ");
writer.write(" hspace=\"" + hspace + "\" ");
writer.write(" vspace=\"" + vspace + "\" ");
writer.write(" codebase=\"" + IE_CODEBASE + "\"");
writer.write(" archive=\"" + javaArchive + "\"");
writer.write(" id=\"" + name + "\"");
writer.write(">");
// writer.write(" <PARAM name=\"java_code\" value=\"" + javaClass + "\">");
// writer.write(" <PARAM name=\"java_archive\" value=\"" + javaArchive +
// ">");
writer.write(
" <PARAM name=\"type\" value=\"application/x-java-applet;version=" +
VERSION + "\">");
renderObjectParams(writer, appParamMap);
writer.write("<COMMENT>");
writer.write("<EMBED ");
writer.write(" type=\"application/x-java-applet;version=" + VERSION +
"\" ");
writer.write(" width=\"" + width + "\" ");
writer.write(" height=\"" + height + "\" ");
writer.write(" hspace=\"" + hspace + "\" ");
writer.write(" vspace=\"" + vspace + "\" ");
writer.write(" pluginspage=\"" + NS_PLUGINSPAGE + "\" ");
// writer.write(" java_code=\"" + javaClass + "\"");
// writer.write(" java_archive=\"" + javaArchive + "");
// if the name is not null duplicate it to the id param
if(null!=name) {
appParamMap.put("id", name);
appParamMap.put("name", name);
}
renderEmbedParams(writer, appParamMap);
writer.write("/>");
writer.write("");
writer.write("<NOEMBED>");
writer.write(" <font color=\"red\">");
writer.write(" Note: Requires Java Plug-in " + VERSION + ".");
writer.write(" </b></font><br/>");
writer.write("</NOEMBED>");
writer.write("</COMMENT>");
writer.write("</OBJECT>");
}
/**
* Render Map of Embed tag params,
* @param writer
* @param appParamMap
* @throws IOException
*/
private void renderEmbedParams(ResponseWriter writer, Map appParamMap)
throws IOException
{
Iterator paramIter = appParamMap.entrySet().iterator();
while (paramIter.hasNext())
{
Entry entrySet = (Entry) paramIter.next();
String name = (String) entrySet.getKey();
String value = (String) entrySet.getValue();
writer.write(" " + name + "=\"" + value + "\" ");
}
}
/**
* Render Map of Object PARAMs.
* @param writer
* @param appParamMap
* @throws IOException
*/
private void renderObjectParams(ResponseWriter writer, Map appParamMap)
throws IOException
{
Iterator iter = appParamMap.entrySet().iterator();
while (iter.hasNext())
{
Entry entrySet = (Entry) iter.next();
String name = (String) entrySet.getKey();
String value = (String) entrySet.getValue();
writer.write(" <PARAM name=\"" +
name +
"\" value=\"" +
value + "\">");
}
}
}