com.sun.webui.jsf.renderkit.ajax.ProgressBarRenderer Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://woodstock.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at https://woodstock.dev.java.net/public/CDDLv1.0.html.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.webui.jsf.renderkit.ajax;
import com.sun.faces.annotation.Renderer;
import com.sun.webui.jsf.component.ProgressBar;
import java.io.IOException;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.json.JSONException;
import org.json.JSONObject;
/**
* This class responds to Ajax requests made to ProgressBar components.
*/
@Renderer(@Renderer.Renders(rendererType = "com.sun.webui.jsf.ajax.ProgressBar",
componentFamily = "com.sun.webui.jsf.ProgressBar"))
public class ProgressBarRenderer extends javax.faces.render.Renderer {
/**
* Decode the component component
*
* @param context The FacesContext associated with this request
* @param component The ProgressBar component to decode
*/
@Override
public void decode(FacesContext context, UIComponent component) {
if (context == null || component == null) {
throw new NullPointerException();
}
String id = component.getClientId(context);
Map params = context.getExternalContext().getRequestParameterMap();
String buttonId = id + "_" + "controlType"; //NOI18N
Object valueObject = params.get(buttonId);
String value = null;
if (valueObject != null) {
value = ((String) valueObject).trim();
ProgressBar progressBar = (ProgressBar) component;
if (ProgressBar.TASK_STOPPED.equals(value)) {
progressBar.setTaskState(ProgressBar.TASK_STOPPED);
} else if (ProgressBar.TASK_PAUSED.equals(value)) {
progressBar.setTaskState(ProgressBar.TASK_PAUSED);
} else if (ProgressBar.TASK_RESUMED.equals(value)) {
progressBar.setTaskState(ProgressBar.TASK_RESUMED);
} else if (ProgressBar.TASK_CANCELED.equals(value)) {
progressBar.setTaskState(ProgressBar.TASK_CANCELED);
}
}
}
/**
* Render the beginning of the specified UIComponent to the output stream or
* writer associated with the response we are creating.
*
* @param context FacesContext for the current request.
* @param component UIComponent to be rendered.
*
* @exception IOException if an input/output error occurs.
* @exception NullPointerException if context or component is null.
*/
@Override
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
// Do nothing...
}
/**
* Render the children of the specified UIComponent to the output stream or
* writer associated with the response we are creating.
*
* @param context FacesContext for the current request.
* @param component UIComponent to be rendered.
*
* @exception IOException if an input/output error occurs.
* @exception NullPointerException if context or component is null.
*/
@Override
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
// Do nothing...
}
/**
* Render the ending of the specified UIComponent to the output stream or
* writer associated with the response we are creating.
*
* @param context FacesContext for the current request.
* @param component UIComponent to be rendered.
*
* @exception IOException if an input/output error occurs.
* @exception NullPointerException if context or component is null.
*/
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
if (context == null || component == null) {
throw new NullPointerException();
}
if (!component.isRendered()) {
return;
}
ProgressBar progressBar = (ProgressBar) component;
int progress = progressBar.getProgress();
String status = progressBar.getStatus();
String topText = progressBar.getDescription();
String logMessage = progressBar.getLogMessage();
String failedStateText = progressBar.getFailedStateText();
// Top text facet.
UIComponent topTextFacet = component.getFacet(ProgressBar.TOPTEXT_FACET);
if (topTextFacet != null) {
topText = null;
}
UIComponent bottomTextFacet = component.getFacet(ProgressBar.BOTTOMTEXT_FACET);
if (bottomTextFacet != null) {
status = null;
}
String taskState = progressBar.getTaskState();
try {
JSONObject json = new JSONObject();
json.put("taskState", taskState);
json.put("progress", String.valueOf(progress));
json.put("status", status);
json.put("topText", topText);
json.put("logMessage", logMessage);
json.put("failedStateText", failedStateText);
json.write(context.getResponseWriter());
} catch (JSONException e) {
e.printStackTrace();
}
}
}