/*
* JBoss, Home of Professional Open Source
* Copyright , Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.renderkit;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.richfaces.component.AbstractNotify;
import org.richfaces.component.AbstractNotifyStack;
import org.richfaces.component.NotifyAttributes;
import org.richfaces.component.util.HtmlUtil;
import org.richfaces.renderkit.util.RendererUtils;
/**
* @author <a href="http://community.jboss.org/people/lfryc">Lukas Fryc</a>
* @author <a href="http://community.jboss.org/people/bleathem">Brian Leathem</a>
*/
public class NotifyRendererUtils {
private static final RendererUtils UTILS = RendererUtils.getInstance();
public static String getStackId(FacesContext facesContext, UIComponent component) {
NotifyAttributes notify = (NotifyAttributes) component;
if (null == notify.getStack()) {
return null;
}
UIComponent stack = UTILS.findComponentFor(facesContext.getViewRoot(), notify.getStack());
if (stack instanceof AbstractNotifyStack) {
return stack.getClientId();
} else {
return null;
}
}
public static void addStackIdOption(Map<String, Object> options, FacesContext facesContext, UIComponent component) {
String stackId = getStackId(facesContext, component);
if (stackId != null) {
options.put("stackId", stackId);
}
}
public static void addFacetOrAttributeAsOption(String name, Map<String, Object> options, FacesContext facesContext,
UIComponent component) {
UIComponent facet = component.getFacet(name);
if (facet != null && facet.isRendered()) {
ResponseWriter originalResponseWriter = facesContext.getResponseWriter();
try {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
PrintWriter printWriter = new PrintWriter(outputStream);
ResponseWriter newResponseWriter = facesContext.getRenderKit().createResponseWriter(printWriter, null, null);
facesContext.setResponseWriter(newResponseWriter);
facet.encodeAll(facesContext);
printWriter.flush();
String value = new String(outputStream.toByteArray());
options.put(name, value);
} catch (IOException e) {
throw new FacesException("Can't encode facet '" + name + "' of component '" + component.getClass().getName()
+ "'", e);
} finally {
facesContext.setResponseWriter(originalResponseWriter);
}
return;
}
Object attribute = component.getAttributes().get(name);
if (attribute != null) {
String value = attribute.toString();
boolean escape = true;
if (component instanceof AbstractNotify) {
escape = ((AbstractNotify) component).isEscape();
}
if (escape) {
value = HtmlUtil.escapeHtml(value);
}
options.put(name, value);
return;
}
}
}