org.primefaces.component.feedreader.FeedReaderRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 PrimeTek.
*
* Licensed under the Apache 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.apache.org/licenses/LICENSE-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.primefaces.component.feedreader;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.renderkit.CoreRenderer;
public class FeedReaderRenderer extends CoreRenderer {
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
FeedReader reader = (FeedReader) component;
Map requestMap = context.getExternalContext().getRequestMap();
String var = reader.getVar();
int size = reader.getSize();
try {
List entries = new FeedInput().parse(reader.getValue(), size);
for(Object f : entries) {
requestMap.put(var, f);
renderChildren(context, reader);
}
requestMap.remove(var);
} catch(Exception e) {
UIComponent errorFacet = reader.getFacet("error");
if(errorFacet != null) {
errorFacet.encodeAll(context);
}
}
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
//Do nothing
}
@Override
public boolean getRendersChildren() {
return true;
}
}