/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.apache.myfaces.renderkit.html;

 import java.io.IOException;

 import javax.faces.component.UIComponent;

 import javax.faces.component.UIInput;

 import javax.faces.component.UIOutput;

 import javax.faces.context.FacesContext;

 import javax.faces.context.ResponseWriter;

 import javax.faces.convert.ConverterException;

 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFRenderer;

 import org.apache.myfaces.shared.renderkit.JSFAttr;

 import org.apache.myfaces.shared.renderkit.RendererUtils;

 import org.apache.myfaces.shared.renderkit.html.HTML;

 import org.apache.myfaces.shared.renderkit.html.HtmlRenderer;

 import org.apache.myfaces.shared.renderkit.html.HtmlRendererUtils;

 /**

  * 

  * @author Thomas Spiegl (latest modification by $Author$)

  * @author Anton Koinov

  * @version $Revision$ $Date$

  */

 @JSFRenderer(renderKitId = "HTML_BASIC", family = "javax.faces.Input", type = "javax.faces.Hidden")

 public class HtmlHiddenRenderer extends HtmlRenderer

 {

     @Override

     public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException

     {

         RendererUtils.checkParamValidity(facesContext, uiComponent, UIInput.class);

         ResponseWriter writer = facesContext.getResponseWriter();

         writer.startElement(HTML.INPUT_ELEM, uiComponent);

         writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_HIDDEN, null);

         String clientId = uiComponent.getClientId(facesContext);

         writer.writeAttribute(HTML.ID_ATTR, clientId, null);

         writer.writeAttribute(HTML.NAME_ATTR, clientId, null);

         String value = RendererUtils.getStringValue(facesContext, uiComponent);

         if (value != null)

         {

             writer.writeAttribute(HTML.VALUE_ATTR, value, JSFAttr.VALUE_ATTR);

         }

         writer.endElement(HTML.INPUT_ELEM);

     }

     @Override

     public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue)

         throws ConverterException

     {

         RendererUtils.checkParamValidity(facesContext, uiComponent, UIOutput.class);

         return RendererUtils.getConvertedUIOutputValue(facesContext, (UIOutput)uiComponent, submittedValue);

     }

     @Override

     public void decode(FacesContext facesContext, UIComponent component)

     {

         RendererUtils.checkParamValidity(facesContext, component, null);

         if (component instanceof UIInput)

         {

             HtmlRendererUtils.decodeUIInput(facesContext, component);

         }

         else

         {

             throw new IllegalArgumentException("Unsupported component class " + component.getClass().getName());

         }

     }

 }