/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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.seasar.teeda.core.render.html;

 import java.io.IOException;

 import javax.faces.component.UIComponent;

 import javax.faces.component.UIOutput;

 import javax.faces.component.html.HtmlOutputText;

 import javax.faces.context.FacesContext;

 import javax.faces.context.ResponseWriter;

 import javax.faces.internal.IgnoreAttribute;

 import org.seasar.teeda.core.JsfConstants;

 import org.seasar.teeda.core.render.AbstractRenderer;

 import org.seasar.teeda.core.util.RendererUtil;

 import org.seasar.teeda.core.util.ValueHolderUtil;

 /**

  * @author manhole

  */

 public class HtmlOutputTextRenderer extends AbstractRenderer {

     public static final String COMPONENT_FAMILY = "javax.faces.Output";

     public static final String RENDERER_TYPE = "javax.faces.Text";

     private final IgnoreAttribute ignoreComponent = new IgnoreAttribute();

     {

         ignoreComponent.addAttributeName(JsfConstants.ID_ATTR);

         ignoreComponent.addAttributeName(JsfConstants.VALUE_ATTR);

         ignoreComponent.addAttributeName(JsfConstants.ESCAPE_ATTR);

     }

     public void encodeEnd(FacesContext context, UIComponent component)

             throws IOException {

         assertNotNull(context, component);

         if (!component.isRendered()) {

             return;

         }

         //TODO if there is no impact to other code, it's better to merge them

         if (component instanceof HtmlOutputText) {

             encodeHtmlOutputTextEnd(context, (HtmlOutputText) component);

         } else if (component instanceof UIOutput) {

             encodeUIOutputEnd(context, (UIOutput) component);

         }

     }

     protected void encodeHtmlOutputTextEnd(FacesContext context,

             HtmlOutputText htmlOutputText) throws IOException {

         ResponseWriter writer = context.getResponseWriter();

         boolean startSpan = false;

         if (containsAttributeForRender(htmlOutputText, ignoreComponent)) {

             writer.startElement(JsfConstants.SPAN_ELEM, htmlOutputText);

             startSpan = true;

             RendererUtil.renderIdAttributeIfNecessary(writer, htmlOutputText,

                     getIdForRender(context, htmlOutputText));

             renderRemainAttributes(htmlOutputText, writer, ignoreComponent);

         }

         String value = ValueHolderUtil.getValueForRender(context,

                 htmlOutputText);

         if (htmlOutputText.isEscape()) {

             writer.writeText(value, null);

         } else {

             writer.write(value);

         }

         if (startSpan) {

             writer.endElement(JsfConstants.SPAN_ELEM);

         }

     }

     protected void encodeUIOutputEnd(FacesContext context, UIOutput uiOutput)

             throws IOException {

         ResponseWriter writer = context.getResponseWriter();

         boolean startSpan = false;

         if (containsAttributeForRender(uiOutput, ignoreComponent)) {

             writer.startElement(JsfConstants.SPAN_ELEM, uiOutput);

             startSpan = true;

             RendererUtil.renderIdAttributeIfNecessary(writer, uiOutput,

                     getIdForRender(context, uiOutput));

             renderRemainAttributes(uiOutput, writer, ignoreComponent);

         }

         String value = ValueHolderUtil.getValueForRender(context, uiOutput);

         Boolean b = (Boolean) uiOutput.getAttributes().get(

                 JsfConstants.ESCAPE_ATTR);

         if (b != null && b.booleanValue()) {

             writer.writeText(value, null);

         } else {

             writer.write(value);

         }

         if (startSpan) {

             writer.endElement(JsfConstants.SPAN_ELEM);

         }

     }

     protected IgnoreAttribute getIgnoreAttribute() {

         return ignoreComponent;

     }

     protected void addIgnoreAttributeName(String attribute) {

         ignoreComponent.addAttributeName(attribute);

     }

 }