/*
* Copyright 2010 Lincoln Baxter, III
*
* 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 com.ocpsoft.pretty.faces.component.renderer;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
import com.ocpsoft.pretty.PrettyContext;
import com.ocpsoft.pretty.PrettyException;
import com.ocpsoft.pretty.faces.component.Link;
import com.ocpsoft.pretty.faces.config.PrettyConfig;
import com.ocpsoft.pretty.faces.config.mapping.UrlMapping;
import com.ocpsoft.pretty.faces.util.PrettyURLBuilder;
/**
* @author Lincoln Baxter, III <lincoln@ocpsoft.com>
*/
public class LinkRenderer extends Renderer
{
public static final String RENDERER_TYPE = "javax.faces.Link";
private final PrettyURLBuilder urlBuilder = new PrettyURLBuilder();
@Override
public void encodeBegin(final FacesContext context, final UIComponent component) throws IOException
{
super.encodeBegin(context, component);
if (!component.isRendered())
{
return;
}
Link link = (Link) component;
ResponseWriter writer = context.getResponseWriter();
if (link.isDisabled())
{
writer.startElement("span", link);
}
else
{
writer.startElement("a", link);
}
String mappingId = (String) component.getAttributes().get("mappingId");
if (mappingId == null)
{
throw new PrettyException("Mapping id was null when attempting to build URL for component: "
+ component.toString() + " <" + component.getClientId(context) + ">");
}
try
{
PrettyContext prettyContext = PrettyContext.getCurrentInstance(context);
PrettyConfig prettyConfig = prettyContext.getConfig();
UrlMapping urlMapping = prettyConfig.getMappingById(mappingId);
String href = context.getExternalContext().getRequestContextPath()
+ urlBuilder.build(urlMapping, true, urlBuilder.extractParameters(component));
if ((link.getAnchor() != null) && link.getAnchor().length() > 0)
{
href += "#" + link.getAnchor();
}
writer.writeURIAttribute("href", context.getExternalContext().encodeResourceURL(href), "href");
}
catch (PrettyException e)
{
throw new PrettyException("Failed to build URL for mapping '" + mappingId
+ "' while rendering <pretty:link> component: " + link.getClientId(context), e);
}
writeAttr(writer, "id", link.getClientId(context));
writeAttr(writer, "accesskey", link.getAccesskey());
writeAttr(writer, "charset", link.getCharset());
writeAttr(writer, "coords", link.getCoords());
writeAttr(writer, "dir", link.getDir());
writeAttr(writer, "hreflang", link.getHreflang());
writeAttr(writer, "lang", link.getLang());
writeAttr(writer, "onblur", link.getOnblur());
writeAttr(writer, "onclick", link.getOnclick());
writeAttr(writer, "ondblclick", link.getOndblclick());
writeAttr(writer, "onfocus", link.getOnfocus());
writeAttr(writer, "onkeydown", link.getOnkeydown());
writeAttr(writer, "onkeypress", link.getOnkeypress());
writeAttr(writer, "onkeyup", link.getOnkeyup());
writeAttr(writer, "onmousedown", link.getOnmousedown());
writeAttr(writer, "onmousemove", link.getOnmousemove());
writeAttr(writer, "onmouseout", link.getOnmouseout());
writeAttr(writer, "onmouseover", link.getOnmouseover());
writeAttr(writer, "onmouseup", link.getOnmouseup());
writeAttr(writer, "rel", link.getRel());
writeAttr(writer, "rev", link.getRev());
writeAttr(writer, "shape", link.getShape());
writeAttr(writer, "style", link.getStyle());
writeAttr(writer, "class", link.getStyleClass());
writeAttr(writer, "tabindex", link.getTabindex());
writeAttr(writer, "target", link.getTarget());
writeAttr(writer, "title", link.getTitle());
writeAttr(writer, "type", link.getType());
}
private void writeAttr(final ResponseWriter writer, final String name, final String value) throws IOException
{
if (value != null)
{
writer.writeAttribute(name, value, name);
}
}
@Override
public void encodeEnd(final FacesContext context, final UIComponent component) throws IOException
{
Link link = (Link) component;
super.encodeEnd(context, link);
if (!link.isRendered())
{
return;
}
ResponseWriter writer = context.getResponseWriter();
if (link.isDisabled())
{
writer.endElement("span");
}
else
{
writer.endElement("a");
}
}
}