/*
* Copyright 2000-2004 The Apache Software Foundation.
*
* 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.apache.portals.bridges.struts.taglib;
import javax.servlet.ServletRequest; // for javadoc
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyContent;
import org.apache.portals.bridges.struts.PortletServlet;
import org.apache.portals.bridges.struts.config.PortletURLTypes; // javadoc
import org.apache.struts.taglib.TagUtils;
/**
* Supports the Struts html:rewrite tag to be used within a Portlet context.
*
* @author <a href="mailto:ate@douma.nu">Ate Douma</a>
* @version $Id: RewriteTag.java 188237 2005-01-21 17:28:13 +0100 (Fri, 21 Jan 2005) ate $
*/
public class RewriteTag extends org.apache.struts.taglib.html.RewriteTag
{
/**
* Indicates which type of a url must be generated: action, render or resource.
* <p>If not specified, the type will be determined by
* {@link PortletURLTypes#getType(String)}</p>.
*/
protected PortletURLTypes.URLType urlType = null;
/**
* @return "true" if an ActionURL must be rendered
*/
public String getActionURL()
{
return urlType != null && urlType.equals(PortletURLTypes.URLType.ACTION) ? "true" : "false";
}
/**
* Render an ActionURL when set to "true"
* @param value "true" renders an ActionURL
*/
public void setActionURL(String value)
{
this.urlType = value != null && value.equalsIgnoreCase("true") ? PortletURLTypes.URLType.ACTION : null;
}
public String getRenderURL()
{
return urlType != null && urlType.equals(PortletURLTypes.URLType.RENDER) ? "true" : "false";
}
/**
* Render a RenderURL when set to "true"
* @param value "true" renders a RenderURL
*/
public void setRenderURL(String value)
{
this.urlType = value != null && value.equalsIgnoreCase("true") ? PortletURLTypes.URLType.RENDER : null;
}
public String getResourceURL()
{
return urlType != null && urlType.equals(PortletURLTypes.URLType.RESOURCE) ? "true" : "false";
}
/**
* Render a ResourceURL when set to "true"
* @param value "true" renders a ResourceURL
*/
public void setResourceURL(String value)
{
this.urlType = value != null && value.equalsIgnoreCase("true") ? PortletURLTypes.URLType.RESOURCE : null;
}
/**
* Generates a PortletURL or a ResourceURL for the link when in the context of a
* {@link PortletServlet#isPortletRequest(ServletRequest) PortletRequest}, otherwise
* the default behaviour is maintained.
* @return the link url
* @exception JspException if a JSP exception has occurred
*/
public int doStartTag() throws JspException
{
if ( PortletServlet.isPortletRequest(pageContext.getRequest()))
{
String url = null;
BodyContent bodyContent = pageContext.pushBody();
try
{
super.doStartTag();
url = bodyContent.getString();
// process embedded anchor
String anchor = null;
int hash = url.indexOf('#');
if ( hash > -1 )
{
// save embedded anchor to be appended later and strip it from the url
anchor = url.substring(hash);
url = url.substring(0,hash);
}
url = TagsSupport.getURL(pageContext, url, urlType);
if ( anchor != null )
{
url = url + anchor;
}
}
finally
{
pageContext.popBody();
}
TagUtils.getInstance().write(pageContext, url);
return (SKIP_BODY);
}
else
{
return super.doStartTag();
}
}
public void release() {
super.release();
urlType = null;
}
}