/*
* 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.empire.struts2.jsp.tags;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import org.apache.empire.struts2.html.HtmlTagDictionary;
import org.apache.empire.struts2.html.HtmlWriter;
import org.apache.empire.struts2.html.HtmlTagDictionary.FlexDivRenderInfo;
import org.apache.empire.struts2.html.HtmlWriter.HtmlTag;
import org.apache.struts2.components.Component;
import com.opensymphony.xwork2.util.ValueStack;
@SuppressWarnings("serial")
public class FlexDivTag extends EmpireTagSupport
{
// Type of tag
protected String type;
// Temporary
FlexDivRenderInfo flexDivRenderInfo = null;
@Override
protected void resetParams()
{
type = null;
// reset
super.resetParams();
}
@Override
public Component getBean(ValueStack stack, HttpServletRequest req, HttpServletResponse res)
{
log.fatal("No Bean available for flex-tag");
return null;
}
@Override
public int doStartTag()
throws JspException
{
String userAgent = getUserAgent();
// User-Agent
HtmlTagDictionary dic = HtmlTagDictionary.getInstance();
flexDivRenderInfo = dic.FlexDivTag(type, userAgent);
if (flexDivRenderInfo!=null)
{ // Render Flex Div
HtmlWriter w = new HtmlWriter(pageContext.getOut());
HtmlTag tag = w.startTag(flexDivRenderInfo.tag);
tag.addAttribute("id", getId());
tag.addAttribute("class", cssClass);
tag.addAttributes(flexDivRenderInfo.attributes);
tag.beginBody(flexDivRenderInfo.bodyBegin);
}
// return super.doStartTag();
return EVAL_BODY_INCLUDE;
}
@Override
public int doEndTag()
throws JspException
{
// Render End Tag
if (flexDivRenderInfo!=null)
{ // End flexible Tag
HtmlWriter w = new HtmlWriter(pageContext.getOut());
HtmlTag tag = w.continueTag(flexDivRenderInfo.tag, true);
tag.endTag(flexDivRenderInfo.bodyEnd);
flexDivRenderInfo = null;
}
// return super.doEndTag();
resetParams();
return EVAL_PAGE;
}
private String getUserAgent()
{
ServletRequest req = pageContext.getRequest();
if (req instanceof HttpServletRequest)
return ((HttpServletRequest)req).getHeader("User-Agent");
// Not detectable
return "";
}
public void setType(String type)
{
this.type = type;
}
}