JSP Taghandler problem
[nobr]Hi,
I am running NetBeans 5.5 on XP Pro using java 1.6
I have a servlet called Controller which forwards the request to main.jsp
//Controller.java --
protectedvoid processRequest(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException{
String id = request.getRequestURI();
id = id.substring(request.getContextPath().length());
if (id.equals("/")){
request.setAttribute("page","welcome.jsp");
}
else{
request.setAttribute("page", id);
}
RequestDispatcher dispatcher = request.getRequestDispatcher("main.jsp");
dispatcher.forward(request, response);
}
//--
main.jsp presents a table.
//main.jsp --
<%@taglib prefix="tritons" uri="./tlds/tritons.tld" %>
<!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Index</title>
</head>
<body>
<table border="1">
<tbody>
<tr>
<td colspan="0">
<jsp:include page="header.jsp" flush="true"/>
</td>
</tr>
<tr>
<td>
<a href="docs/testerone.jsp">tester one</a>
<br>
<a href="docs/testertwo.jsp">tester two</a>
</td>
<td>
<tritons:content/>
</td>
</tr>
</tbody>
</table>
</body>
</html>
//
tritons:content is described in tritons.tld
//tritons.tld
<taglib version="2.0" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee web-jsptaglibrary_2_0.xsd">
<tlib-version>1.0</tlib-version>
<short-name>tritons</short-name>
<uri>/WEB-INF/tlds/tritons</uri>
<tag>
<name>content</name>
<tag-class>fcexample.taghandlers.ContentHandler</tag-class>
<body-content>empty</body-content>
<display-name>Content</display-name>
</tag>
</taglib>
//-
ContentHandler is meant to insert the correct file in the table in main.jsp
//ContentHandler.java -
publicclass ContentHandlerextends TagSupport{
// Method called to begin tag processing
publicint doStartTag()throws JspException{
// attempt tag processing
try{
ServletRequest request = pageContext.getRequest();
ServletResponse response = pageContext.getResponse();
String page = request.getAttribute("page").toString();
request.getRequestDispatcher(page).include(request, response);
}
catch (ServletException SE){
System.out.println(SE.getMessage());
}
// rethrow IOException to JSP container as JspException
catch( IOException IOE ){
thrownew JspException(IOE.getMessage());
}
return SKIP_BODY;
}
//-
My problem is that on start up the welcome.jsp is displayed in the same
part of the table as header.jsp
But if i add
JspWriter out = pageContext.getOut();
out.println("Welcome.jsp");
then this text is displayed in the correct cell of the table.
Thanks in advance,
J[/nobr]
