StyleServletpublic class StyleServlet extends HttpServlet | Output the given XML file in XML if viewable, else in HTML. |
| Fields Summary |
|---|
| public String | XML_FILE | | public String | SHEET_FILE |
| Methods Summary |
|---|
| public void | doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
/** Servlet API 2.1: Web App Root/WEB-INF/web.xml contains
* context-param name & value elements; this retrieves 'em.
*/
ServletContext ctx = getServletContext();
String value = ctx.getInitParameter("name");
XML_FILE = ctx.getInitParameter("xml_file_name");
SHEET_FILE = ctx.getInitParameter("xsl_sheet_name");
String browser = request.getHeader("user-agent");
PrintWriter out = response.getWriter();
// At this point in time, MSIE5 is the only one that can do XML.
if (browser.indexOf("MSIE5") != -1) {
out.println("<?xml version=\"1.0\"?>");
output_stylesheet_ref(out);
output_body(XML_FILE, out);
} else {
// Any other browser, output HTML
transform_into_html(out);
}
| | void | output_body(java.lang.String XML_FILE, java.io.PrintWriter out)
FileIO.copyFile(XML_FILE, out, false);
| | void | output_stylesheet_ref(java.io.PrintWriter out)
out.print("<?xml-stylesheet type=\"text/xsl\" href=\"" +
SHEET_FILE + "\"?>");
| | void | transform_into_html(java.io.PrintWriter out)
try {
XSLTProcessor myProcessor = XSLTProcessorFactory.getProcessor();
XSLTInputSource xmlSource = new XSLTInputSource(XML_FILE);
XSLTInputSource xslStylesheet = new XSLTInputSource(SHEET_FILE);
XSLTResultTarget xmlOutput = new XSLTResultTarget(out);
myProcessor.process(xmlSource, xslStylesheet, xmlOutput);
}
catch (org.xml.sax.SAXException exc) {
throw new ServletException("XML error: " + exc.toString());
}
catch (Exception exc) {
throw new ServletException(exc.toString());
}
|
|
