Subject: RE: [xsl] A community project From: "Ivan Pedruzzi" <ivan@xxxxxxxxxxxxxxx> Date: Wed, 30 Jan 2002 22:15:58 -0500 |
May be this servlet from xalan's examples can help you package servlet; import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import java.util.Enumeration; import java.net.URL; import org.xml.sax.*; import javax.xml.transform.TransformerFactory; import javax.xml.transform.Transformer; import javax.xml.transform.Source; import javax.xml.transform.stream.StreamSource; import javax.xml.transform.stream.StreamResult; public class XSLTServletWithParams extends HttpServlet { public void init(ServletConfig config) throws ServletException { super.init(config); } public void doGet (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // The servlet returns HTML; charset is UTF8. // See ApplyXSLT.getContentType() to get output properties from <xsl:output>. response.setContentType("text/html; charset=UTF-8"); PrintWriter out = response.getWriter(); try { TransformerFactory tFactory = TransformerFactory.newInstance(); // Get params from URL. String xml = getRequestParam(request, "URL"); String xsl = getRequestParam(request, "xslURL"); Source xmlSource = null; Source xslSource = null; Transformer transformer = null; // Get the XML input document. if (xml != null && xml.length()> 0) xmlSource = new StreamSource(new URL(xml).openStream()); // Get the stylesheet. if (xsl != null && xsl.length()> 0) xslSource = new StreamSource(new URL(xsl).openStream()); if (xmlSource != null) // We have an XML input document. { if (xslSource == null) // If no stylesheet, look for PI in XML input document. { String media= null , title = null, charset = null; xslSource = tFactory.getAssociatedStylesheet(xmlSource,media, title, charset); } if (xslSource != null) // Now do we have a stylesheet? { transformer = tFactory.newTransformer(xslSource); setParameters(transformer, request); // Set stylesheet params. // Perform the transformation. transformer.transform(xmlSource, new StreamResult(out)); } else out.write("No Stylesheet!"); } else out.write("No XML Input Document!"); } catch (Exception e) { e.printStackTrace(out); } out.close(); } // Get parameters from the request URL. String getRequestParam(HttpServletRequest request, String param) { if (request != null) { String paramVal = request.getParameter(param); return paramVal; } return null; } // Set stylesheet parameters from the request URL. void setParameters(Transformer transformer, HttpServletRequest request) { Enumeration paramNames = request.getParameterNames(); while (paramNames.hasMoreElements()) { String paramName = (String) paramNames.nextElement(); try { String paramVal = request.getParameter(paramName); if (paramVal != null) transformer.setParameter(paramName, paramVal); } catch (Exception e) { } } } } Ivan Pedruzzi eXcelon Corporation http://www.stylusstudio.com > -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of > Adam van den Hoven > Sent: Wednesday, January 30, 2002 9:22 PM > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] A community project > > > More times than I can count I've written ASP code that takes > an xml document and an xsl document and performed the > transform using a number of global paramters. > > However time has past, jobs have changed and I am thrust into > a Java environment. Despite the fact that I was once a > promising Java coder, almost 3 years of ASP has eroded my > ability to do it. > > Does anyone have a JSP file they would care to share with the > rest of the world that takes xml and xsl files names from the > command line plus an arbitrary number of global parameters > and returns the resulting output? I'm thinking of something > like the following url: > http://www.adamvandenhoven.com/transform.jsp?XML=/testsource.xsl&XSL=/te stTrans.xsl&SomeParam=value&SomeOtherParam=AnotherValue and the assumption is that testTrans.xsl looks something like: <xsl:stylesheet> <xsl:param name="SomeParam"/> <xsl:param name="SomeOtherParam"/> <xsl:template match="/"> . . . All I'm looking for the the basic JSP. There is no need to add caching or doc pooling or whatever. I know guys who can add that for me. I also don't care which parser to use. Its a useful piece of code to have around. If I dig out the ASP version from the bowels of my old work, I'll post it. Have a great day, Adam __________________________________________________ D O T E A S Y - "Join the web hosting revolution!" http://www.doteasy.com XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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