/* FILE: JLinkServletTest.java 23-Aug-05 K-03-31 JCN $$1 Submitted. */ package com.ptc.jlink_servlet; import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; /** * This is the main servlet implentation for the J-Link servlet example. * No J-Link code is actually included in this class; all J-Link code is * encapsulated in ServletDeploymentTest.java. This class monitors the * status of the J-Link operation and displays the results when completed. */ public class JLinkServletTest extends HttpServlet { ServletDeploymentTest test = null; /** * The servlet GET implementation. Required parameters: * proeCmd (the name or path to the Pro/E start command), * proeLoadpoint (the name or path to the loadpoint). * The loadpoint is needed only so that the servlet can locate the test * model from the J-Link install pfcinstalltest. */ public void doGet (HttpServletRequest request, HttpServletResponse response) { try { PrintWriter out = response.getWriter(); ServletContext application = getServletContext(); out.print ("J-Link servlet sample"); /** * No J-Link deployment is currently underway; create one. */ if (test == null) { out.print ("

Beginning J-Link servlet deployment test...

"); /** * We pass the servlet application path to the J-Link class * so that it knows where to output the JPEG file. * By default, Pro/ENGINEEER's working directory will be the * "working" directory of the servlet Java process; * typically c:\winnt\system32 on Windows. Since Java does * not support changing the "process working directory", * there is no way to control the Pro/ENGINEER startup * directory. * * To keep Pro/E trail files out of c:\winnt\system32, * define HOME and place a config.pro in that directory with * the option trail_dir pointing to the desired location. */ test = new ServletDeploymentTest(request.getParameter ("proeCmd"), request.getParameter ("proeLoadpoint"), application.getRealPath ("/")); } /** * J-Link must be accessed by only one thread, * thus access to this object is synchronized. */ synchronized (test) { if (test.finished()) { if (test.getStatus ()) { out.print ("

J-Link servlet test deployment succeeded.

"); out.print ("
"); /** * Write the main table: feature info on the left, * JPEG on the right. */ out.print ("
"); out.print (""); out.print (""); /** * Write the feature info table rows. The row strings were * already formatted correctly during the test. */ Iterator i = test.getFeatureTableRows(); while (i.hasNext()) { out.print (i.next()); } out.print ("
No.Feature name"+ "Feature idFeature type
"); out.print ("		"); /** * Write the location of the image file. */ StringBuffer url = new StringBuffer (".."); url.append ("/" + test.getJPEGFileName()); out.print (""); out.print ("
"); test = null; } else { out.print ("

Deployment failed.

"); out.print ("

Troubleshooting:

"); out.print ("Remember to check the following:"); out.print ("
    "); out.print ("
  1. Place the J-Link asynchronous jar file in the servlet engine shared application path so it can loaded by the shared class loader (see TPI 129506)"); out.print ("
  2. Place the example class com.ptc.jlink_loader.JLinkLoader in the servlet engine shared application path so it can loaded by the shared class loader (see TPI 129506)"); out.print ("
  3. Add the System environment variable PRO_COMM_MSG_EXE to be [Pro/E loadpoint]/[MACHINE TYPE]/obj/pro_comm_msg[.exe]"); out.print ("
  4. Add the directory [Pro/E loadpoint]/[MACHINE TYPE]/lib to the system library path variable (path on Windows)."); out.print ("
  5. When running on Windows, please remember that changes to the System variables don't take effect until after Windows is restarted."); out.print ("
  6. Be sure that the Pro/ENGINEER command provided can correctly start Pro/ENGINEER."); out.print ("
  7. Be sure that the Pro/ENGINEER loadpoint provided is correct."); out.print ("
"); out.print ("
"); out.print ("The following is the system library path:"); out.print ("
"); out.println (System.getProperty ("java.library.path")); /** * Note: java.class.path cannot be reported from here; * it reports only the default class loader classpath. * Additional classes are * picked up automatically from the shared directory * and web application directory by the servlet engine. */ test = null; } } else { /** * Test is not finished. Set a Refresh header to try * again in 10 seconds. */ out.print ("

Test is in process; please wait...

"); response.setIntHeader ("Refresh", 10); } } out.print (""); } catch (Exception e) { e.printStackTrace(); } } /** * Servlet POST implementation, same as GET for this servlet. */ public void doPost (HttpServletRequest request, HttpServletResponse response) { doGet (request, response); } }