runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/provisioning/BundleJarInterceptor.java

   1 package org.argeo.slc.web.mvc.provisioning;
   2
   3 import java.util.StringTokenizer;
   4
   5 import javax.servlet.http.HttpServletRequest;
   6 import javax.servlet.http.HttpServletResponse;
   7
   8 import org.argeo.slc.SlcException;
   9 import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
  10
  11 public class BundleJarInterceptor extends HandlerInterceptorAdapter {
  12
  13         @Override
  14         public boolean preHandle(HttpServletRequest request,
  15                         HttpServletResponse response, Object handler) throws Exception {
  16                 String path = request.getPathInfo();
  17                 StringTokenizer stS = new StringTokenizer(path, "/");
  18                 String fileName = null;
  19                 while (stS.hasMoreTokens()) {
  20                         String token = stS.nextToken();
  21                         if (!stS.hasMoreTokens()) {
  22                                 fileName = token;
  23                         }
  24                 }
  25
  26                 int ind_ = fileName.indexOf('-');
  27                 String moduleName;
  28                 if (ind_ > -1)
  29                         moduleName = fileName.substring(0, ind_);
  30                 else
  31                         throw new SlcException("Cannot determine version for " + fileName);
  32
  33                 String versionAndExtension = fileName.substring(ind_ + 1);
  34                 int indExt = versionAndExtension.lastIndexOf('.');
  35                 String moduleVersion = versionAndExtension.substring(0, indExt);
  36
  37                 request.setAttribute("moduleName", moduleName);
  38                 request.setAttribute("moduleVersion", moduleVersion);
  39
  40                 return true;
  41         }
  42 }