security/eclipse/plugins/org.argeo.security.ui.rcp/src/main/java/org/argeo/security/ui/rcp/SecureRap.java

   1 package org.argeo.security.ui.rcp;
   2
   3 import java.security.PrivilegedAction;
   4
   5 import javax.security.auth.Subject;
   6
   7 import org.argeo.security.equinox.CurrentUser;
   8 import org.eclipse.equinox.app.IApplication;
   9 import org.eclipse.equinox.app.IApplicationContext;
  10 import org.eclipse.swt.widgets.Display;
  11 import org.eclipse.ui.IWorkbench;
  12 import org.eclipse.ui.PlatformUI;
  13 import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
  14 import org.eclipse.ui.application.WorkbenchWindowAdvisor;
  15
  16 public class SecureRap implements IApplication {
  17         public Object start(IApplicationContext context) throws Exception {
  18                 String username = CurrentUser.getUsername();
  19                 Integer result = null;
  20                 Display display = PlatformUI.createDisplay();
  21                 try {
  22                         result = (Integer) Subject.doAs(CurrentUser.getSubject(),
  23                                         getRunAction(display));
  24                 } catch (Exception e) {
  25                         e.printStackTrace();
  26                 } finally {
  27                         display.dispose();
  28                 }
  29                 return result;
  30         }
  31
  32         @SuppressWarnings("rawtypes")
  33         private PrivilegedAction getRunAction(final Display display) {
  34                 return new PrivilegedAction() {
  35
  36                         public Object run() {
  37                                 int result = PlatformUI.createAndRunWorkbench(display,
  38                                                 new ApplicationWorkbenchAdvisor());
  39                                 return new Integer(result);
  40                         }
  41                 };
  42         }
  43
  44         public void stop() {
  45                 final IWorkbench workbench;
  46                 try {
  47                         workbench = PlatformUI.getWorkbench();
  48                 } catch (Exception e) {
  49                         return;
  50                 }
  51                 if (workbench == null)
  52                         return;
  53                 final Display display = workbench.getDisplay();
  54                 display.syncExec(new Runnable() {
  55
  56                         public void run() {
  57                                 if (!display.isDisposed())
  58                                         workbench.close();
  59                         }
  60                 });
  61         }
  62
  63         class ApplicationWorkbenchAdvisor extends SecureWorkbenchAdvisor {
  64                 public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(
  65                                 IWorkbenchWindowConfigurer configurer) {
  66                         return new RapSecureWorkbenchWindowAdvisor(configurer);
  67                 }
  68         }
  69
  70 }