RapWorkbenchLogin.java

   1 package org.argeo.security.ui.rap;
   2
   3 import java.security.PrivilegedAction;
   4 import java.util.Locale;
   5
   6 import javax.security.auth.Subject;
   7 import javax.security.auth.x500.X500Principal;
   8
   9 import org.argeo.cms.CmsMsg;
  10 import org.argeo.cms.auth.CurrentUser;
  11 import org.argeo.cms.util.CmsUtils;
  12 import org.argeo.cms.util.LoginEntryPoint;
  13 import org.eclipse.rap.rwt.RWT;
  14 import org.eclipse.rap.rwt.client.service.JavaScriptExecutor;
  15 import org.eclipse.swt.SWT;
  16 import org.eclipse.swt.events.SelectionListener;
  17 import org.eclipse.swt.widgets.Button;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Display;
  20 import org.eclipse.ui.PlatformUI;
  21
  22 public class RapWorkbenchLogin extends LoginEntryPoint {
  23         // private final static Log log =
  24         // LogFactory.getLog(RapWorkbenchLogin.class);
  25
  26         /** Override to provide an application specific workbench advisor */
  27         protected RapWorkbenchAdvisor createRapWorkbenchAdvisor(String username) {
  28                 return new RapWorkbenchAdvisor(username);
  29         }
  30
  31         @Override
  32         public int createUI() {
  33                 JavaScriptExecutor jsExecutor = RWT.getClient().getService(
  34                                 JavaScriptExecutor.class);
  35                 int returnCode;
  36                 try {
  37                         returnCode = super.createUI();
  38                 } finally {
  39                         // always reload
  40                         jsExecutor.execute("location.reload()");
  41                 }
  42                 return returnCode;
  43         }
  44
  45         @Override
  46         protected int postLogin() {
  47                 final Display display = Display.getCurrent();
  48                 Subject subject = getSubject();
  49                 if (subject.getPrincipals(X500Principal.class).isEmpty()) {
  50                         RWT.getClient().getService(JavaScriptExecutor.class)
  51                                         .execute("location.reload()");
  52                 }
  53                 //
  54                 // RUN THE WORKBENCH
  55                 //
  56                 Integer returnCode = null;
  57                 try {
  58                         returnCode = Subject.doAs(getSubject(),
  59                                         new PrivilegedAction<Integer>() {
  60                                                 public Integer run() {
  61                                                         int result = createAndRunWorkbench(display,
  62                                                                         CurrentUser.getUsername(getSubject()));
  63                                                         return new Integer(result);
  64                                                 }
  65                                         });
  66                         // explicit workbench closing
  67                         logout();
  68                 } finally {
  69                         display.dispose();
  70                 }
  71                 return returnCode;
  72         }
  73
  74         protected int createAndRunWorkbench(Display display, String username) {
  75                 RapWorkbenchAdvisor workbenchAdvisor = createRapWorkbenchAdvisor(username);
  76                 return PlatformUI.createAndRunWorkbench(display, workbenchAdvisor);
  77         }
  78
  79         @Override
  80         protected void extendsCredentialsBlock(Composite credentialsBlock,
  81                         Locale selectedLocale, SelectionListener loginSelectionListener) {
  82                 Button loginButton = new Button(credentialsBlock, SWT.PUSH);
  83                 loginButton.setText(CmsMsg.login.lead(selectedLocale));
  84                 loginButton.setLayoutData(CmsUtils.fillWidth());
  85                 loginButton.addSelectionListener(loginSelectionListener);
  86         }
  87
  88         @Override
  89         protected Display createDisplay() {
  90                 return PlatformUI.createDisplay();
  91         }
  92
  93 }