net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/util/ExceptionHandler.java

   1 package net.sourceforge.phpdt.internal.ui.util;
   2
   3 import java.io.StringWriter;
   4 import java.lang.reflect.InvocationTargetException;
   5
   6 import net.sourceforge.phpdt.internal.ui.PHPUIMessages;
   7 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
   8 import org.eclipse.core.runtime.CoreException;
   9 import org.eclipse.core.runtime.IStatus;
  10 import org.eclipse.core.runtime.Status;
  11 import org.eclipse.jface.dialogs.ErrorDialog;
  12 import org.eclipse.jface.dialogs.MessageDialog;
  13 import org.eclipse.swt.widgets.Shell;
  14
  15
  16 public class ExceptionHandler {
  17         private static ExceptionHandler fgInstance= new ExceptionHandler();
  18
  19         public static void log(Throwable t, String message) {
  20                 PHPeclipsePlugin.getDefault().getLog().log(new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID,
  21                         IStatus.ERROR, message, t));
  22         }
  23
  24         public static void handle(CoreException e, String title, String message) {
  25                 handle(e, PHPeclipsePlugin.getActiveWorkbenchShell(), title, message);
  26         }
  27
  28         public static void handle(CoreException e, Shell parent, String title, String message) {
  29                 fgInstance.perform(e, parent, title, message);
  30         }
  31
  32         public static void handle(InvocationTargetException e, String title, String message) {
  33                 handle(e, PHPeclipsePlugin.getActiveWorkbenchShell(), title, message);
  34         }
  35
  36         public static void handle(InvocationTargetException e, Shell parent, String title, String message) {
  37                 fgInstance.perform(e, parent, title, message);
  38         }
  39
  40         protected void perform(CoreException e, Shell shell, String title, String message) {
  41                 PHPeclipsePlugin.log(e);
  42                 IStatus status= e.getStatus();
  43                 if (status != null) {
  44                         ErrorDialog.openError(shell, title, message, status);
  45                 } else {
  46                         displayMessageDialog(e, e.getMessage(), shell, title, message);
  47                 }
  48         }
  49
  50         protected void perform(InvocationTargetException e, Shell shell, String title, String message) {
  51                 Throwable target= e.getTargetException();
  52                 if (target instanceof CoreException) {
  53                         perform((CoreException)target, shell, title, message);
  54                 } else {
  55                         PHPeclipsePlugin.log(e);
  56                         if (e.getMessage() != null && e.getMessage().length() > 0) {
  57                                 displayMessageDialog(e, e.getMessage(), shell, title, message);
  58                         } else {
  59                                 displayMessageDialog(e, target.getMessage(), shell, title, message);
  60                         }
  61                 }
  62         }
  63
  64         private void displayMessageDialog(Throwable t, String exceptionMessage, Shell shell, String title, String message) {
  65                 StringWriter msg= new StringWriter();
  66                 if (message != null) {
  67                         msg.write(message);
  68                         msg.write("\n\n");
  69                 }
  70                 if (exceptionMessage == null || exceptionMessage.length() == 0)
  71                         msg.write(PHPUIMessages.getString("ExceptionDialog.seeErrorLogMessage"));
  72                 else
  73                         msg.write(exceptionMessage);
  74                 MessageDialog.openError(shell, title, msg.toString());
  75         }
  76 }