net.sourceforge.phpeclipse.ui/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 net.sourceforge.phpeclipse.ui.WebUI;
   9
  10 import org.eclipse.core.runtime.CoreException;
  11 import org.eclipse.core.runtime.IStatus;
  12 import org.eclipse.core.runtime.Status;
  13 import org.eclipse.jface.dialogs.ErrorDialog;
  14 import org.eclipse.jface.dialogs.MessageDialog;
  15 import org.eclipse.swt.widgets.Shell;
  16
  17 public class ExceptionHandler {
  18         private static ExceptionHandler fgInstance = new ExceptionHandler();
  19
  20         public static void log(Throwable t, String message) {
  21                 WebUI.getDefault().getLog().log(
  22                                 new Status(IStatus.ERROR, WebUI.PLUGIN_ID,
  23                                                 IStatus.ERROR, message, t));
  24         }
  25
  26         public static void handle(CoreException e, String title, String message) {
  27                 handle(e, WebUI.getActiveWorkbenchShell(), title, message);
  28         }
  29
  30         public static void handle(CoreException e, Shell parent, String title,
  31                         String message) {
  32                 fgInstance.perform(e, parent, title, message);
  33         }
  34
  35         public static void handle(InvocationTargetException e, String title,
  36                         String message) {
  37                 handle(e, WebUI.getActiveWorkbenchShell(), title, message);
  38         }
  39
  40         public static void handle(InvocationTargetException e, Shell parent,
  41                         String title, String message) {
  42                 fgInstance.perform(e, parent, title, message);
  43         }
  44
  45         protected void perform(CoreException e, Shell shell, String title,
  46                         String message) {
  47                 WebUI.log(e);
  48                 IStatus status = e.getStatus();
  49                 if (status != null) {
  50                         ErrorDialog.openError(shell, title, message, status);
  51                 } else {
  52                         displayMessageDialog(e, e.getMessage(), shell, title, message);
  53                 }
  54         }
  55
  56         protected void perform(InvocationTargetException e, Shell shell,
  57                         String title, String message) {
  58                 Throwable target = e.getTargetException();
  59                 if (target instanceof CoreException) {
  60                         perform((CoreException) target, shell, title, message);
  61                 } else {
  62                         WebUI.log(e);
  63                         if (e.getMessage() != null && e.getMessage().length() > 0) {
  64                                 displayMessageDialog(e, e.getMessage(), shell, title, message);
  65                         } else {
  66                                 displayMessageDialog(e, target.getMessage(), shell, title,
  67                                                 message);
  68                         }
  69                 }
  70         }
  71
  72         private void displayMessageDialog(Throwable t, String exceptionMessage,
  73                         Shell shell, String title, String message) {
  74                 StringWriter msg = new StringWriter();
  75                 if (message != null) {
  76                         msg.write(message);
  77                         msg.write("\n\n");
  78                 }
  79                 if (exceptionMessage == null || exceptionMessage.length() == 0)
  80                         msg.write(PHPUIMessages
  81                                         .getString("ExceptionDialog.seeErrorLogMessage"));
  82                 else
  83                         msg.write(exceptionMessage);
  84                 MessageDialog.openError(shell, title, msg.toString());
  85         }
  86 }