MessageDialog.openInformation(fShell, fTitle, fInvalidMessage);
MessageDialog.openWarning(fShell, fTitle, fInvalidMessage);
		private void validateURL(URL location) throws MalformedURLException {			IPath path= new Path(location.toExternalForm());			IPath index = path.append("index.html"); //$NON-NLS-1$			IPath packagelist = path.append("package-list"); //$NON-NLS-1$			URL indexURL = new URL(index.toString());			URL packagelistURL = new URL(packagelist.toString());			InputStream in1= null;			InputStream in2= null;			try {				in1= indexURL.openConnection().getInputStream();				in2= packagelistURL.openConnection().getInputStream();				if (MessageDialog.openConfirm(fShell, fTitle, fValidMessage))					spawnInBrowser(indexURL);			} catch (IOException e) {				MessageDialog.openInformation(fShell, fTitle, fInvalidMessage);			} finally {				if (in1 != null) { try { in1.close(); } catch (IOException e) {} }				if (in2 != null) { try { in2.close(); } catch (IOException e) {} }			}						}