taxeditor-store/src/main/java/eu/etaxonomy/taxeditor/dialogs/UriDialog.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.dialogs;
  12
  13 import java.net.URI;
  14 import java.net.URISyntaxException;
  15
  16 import org.eclipse.jface.dialogs.IInputValidator;
  17 import org.eclipse.jface.dialogs.InputDialog;
  18 import org.eclipse.jface.window.Window;
  19 import org.eclipse.swt.widgets.Shell;
  20
  21 /**
  22  * @author p.ciardelli
  23  * @created 31.03.2009
  24  * @version 1.0
  25  *
  26  * TODO make this extend TitleAreaDialog
  27  */
  28 public class UriDialog extends InputDialog {
  29
  30         /**
  31          * @param parentShell
  32          * @param dialogTitle
  33          * @param dialogMessage
  34          * @param initialValue
  35          * @param validator
  36          */
  37         private UriDialog(Shell parentShell, String dialogTitle,
  38                         String dialogMessage) {
  39                 super(parentShell, dialogTitle,
  40                                 dialogMessage, "http://", new IInputValidator() {
  41
  42                                         public String isValid(String text) {
  43
  44                                                 try {
  45                                                         new URI(text);
  46                                                 } catch (URISyntaxException e) {
  47                                                         return "URL not correctly formed.";
  48                                                 }
  49
  50
  51                                                 if (text.length() <= "http://".length()) {
  52                                                         return "";
  53                                                 }
  54                                                 return null;
  55                                         }
  56
  57                 });
  58         }
  59
  60         private URI getUri() {
  61                 URI uri = null;
  62                 try {
  63                         uri = new URI(getValue());
  64                 } catch (URISyntaxException e) {
  65                         // TODO Auto-generated catch block
  66                         e.printStackTrace();
  67                 }
  68                 return uri;
  69         }
  70
  71         public static URI getUri(Shell shell, String dialogTitle,
  72                         String dialogMessage) {
  73                 UriDialog dialog = new UriDialog(shell,
  74                                 dialogTitle,
  75                                 dialogMessage);
  76                 if (dialog.open() == Window.CANCEL) {
  77                         return null;
  78                 }
  79                 return dialog.getUri();
  80         }
  81 }