eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/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.ui.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 import eu.etaxonomy.taxeditor.store.StoreUtil;
  22
  23 /**
  24  * <p>UriDialog class.</p>
  25  *
  26  * @author p.ciardelli
  27  * @created 31.03.2009
  28  * @version 1.0
  29  *
  30  * TODO make this extend TitleAreaDialog
  31  */
  32 public class UriDialog extends InputDialog {
  33
  34         /**
  35          * @param parentShell
  36          * @param dialogTitle
  37          * @param dialogMessage
  38          * @param initialValue
  39          * @param validator
  40          */
  41         private UriDialog(Shell parentShell, String dialogTitle,
  42                         String dialogMessage) {
  43                 super(parentShell, dialogTitle,
  44                                 dialogMessage, "http://", new IInputValidator() {
  45
  46                                         public String isValid(String text) {
  47
  48                                                 try {
  49                                                         new URI(text);
  50                                                 } catch (URISyntaxException e) {
  51                                                         return "URL not correctly formed.";
  52                                                 }
  53
  54
  55                                                 if (text.length() <= "http://".length()) {
  56                                                         return "";
  57                                                 }
  58                                                 return null;
  59                                         }
  60
  61                 });
  62         }
  63
  64         private URI getUri() {
  65                 URI uri = null;
  66                 try {
  67                         uri = new URI(getValue());
  68                 } catch (URISyntaxException e) {
  69                         StoreUtil.error(getClass(), e);
  70                 }
  71                 return uri;
  72         }
  73
  74         /**
  75          * <p>getUri</p>
  76          *
  77          * @param shell a {@link org.eclipse.swt.widgets.Shell} object.
  78          * @param dialogTitle a {@link java.lang.String} object.
  79          * @param dialogMessage a {@link java.lang.String} object.
  80          * @return a {@link java.net.URI} object.
  81          */
  82         public static URI getUri(Shell shell, String dialogTitle,
  83                         String dialogMessage) {
  84                 UriDialog dialog = new UriDialog(shell,
  85                                 dialogTitle,
  86                                 dialogMessage);
  87                 if (dialog.open() == Window.CANCEL) {
  88                         return null;
  89                 }
  90                 return dialog.getUri();
  91         }
  92 }