eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/dialog/UriDialog.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.taxeditor.ui.dialog;
  11
  12 import java.net.URI;
  13 import java.net.URISyntaxException;
  14
  15 import org.eclipse.jface.dialogs.IInputValidator;
  16 import org.eclipse.jface.dialogs.InputDialog;
  17 import org.eclipse.jface.window.Window;
  18 import org.eclipse.swt.widgets.Shell;
  19
  20 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  21
  22 /**
  23  * <p>UriDialog class.</p>
  24  *
  25  * @author p.ciardelli
  26  * @created 31.03.2009
  27  * @version 1.0
  28  *
  29  * TODO make this extend TitleAreaDialog
  30  */
  31 public class UriDialog extends InputDialog {
  32
  33         /**
  34          * @param parentShell
  35          * @param dialogTitle
  36          * @param dialogMessage
  37          * @param initialValue
  38          * @param validator
  39          */
  40         private UriDialog(Shell parentShell, String dialogTitle,
  41                         String dialogMessage) {
  42                 super(parentShell, dialogTitle,
  43                                 dialogMessage, "http://", new IInputValidator() {
  44
  45                                         public String isValid(String text) {
  46
  47                                                 try {
  48                                                         new URI(text);
  49                                                 } catch (URISyntaxException e) {
  50                                                         return "URL not correctly formed.";
  51                                                 }
  52
  53
  54                                                 if (text.length() <= "http://".length()) {
  55                                                         return "";
  56                                                 }
  57                                                 return null;
  58                                         }
  59
  60                 });
  61         }
  62
  63         private URI getUri() {
  64                 URI uri = null;
  65                 try {
  66                         uri = new URI(getValue());
  67                 } catch (URISyntaxException e) {
  68                         MessagingUtils.error(getClass(), e);
  69                 }
  70                 return uri;
  71         }
  72
  73         /**
  74          * <p>getUri</p>
  75          *
  76          * @param shell a {@link org.eclipse.swt.widgets.Shell} object.
  77          * @param dialogTitle a {@link java.lang.String} object.
  78          * @param dialogMessage a {@link java.lang.String} object.
  79          * @return a {@link java.net.URI} object.
  80          */
  81         public static URI getUri(Shell shell, String dialogTitle,
  82                         String dialogMessage) {
  83                 UriDialog dialog = new UriDialog(shell,
  84                                 dialogTitle,
  85                                 dialogMessage);
  86                 if (dialog.open() == Window.CANCEL) {
  87                         return null;
  88                 }
  89                 return dialog.getUri();
  90         }
  91 }