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 import org.eclipse.ui.editors.text.EditorsUI;
  21
  22 import eu.etaxonomy.taxeditor.store.StoreUtil;
  23
  24 /**
  25  * <p>UriDialog class.</p>
  26  *
  27  * @author p.ciardelli
  28  * @created 31.03.2009
  29  * @version 1.0
  30  *
  31  * TODO make this extend TitleAreaDialog
  32  */
  33 public class UriDialog extends InputDialog {
  34
  35         /**
  36          * @param parentShell
  37          * @param dialogTitle
  38          * @param dialogMessage
  39          * @param initialValue
  40          * @param validator
  41          */
  42         private UriDialog(Shell parentShell, String dialogTitle,
  43                         String dialogMessage) {
  44                 super(parentShell, dialogTitle,
  45                                 dialogMessage, "http://", new IInputValidator() {
  46
  47                                         public String isValid(String text) {
  48
  49                                                 try {
  50                                                         new URI(text);
  51                                                 } catch (URISyntaxException e) {
  52                                                         return "URL not correctly formed.";
  53                                                 }
  54
  55
  56                                                 if (text.length() <= "http://".length()) {
  57                                                         return "";
  58                                                 }
  59                                                 return null;
  60                                         }
  61
  62                 });
  63         }
  64
  65         private URI getUri() {
  66                 URI uri = null;
  67                 try {
  68                         uri = new URI(getValue());
  69                 } catch (URISyntaxException e) {
  70                         StoreUtil.error(getClass(), e);
  71                 }
  72                 return uri;
  73         }
  74
  75         /**
  76          * <p>getUri</p>
  77          *
  78          * @param shell a {@link org.eclipse.swt.widgets.Shell} object.
  79          * @param dialogTitle a {@link java.lang.String} object.
  80          * @param dialogMessage a {@link java.lang.String} object.
  81          * @return a {@link java.net.URI} object.
  82          */
  83         public static URI getUri(Shell shell, String dialogTitle,
  84                         String dialogMessage) {
  85                 UriDialog dialog = new UriDialog(shell,
  86                                 dialogTitle,
  87                                 dialogMessage);
  88                 if (dialog.open() == Window.CANCEL) {
  89                         return null;
  90                 }
  91                 return dialog.getUri();
  92         }
  93 }