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 package eu.etaxonomy.taxeditor.ui.dialog;
  10
  11 import eu.etaxonomy.cdm.common.URI;
  12 import java.net.URISyntaxException;
  13
  14 import org.eclipse.jface.dialogs.IInputValidator;
  15 import org.eclipse.jface.dialogs.InputDialog;
  16 import org.eclipse.jface.window.Window;
  17 import org.eclipse.swt.widgets.Shell;
  18
  19 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  20
  21 /**
  22  * <p>UriDialog class.</p>
  23  *
  24  * @author p.ciardelli
  25  * @created 31.03.2009
  26  *
  27  * TODO make this extend TitleAreaDialog
  28  */
  29 public class UriDialog extends InputDialog {
  30
  31         /**
  32          * @param parentShell
  33          * @param dialogTitle
  34          * @param dialogMessage
  35          * @param initialValue
  36          * @param validator
  37          */
  38         private UriDialog(Shell parentShell, String dialogTitle,
  39                         String dialogMessage) {
  40                 super(parentShell, dialogTitle,
  41                                 dialogMessage, "http://", new IInputValidator() {
  42
  43                                         public String isValid(String text) {
  44
  45                                                 try {
  46                                                         new URI(text);
  47                                                 } catch (URISyntaxException e) {
  48                                                         return "URL not correctly formed.";
  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                         MessagingUtils.error(getClass(), e);
  66                 }
  67                 return uri;
  68         }
  69
  70         /**
  71          * <p>getUri</p>
  72          *
  73          * @param shell a {@link org.eclipse.swt.widgets.Shell} object.
  74          * @param dialogTitle a {@link java.lang.String} object.
  75          * @param dialogMessage a {@link java.lang.String} object.
  76          * @return a {@link eu.etaxonomy.cdm.common.URI} object.
  77          */
  78         public static URI getUri(Shell shell, String dialogTitle,
  79                         String dialogMessage) {
  80                 UriDialog dialog = new UriDialog(shell,
  81                                 dialogTitle,
  82                                 dialogMessage);
  83                 if (dialog.open() == Window.CANCEL) {
  84                         return null;
  85                 }
  86                 return dialog.getUri();
  87         }
  88 }