Switch to side-by-side view

--- a
+++ b/src/net/timbusproject/context/converter/Util.java
@@ -0,0 +1,128 @@
+/**
+ * Copyright (c) 2013/2014 Verein zur Foerderung der IT-Sicherheit in Oesterreich (SBA).
+ * The work has been developed in the TIMBUS Project and the above-mentioned are Members of the TIMBUS Consortium.
+ * TIMBUS is supported by the European Union under the 7th Framework Programme for research and technological
+ * development and demonstration activities (FP7/2007-2013) under grant agreement no. 269940.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including without
+ * limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTIBITLY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise,
+ * unless required by applicable law or agreed to in writing, shall any Contributor be liable for damages, including
+ * any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this
+ * License or out of the use or inability to use the Work.
+ * See the License for the specific language governing permissions and limitation under the License.
+ */
+
+package net.timbusproject.context.converter;
+
+import java.io.File;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.osgi.util.NLS;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Shell;
+
+import uk.ac.bolton.archimate.editor.utils.StringUtils;
+import uk.ac.bolton.archimate.model.IFolder;
+import uk.ac.bolton.archimate.model.INameable;
+
+/**
+ * Various utilities to process archi elements and for string processing
+ * 
+ * @author Rudolf Mayer (rmayer@sba-research.org)
+ */
+public class Util {
+    public static void getElements(IFolder folder, List<EObject> list) {
+        for (EObject object : folder.getElements()) {
+            list.add(object);
+        }
+
+        for (IFolder f : folder.getFolders()) {
+            getElements(f, list);
+        }
+    }
+
+    public static void sort(List<EObject> list) {
+        if (list.isEmpty()) {
+            return;
+        }
+
+        Collections.sort(list, new Comparator<EObject>() {
+            @Override
+            public int compare(EObject o1, EObject o2) {
+                if (o1.eClass().equals(o2.eClass())) {
+                    if (o1 instanceof INameable && o2 instanceof INameable) {
+                        String name1 = StringUtils.safeString(((INameable) o1).getName()).toLowerCase().trim();
+                        String name2 = StringUtils.safeString(((INameable) o2).getName()).toLowerCase().trim();
+                        return name1.compareTo(name2);
+                    }
+                }
+                String name1 = o1.eClass().getName().toLowerCase();
+                String name2 = o2.eClass().getName().toLowerCase();
+                return name1.compareTo(name2);
+            }
+        });
+    }
+
+    public static String replaceSpecialWhiteSpace(String s) {
+        if (s == null) {
+            return "";
+        } else {
+            return s.replaceAll("(\r\n|\r|\n|\t)", " ");
+        }
+    }
+
+    public static File askSaveFile(String extension) {
+        return askSaveFile(extension, Messages.OWLExporter_1);
+    }
+
+    public static File askSaveFile(String extension, String message) {
+        return askSaveFile(extension, message, null);
+    }
+
+    public static File askSaveFile(String extension, String message, File defaultFile) {
+        return askSaveFile(extension, message, defaultFile, Display.getCurrent().getActiveShell());
+    }
+
+    /**
+     * Ask user for file name to save to
+     */
+    public static File askSaveFile(String extension, String message, File defaultFile, Shell shell) {
+        FileDialog dialog = new FileDialog(shell, SWT.SAVE);
+        if (defaultFile != null) {
+            dialog.setFileName(defaultFile.getAbsolutePath());
+        }
+        dialog.setText(message);
+        dialog.setFilterExtensions(new String[] { "*." + extension, "*.*" });
+        String path = dialog.open();
+        if (path == null) {
+            return null;
+        }
+
+        // Only Windows adds the extension by default
+        if (dialog.getFilterIndex() == 0 && !path.endsWith("." + extension)) {
+            path += "." + extension;
+        }
+
+        File file = new File(path);
+
+        // Make sure the file does not already exist
+        if (file.exists()) {
+            boolean result = MessageDialog.openQuestion(shell, message, NLS.bind(Messages.OWLExporter_2, file));
+            if (!result) {
+                return null;
+            }
+        }
+
+        return file;
+    }
+}