Add IRunnable class

com.archimatetool.editor/src/com/archimatetool/editor/ui/components/IRunnable.java

@@ -0,0 +1,58 @@
+package com.archimatetool.editor.ui.components;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.jface.operation.IRunnableContext;
+
+/**
+ * An IRunnableContext and IRunnableWithProgress wrapper that catches and re-throws any Exceptions. Example:
+ * 
+ * <pre>
+ *   ProgressMonitorDialog dialog = ...;
+ *   try {
+ *       IRunnable.run(dialog, monitor -> {
+ *           // do stuff...
+ *           monitor.setTaskName("New task");
+ *       }, true);
+ *   }
+ *   catch(Exception ex) {
+ *       ex.printStackTrace();
+ *   } 
+ * </pre>
+ * 
+ * @author Phillip Beauvoir
+ */
+public interface IRunnable {
+
+    void run(IProgressMonitor monitor) throws Exception;
+
+    /**
+     * Run the Runnable, catching any Exceptions and re-throwing them
+     * @param fork true if the runnable should be run in a separate thread and false to run in the same thread
+     */
+    static void run(IRunnableContext context, IRunnable runnable, boolean fork) throws Exception {
+        Exception[] exception = new Exception[1];
+
+        try {
+            context.run(fork, true, monitor -> {
+                try {
+                    runnable.run(monitor);
+                }
+                catch(Exception ex) {
+                    exception[0] = ex;
+                }
+            });
+        }
+        catch(InvocationTargetException ex) {
+            exception[0] = new Exception(ex.getTargetException()); // we want the target exception
+        }
+        catch(InterruptedException ex) {
+            exception[0] = ex;
+        }
+
+        if(exception[0] != null) {
+            throw exception[0];
+        }
+    }
+}