extracted load Statechart method

plugins/org.yakindu.sct.simulation.core/src/org/yakindu/sct/simulation/core/launch/AbstractSCTLaunchConfigurationDelegate.java

@@ -41,7 +41,7 @@ public abstract class AbstractSCTLaunchConfigurationDelegate extends LaunchConfi
 	public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor)
 			throws CoreException {
 		String filename = configuration.getAttribute(FILE_NAME, DEFAULT_FILE_NAME);
-		Statechart statechart = ResourceUtil.loadStatechart(filename);
+		Statechart statechart = loadStatechart(filename);
 		Assert.isNotNull(statechart);
 		SCTDebugTarget target = new SCTDebugTarget(launch, statechart, createExecutionContainer(launch, statechart));
 		launch.addDebugTarget(target);
@@ -49,6 +49,10 @@ public abstract class AbstractSCTLaunchConfigurationDelegate extends LaunchConfi
 
 	}
 
+	protected Statechart loadStatechart(String filename) {
+		return ResourceUtil.loadStatechart(filename);
+	}
+
 	@Override
 	protected IProject[] getProjectsForProblemSearch(ILaunchConfiguration configuration, String mode)
 			throws CoreException {