add Jolt (JsonTransformation) based implementation of the MigrationAssistant

The MigrationAssistant know has tow implementation which can be used
interchangeably. The Selection of the the right implementation is
triggerd by a flag within the MigrationOptions Class.

VadereGui/src/org/vadere/gui/projectview/control/ActionLoadProject.java

@@ -11,6 +11,8 @@ import org.vadere.simulator.entrypoints.Version;
 import org.vadere.simulator.projects.VadereProject;
 import org.vadere.simulator.projects.io.IOVadere;
 import org.vadere.simulator.projects.migration.MigrationAssistant;
+import org.vadere.simulator.projects.migration.MigrationOptions;
+import org.vadere.simulator.projects.migration.MigrationResult;
 
 import javax.swing.*;
 import java.awt.event.ActionEvent;
@@ -54,6 +56,7 @@ public class ActionLoadProject extends AbstractAction {
 
 				//TODO: [refactoring]: static call which has side-effect to the following call!
 				if (isRemigrationLoading) {
+					MigrationOptions migrationOptions;
 					Object option = JOptionPane.showInputDialog(null,
 							Messages.getString("ProjectView.chooseMigrationBaseDialog.text"),
 							Messages.getString("ProjectView.chooseMigrationBaseDialog.title"),
@@ -61,17 +64,19 @@ public class ActionLoadProject extends AbstractAction {
 							options, options[options.length-1]);
 
 					if(option.equals(options[options.length-1])) {
-						MigrationAssistant.setReapplyLatestMigrationFlag();
+						migrationOptions = MigrationOptions.reapplyWithAutomaticVersionDiscorvery();
 					}
 					else {
-						Version version = (Version)option;
-						MigrationAssistant.setReapplyLatestMigrationFlag(version);
+						migrationOptions = MigrationOptions.reapplyFromVersion((Version)option);
 					}
+					// 3. load project
+					loadProjectByPath(model, projectFilePath, migrationOptions);
 
+				} else {
+					// 3. load project
+					loadProjectByPath(model, projectFilePath);
 				}
 
-				// 3. load project
-				loadProjectByPath(model, projectFilePath);
 
 			} else {
 				logger.info(String.format("user canceled load project."));
@@ -97,9 +102,12 @@ public class ActionLoadProject extends AbstractAction {
 		ProjectView.getMainWindow().updateRecentProjectsMenu();
 	}
 
-	public static void loadProjectByPath(ProjectViewModel projectViewModel, String projectFilePath) {
+	public static void loadProjectByPath(ProjectViewModel projectViewModel, String projectFilePath){
+		loadProjectByPath(projectViewModel, projectFilePath, MigrationOptions.defaultOptions());
+	}
+	public static void loadProjectByPath(ProjectViewModel projectViewModel, String projectFilePath, MigrationOptions options) {
 		try {
-			VadereProject project = IOVadere.readProjectJson(projectFilePath);
+			VadereProject project = IOVadere.readProjectJson(projectFilePath, options);
 			projectViewModel.setCurrentProjectPath(projectFilePath);
 			projectViewModel.setProject(project);
 
@@ -118,15 +126,15 @@ public class ActionLoadProject extends AbstractAction {
 			logger.info(String.format("project '%s' loaded.", projectViewModel.getProject().getName()));
 
 			// results from migration assistant if he was active
-			int[] stats = project.getMigrationStats();
+			MigrationResult stats = project.getMigrationStats();
 
-			if (stats[1] > 0 || stats[2] > 0) { // scenarios: [0] total, [1] legacy'ed, [2] unmigratable
+			if (stats.total > 0 || stats.notmigratable > 0) { // scenarios: [0] total, [1] legacy'ed, [2] unmigratable
 				SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
 					@Override
 					public Void doInBackground() {
-						int total = stats[0];
-						int migrated = stats[1];
-						int nonmigratable = stats[2];
+						int total = stats.total;
+						int migrated = stats.legacy;
+						int nonmigratable = stats.notmigratable;
 						int untouched = total - migrated - nonmigratable;
 
 						// TODO pull this text from the language files
@@ -148,7 +156,7 @@ public class ActionLoadProject extends AbstractAction {
 
 						JOptionPane.showMessageDialog(
 								ProjectView.getMainWindow(),
-								message, "Migration assistant",
+								message, "JoltMigrationAssistant assistant",
 								JOptionPane.INFORMATION_MESSAGE);
 						return null;
 					}
@@ -157,7 +165,7 @@ public class ActionLoadProject extends AbstractAction {
 			}
 
 		} catch (Exception e) {
-			JOptionPane.showMessageDialog(null, e.getMessage(), "Migration assistant",
+			JOptionPane.showMessageDialog(null, e.getMessage(), "JoltMigrationAssistant assistant",
 					JOptionPane.ERROR_MESSAGE);
 			logger.error("could not load project: " + e.getMessage());
 			e.printStackTrace();

VadereSimulator/src/org/vadere/simulator/projects/VadereProject.java

@@ -3,6 +3,7 @@ package org.vadere.simulator.projects;
 import org.apache.log4j.LogManager;
 import org.apache.log4j.Logger;
 import org.vadere.simulator.control.PassiveCallback;
+import org.vadere.simulator.projects.migration.MigrationResult;
 
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -19,7 +20,6 @@ import java.util.stream.Collectors;
 
 /**
  * A VadereProject holds a list of {@link Scenario}s and functionality to manage them.
- * 
  */
 public class VadereProject {
 
@@ -37,8 +37,7 @@ public class VadereProject {
 	private Path outputDirectory;
 	private ProjectOutput projectOutput; //TODO initialize and wire up with rest ....
 
-	// TODO should be encapsulated in a class (we are not programming in C):
-	private int[] migrationStats; // scenarios: [0] total, [1] legacy'ed, [2] nonmigratable
+	private MigrationResult migrationStats;
 
 	public VadereProject(final String name, final Iterable<Scenario> scenarios) {
 		this.name = name;
@@ -98,7 +97,7 @@ public class VadereProject {
 			currentScenarioRun.simulationFailed(ex);
 			notifySimulationListenersSimulationError(currentScenarioRun.getScenario(), ex);
 		});
-		
+
 		notifySimulationListenersSimulationStarted(getCurrentScenario());
 		currentScenarioThread.start();
 	}
@@ -222,8 +221,8 @@ public class VadereProject {
 	public int getScenarioIndexByName(final Scenario srm) {
 		int index = -1;
 		int currentIndex = 0;
-		for(Scenario csrm : getScenarios()) {
-			if(csrm.getName().equals(srm.getName())) {
+		for (Scenario csrm : getScenarios()) {
+			if (csrm.getName().equals(srm.getName())) {
 				return currentIndex;
 			} else {
 				currentIndex++;
@@ -237,7 +236,7 @@ public class VadereProject {
 	}
 
 	public Scenario getScenario(int index) {
-		return getScenarios().toArray(new Scenario[] {})[index];
+		return getScenarios().toArray(new Scenario[]{})[index];
 	}
 
 	public void removeScenario(final Scenario scenario) {
@@ -256,15 +255,17 @@ public class VadereProject {
 		return currentScenarioRun.getScenario();
 	}
 
-	public void setMigrationStats(int[] migrationStats) {
+	public void setMigrationStats(MigrationResult migrationStats) {
 		this.migrationStats = migrationStats;
 	}
 
-	public int[] getMigrationStats() {
+	public MigrationResult getMigrationStats() {
 		return migrationStats;
 	}
 
-	/** Starts the next simulation if any. */
+	/**
+	 * Starts the next simulation if any.
+	 */
 	private RunnableFinishedListener scenarioFinishedListener = new RunnableFinishedListener() {
 		@Override
 		public void finished(Runnable runnable) {

VadereSimulator/src/org/vadere/simulator/projects/io/IOVadere.java

@@ -6,12 +6,15 @@ import org.vadere.simulator.projects.ProjectOutput;
 import org.vadere.simulator.projects.Scenario;
 import org.vadere.simulator.projects.VadereProject;
 import org.vadere.simulator.projects.migration.MigrationAssistant;
+import org.vadere.simulator.projects.migration.MigrationOptions;
+import org.vadere.simulator.projects.migration.MigrationResult;
 import org.vadere.simulator.projects.migration.incidents.ExceptionIncident;
 import org.vadere.util.io.IOUtils;
 import org.xml.sax.SAXException;
 
 import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.transform.TransformerException;
+
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -30,7 +33,12 @@ public class IOVadere {
 		return JsonConverter.deserializeScenarioRunManager(json);
 	}
 
-	public static VadereProject readProjectJson(final String filepath)
+	public static VadereProject readProjectJson(final String filepath) throws ParserConfigurationException, SAXException,
+			IOException, TransformerException {
+		return readProjectJson(filepath, MigrationOptions.defaultOptions());
+	}
+
+	public static VadereProject readProjectJson(final String filepath, final MigrationOptions options)
 			throws ParserConfigurationException, SAXException,
 			IOException, TransformerException {
 
@@ -38,21 +46,26 @@ public class IOVadere {
 		if (!Files.isDirectory(p))
 			p = p.getParent();
 
-		return IOVadere.readProject(p.toString());
+		return IOVadere.readProject(p.toString(), options);
 	}
 
 	public static VadereProject readProject(final String folderpath) throws IOException {
+		return readProject(folderpath, MigrationOptions.defaultOptions());
+	}
+
+	public static VadereProject readProject(final String folderpath, final MigrationOptions options) throws IOException {
 		String name = IOUtils.readTextFile(Paths.get(folderpath, IOUtils.VADERE_PROJECT_FILENAME).toString());
 		logger.info("read .project file");
 
 		List<Scenario> scenarios = new ArrayList<>();
 		Set<String> scenarioNames = new HashSet<>();
 		Path p = Paths.get(folderpath, IOUtils.SCENARIO_DIR);
-		int[] migrationStats = {0, 0, 0};
+		MigrationResult migrationStats = new MigrationResult();
 		if (Files.isDirectory(p)) {
 
-			migrationStats = MigrationAssistant.analyzeProject(folderpath);
-            logger.info("analysed .scenario files");
+			MigrationAssistant migrationAssistant = MigrationAssistant.getNewInstance(options);
+			migrationStats = migrationAssistant.analyzeProject(folderpath);
+			logger.info("analysed .scenario files");
 			for (File file : IOUtils.getFilesInScenarioDirectory(p)) {
 				try {
 					Scenario scenario =
@@ -62,8 +75,7 @@ public class IOVadere {
 						throw new IOException("Found two scenarios with the same name.");
 					}
 					scenarios.add(scenario);
-				}
-				catch (Exception e) {
+				} catch (Exception e) {
 					logger.error("could not read " + file.getName());
 					throw e;
 				}
@@ -71,11 +83,12 @@ public class IOVadere {
 		}
 
 		VadereProject project = new VadereProject(name, scenarios);
+		logger.info(migrationStats.toString());
 		project.setMigrationStats(migrationStats); // TODO [priority=low] [task=refactoring] better way to tunnel those results to the GUI?
 		project.setOutputDir(Paths.get(folderpath, IOUtils.OUTPUT_DIR));
 		ProjectOutput projectOutput = new ProjectOutput(project);
 		project.setProjectOutput(projectOutput);
-        logger.info("project loaded: " + project.getName());
+		logger.info("project loaded: " + project.getName());
 		return project;
 	}
 

VadereSimulator/src/org/vadere/simulator/projects/migration/IncidentMigrationAssistant.java

+package org.vadere.simulator.projects.migration;
+
+import com.fasterxml.jackson.databind.JsonNode;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.text.SimpleDateFormat;
+import java.util.*;
+import java.util.stream.Collectors;
+
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.vadere.simulator.entrypoints.Version;
+import org.vadere.simulator.projects.migration.incidents.ExceptionIncident;
+import org.vadere.simulator.projects.migration.incidents.Incident;
+import org.vadere.simulator.projects.migration.incidents.VersionBumpIncident;
+import org.vadere.state.util.StateJsonConverter;
+import org.vadere.util.io.IOUtils;
+
+public class IncidentMigrationAssistant extends MigrationAssistant {
+
+	private static Logger logger = LogManager.getLogger(IncidentMigrationAssistant.class);
+	StringBuilder log;
+
+	public IncidentMigrationAssistant() {
+		super(MigrationOptions.defaultOptions());
+		StringBuilder log = new StringBuilder();
+	}
+
+	public IncidentMigrationAssistant(final MigrationOptions migrationOptions) {
+		super(migrationOptions);
+		log = new StringBuilder();
+	}
+
+	@Override
+	public String getLog() {
+		return log.toString();
+	}
+
+//	@Override
+//	public  void analyzeSingleScenario(Path path) throws IOException {
+//		try {
+//			analyzeScenario(path, null, log, true)	;
+//		} catch (MigrationException e) {
+//			logger.error(log.toString());
+//		}
+//	}
+
+	@Override
+	public MigrationResult analyzeProject(String projectFolderPath) throws IOException {
+
+		MigrationResult stats = new MigrationResult();
+
+		Path scenarioDir = Paths.get(projectFolderPath, IOUtils.SCENARIO_DIR);
+		if (Files.exists(scenarioDir)) {
+			stats = analyzeDirectory(scenarioDir, true);
+		}
+
+		Path outputDir = Paths.get(projectFolderPath, IOUtils.OUTPUT_DIR);
+		if (Files.exists(outputDir)) {
+			MigrationResult outputDirStats = analyzeDirectory(outputDir, false);
+			stats.add(outputDirStats);
+		}
+
+
+		return stats;
+	}
+
+	// if isScenario is false, its output
+	private MigrationResult analyzeDirectory(Path dir, boolean isScenario) throws IOException {
+
+		Path legacyDir = null;
+		if (isScenario) {
+			legacyDir = dir.getParent().resolve(IOUtils.LEGACY_DIR).resolve("scenarios");
+		}
+
+
+		File[] scenarioFiles = isScenario ? IOUtils.getFilesInScenarioDirectory(dir) : IOUtils.getScenarioFilesInOutputDirectory(dir);
+		MigrationResult stats = new MigrationResult(scenarioFiles.length); // scenarios: [0] total, [1] legacy'ed, [2] nonmigratable
+
+		int legacyedCount = 0;
+		int nonmigratableCount = 0;
+		for (File file : scenarioFiles) {
+
+			if (!isScenario) {
+				String fileFolder = Paths.get(file.getParent()).getFileName().toString(); // the folder in which the .scenario and the .trajectories file lies
+				legacyDir = dir.getParent().resolve(IOUtils.LEGACY_DIR).resolve("output").resolve(fileFolder);
+			}
+
+			Path scenarioFilePath = Paths.get(file.getAbsolutePath());
+			try {
+				if (analyzeScenario(scenarioFilePath, legacyDir, isScenario)) {
+					stats.legacy++;
+				} else {
+					stats.upToDate++;
+				}
+			} catch (MigrationException e) {
+				moveFileAddExtension(scenarioFilePath, legacyDir, migrationOptions.getNonmigratabelExtension(), !isScenario);
+				log.append(
+						"! --> Can't migrate the scenario to latest version, removed it from the directory ("
+								+ e.getMessage() + ")\n" +
+								"If you can fix this problem manually, do so and then remove ."
+								+ migrationOptions.getNonmigratabelExtension() + " from the file in the " + IOUtils.LEGACY_DIR + "-directory " +
+								"and move it back into the scenarios-directory, it will be checked again when the GUI restarts.\n");
+				stats.notmigratable++;
+			}
+		}
+
+		if (!isScenario) {
+			legacyDir = dir.getParent().resolve(IOUtils.LEGACY_DIR).resolve("output");
+		}
+
+		if (stats.legacy + stats.notmigratable > 0)
+			IOUtils.writeTextFile(legacyDir.resolve("_LOG-" + getTimestamp() + ".txt").toString(), log.toString());
+
+		return stats;
+	}
+
+	private boolean analyzeScenario(Path scenarioFilePath, Path legacyDir, boolean isScenario) throws IOException, MigrationException {
+		String json = IOUtils.readTextFile(scenarioFilePath);
+		JsonNode node = StateJsonConverter.deserializeToNode(json);
+		Tree tree = new Tree(node);
+
+		String outputScenarioParentFolderName = isScenario ? "" : scenarioFilePath.getParent().getFileName().toString() + " _ ";
+
+		log.append("\n>> analyzing JSON tree of scenario <" + outputScenarioParentFolderName + node.get("name").asText() + ">\n");
+
+		Version version = Version.UNDEFINED;
+
+		if (node.get("release") != null) {
+			version = Version.fromString(node.get("release").asText());
+
+			if (version == null) {
+				throw new MigrationException("release version " + node.get("release").asText() + " is unknown. If this " +
+						"is a valid release, update the version-list in MigrationAssistant accordingly");
+			}
+
+			// if enforced migration should be done from baseVersion to latestVersion
+			if (migrationOptions.isReapplyLatestMigrationFlag() && migrationOptions.getBaseVersion() != null) {
+				version = migrationOptions.getBaseVersion();
+
+			} else if (migrationOptions.isReapplyLatestMigrationFlag()) { // if enforced migration should be done from prev version to latest
+				Optional<Version> optVersion = Version.getPrevious(version);
+				if (optVersion.isPresent()) {
+					version = optVersion.get();
+				} else {
+					return false;
+				}
+			} // if no enforced migration should be done and we are at the latest version, no migration is required.
+			else if (version == Version.latest()) {
+				return false;
+			}
+		}
+
+		// 1. collect possible incidents
+
+		List<Incident> possibleIncidents = new ArrayList<>();
+		for (int versionIndex = version.ordinal(); versionIndex < Version.latest().ordinal(); versionIndex++) {
+			Version ver = Version.values()[versionIndex];
+			log.append("  > checking possible incidents from version \"")
+					.append(ver.label()).append("\" to version \"")
+					.append(Version.values()[versionIndex + 1].label()).append("\"\n");
+			possibleIncidents.addAll(IncidentDatabase.getInstance().getPossibleIncidentsFor(ver));
+		}
+		possibleIncidents.add(new ExceptionIncident(node));
+		possibleIncidents.add(new VersionBumpIncident(node, version));
+
+		// 2. filter those out that don't apply
+
+		List<Incident> applicableIncidents = possibleIncidents.stream()
+				.filter(incident -> incident.applies(tree))
+				.collect(Collectors.toList());
+
+		// 3. resolve the applicable incidents (step 2 and 3 are intentionally separated to uncover
+		//		potentially dangerous flaws in the order of the incidents in the IncidentDatabase)
+
+		for (Incident incident : applicableIncidents)
+			incident.resolve(tree, log);
+
+		if (legacyDir != null) {
+			moveFileAddExtension(scenarioFilePath, legacyDir, migrationOptions.getLegacyExtension(), false);
+		}
+		IOUtils.writeTextFile(scenarioFilePath.toString(), StateJsonConverter.serializeJsonNode(node));
+		return true;
+	}
+
+	private void moveFileAddExtension(Path scenarioFilePath, Path legacyDir, String additionalExtension, boolean moveOutputFolder) throws IOException {
+		Path source = scenarioFilePath;
+		Path target = legacyDir.resolve(source.getFileName() + "." + additionalExtension);
+
+		if (moveOutputFolder) {
+			source = source.getParent();
+			target = Paths.get(legacyDir.toAbsolutePath() + "." + additionalExtension);
+		}
+
+		IOUtils.createDirectoryIfNotExisting(target);
+		Files.move(source, target, StandardCopyOption.REPLACE_EXISTING); // ensure potential existing files aren't overwritten?
+	}
+
+	private String getTimestamp() {
+		return new SimpleDateFormat("yyyyMMddHHmmss").format(new java.util.Date());
+	}
+
+}

VadereSimulator/src/org/vadere/simulator/projects/migration/Migration.java → VadereSimulator/src/org/vadere/simulator/projects/migration/JoltMigrationAssistant.java

@@ -26,50 +26,41 @@ import static org.vadere.util.io.IOUtils.OUTPUT_DIR;
 import static org.vadere.util.io.IOUtils.SCENARIO_DIR;
 
 
-public class Migration {
+public class JoltMigrationAssistant extends MigrationAssistant {
 
-	private final static Logger logger = Logger.getLogger(Migration.class);
+	private final static Logger logger = Logger.getLogger(JoltMigrationAssistant.class);
 	private final static LogBufferAppender appender;
 
 	private static HashMap<Version, Chainr> identityTransformation = new LinkedHashMap<>();
-	// Version is the target version. Only Incremental Transformation supported 1->2->3 (not 1->3)
 	private static HashMap<Version, Chainr> transformations = new LinkedHashMap<>();
-	private static final String LEGACY_EXTENSION = "legacy";
-	private static final String NONMIGRATABLE_EXTENSION = "nonmigratable";
 
 	static {
 		identityTransformation.put(Version.V0_1, Chainr.fromSpec(JsonUtils.classpathToList("/identity_v1.json")));
 		identityTransformation.put(Version.V0_2, Chainr.fromSpec(JsonUtils.classpathToList("/identity_v2.json")));
 
 		transformations.put(Version.V0_2, Chainr.fromSpec(JsonUtils.classpathToList("/transform_v1_to_v2.json")));
-
 		appender = new LogBufferAppender();
 	}
 
-
-	private Version baseVersion = null;
-	private boolean reapplyLatestMigrationFlag = false;
 	private Diffy transformationDiff;
 
-	public Migration() {
+	public JoltMigrationAssistant(MigrationOptions options) {
+		super(options);
 		this.transformationDiff = new Diffy();
 		logger.addAppender(appender);
 	}
 
-	public String getLog() {
-		return appender.getMigrationLog();
+	public JoltMigrationAssistant() {
+		this(MigrationOptions.defaultOptions());
 	}
 
-	public void setReapplyLatestMigrationFlag() {
-		reapplyLatestMigrationFlag = true;
-		baseVersion = null;
+	@Override
+	public String getLog() {
+		return appender.getMigrationLog();
 	}
 
-	public void setReapplyLatestMigrationFlag(final Version version) {
-		reapplyLatestMigrationFlag = true;
-		baseVersion = version;
-	}
 
+	@Override
 	public MigrationResult analyzeProject(String projectFolderPath) throws IOException {
 		MigrationResult stats = new MigrationResult();
 
@@ -83,9 +74,6 @@ public class Migration {
 			MigrationResult outputDirStats = analyzeDirectory(outputDir, OUTPUT_DIR);
 			stats.add(outputDirStats);
 		}
-
-		baseVersion = null;
-
 		return stats;
 	}
 
@@ -112,10 +100,10 @@ public class Migration {
 					stats.upToDate++;
 				}
 			} catch (MigrationException e) {
-				moveFileAddExtension(scenarioFilePath, legacyDir, NONMIGRATABLE_EXTENSION, !dirName.equals(SCENARIO_DIR));
+				moveFileAddExtension(scenarioFilePath, legacyDir, migrationOptions.getNonmigratabelExtension(), !dirName.equals(SCENARIO_DIR));
 				logger.error("!> Can't migrate the scenario to latest version, removed it from the directory (" +
 						e.getMessage() + ") If you can fix this problem manually, do so and then remove ." +
-						NONMIGRATABLE_EXTENSION + " from the file in the " + LEGACY_DIR + "-directory "
+						migrationOptions.getNonmigratabelExtension() + " from the file in the " + LEGACY_DIR + "-directory "
 						+ "and move it back into the scenarios-directory, it will be checked again when the GUI restarts.");
 				stats.notmigratable++;
 			}
@@ -179,10 +167,10 @@ public class Migration {
 			}
 
 			// if enforced migration should be done from baseVersion to latestVersion
-			if (reapplyLatestMigrationFlag && baseVersion != null) {
-				version = baseVersion;
+			if (migrationOptions.isReapplyLatestMigrationFlag() && migrationOptions.getBaseVersion() != null) {
+				version = migrationOptions.getBaseVersion();
 
-			} else if (reapplyLatestMigrationFlag) { // if enforced migration should be done from prev version to latest
+			} else if (migrationOptions.isReapplyLatestMigrationFlag()) { // if enforced migration should be done from prev version to latest
 				Optional<Version> optVersion = Version.getPrevious(version);
 				if (optVersion.isPresent()) {
 					version = optVersion.get();
@@ -204,7 +192,8 @@ public class Migration {
 			transformedNode = transform(transformedNode, v);
 		}
 		if (legacyDir != null) {
-			moveFileAddExtension(scenarioFilePath, legacyDir, LEGACY_EXTENSION, false);
+			logger.info("Scenario Migrated. Move olde version to legacyDir");
+			moveFileAddExtension(scenarioFilePath, legacyDir, migrationOptions.getLegacyExtension(), false);
 		}
 		IOUtils.writeTextFile(scenarioFilePath.toString(), StateJsonConverter.serializeJsonNode(transformedNode));
 		return true;

VadereSimulator/src/org/vadere/simulator/projects/migration/JoltTest.java

@@ -3,13 +3,22 @@ package org.vadere.simulator.projects.migration;
 import com.bazaarvoice.jolt.Chainr;
 import com.bazaarvoice.jolt.Diffy;
 import com.bazaarvoice.jolt.JsonUtils;
+import com.fasterxml.jackson.core.JsonProcessingException;