@Override
public ConversionResult convert(final Path path) {
ConversionResult result = new ConversionResult();
// Check Asset is of the correct format
if (!xlsDTableType.accept(path)) {
result.addMessage("Source Asset is not an XLS Decision Table.", ConversionMessageType.ERROR);
return result;
}
// Perform conversion!
final GuidedDecisionTableGeneratorListener listener = parseAssets(path, result);
// Root path for new resources is the same folder as the XLS file
final Path context = Paths.convert(Paths.convert(path).getParent());
// Add Ancillary resources
createNewImports(context, listener.getImports(), result);
createNewFunctions(context, listener.getImports(), listener.getFunctions(), result);
createNewQueries(context, listener.getImports(), listener.getQueries(), result);
makeNewJavaTypes(context, listener.getTypeDeclarations(), result);
createNewGlobals(context, listener.getGlobals(), result);
// Add Web Guided Decision Tables
createNewDecisionTables(
context, listener.getImports(), listener.getGuidedDecisionTables(), result);
return result;
}
private void createNewDecisionTables(
final Path context,
final List<Import> imports,
final List<GuidedDecisionTable52> dtables,
final ConversionResult result) {
if (dtables == null || dtables.isEmpty()) {
return;
}
// Create new assets for Guided Decision Tables
for (int iCounter = 0; iCounter < dtables.size(); iCounter++) {
// Add imports
final GuidedDecisionTable52 dtable = dtables.get(iCounter);
for (Import item : imports) {
dtable
.getImports()
.addImport(
new org.drools.workbench.models.datamodel.imports.Import(item.getClassName()));
}
// Make new resource
final String assetName = makeNewAssetName(dtable.getTableName(), guidedDTableType);
guidedDecisionTableService.create(
context, assetName, dtable, "Converted from XLS Decision Table");
result.addMessage(
"Created Guided Decision Table '" + assetName + "'", ConversionMessageType.INFO);
}
}
private void createNewGlobals(
final Path context, final List<Global> globals, final ConversionResult result) {
if (globals == null || globals.isEmpty()) {
return;
}
// Create new asset for Globals. All Globals can be in one file.
final String assetName = makeNewAssetName("Global", globalsType);
final GlobalsModel model = makeGlobalsModel(globals);
globalsService.create(context, assetName, model, "Converted from XLS Decision Table");
result.addMessage("Created Globals '" + assetName + "'", ConversionMessageType.INFO);
}
private void createNewImports(
final Path context, final List<Import> imports, final ConversionResult result) {
if (imports == null || imports.isEmpty()) {
return;
}
// Load existing PackageImports
ProjectImports projectImports = new ProjectImports();
final org.uberfire.java.nio.file.Path nioExternalImportsPath =
Paths.convert(context).resolve("project.imports");
final Path externalImportsPath = Paths.convert(nioExternalImportsPath);
if (Files.exists(nioExternalImportsPath)) {
projectImports = importsService.load(externalImportsPath);
}
// Make collections of existing Imports so we don't duplicate them when adding the new
List<String> existingImports = new ArrayList<String>();
for (org.drools.workbench.models.datamodel.imports.Import item :
projectImports.getImports().getImports()) {
existingImports.add(item.getType());
}
// Add imports
boolean isModified = false;
for (Import item : imports) {
if (!existingImports.contains(item.getClassName())) {
isModified = true;
result.addMessage(
"Created Import for '" + item.getClassName() + "'.", ConversionMessageType.INFO);
projectImports
.getImports()
.addImport(
new org.drools.workbench.models.datamodel.imports.Import(item.getClassName()));
}
}
// Save update
if (isModified) {
final Metadata metadata = metadataService.getMetadata(context);
importsService.save(
externalImportsPath, projectImports, metadata, "Imports added during XLS conversion");
}
}
private void makeNewJavaTypes(
final Path context, final List<String> declaredTypes, final ConversionResult result) {
if (declaredTypes == null || declaredTypes.isEmpty()) {
return;
}
final KieProject project = projectService.resolveProject(context);
for (String declaredType : declaredTypes) {
final FactModels factModels = FactModelPersistence.unmarshal(declaredType);
final String packageName = factModels.getPackageName();
final DataModel dataModel = new DataModelImpl();
for (FactMetaModel factMetaModel : factModels.getModels()) {
final DataObject dataObject = new DataObjectImpl(factMetaModel.getName(), packageName);
dataObject.setSuperClassName(factMetaModel.getSuperType());
final List<AnnotationMetaModel> annotationMetaModel = factMetaModel.getAnnotations();
addAnnotations(dataObject, annotationMetaModel);
final List<FieldMetaModel> fields = factMetaModel.getFields();
for (FieldMetaModel fieldMetaModel : fields) {
final String fieldName = fieldMetaModel.name;
final String fieldType = fieldMetaModel.type;
// Guvnor 5.5 (and earlier) does not have MultipleType
boolean isMultiple = false;
boolean isBaseType = orderedBaseTypes.containsValue(fieldType);
ObjectProperty property = new ObjectPropertyImpl(fieldName, fieldType, isMultiple);
property.setBaseType(isBaseType);
// field has no annotation in Guvnor 5.5 (and earlier)
dataObject.addProperty(property);
result.addMessage(
"Created Java Type " + getJavaTypeFQCN(dataObject), ConversionMessageType.INFO);
}
dataModel.getDataObjects().add(dataObject);
}
modellerService.saveModel(dataModel, project);
}
}
private void createNewQueries(
final Path context,
final List<Import> imports,
final List<String> queries,
final ConversionResult result) {
if (queries == null || queries.isEmpty()) {
return;
}
// Create new assets for Queries
for (int iCounter = 0; iCounter < queries.size(); iCounter++) {
final String assetName = makeNewAssetName("Query " + (iCounter + 1), drlType);
final String drl = makeDRL(imports, queries.get(iCounter));
drlService.create(context, assetName, drl, "Converted from XLS Decision Table");
result.addMessage("Created Query '" + assetName + "'", ConversionMessageType.INFO);
}
}
private GuidedDecisionTableGeneratorListener parseAssets(
final Path path, final ConversionResult result) {
final List<DataListener> listeners = new ArrayList<DataListener>();
final GuidedDecisionTableGeneratorListener listener =
new GuidedDecisionTableGeneratorListener(result);
listeners.add(listener);
final ExcelParser parser = new ExcelParser(listeners);
final InputStream stream = ioService.newInputStream(Paths.convert(path));
try {
parser.parseFile(stream);
} finally {
try {
stream.close();
} catch (IOException ioe) {
result.addMessage(ioe.getMessage(), ConversionMessageType.ERROR);
}
}
return listener;
}
