private Node createNodeForModelId(ModelId id) throws RepositoryException {
StringBuilder pathBuilder = new StringBuilder();
Iterator<String> modelIdIterator = id.iterator();
Node rootNode = session.getRootNode();
while (modelIdIterator.hasNext()) {
String nextPathFragment = modelIdIterator.next();
pathBuilder.append(nextPathFragment).append("/");
try {
rootNode.getNode(pathBuilder.toString());
} catch (PathNotFoundException pathNotFound) {
Node addedNode = rootNode.addNode(pathBuilder.toString(), "nt:folder");
addedNode.setPrimaryType("nt:folder");
}
}
return rootNode.getNode(id.getFullPath().substring(1));
}
private ModelEMFResource getEMFResource(ModelId modelId) {
try {
Node folderNode = session.getNode(modelId.getFullPath());
Node fileNode = (Node) folderNode.getNodes().next();
Node fileItem = (Node) fileNode.getPrimaryItem();
InputStream is = fileItem.getProperty("jcr:data").getBinary().getStream();
return (ModelEMFResource) ModelParserFactory.getParser(fileNode.getName()).parse(is);
} catch (Exception e) {
throw new FatalModelRepositoryException("Something went wrong accessing the repository", e);
}
}
private ModelResource createModelResource(Node node) throws RepositoryException {
ModelResource resource =
new ModelResource(
ModelId.fromPath(node.getParent().getPath()),
ModelType.valueOf(node.getProperty("vorto:type").getString()));
resource.setDescription(node.getProperty("vorto:description").getString());
resource.setDisplayName(node.getProperty("vorto:displayname").getString());
resource.setCreationDate(node.getProperty("jcr:created").getDate().getTime());
if (node.hasProperty("vorto:author")) {
resource.setAuthor(node.getProperty("vorto:author").getString());
}
if (node.hasProperty("vorto:references")) {
Value[] referenceValues = node.getProperty("vorto:references").getValues();
if (referenceValues != null) {
ModelReferencesHelper referenceHelper = new ModelReferencesHelper();
for (Value referValue : referenceValues) {
String nodeUuid = referValue.getString();
Node referencedNode = session.getNodeByIdentifier(nodeUuid);
referenceHelper.addModelReference(
ModelId.fromPath(referencedNode.getParent().getPath()).getPrettyFormat());
}
resource.setReferences(referenceHelper.getReferences());
}
}
PropertyIterator propIter = node.getReferences();
while (propIter.hasNext()) {
Property prop = propIter.nextProperty();
Node referencedByFileNode = prop.getParent();
final ModelId referencedById = ModelId.fromPath(referencedByFileNode.getParent().getPath());
resource.getReferencedBy().add(referencedById);
}
return resource;
}
@Override
public void removeModel(ModelId modelId) {
try {
ModelResource modelResource = getById(modelId);
if (!modelResource.getReferencedBy().isEmpty()) {
throw new ModelReferentialIntegrityException(
"Cannot remove model because it is referenced by other model(s)",
modelResource.getReferencedBy());
}
Item item = session.getItem(modelId.getFullPath());
item.remove();
session.save();
} catch (RepositoryException e) {
throw new FatalModelRepositoryException("Problem occured removing the model", e);
}
}
@Override
public ModelResource getById(ModelId modelId) {
try {
Node foundNode = session.getNode(modelId.getFullPath());
Node fileNode = (Node) foundNode.getNodes().next();
ModelResource modelResource = createModelResource(fileNode);
if (modelResource.getModelType() == ModelType.InformationModel) {
for (ModelId referencedById : modelResource.getReferencedBy()) {
ModelEMFResource emfResource = getEMFResource(referencedById);
modelResource.addTargetPlatform(emfResource.getTargetPlatform());
}
}
return modelResource;
} catch (PathNotFoundException e) {
return null;
} catch (RepositoryException e) {
throw new RuntimeException("Retrieving Content of Resource: Problem accessing repository", e);
}
}
@Override
public byte[] getModelContent(ModelId modelId, ContentType contentType) {
try {
Node folderNode = session.getNode(modelId.getFullPath());
Node fileNode = (Node) folderNode.getNodes().next();
Node fileItem = (Node) fileNode.getPrimaryItem();
InputStream is = fileItem.getProperty("jcr:data").getBinary().getStream();
if (contentType == ContentType.XMI) {
ModelEMFResource resource =
(ModelEMFResource) ModelParserFactory.getParser(fileNode.getName()).parse(is);
return resource.toXMI();
} else {
return IOUtils.toByteArray(is);
}
} catch (PathNotFoundException e) {
throw new ModelNotFoundException("Could not find model with the given model id", e);
} catch (Exception e) {
throw new FatalModelRepositoryException("Something went wrong accessing the repository", e);
}
}
