private static void addElement(
List<String> lines, Patch patch, Map<String, RevFeatureType> featureTypes)
throws IOException {
String[] headerTokens = lines.get(0).split("\t");
if (headerTokens.length == 4 || headerTokens.length == 3) { // feature or feature type
// modified // modification
if (lines.size() == 1) { // feature type
FeatureTypeDiff diff =
new FeatureTypeDiff(
headerTokens[0],
ObjectId.valueOf(headerTokens[1]),
ObjectId.valueOf(headerTokens[2]));
patch.addAlteredTree(diff);
} else { // feature
String element = Joiner.on("\n").join(lines.subList(1, lines.size()));
ByteArrayInputStream stream;
stream = new ByteArrayInputStream(element.getBytes(Charsets.UTF_8));
String operation = headerTokens[0].trim();
if (operation.equals("M")) {
String fullPath = headerTokens[1].trim();
String oldMetadataId = headerTokens[2].trim();
String newMetadataId = headerTokens[3].trim();
RevFeatureType newRevFeatureType = featureTypes.get(newMetadataId);
RevFeatureType oldRevFeatureType = featureTypes.get(oldMetadataId);
Map<PropertyDescriptor, AttributeDiff> map = Maps.newHashMap();
for (int i = 1; i < lines.size(); i++) {
addDifference(lines.get(i), map, oldRevFeatureType, newRevFeatureType);
}
FeatureDiff featureDiff =
new FeatureDiff(fullPath, map, oldRevFeatureType, newRevFeatureType);
patch.addModifiedFeature(featureDiff);
} else if (operation.equals("A") || operation.equals("R")) {
String fullPath = headerTokens[1].trim();
String featureTypeId = headerTokens[2].trim();
RevFeatureType revFeatureType;
revFeatureType = featureTypes.get(featureTypeId);
FeatureBuilder featureBuilder = new FeatureBuilder(revFeatureType);
RevFeature revFeature = (RevFeature) serializer.read(null, stream);
Feature feature = featureBuilder.build(NodeRef.nodeFromPath(fullPath), revFeature);
if (operation.equals("R")) {
patch.addRemovedFeature(fullPath, feature, revFeatureType);
} else {
patch.addAddedFeature(fullPath, feature, revFeatureType);
}
} else {
throw new IllegalArgumentException("Wrong patch content: " + lines.get(0));
}
}
} else if (headerTokens.length == 1) { // feature type definition
String element = Joiner.on("\n").join(lines);
ByteArrayInputStream stream = new ByteArrayInputStream(element.getBytes(Charsets.UTF_8));
String[] tokens = lines.get(1).split("\t");
RevFeatureType featureType = (RevFeatureType) serializer.read(null, stream);
featureTypes.put(featureType.getId().toString(), featureType);
} else {
throw new IllegalArgumentException("Wrong patch content: " + lines.get(0));
}
}
@Override
public void write(Writer w) throws IOException {
Form options = getRequest().getResourceRef().getQueryAsForm();
ObjectId oid = ObjectId.valueOf(options.getFirstValue("oid", ObjectId.NULL.toString()));
Request request = getRequest();
Optional<GeoGIG> ggit = getGeogig(request);
Preconditions.checkState(ggit.isPresent());
GeoGIG geogig = ggit.get();
Repository repository = geogig.getRepository();
boolean blobExists = repository.blobExists(oid);
if (blobExists) {
w.write("1");
} else {
w.write("0");
}
w.flush();
}
public void post(Representation entity) {
InputStream input = null;
try {
input = getRequest().getEntity().getStream();
final GeoGIG ggit = getGeogig(getRequest()).get();
final Reader body = new InputStreamReader(input);
final JsonParser parser = new JsonParser();
final JsonElement conflictJson = parser.parse(body);
if (conflictJson.isJsonObject()) {
final JsonObject conflict = conflictJson.getAsJsonObject();
String featureId = null;
RevFeature ourFeature = null;
RevFeatureType ourFeatureType = null;
RevFeature theirFeature = null;
RevFeatureType theirFeatureType = null;
JsonObject merges = null;
if (conflict.has("path") && conflict.get("path").isJsonPrimitive()) {
featureId = conflict.get("path").getAsJsonPrimitive().getAsString();
}
Preconditions.checkState(featureId != null);
if (conflict.has("ours") && conflict.get("ours").isJsonPrimitive()) {
String ourCommit = conflict.get("ours").getAsJsonPrimitive().getAsString();
Optional<NodeRef> ourNode = parseID(ObjectId.valueOf(ourCommit), featureId, ggit);
if (ourNode.isPresent()) {
Optional<RevObject> object =
ggit.command(RevObjectParse.class).setObjectId(ourNode.get().objectId()).call();
Preconditions.checkState(object.isPresent() && object.get() instanceof RevFeature);
ourFeature = (RevFeature) object.get();
object =
ggit.command(RevObjectParse.class)
.setObjectId(ourNode.get().getMetadataId())
.call();
Preconditions.checkState(object.isPresent() && object.get() instanceof RevFeatureType);
ourFeatureType = (RevFeatureType) object.get();
}
}
if (conflict.has("theirs") && conflict.get("theirs").isJsonPrimitive()) {
String theirCommit = conflict.get("theirs").getAsJsonPrimitive().getAsString();
Optional<NodeRef> theirNode = parseID(ObjectId.valueOf(theirCommit), featureId, ggit);
if (theirNode.isPresent()) {
Optional<RevObject> object =
ggit.command(RevObjectParse.class).setObjectId(theirNode.get().objectId()).call();
Preconditions.checkState(object.isPresent() && object.get() instanceof RevFeature);
theirFeature = (RevFeature) object.get();
object =
ggit.command(RevObjectParse.class)
.setObjectId(theirNode.get().getMetadataId())
.call();
Preconditions.checkState(object.isPresent() && object.get() instanceof RevFeatureType);
theirFeatureType = (RevFeatureType) object.get();
}
}
if (conflict.has("merges") && conflict.get("merges").isJsonObject()) {
merges = conflict.get("merges").getAsJsonObject();
}
Preconditions.checkState(merges != null);
Preconditions.checkState(ourFeatureType != null || theirFeatureType != null);
SimpleFeatureBuilder featureBuilder =
new SimpleFeatureBuilder(
(SimpleFeatureType)
(ourFeatureType != null ? ourFeatureType.type() : theirFeatureType.type()));
ImmutableList<PropertyDescriptor> descriptors =
(ourFeatureType == null ? theirFeatureType : ourFeatureType).sortedDescriptors();
for (Entry<String, JsonElement> entry : merges.entrySet()) {
int descriptorIndex = getDescriptorIndex(entry.getKey(), descriptors);
if (descriptorIndex != -1 && entry.getValue().isJsonObject()) {
PropertyDescriptor descriptor = descriptors.get(descriptorIndex);
JsonObject attributeObject = entry.getValue().getAsJsonObject();
if (attributeObject.has("ours")
&& attributeObject.get("ours").isJsonPrimitive()
&& attributeObject.get("ours").getAsBoolean()) {
featureBuilder.set(
descriptor.getName(),
ourFeature == null ? null : ourFeature.getValues().get(descriptorIndex).orNull());
} else if (attributeObject.has("theirs")
&& attributeObject.get("theirs").isJsonPrimitive()
&& attributeObject.get("theirs").getAsBoolean()) {
featureBuilder.set(
descriptor.getName(),
theirFeature == null
? null
: theirFeature.getValues().get(descriptorIndex).orNull());
} else if (attributeObject.has("value")
&& attributeObject.get("value").isJsonPrimitive()) {
JsonPrimitive primitive = attributeObject.get("value").getAsJsonPrimitive();
if (primitive.isString()) {
try {
Object object =
valueFromString(
FieldType.forBinding(descriptor.getType().getBinding()),
primitive.getAsString());
featureBuilder.set(descriptor.getName(), object);
} catch (Exception e) {
throw new Exception(
"Unable to convert attribute ("
+ entry.getKey()
+ ") to required type: "
+ descriptor.getType().getBinding().toString());
}
} else if (primitive.isNumber()) {
try {
Object value =
valueFromNumber(
FieldType.forBinding(descriptor.getType().getBinding()),
primitive.getAsNumber());
featureBuilder.set(descriptor.getName(), value);
} catch (Exception e) {
throw new Exception(
"Unable to convert attribute ("
+ entry.getKey()
+ ") to required type: "
+ descriptor.getType().getBinding().toString());
}
} else if (primitive.isBoolean()) {
try {
Object value =
valueFromBoolean(
FieldType.forBinding(descriptor.getType().getBinding()),
primitive.getAsBoolean());
featureBuilder.set(descriptor.getName(), value);
} catch (Exception e) {
throw new Exception(
"Unable to convert attribute ("
+ entry.getKey()
+ ") to required type: "
+ descriptor.getType().getBinding().toString());
}
} else if (primitive.isJsonNull()) {
featureBuilder.set(descriptor.getName(), null);
} else {
throw new Exception(
"Unsupported JSON type for attribute value (" + entry.getKey() + ")");
}
}
}
}
SimpleFeature feature = featureBuilder.buildFeature(NodeRef.nodeFromPath(featureId));
RevFeature revFeature = RevFeatureBuilder.build(feature);
ggit.getRepository().stagingDatabase().put(revFeature);
getResponse()
.setEntity(
new StringRepresentation(revFeature.getId().toString(), MediaType.TEXT_PLAIN));
}
} catch (Exception e) {
throw new RestletException(e.getMessage(), Status.SERVER_ERROR_INTERNAL, e);
} finally {
if (input != null) Closeables.closeQuietly(input);
}
}
