protected Node parseNodeLine(String line) {
List<String> tokens = Lists.newArrayList(Splitter.on('\t').split(line));
Preconditions.checkArgument(tokens.size() == 6, "Wrong tree element definition: %s", line);
TYPE type = TYPE.valueOf(tokens.get(1));
String name = tokens.get(2);
ObjectId id = ObjectId.valueOf(tokens.get(3));
ObjectId metadataId = ObjectId.valueOf(tokens.get(4));
Envelope bbox = parseBBox(tokens.get(5));
org.geogit.api.Node ref = org.geogit.api.Node.create(name, id, metadataId, type, bbox);
return ref;
}
@Override
protected RevTag read(ObjectId id, BufferedReader reader, TYPE type) throws IOException {
Preconditions.checkArgument(TYPE.TAG.equals(type), "Wrong type: %s", type.name());
String name = parseLine(requireLine(reader), "name");
String message = parseLine(requireLine(reader), "message");
String commitId = parseLine(requireLine(reader), "commitid");
RevPerson tagger = parsePerson(requireLine(reader));
RevTag tag = new RevTagImpl(id, name, ObjectId.valueOf(commitId), message, tagger);
return tag;
}
@Override
protected RevTree read(ObjectId id, BufferedReader reader, TYPE type) throws IOException {
Preconditions.checkArgument(TYPE.TREE.equals(type), "Wrong type: %s", type.name());
Builder<Node> features = ImmutableList.builder();
Builder<Node> trees = ImmutableList.builder();
TreeMap<Integer, Bucket> subtrees = Maps.newTreeMap();
long size = Long.parseLong(parseLine(requireLine(reader), "size"));
int numTrees = Integer.parseInt(parseLine(requireLine(reader), "numtrees"));
String line;
while ((line = reader.readLine()) != null) {
Preconditions.checkArgument(!line.isEmpty(), "Empty tree element definition");
ArrayList<String> tokens = Lists.newArrayList(Splitter.on('\t').split(line));
String nodeType = tokens.get(0);
if (nodeType.equals(TextWriter.TreeNode.REF.name())) {
Node entryRef = parseNodeLine(line);
if (entryRef.getType().equals(TYPE.TREE)) {
trees.add(entryRef);
} else {
features.add(entryRef);
}
} else if (nodeType.equals(TextWriter.TreeNode.BUCKET.name())) {
Preconditions.checkArgument(tokens.size() == 4, "Wrong bucket definition: %s", line);
Integer idx = Integer.parseInt(tokens.get(1));
ObjectId bucketId = ObjectId.valueOf(tokens.get(2));
Envelope bounds = parseBBox(tokens.get(3));
Bucket bucket = Bucket.create(bucketId, bounds);
subtrees.put(idx, bucket);
} else {
throw new IllegalArgumentException("Wrong tree element definition: " + line);
}
}
RevTree tree;
if (subtrees.isEmpty()) {
tree = RevTreeImpl.createLeafTree(id, size, features.build(), trees.build());
} else {
tree = RevTreeImpl.createNodeTree(id, size, numTrees, subtrees);
}
return tree;
}
@Override
protected RevCommit read(ObjectId id, BufferedReader reader, TYPE type) throws IOException {
Preconditions.checkArgument(TYPE.COMMIT.equals(type), "Wrong type: %s", type.name());
String tree = parseLine(requireLine(reader), "tree");
List<String> parents =
Lists.newArrayList(
Splitter.on(' ')
.omitEmptyStrings()
.split(parseLine(requireLine(reader), "parents")));
RevPerson author = parsePerson(requireLine(reader), "author");
RevPerson committer = parsePerson(requireLine(reader), "committer");
String message = parseMessage(reader);
CommitBuilder builder = new CommitBuilder();
builder.setAuthor(author.getName().orNull());
builder.setAuthorEmail(author.getEmail().orNull());
builder.setAuthorTimestamp(author.getTimestamp());
builder.setAuthorTimeZoneOffset(author.getTimeZoneOffset());
builder.setCommitter(committer.getName().orNull());
builder.setCommitterEmail(committer.getEmail().orNull());
builder.setCommitterTimestamp(committer.getTimestamp());
builder.setCommitterTimeZoneOffset(committer.getTimeZoneOffset());
builder.setMessage(message);
List<ObjectId> parentIds =
Lists.newArrayList(
Iterators.transform(
parents.iterator(),
new Function<String, ObjectId>() {
@Override
public ObjectId apply(String input) {
ObjectId objectId = ObjectId.valueOf(input);
return objectId;
}
}));
builder.setParentIds(parentIds);
builder.setTreeId(ObjectId.valueOf(tree));
RevCommit commit = builder.build();
return commit;
}
@Override
public Resource findTarget(Request request, Response response) {
if (request.getAttributes().containsKey("id")) {
final Optional<GeoGIT> ggit = getGeogit(request);
Preconditions.checkState(ggit.isPresent());
final String id = (String) request.getAttributes().get("id");
final ObjectId oid = ObjectId.valueOf(id);
GeoGIT geogit = ggit.get();
Repository repository = geogit.getRepository();
boolean blobExists = repository.blobExists(oid);
if (blobExists) {
ObjectResource objectResource = new ObjectResource(oid, geogit);
objectResource.init(getContext(), request, response);
return objectResource;
}
}
return super.findTarget(request, response);
}
