/**
* Pop the next most recent object.
*
* @return next most recent object; null if traversal is over.
* @throws MissingObjectException one or or more of the next objects are not available from the
* object database, but were thought to be candidates for traversal. This usually indicates a
* broken link.
* @throws IncorrectObjectTypeException one or or more of the objects in a tree do not match the
* type indicated.
* @throws IOException a pack file or loose object could not be read.
*/
public RevObject nextObject()
throws MissingObjectException, IncorrectObjectTypeException, IOException {
if (last != null) treeWalk = last instanceof RevTree ? enter(last) : treeWalk.next();
while (!treeWalk.eof()) {
final FileMode mode = treeWalk.getEntryFileMode();
switch (mode.getObjectType()) {
case Constants.OBJ_BLOB:
{
treeWalk.getEntryObjectId(idBuffer);
final RevBlob o = lookupBlob(idBuffer);
if ((o.flags & SEEN) != 0) break;
o.flags |= SEEN;
if (shouldSkipObject(o)) break;
last = o;
return o;
}
case Constants.OBJ_TREE:
{
treeWalk.getEntryObjectId(idBuffer);
final RevTree o = lookupTree(idBuffer);
if ((o.flags & SEEN) != 0) break;
o.flags |= SEEN;
if (shouldSkipObject(o)) break;
last = o;
return o;
}
default:
if (FileMode.GITLINK.equals(mode)) break;
treeWalk.getEntryObjectId(idBuffer);
throw new CorruptObjectException(
MessageFormat.format(
JGitText.get().corruptObjectInvalidMode3,
mode,
idBuffer.name(),
treeWalk.getEntryPathString(),
currentTree.name()));
}
treeWalk = treeWalk.next();
}
last = null;
for (; ; ) {
final RevObject o = pendingObjects.next();
if (o == null) return null;
if ((o.flags & SEEN) != 0) continue;
o.flags |= SEEN;
if (shouldSkipObject(o)) continue;
if (o instanceof RevTree) {
currentTree = (RevTree) o;
treeWalk = treeWalk.resetRoot(db, currentTree, curs);
}
return o;
}
}
private CanonicalTreeParser enter(RevObject tree) throws IOException {
CanonicalTreeParser p = treeWalk.createSubtreeIterator0(db, tree, curs);
if (p.eof()) {
// We can't tolerate the subtree being an empty tree, as
// that will break us out early before we visit all names.
// If it is, advance to the parent's next record.
//
return treeWalk.next();
}
return p;
}
private void markTreeUninteresting(final RevTree tree)
throws MissingObjectException, IncorrectObjectTypeException, IOException {
if ((tree.flags & UNINTERESTING) != 0) return;
tree.flags |= UNINTERESTING;
treeWalk = treeWalk.resetRoot(db, tree, curs);
while (!treeWalk.eof()) {
final FileMode mode = treeWalk.getEntryFileMode();
final int sType = mode.getObjectType();
switch (sType) {
case Constants.OBJ_BLOB:
{
treeWalk.getEntryObjectId(idBuffer);
lookupBlob(idBuffer).flags |= UNINTERESTING;
break;
}
case Constants.OBJ_TREE:
{
treeWalk.getEntryObjectId(idBuffer);
final RevTree t = lookupTree(idBuffer);
if ((t.flags & UNINTERESTING) == 0) {
t.flags |= UNINTERESTING;
treeWalk = treeWalk.createSubtreeIterator0(db, t, curs);
continue;
}
break;
}
default:
if (FileMode.GITLINK.equals(mode)) break;
treeWalk.getEntryObjectId(idBuffer);
throw new CorruptObjectException(
MessageFormat.format(
JGitText.get().corruptObjectInvalidMode3,
mode,
idBuffer.name(),
treeWalk.getEntryPathString(),
tree));
}
treeWalk = treeWalk.next();
}
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
handleAuth(req);
resp.setCharacterEncoding("UTF-8");
final PrintWriter out = resp.getWriter();
try {
String pathInfo = req.getPathInfo();
Pattern pattern = Pattern.compile("/([^/]*)(?:/([^/]*)(?:/(.*))?)?");
Matcher matcher = pattern.matcher(pathInfo);
matcher.matches();
String projectName = null;
String refName = null;
String filePath = null;
if (matcher.groupCount() > 0) {
projectName = matcher.group(1);
refName = matcher.group(2);
filePath = matcher.group(3);
if (projectName == null || projectName.equals("")) {
projectName = null;
} else {
projectName = java.net.URLDecoder.decode(projectName, "UTF-8");
}
if (refName == null || refName.equals("")) {
refName = null;
} else {
refName = java.net.URLDecoder.decode(refName, "UTF-8");
}
if (filePath == null || filePath.equals("")) {
filePath = null;
} else {
filePath = java.net.URLDecoder.decode(filePath, "UTF-8");
}
}
if (projectName != null) {
if (filePath == null) filePath = "";
NameKey projName = NameKey.parse(projectName);
ProjectControl control;
try {
control = projControlFactory.controlFor(projName);
if (!control.isVisible()) {
log.debug("Project not visible!");
resp.sendError(
HttpServletResponse.SC_UNAUTHORIZED,
"You need to be logged in to see private projects");
return;
}
} catch (NoSuchProjectException e1) {
}
Repository repo = repoManager.openRepository(projName);
if (refName == null) {
JSONArray contents = new JSONArray();
List<Ref> call;
try {
call = new Git(repo).branchList().call();
Git git = new Git(repo);
for (Ref ref : call) {
JSONObject jsonObject = new JSONObject();
try {
jsonObject.put("name", ref.getName());
jsonObject.put("type", "ref");
jsonObject.put("size", "0");
jsonObject.put("path", "");
jsonObject.put("project", projectName);
jsonObject.put("ref", ref.getName());
lastCommit(git, null, ref.getObjectId(), jsonObject);
} catch (JSONException e) {
}
contents.put(jsonObject);
}
String response = contents.toString();
resp.setContentType("application/json");
resp.setHeader("Cache-Control", "no-cache");
resp.setHeader("ETag", "W/\"" + response.length() + "-" + response.hashCode() + "\"");
log.debug(response);
out.write(response);
} catch (GitAPIException e) {
}
} else {
Ref head = repo.getRef(refName);
if (head == null) {
JSONArray contents = new JSONArray();
String response = contents.toString();
resp.setContentType("application/json");
resp.setHeader("Cache-Control", "no-cache");
resp.setHeader("ETag", "W/\"" + response.length() + "-" + response.hashCode() + "\"");
log.debug(response);
out.write(response);
return;
}
RevWalk walk = new RevWalk(repo);
// add try catch to catch failures
Git git = new Git(repo);
RevCommit commit = walk.parseCommit(head.getObjectId());
RevTree tree = commit.getTree();
TreeWalk treeWalk = new TreeWalk(repo);
treeWalk.addTree(tree);
treeWalk.setRecursive(false);
if (!filePath.equals("")) {
PathFilter pathFilter = PathFilter.create(filePath);
treeWalk.setFilter(pathFilter);
}
if (!treeWalk.next()) {
CanonicalTreeParser canonicalTreeParser =
treeWalk.getTree(0, CanonicalTreeParser.class);
JSONArray contents = new JSONArray();
if (canonicalTreeParser != null) {
while (!canonicalTreeParser.eof()) {
String path = canonicalTreeParser.getEntryPathString();
FileMode mode = canonicalTreeParser.getEntryFileMode();
listEntry(
path,
mode.equals(FileMode.TREE) ? "dir" : "file",
"0",
path,
projectName,
head.getName(),
git,
contents);
canonicalTreeParser.next();
}
}
String response = contents.toString();
resp.setContentType("application/json");
resp.setHeader("Cache-Control", "no-cache");
resp.setHeader("ETag", "\"" + tree.getId().getName() + "\"");
log.debug(response);
out.write(response);
} else {
// if (treeWalk.isSubtree()) {
// treeWalk.enterSubtree();
// }
JSONArray contents = getListEntries(treeWalk, repo, git, head, filePath, projectName);
String response = contents.toString();
resp.setContentType("application/json");
resp.setHeader("Cache-Control", "no-cache");
resp.setHeader("ETag", "\"" + tree.getId().getName() + "\"");
log.debug(response);
out.write(response);
}
walk.release();
treeWalk.release();
}
}
} catch (RepositoryNotFoundException e) {
handleException(resp, e, 400);
} catch (MissingObjectException e) {
// example "Missing unknown 7035305927ca125757ecd8407e608f6dcf0bd8a5"
// usually indicative of being unable to locate a commit from a submodule
log.error(e.getMessage(), e);
String msg =
e.getMessage()
+ ". This exception could have been caused by the use of a git submodule, "
+ "which is currently not supported by the repository browser.";
handleException(resp, new Exception(msg), 501);
} catch (IOException e) {
handleException(resp, e, 500);
} finally {
out.close();
}
}
