org.eclipse.jgit.util.io.NullOutputStream Java Examples

The following examples show how to use org.eclipse.jgit.util.io.NullOutputStream. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: GitUtils.java    From onedev with MIT License 5 votes vote down vote up 
public static List<DiffEntry> diff(Repository repository, AnyObjectId oldRevId, AnyObjectId newRevId) {
	List<DiffEntry> diffs = new ArrayList<>();
	try (	DiffFormatter diffFormatter = new DiffFormatter(NullOutputStream.INSTANCE);
			RevWalk revWalk = new RevWalk(repository);
			ObjectReader reader = repository.newObjectReader();) {
    	diffFormatter.setRepository(repository);
    	diffFormatter.setDetectRenames(true);
    	diffFormatter.setDiffComparator(RawTextComparator.DEFAULT);
    	
    	CanonicalTreeParser oldTreeParser = new CanonicalTreeParser();
    	if (!oldRevId.equals(ObjectId.zeroId()))
    		oldTreeParser.reset(reader, revWalk.parseCommit(oldRevId).getTree());
    	
    	CanonicalTreeParser newTreeParser = new CanonicalTreeParser();
    	if (!newRevId.equals(ObjectId.zeroId()))
    		newTreeParser.reset(reader, revWalk.parseCommit(newRevId).getTree());
    	
    	for (DiffEntry entry: diffFormatter.scan(oldTreeParser, newTreeParser)) {
    		if (!Objects.equal(entry.getOldPath(), entry.getNewPath())
    				|| !Objects.equal(entry.getOldMode(), entry.getNewMode())
    				|| entry.getOldId()==null || !entry.getOldId().isComplete()
    				|| entry.getNewId()== null || !entry.getNewId().isComplete()
    				|| !entry.getOldId().equals(entry.getNewId())) {
    			diffs.add(entry);
    		}
    	}
	} catch (IOException e) {
		throw new RuntimeException(e);
	}			
	return diffs;
}
Example #2
Source File: GitIndexEntry.java    From git-code-format-maven-plugin with MIT License 5 votes vote down vote up 
private LineRanges computeLineRanges(DiffEntry diffEntry) {
  DiffFormatter diffFormatter = new DiffFormatter(NullOutputStream.INSTANCE);
  diffFormatter.setRepository(repository);

  try {
    FileHeader fileHeader = diffFormatter.toFileHeader(diffEntry);
    return fileHeader.getHunks().stream()
        .map(HunkHeader.class::cast)
        .map(this::computeLineRanges)
        .reduce(LineRanges::concat)
        .orElse(LineRanges.all());
  } catch (IOException e) {
    throw new MavenGitCodeFormatException(e);
  }
}
Example #3
Source File: LocalFacadeBuilder.java    From sputnik with Apache License 2.0 5 votes vote down vote up 
public LocalFacade build() {
    try (Repository repository = new FileRepositoryBuilder().readEnvironment().findGitDir().build()) {
        try (DiffFormatter diffFormatter = new DiffFormatter(NullOutputStream.INSTANCE)) {
            diffFormatter.setRepository(repository);
            return new LocalFacade(repository, diffFormatter, new LocalFacadeOutput());
        }
    } catch (IOException e) {
        throw new RuntimeException("Error getting git repository", e);
    }
}
Example #4
Source File: GitCommit.java    From compiler with Apache License 2.0 4 votes vote down vote up 
private void updateChangedFiles(final RevCommit parent, final int parentIndex, final RevCommit child) {
	final DiffFormatter df = new DiffFormatter(NullOutputStream.INSTANCE);
	df.setRepository(repository);
	df.setDiffComparator(RawTextComparator.DEFAULT);
	df.setDetectRenames(true);

	try {
		final AbstractTreeIterator parentIter = new CanonicalTreeParser(null, repository.newObjectReader(), parent.getTree());
		final AbstractTreeIterator childIter = new CanonicalTreeParser(null, repository.newObjectReader(), child.getTree());
		List<DiffEntry> diffs = df.scan(parentIter, childIter);
		for (final DiffEntry diff : diffs) {
			if (diff.getChangeType() == ChangeType.MODIFY) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.MODIFIED);
				}
			// RENAMED file may have the same/different object id(s) for old and new
			} else if (diff.getChangeType() == ChangeType.RENAME) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.RENAMED);
				}
			} else if (diff.getChangeType() == ChangeType.COPY) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.COPIED);
				}
			// ADDED file should not have old path and its old object id is 0's
			} else if (diff.getChangeType() == ChangeType.ADD) {
				if (diff.getNewMode().getObjectType() == Constants.OBJ_BLOB) {
					updateChangedFiles(parent, child, diff, ChangeKind.ADDED);
				}
			// DELETED file's new object id is 0's and doesn't have new path
			} else if (diff.getChangeType() == ChangeType.DELETE) {
				if (diff.getOldMode().getObjectType() == Constants.OBJ_BLOB) {
					String oldPath = diff.getOldPath();
					String oldObjectId = diff.getOldId().toObjectId().getName();
					ChangedFile.Builder cfb = getChangedFile(oldPath, ChangeKind.DELETED);
					filePathGitObjectIds.put(oldPath, diff.getNewId().toObjectId());
				}
			}
		}
	} catch (final IOException e) {
		if (debug)
			System.err.println("Git Error getting commit diffs: " + e.getMessage());
	}
	df.close();
}