Examples with ObjectLoader org.eclipse.jgit.lib.ObjectLoader used on opensource projects

Example 36 with ObjectLoader

use of org.eclipse.jgit.lib.ObjectLoader in project gitblit by gitblit.

the class CompressionUtils method zip.

/**
 * Zips the contents of the tree at the (optionally) specified revision and
 * the (optionally) specified basepath to the supplied outputstream.
 *
 * @param repository
 * @param basePath
 *            if unspecified, entire repository is assumed.
 * @param objectId
 *            if unspecified, HEAD is assumed.
 * @param os
 * @return true if repository was successfully zipped to supplied output
 *         stream
 */
public static boolean zip(Repository repository, IFilestoreManager filestoreManager, String basePath, String objectId, OutputStream os) {
    RevCommit commit = JGitUtils.getCommit(repository, objectId);
    if (commit == null) {
        return false;
    }
    boolean success = false;
    RevWalk rw = new RevWalk(repository);
    TreeWalk tw = new TreeWalk(repository);
    try {
        tw.reset();
        tw.addTree(commit.getTree());
        ZipArchiveOutputStream zos = new ZipArchiveOutputStream(os);
        zos.setComment("Generated by Gitblit");
        if (!StringUtils.isEmpty(basePath)) {
            PathFilter f = PathFilter.create(basePath);
            tw.setFilter(f);
        }
        tw.setRecursive(true);
        MutableObjectId id = new MutableObjectId();
        ObjectReader reader = tw.getObjectReader();
        long modified = commit.getAuthorIdent().getWhen().getTime();
        while (tw.next()) {
            FileMode mode = tw.getFileMode(0);
            if (mode == FileMode.GITLINK || mode == FileMode.TREE) {
                continue;
            }
            tw.getObjectId(id, 0);
            ObjectLoader loader = repository.open(id);
            ZipArchiveEntry entry = new ZipArchiveEntry(tw.getPathString());
            FilestoreModel filestoreItem = null;
            if (JGitUtils.isPossibleFilestoreItem(loader.getSize())) {
                filestoreItem = JGitUtils.getFilestoreItem(tw.getObjectReader().open(id));
            }
            final long size = (filestoreItem == null) ? loader.getSize() : filestoreItem.getSize();
            entry.setSize(size);
            entry.setComment(commit.getName());
            entry.setUnixMode(mode.getBits());
            entry.setTime(modified);
            zos.putArchiveEntry(entry);
            if (filestoreItem == null) {
                // Copy repository stored file
                loader.copyTo(zos);
            } else {
                // Copy filestore file
                try (FileInputStream streamIn = new FileInputStream(filestoreManager.getStoragePath(filestoreItem.oid))) {
                    IOUtils.copyLarge(streamIn, zos);
                } catch (Throwable e) {
                    LOGGER.error(MessageFormat.format("Failed to archive filestore item {0}", filestoreItem.oid), e);
                    // Handle as per other errors
                    throw e;
                }
            }
            zos.closeArchiveEntry();
        }
        zos.finish();
        success = true;
    } catch (IOException e) {
        error(e, repository, "{0} failed to zip files from commit {1}", commit.getName());
    } finally {
        tw.close();
        rw.dispose();
    }
    return success;
}

Example 37 with ObjectLoader

use of org.eclipse.jgit.lib.ObjectLoader in project gerrit by GerritCodeReview.

the class CreateProjectIT method readProjectConfig.

private Optional<String> readProjectConfig(String projectName) throws Exception {
    try (Repository repo = repoManager.openRepository(Project.nameKey(projectName));
        TestRepository<Repository> tr = new TestRepository<>(repo)) {
        RevWalk rw = tr.getRevWalk();
        Ref ref = repo.exactRef(RefNames.REFS_CONFIG);
        if (ref == null) {
            return Optional.empty();
        }
        ObjectLoader obj = rw.getObjectReader().open(tr.get(rw.parseTree(ref.getObjectId()), PROJECT_CONFIG), Constants.OBJ_BLOB);
        return Optional.of(new String(obj.getCachedBytes(Integer.MAX_VALUE), UTF_8));
    }
}