List of usage examples for org.apache.wicket.util.io ByteArrayOutputStream toString
@Override
public String toString()
From source file:com.gitblit.utils.CompressionUtils.java
License:Apache License
/** * Compresses/archives the contents of the tree at the (optionally) * specified revision and the (optionally) specified basepath to the * supplied outputstream./*w ww . j a v a 2 s .c om*/ * * @param algorithm * compression algorithm for tar (optional) * @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 */ private static boolean tar(String algorithm, Repository repository, String basePath, String objectId, OutputStream os) { RevCommit commit = JGitUtils.getCommit(repository, objectId); if (commit == null) { return false; } OutputStream cos = os; if (!StringUtils.isEmpty(algorithm)) { try { cos = new CompressorStreamFactory().createCompressorOutputStream(algorithm, os); } catch (CompressorException e1) { error(e1, repository, "{0} failed to open {1} stream", algorithm); } } boolean success = false; RevWalk rw = new RevWalk(repository); TreeWalk tw = new TreeWalk(repository); try { tw.reset(); tw.addTree(commit.getTree()); TarArchiveOutputStream tos = new TarArchiveOutputStream(cos); tos.setAddPaxHeadersForNonAsciiNames(true); tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX); if (!StringUtils.isEmpty(basePath)) { PathFilter f = PathFilter.create(basePath); tw.setFilter(f); } tw.setRecursive(true); MutableObjectId id = new MutableObjectId(); 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); if (FileMode.SYMLINK == mode) { TarArchiveEntry entry = new TarArchiveEntry(tw.getPathString(), TarArchiveEntry.LF_SYMLINK); ByteArrayOutputStream bos = new ByteArrayOutputStream(); loader.copyTo(bos); entry.setLinkName(bos.toString()); entry.setModTime(modified); tos.putArchiveEntry(entry); tos.closeArchiveEntry(); } else { TarArchiveEntry entry = new TarArchiveEntry(tw.getPathString()); entry.setMode(mode.getBits()); entry.setModTime(modified); entry.setSize(loader.getSize()); tos.putArchiveEntry(entry); loader.copyTo(tos); tos.closeArchiveEntry(); } } tos.finish(); tos.close(); cos.close(); success = true; } catch (IOException e) { error(e, repository, "{0} failed to {1} stream files from commit {2}", algorithm, commit.getName()); } finally { tw.release(); rw.dispose(); } return success; }