Examples of org.eclipse.jgit.util.io.SafeBufferedOutputStream

org.eclipse.jgit.util.io.SafeBufferedOutputStream
A BufferedOutputStream that throws an error if the final flush fails on close.
Java's BufferedOutputStream swallows errors that occur when the output stream tries to write the final bytes to the output during close. This may result in corrupted files without notice.

    final Block last = blocks.remove(blocks.size() - 1);
    for (final Block b : blocks)
      overflow.write(b.buffer, 0, b.count);
    blocks = null;


    overflow = new SafeBufferedOutputStream(overflow, Block.SZ);
    overflow.write(last.buffer, 0, last.count);
  }

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        final ObjectId name = pw.computeName();
        OutputStream out;


        pack = nameFor(odb, name, ".pack");
        out = new SafeBufferedOutputStream(new FileOutputStream(pack));
        try {
          pw.writePack(m, m, out);
        } finally {
          out.close();
        }
        pack.setReadOnly();


        idx = nameFor(odb, name, ".idx");
        out = new SafeBufferedOutputStream(new FileOutputStream(idx));
        try {
          pw.writeIndex(out);
        } finally {
          out.close();
        }

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    String packName = "pack-" + id.name();
    File packDir = new File(db.getObjectDatabase().getDirectory(), "pack");
    File idxFile = new File(packDir, packName + ".idx");
    File packFile = new File(packDir, packName + ".pack");
    FileUtils.mkdir(packDir, true);
    OutputStream dst = new SafeBufferedOutputStream(new FileOutputStream(
        idxFile));
    try {
      PackIndexWriter writer = new PackIndexWriterV2(dst);
      writer.write(objects, new byte[OBJECT_ID_LENGTH]);
    } finally {
      dst.close();
    }
    new FileOutputStream(packFile).close();


    assertEquals(id.abbreviate(20), reader.abbreviate(id, 2));

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    git.add().addFilepattern(".").call();
    git.commit().setMessage("Initial commit").call();
    write(new File(folder, "folder.txt"), "folder change");


    ByteArrayOutputStream os = new ByteArrayOutputStream();
    DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os));
    dfmt.setRepository(db);
    dfmt.setPathFilter(PathFilter.create("folder"));
    DirCacheIterator oldTree = new DirCacheIterator(db.readDirCache());
    FileTreeIterator newTree = new FileTreeIterator(db);
    dfmt.format(oldTree, newTree);

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    git.add().addFilepattern(".").call();
    RevCommit commit = git.commit().setMessage("Initial commit").call();
    write(new File(folder, "folder.txt"), "folder change");


    ByteArrayOutputStream os = new ByteArrayOutputStream();
    DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os));
    dfmt.setRepository(db);
    dfmt.setPathFilter(PathFilter.create("folder"));
    dfmt.format(null, commit.getTree().getId());
    dfmt.flush();

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    git.add().addFilepattern(".").call();
    RevCommit commit = git.commit().setMessage("Initial commit").call();
    write(new File(folder, "folder.txt"), "folder change");


    ByteArrayOutputStream os = new ByteArrayOutputStream();
    DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os));
    dfmt.setRepository(db);
    dfmt.setPathFilter(PathFilter.create("folder"));
    dfmt.format(commit.getTree().getId(), null);
    dfmt.flush();

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  }


  @Test
  public void testDiffNullToNull() throws Exception {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    DiffFormatter dfmt = new DiffFormatter(new SafeBufferedOutputStream(os));
    dfmt.setRepository(db);
    dfmt.format((AnyObjectId) null, null);
    dfmt.flush();


    String actual = os.toString("UTF-8");

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      try {
        InputStream sIn = sock.getInputStream();
        OutputStream sOut = sock.getOutputStream();


        sIn = new BufferedInputStream(sIn);
        sOut = new SafeBufferedOutputStream(sOut);


        init(sIn, sOut);
        service("git-upload-pack", pckOut); //$NON-NLS-1$
      } catch (IOException err) {
        close();

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      try {
        InputStream sIn = sock.getInputStream();
        OutputStream sOut = sock.getOutputStream();


        sIn = new BufferedInputStream(sIn);
        sOut = new SafeBufferedOutputStream(sOut);


        init(sIn, sOut);
        service("git-receive-pack", pckOut); //$NON-NLS-1$
      } catch (IOException err) {
        close();

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   */
  private void writeHeadsFile(List<ObjectId> heads, String filename)
      throws FileNotFoundException, IOException {
    File headsFile = new File(getDirectory(), filename);
    if (heads != null) {
      BufferedOutputStream bos = new SafeBufferedOutputStream(
          new FileOutputStream(headsFile));
      try {
        for (ObjectId id : heads) {
          id.copyTo(bos);
          bos.write('\n');
        }
      } finally {
        bos.close();
      }
    } else {
      FileUtils.delete(headsFile, FileUtils.SKIP_MISSING);
    }
  }

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