Example usage for org.eclipse.jgit.patch FileHeader getBuffer

Introduction

In this page you can find the example usage for org.eclipse.jgit.patch FileHeader getBuffer.

Prototype

public byte[] getBuffer() 

Source Link

Document

Get the byte array holding this file's patch script.

Usage

From source file:com.google.gerrit.server.patch.PatchListEntry.java

License:Apache License

private static byte[] compact(final FileHeader h) {
    final int end = end(h);
    if (h.getStartOffset() == 0 && end == h.getBuffer().length) {
        return h.getBuffer();
    }// w  w  w  .  java 2 s .c om

    final byte[] buf = new byte[end - h.getStartOffset()];
    System.arraycopy(h.getBuffer(), h.getStartOffset(), buf, 0, buf.length);
    return buf;
}

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From source file:com.google.gerrit.server.patch.PatchListEntry.java

License:Apache License

private static PatchType toPatchType(final FileHeader hdr) {
    PatchType pt;/*from  w ww . j a v a 2s  .  co  m*/

    switch (hdr.getPatchType()) {
    case UNIFIED:
        pt = Patch.PatchType.UNIFIED;
        break;
    case GIT_BINARY:
    case BINARY:
        pt = Patch.PatchType.BINARY;
        break;
    default:
        throw new IllegalArgumentException("Unsupported type " + hdr.getPatchType());
    }

    if (pt != PatchType.BINARY) {
        final byte[] buf = hdr.getBuffer();
        for (int ptr = hdr.getStartOffset(); ptr < hdr.getEndOffset(); ptr++) {
            if (buf[ptr] == '\0') {
                // Its really binary, but Git couldn't see the nul early enough
                // to realize its binary, and instead produced the diff.
                //
                // Force it to be a binary; it really should have been that.
                //
                pt = PatchType.BINARY;
                break;
            }
        }
    }

    return pt;
}

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From source file:com.google.gitiles.HtmlDiffFormatter.java

License:Open Source License

@Override
public void format(FileHeader hdr, RawText a, RawText b) throws IOException {
    int start = hdr.getStartOffset();
    int end = hdr.getEndOffset();
    if (!hdr.getHunks().isEmpty()) {
        end = hdr.getHunks().get(0).getStartOffset();
    }/*from w  w  w .  j  a  v a  2 s.co  m*/
    renderHeader(RawParseUtils.decode(hdr.getBuffer(), start, end));

    if (hdr.getPatchType() == PatchType.UNIFIED) {
        getOutputStream().write(DIFF_BEGIN);
        format(hdr.toEditList(), a, b);
        getOutputStream().write(DIFF_END);
    }
}

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From source file:org.oneandone.gitter.gitio.GitDirectory.java

License:Apache License

private int diffSize(String newCommit) throws IOException {
    int size = 0;
    try {//from   www . j a v a2s .co m
        ObjectReader reader = repository.newObjectReader();
        CanonicalTreeParser oldTreeIter = new CanonicalTreeParser();
        ObjectId oldTree = repository.resolve(newCommit + "~1^{tree}"); // equals newCommit.getTree()
        // TODO the first commit has no precedessor .. we have no diff :-(
        if (oldTree == null) {
            log.error("No precedessor object for " + newCommit
                    + " returning default zero (which is not correct)");
            return 0;
        }
        Objects.requireNonNull(oldTree, "oldTree is null for " + newCommit);
        oldTreeIter.reset(reader, oldTree);
        CanonicalTreeParser newTreeIter = new CanonicalTreeParser();
        ObjectId newTree = repository.resolve(newCommit + "^{tree}"); // equals oldCommit.getTree()
        Objects.requireNonNull(newTree, "newTree is null for " + newCommit);
        newTreeIter.reset(reader, newTree);

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        DiffFormatter df = new DiffFormatter(baos);
        df.setRepository(repository);
        List<DiffEntry> entries = df.scan(oldTreeIter, newTreeIter);

        for (DiffEntry entry : entries) {
            FileHeader fileHeader = df.toFileHeader(entry);

            log.debug("Fileheader for {} -> {}", fileHeader.getPath(DiffEntry.Side.OLD),
                    fileHeader.getPath(DiffEntry.Side.NEW));

            log.debug(" length in bytes is {}", fileHeader.getBuffer().length);

            size += fileHeader.getBuffer().length;

            size += fileHeader.getBuffer().length;
            baos.reset();
        }
        //System.out.println("baos"+baos.toString());
    } catch (RevisionSyntaxException | IncorrectObjectTypeException ex) {
        throw new IOException(ex);
    }
    return size;
}

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