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

Introduction

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

Prototype

public FileHeader(byte[] headerLines, EditList edits, PatchType type) 

Source Link

Document

Constructs a new FileHeader

Usage

From source file:MyDiffFormatter.java

License:Eclipse Distribution License

public FormatResult getFormatResult(DiffEntry ent) throws IOException {
    final FormatResult res = new FormatResult();
    ByteArrayOutputStream buf = new ByteArrayOutputStream();
    final EditList editList;
    final FileHeader.PatchType type;

    formatHeader(buf, ent);/*from  ww  w . ja v a2s  . c o  m*/

    if (ent.getOldMode() == GITLINK || ent.getNewMode() == GITLINK) {
        formatOldNewPaths(buf, ent);
        writeGitLinkDiffText(buf, ent);
        editList = new EditList();
        type = PatchType.UNIFIED;

    } else if (ent.getOldId() == null || ent.getNewId() == null) {
        // Content not changed (e.g. only mode, pure rename)
        editList = new EditList();
        type = PatchType.UNIFIED;

    } else {
        assertHaveRepository();

        byte[] aRaw = open(OLD, ent);
        byte[] bRaw = open(NEW, ent);

        if (aRaw == BINARY || bRaw == BINARY //
                || RawText.isBinary(aRaw) || RawText.isBinary(bRaw)) {
            formatOldNewPaths(buf, ent);
            buf.write(encodeASCII("Binary files differ\n")); //$NON-NLS-1$
            editList = new EditList();
            type = PatchType.BINARY;

        } else {
            res.a = new RawText(aRaw);
            res.b = new RawText(bRaw);
            editList = diff(res.a, res.b);
            type = PatchType.UNIFIED;

            switch (ent.getChangeType()) {
            case RENAME:
            case COPY:
                if (!editList.isEmpty())
                    formatOldNewPaths(buf, ent);
                break;

            default:
                formatOldNewPaths(buf, ent);
                break;
            }
        }
    }

    res.header = new FileHeader(buf.toByteArray(), editList, type);
    return res;
}

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

License:Apache License

private PatchListEntry newCommitMessage(final RawTextComparator cmp, final ObjectReader reader,
        final RevCommit aCommit, final RevCommit bCommit) throws IOException {
    StringBuilder hdr = new StringBuilder();

    hdr.append("diff --git");
    if (aCommit != null) {
        hdr.append(" a/").append(Patch.COMMIT_MSG);
    } else {/*  w  ww .j  a va2 s  . c  o m*/
        hdr.append(" ").append(FileHeader.DEV_NULL);
    }
    hdr.append(" b/").append(Patch.COMMIT_MSG);
    hdr.append("\n");

    if (aCommit != null) {
        hdr.append("--- a/").append(Patch.COMMIT_MSG).append("\n");
    } else {
        hdr.append("--- ").append(FileHeader.DEV_NULL).append("\n");
    }
    hdr.append("+++ b/").append(Patch.COMMIT_MSG).append("\n");

    Text aText = aCommit != null ? Text.forCommit(reader, aCommit) : Text.EMPTY;
    Text bText = Text.forCommit(reader, bCommit);

    byte[] rawHdr = hdr.toString().getBytes("UTF-8");
    RawText aRawText = new RawText(aText.getContent());
    RawText bRawText = new RawText(bText.getContent());
    EditList edits = new HistogramDiff().diff(cmp, aRawText, bRawText);
    FileHeader fh = new FileHeader(rawHdr, edits, PatchType.UNIFIED);
    return new PatchListEntry(fh, edits);
}

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