Examples with UnionInputStream org.eclipse.jgit.util.io.UnionInputStream used on opensource projects

Example 1 with UnionInputStream

use of org.eclipse.jgit.util.io.UnionInputStream in project gerrit by GerritCodeReview.

the class ReviewNoteMerger method merge.

@Override
public Note merge(Note base, Note ours, Note theirs, ObjectReader reader, ObjectInserter inserter) throws IOException {
    if (ours == null) {
        return theirs;
    }
    if (theirs == null) {
        return ours;
    }
    if (ours.getData().equals(theirs.getData())) {
        return ours;
    }
    ObjectLoader lo = reader.open(ours.getData());
    byte[] sep = new byte[] { '\n' };
    ObjectLoader lt = reader.open(theirs.getData());
    try (ObjectStream os = lo.openStream();
        ByteArrayInputStream b = new ByteArrayInputStream(sep);
        ObjectStream ts = lt.openStream();
        UnionInputStream union = new UnionInputStream(os, b, ts)) {
        ObjectId noteData = inserter.insert(Constants.OBJ_BLOB, lo.getSize() + sep.length + lt.getSize(), union);
        return new Note(ours, noteData);
    }
}