Examples with ObjectReader org.eclipse.jgit.lib.ObjectReader used on opensource projects

Example 71 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project fabric8 by jboss-fuse.

the class GitPatchRepositoryImpl method diff.

@Override
public List<DiffEntry> diff(Git git, RevCommit commit1, RevCommit commit2, boolean showNameAndStatusOnly) throws GitAPIException, IOException {
    ObjectReader reader = git.getRepository().newObjectReader();
    CanonicalTreeParser ctp1 = new CanonicalTreeParser();
    CanonicalTreeParser ctp2 = new CanonicalTreeParser();
    if (commit1.getTree() == null) {
        commit1 = new RevWalk(git.getRepository()).parseCommit(commit1);
    }
    if (commit2.getTree() == null) {
        commit2 = new RevWalk(git.getRepository()).parseCommit(commit2);
    }
    ctp1.reset(reader, commit1.getTree());
    ctp2.reset(reader, commit2.getTree());
    return git.diff().setShowNameAndStatusOnly(showNameAndStatusOnly).setOldTree(ctp1).setNewTree(ctp2).call();
}

Example 72 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project fabric8 by jboss-fuse.

the class GitConflictResolutionIT method reportingDiffs.

@Test
public void reportingDiffs() throws Exception {
    prepareChanges();
    ObjectReader reader = git.getRepository().newObjectReader();
    RevWalk rw = new RevWalk(git.getRepository());
    CanonicalTreeParser ctp1 = new CanonicalTreeParser();
    CanonicalTreeParser ctp2 = new CanonicalTreeParser();
    CanonicalTreeParser ctp3 = new CanonicalTreeParser();
    ctp1.reset(reader, rw.parseCommit(git.getRepository().resolve("master")).getTree());
    ctp2.reset(reader, rw.parseCommit(git.getRepository().resolve("custom")).getTree());
    ctp3.reset(reader, rw.parseCommit(git.getRepository().resolve("patched")).getTree());
    TreeWalk walk = new TreeWalk(reader);
    walk.addTree(ctp1);
    walk.addTree(ctp3);
    walk.setRecursive(true);
    List<DiffEntry> diffs = DiffEntry.scan(walk);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DiffFormatter df = new DiffFormatter(baos);
    df.setDiffAlgorithm(DiffAlgorithm.getAlgorithm(DiffAlgorithm.SupportedAlgorithm.HISTOGRAM));
    df.setDiffComparator(RawTextComparator.DEFAULT);
    df.setRepository(git.getRepository());
    df.format(diffs.get(0));
    // System.out.println(new String(baos.toByteArray()));
    AbbreviatedObjectId id1 = diffs.get(0).getOldId();
    AbbreviatedObjectId id2 = diffs.get(0).getNewId();
    byte[] bytes1 = reader.open(id1.toObjectId()).getBytes();
    byte[] bytes2 = reader.open(id2.toObjectId()).getBytes();
    RawText rt1 = new RawText(bytes1);
    RawText rt2 = new RawText(bytes2);
    EditList edits = DiffAlgorithm.getAlgorithm(DiffAlgorithm.SupportedAlgorithm.HISTOGRAM).diff(RawTextComparator.DEFAULT, rt1, rt2);
    int aCur = 0;
    for (Edit curEdit : edits) {
        boolean prolog = aCur < curEdit.getBeginA();
        if (prolog) {
            System.out.print("<div class=\"edit unchanged\">");
        }
        while (aCur < curEdit.getBeginA()) {
            System.out.println(rt1.getString(aCur++));
        }
        if (prolog) {
            System.out.print("</div>");
        }
        if (curEdit.getType() == Edit.Type.INSERT) {
            System.out.print("<div class=\"edit added\">");
            for (int i = curEdit.getBeginB(); i < curEdit.getEndB(); i++) {
                System.out.println(rt2.getString(i));
            }
            System.out.print("</div>");
        }
        if (curEdit.getType() == Edit.Type.REPLACE) {
            System.out.print("<div class=\"edit changed\"><div class=\"edit removed\">");
            for (int i = curEdit.getBeginA(); i < curEdit.getEndA(); i++) {
                System.out.println(rt1.getString(i));
            }
            System.out.print("</div><div class=\"edit added\">");
            for (int i = curEdit.getBeginB(); i < curEdit.getEndB(); i++) {
                System.out.println(rt2.getString(i));
            }
            aCur = curEdit.getEndA();
            System.out.print("</div></div>");
        }
    }
    boolean prolog = aCur < rt1.size();
    if (prolog) {
        System.out.print("<div class=\"edit unchanged\">");
    }
    while (aCur < rt1.size()) {
        System.out.println(rt1.getString(aCur++));
    }
    if (prolog) {
        System.out.print("</div>");
    }
}

Example 73 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project searchcode-server by boyter.

the class GitService method fetchFileRevision.

/**
 * Given a repository location, revision and file path will retrieve that files contents. N.B. it returns the whole
 * file so you MAY end up running into serious memory issues, and should be aware of this
 */
public String fetchFileRevision(String repoLocation, String revision, String filePath) throws MissingObjectException, IncorrectObjectTypeException, IOException {
    Repository localRepository = new FileRepository(new File(repoLocation));
    ObjectId id = localRepository.resolve(revision);
    ObjectReader reader = localRepository.newObjectReader();
    try {
        RevWalk walk = new RevWalk(reader);
        RevCommit commit = walk.parseCommit(id);
        RevTree tree = commit.getTree();
        TreeWalk treewalk = TreeWalk.forPath(reader, filePath, tree);
        if (treewalk != null) {
            byte[] data = reader.open(treewalk.getObjectId(0)).getBytes();
            return new String(data, "utf-8");
        } else {
            return "";
        }
    } finally {
        reader.close();
    }
}

Example 74 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project jOOQ by jOOQ.

the class GitCommitProvider method read.

private final String read(Repository repository, RevCommit commit, String path) throws IOException {
    try (TreeWalk treeWalk = TreeWalk.forPath(repository, path, commit.getTree())) {
        ObjectId blobId = treeWalk.getObjectId(0);
        try (ObjectReader objectReader = repository.newObjectReader()) {
            ObjectLoader objectLoader = objectReader.open(blobId);
            byte[] bytes = objectLoader.getBytes();
            return new String(bytes, StandardCharsets.UTF_8);
        }
    }
}

Example 75 with ObjectReader

use of org.eclipse.jgit.lib.ObjectReader in project OpenGrok by OpenGrok.

the class GitRepository method determineCurrentVersion.

@Override
public String determineCurrentVersion(CommandTimeoutType cmdType) throws IOException {
    try (org.eclipse.jgit.lib.Repository repository = getJGitRepository(getDirectoryName())) {
        Ref head = repository.exactRef(Constants.HEAD);
        if (head != null && head.getObjectId() != null) {
            try (RevWalk walk = new RevWalk(repository);
                ObjectReader reader = repository.newObjectReader()) {
                RevCommit commit = walk.parseCommit(head.getObjectId());
                int commitTime = commit.getCommitTime();
                Date date = new Date((long) (commitTime) * 1000);
                return String.format("%s %s %s %s", format(date), reader.abbreviate(head.getObjectId()).name(), commit.getAuthorIdent().getName(), commit.getShortMessage());
            }
        }
    }
    return null;
}