Example usage for org.eclipse.jgit.revplot PlotWalk markStart

List of usage examples for org.eclipse.jgit.revplot PlotWalk markStart

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Introduction

In this page you can find the example usage for org.eclipse.jgit.revplot PlotWalk markStart.

Prototype

public void markStart(RevCommit c) throws MissingObjectException, IncorrectObjectTypeException, IOException

Source Link

Document

Mark a commit to start graph traversal from.

Usage

From source file:com.gitblit.servlet.BranchGraphServlet.java

License:Eclipse Distribution License

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    InputStream is = null;//from ww w.  j a v  a 2 s.c  o  m
    Repository r = null;
    PlotWalk rw = null;
    try {
        String repository = request.getParameter("r");
        if (StringUtils.isEmpty(repository)) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            response.getWriter().append("Bad request");
            return;
        }
        String objectId = request.getParameter("h");
        String length = request.getParameter("l");

        r = repositoryManager.getRepository(repository);
        if (r == null) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            response.getWriter().append("Bad request");
            return;
        }

        rw = new PlotWalk(r);
        if (StringUtils.isEmpty(objectId)) {
            objectId = JGitUtils.getHEADRef(r);
        }

        ObjectId id = r.resolve(objectId);
        if (id == null) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            response.getWriter().append("Bad request");
            return;
        }
        rw.markStart(rw.lookupCommit(id));

        // default to the items-per-page setting, unless specified
        int maxCommits = settings.getInteger(Keys.web.itemsPerPage, 50);
        int requestedCommits = maxCommits;
        if (!StringUtils.isEmpty(length)) {
            int l = Integer.parseInt(length);
            if (l > 0) {
                requestedCommits = l;
            }
        }

        // fetch the requested commits plus some extra so that the last
        // commit displayed *likely* has correct lane assignments
        CommitList commitList = new CommitList();
        commitList.source(rw);
        commitList.fillTo(2 * Math.max(requestedCommits, maxCommits));

        // determine the appropriate width for the image
        int numLanes = 1;
        int numCommits = Math.min(requestedCommits, commitList.size());
        if (numCommits > 1) {
            // determine graph width
            Set<String> parents = new TreeSet<String>();
            for (int i = 0; i < commitList.size(); i++) {
                PlotCommit<Lane> commit = commitList.get(i);
                boolean checkLane = false;

                if (i < numCommits) {
                    // commit in visible list
                    checkLane = true;

                    // remember parents
                    for (RevCommit p : commit.getParents()) {
                        parents.add(p.getName());
                    }
                } else if (parents.contains(commit.getName())) {
                    // commit outside visible list, but it is a parent of a
                    // commit in the visible list so we need to know it's lane
                    // assignment
                    checkLane = true;
                }

                if (checkLane) {
                    int pos = commit.getLane().getPosition();
                    numLanes = Math.max(numLanes, pos + 1);
                }
            }
        }

        int graphWidth = numLanes * LANE_WIDTH + RIGHT_PAD;
        int rowHeight = ROW_HEIGHT;

        // create an image buffer and render the lanes
        BufferedImage image = new BufferedImage(graphWidth, rowHeight * numCommits,
                BufferedImage.TYPE_INT_ARGB);

        Graphics2D g = null;
        try {
            g = image.createGraphics();
            g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            LanesRenderer renderer = new LanesRenderer();
            for (int i = 0; i < commitList.size(); i++) {
                PlotCommit<Lane> commit = commitList.get(i);
                Graphics row = g.create(0, i * rowHeight, graphWidth, rowHeight);
                try {
                    renderer.paint(row, commit, rowHeight, graphWidth);
                } finally {
                    row.dispose();
                    row = null;
                }
            }
        } finally {
            if (g != null) {
                g.dispose();
                g = null;
            }
        }

        // write the image buffer to the client
        response.setContentType("image/png");
        if (numCommits > 1) {
            response.setHeader("Cache-Control", "public, max-age=60, must-revalidate");
            response.setDateHeader("Last-Modified", JGitUtils.getCommitDate(commitList.get(0)).getTime());
        }
        OutputStream os = response.getOutputStream();
        ImageIO.write(image, "png", os);
        os.flush();
        image.flush();
        image = null;
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (is != null) {
            is.close();
            is = null;
        }
        if (rw != null) {
            rw.dispose();
            rw = null;
        }
        if (r != null) {
            r.close();
            r = null;
        }
    }
}

From source file:com.madgag.agit.CommitViewerActivity.java

License:Open Source License

private PlotWalk generatePlotWalk() throws IOException {
    long start = currentTimeMillis();
    PlotWalk revWalk = new PlotWalk(repo());

    for (ObjectId startId : logStartProvider.get()) {
        revWalk.markStart(revWalk.parseCommit(startId));
    }//  w  ww  .  j av  a2 s  . c  o  m

    PlotCommitList<PlotLane> plotCommitList = new PlotCommitList<PlotLane>();
    plotCommitList.source(revWalk);
    plotCommitList.fillTo(Integer.MAX_VALUE);
    long duration = currentTimeMillis() - start;
    Log.d(TAG, "generatePlotWalk duration" + duration);
    return revWalk;
}

From source file:de.fau.osr.core.vcs.impl.GitVcsClient.java

License:Open Source License

public Iterator<String> getCommitListForFileodification(String path) {
    String filename = path.replaceAll(Matcher.quoteReplacement("\\"), "/");
    PlotCommitList<PlotLane> plotCommitList = new PlotCommitList<PlotLane>();
    PlotWalk revWalk = new PlotWalk(repo);
    ArrayList<String> commitIDList = new ArrayList<String>();
    try {//from w w w  .ja  va 2  s .  co m
        ObjectId rootId = repo.resolve("HEAD");
        if (rootId != null) {
            RevCommit root = revWalk.parseCommit(rootId);
            revWalk.markStart(root);
            revWalk.setTreeFilter(
                    // VERY IMPORTANT: This works only with unix-style file paths. NO "\" allowed.
                    AndTreeFilter.create(PathFilter.create(filename), TreeFilter.ANY_DIFF));
            plotCommitList.source(revWalk);
            plotCommitList.fillTo(Integer.MAX_VALUE);

            Iterator<PlotCommit<PlotLane>> commitListIterator = plotCommitList.iterator();
            while (commitListIterator.hasNext()) {
                commitIDList.add(commitListIterator.next().getName());
            }
            return commitIDList.iterator();
        }

    } catch (AmbiguousObjectException ex) {

    } catch (IOException ex) {

    }
    return commitIDList.iterator();
}

From source file:org.commonjava.aprox.subsys.git.GitManager.java

License:Apache License

public ChangeSummary getHeadCommit(final File f) throws GitSubsystemException {
    try {//from   ww  w  .  ja va  2 s .  c  om
        final ObjectId oid = repo.resolve("HEAD");

        final PlotWalk pw = new PlotWalk(repo);
        final RevCommit rc = pw.parseCommit(oid);
        pw.markStart(rc);

        final String filepath = relativize(f);

        pw.setTreeFilter(AndTreeFilter.create(PathFilter.create(filepath), TreeFilter.ANY_DIFF));

        final PlotCommitList<PlotLane> cl = new PlotCommitList<>();
        cl.source(pw);
        cl.fillTo(1);

        final PlotCommit<PlotLane> commit = cl.get(0);

        return toChangeSummary(commit);
    } catch (RevisionSyntaxException | IOException e) {
        throw new GitSubsystemException("Failed to resolve HEAD commit for: %s. Reason: %s", e, f,
                e.getMessage());
    }
}

From source file:org.commonjava.aprox.subsys.git.GitManager.java

License:Apache License

public List<ChangeSummary> getChangelog(final File f, final int start, final int length)
        throws GitSubsystemException {
    if (length == 0) {
        return Collections.emptyList();
    }//w w  w  .  j  av a  2 s  . c om

    try {
        final ObjectId oid = repo.resolve(Constants.HEAD);

        final PlotWalk pw = new PlotWalk(repo);
        final RevCommit rc = pw.parseCommit(oid);
        toChangeSummary(rc);
        pw.markStart(rc);

        final String filepath = relativize(f);
        logger.info("Getting changelog for: {} (start: {}, length: {})", filepath, start, length);

        if (!isEmpty(filepath) && !filepath.equals("/")) {
            pw.setTreeFilter(AndTreeFilter.create(PathFilter.create(filepath), TreeFilter.ANY_DIFF));
        } else {
            pw.setTreeFilter(TreeFilter.ANY_DIFF);
        }

        final List<ChangeSummary> changelogs = new ArrayList<ChangeSummary>();
        int count = 0;
        final int stop = length > 0 ? length + 1 : 0;
        RevCommit commit = null;
        while ((commit = pw.next()) != null && (stop < 1 || count < stop)) {
            if (count < start) {
                count++;
                continue;
            }

            //                printFiles( commit );
            changelogs.add(toChangeSummary(commit));
            count++;
        }

        if (length < -1) {
            final int remove = (-1 * length) - 1;
            for (int i = 0; i < remove; i++) {
                changelogs.remove(changelogs.size() - 1);
            }
        }

        return changelogs;
    } catch (RevisionSyntaxException | IOException e) {
        throw new GitSubsystemException("Failed to resolve HEAD commit for: %s. Reason: %s", e, f,
                e.getMessage());
    }
}

From source file:org.commonjava.indy.subsys.git.GitManager.java

License:Apache License

public ChangeSummary getHeadCommit(final File f) throws GitSubsystemException {
    return lockAnd(me -> {
        try {/*from   w  w w . ja v  a  2s.  co  m*/
            final ObjectId oid = repo.resolve("HEAD");

            final PlotWalk pw = new PlotWalk(repo);
            final RevCommit rc = pw.parseCommit(oid);
            pw.markStart(rc);

            final String filepath = relativize(f);

            pw.setTreeFilter(AndTreeFilter.create(PathFilter.create(filepath), TreeFilter.ANY_DIFF));

            final PlotCommitList<PlotLane> cl = new PlotCommitList<>();
            cl.source(pw);
            cl.fillTo(1);

            final PlotCommit<PlotLane> commit = cl.get(0);

            return toChangeSummary(commit);
        } catch (RevisionSyntaxException | IOException e) {
            throw new GitSubsystemException("Failed to resolve HEAD commit for: %s. Reason: %s", e, f,
                    e.getMessage());
        }
    });
}

From source file:org.commonjava.indy.subsys.git.GitManager.java

License:Apache License

public List<ChangeSummary> getChangelog(final File f, final int start, final int length)
        throws GitSubsystemException {
    return lockAnd(me -> {
        if (length == 0) {
            return Collections.emptyList();
        }/*from  w  w  w . j ava 2s.  co  m*/

        try {
            final ObjectId oid = repo.resolve(Constants.HEAD);

            final PlotWalk pw = new PlotWalk(repo);
            final RevCommit rc = pw.parseCommit(oid);
            toChangeSummary(rc);
            pw.markStart(rc);

            final String filepath = relativize(f);
            logger.info("Getting changelog for: {} (start: {}, length: {})", filepath, start, length);

            if (!isEmpty(filepath) && !filepath.equals("/")) {
                pw.setTreeFilter(AndTreeFilter.create(PathFilter.create(filepath), TreeFilter.ANY_DIFF));
            } else {
                pw.setTreeFilter(TreeFilter.ANY_DIFF);
            }

            final List<ChangeSummary> changelogs = new ArrayList<ChangeSummary>();
            int count = 0;
            final int stop = length > 0 ? length + 1 : 0;
            RevCommit commit = null;
            while ((commit = pw.next()) != null && (stop < 1 || count < stop)) {
                if (count < start) {
                    count++;
                    continue;
                }

                //                printFiles( commit );
                changelogs.add(toChangeSummary(commit));
                count++;
            }

            if (length < -1) {
                final int remove = (-1 * length) - 1;
                for (int i = 0; i < remove; i++) {
                    changelogs.remove(changelogs.size() - 1);
                }
            }

            return changelogs;
        } catch (RevisionSyntaxException | IOException e) {
            throw new GitSubsystemException("Failed to resolve HEAD commit for: %s. Reason: %s", e, f,
                    e.getMessage());
        }
    });
}

From source file:org.efaps.cli.rest.ImportCICall.java

License:Apache License

/**
 * Gets the file information./*w w w  .  jav a 2s . c  o  m*/
 *
 * @param _file the _file
 * @return the file information
 */
protected String[] getFileInformation(final File _file) {
    final String[] ret = new String[2];

    try {
        final Repository repo = new FileRepository(evalGitDir(_file));

        final ObjectId lastCommitId = repo.resolve(Constants.HEAD);

        final PlotCommitList<PlotLane> plotCommitList = new PlotCommitList<PlotLane>();
        final PlotWalk revWalk = new PlotWalk(repo);

        final RevCommit root = revWalk.parseCommit(lastCommitId);
        revWalk.markStart(root);
        revWalk.setTreeFilter(AndTreeFilter.create(
                PathFilter.create(_file.getPath().replaceFirst(repo.getWorkTree().getPath() + "/", "")),
                TreeFilter.ANY_DIFF));
        plotCommitList.source(revWalk);
        plotCommitList.fillTo(2);
        final PlotCommit<PlotLane> commit = plotCommitList.get(0);
        if (commit != null) {
            final PersonIdent authorIdent = commit.getAuthorIdent();
            final Date authorDate = authorIdent.getWhen();
            final TimeZone authorTimeZone = authorIdent.getTimeZone();
            final DateTime dateTime = new DateTime(authorDate.getTime(),
                    DateTimeZone.forTimeZone(authorTimeZone));
            ret[1] = dateTime.toString();
            ret[0] = commit.getId().getName();
        } else {
            ret[1] = new DateTime().toString();
            ret[0] = "UNKNOWN";
        }
    } catch (final RevisionSyntaxException | IOException e) {
        e.printStackTrace();
    }
    return ret;
}

From source file:org.efaps.eclipse.rest.RestClient.java

License:Apache License

protected String[] getFileInformation(final File _file) {
    final String[] ret = new String[2];

    try {//from   w  ww  . ja va 2 s  .c om
        final Repository repo = new FileRepository(evalGitDir(_file));

        final ObjectId lastCommitId = repo.resolve(Constants.HEAD);

        final PlotCommitList<PlotLane> plotCommitList = new PlotCommitList<PlotLane>();
        final PlotWalk revWalk = new PlotWalk(repo);

        final RevCommit root = revWalk.parseCommit(lastCommitId);
        revWalk.markStart(root);
        revWalk.setTreeFilter(AndTreeFilter.create(
                PathFilter.create(_file.getPath().replaceFirst(repo.getWorkTree().getPath() + "/", "")),
                TreeFilter.ANY_DIFF));
        plotCommitList.source(revWalk);
        plotCommitList.fillTo(2);
        final PlotCommit<PlotLane> commit = plotCommitList.get(0);
        if (commit != null) {
            final PersonIdent authorIdent = commit.getAuthorIdent();
            final Date authorDate = authorIdent.getWhen();
            final TimeZone authorTimeZone = authorIdent.getTimeZone();
            final DateTime dateTime = new DateTime(authorDate.getTime(),
                    DateTimeZone.forTimeZone(authorTimeZone));
            ret[1] = dateTime.toString();
            ret[0] = commit.getId().getName();
        } else {
            ret[1] = new DateTime().toString();
            ret[0] = "UNKNOWN";
        }
    } catch (RevisionSyntaxException | IOException e) {
        e.printStackTrace();
    }
    return ret;
}

From source file:org.nbgit.ui.browser.BrowserController.java

License:Open Source License

public void show() {
    SwingUtilities.invokeLater(new Runnable() {

        public void run() {
            model.getCommitList().clear();
            PlotWalk walk = null;
            try {
                walk = new PlotWalk(model.getRepository());
                walk.sort(RevSort.BOUNDARY, true);
                if (model.hasPaths()) {
                    walk.setTreeFilter(model.createPathFilter());
                }/*from ww w. j a  va  2 s .co  m*/
                for (Ref ref : model.getReferences())
                    walk.markStart(walk.parseCommit(ref.getObjectId()));
                model.getCommitList().source(walk);
                model.getCommitList().fillTo(Integer.MAX_VALUE);
            } catch (Throwable error) {
                model.setContent(error.getMessage());
            } finally {
                if (walk != null) {
                    walk.dispose();
                }
            }
        }
    });
}