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

List of usage examples for org.eclipse.jgit.patch FileHeader getHunks

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Introduction

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

Prototype

public List<? extends HunkHeader> getHunks()

Source Link

Document

Get hunks altering this file; in order of appearance in patch

Usage

From source file:MySmartApply.java

License:Eclipse Distribution License

/**
 * @param f//from  w w w  .  ja v a2 s.co m
 * @param fh
 * @throws IOException
 * @throws PatchApplyException
 */
private void apply(File f, FileHeader fh) throws IOException, PatchApplyException {

    if (failed_files.contains(f))
        return;

    RawText rt = new RawText(f);

    List<String> oldLines = new ArrayList<String>(rt.size());

    for (int i = 0; i < rt.size(); i++)
        oldLines.add(rt.getString(i));

    List<String> newLines = new ArrayList<String>(oldLines);

    for (HunkHeader hh : fh.getHunks()) {
        StringBuilder hunk = new StringBuilder();

        for (int j = hh.getStartOffset(); j < hh.getEndOffset(); j++)
            hunk.append((char) hh.getBuffer()[j]);

        RawText hrt = new RawText(hunk.toString().getBytes());

        List<String> hunkLines = new ArrayList<String>(hrt.size());

        for (int i = 0; i < hrt.size(); i++) {
            String line = hrt.getString(i);

            line = removeInvalidChars(line);

            hunkLines.add(line);
        }

        int pos = 0;
        for (int j = 1; j < hunkLines.size(); j++) {

            String hunkLine = hunkLines.get(j);

            // We need the comparison only in case of removing a line or do nothing with it.
            String newLine = null;
            if (hunkLine.charAt(0) == ' ' || hunkLine.charAt(0) == '-')
                newLine = removeInvalidChars(newLines.get(hh.getNewStartLine() - 1 + pos));

            switch (hunkLine.charAt(0)) {

            case ' ':
                if (!newLine.equals(hunkLine.substring(1))) {
                    failed_files.add(f);
                    if (listener != null)
                        listener.failed();
                    return;
                }
                pos++;
                break;
            case '-':
                if (!newLine.equals(hunkLine.substring(1))) {
                    failed_files.add(f);
                    if (listener != null)
                        listener.failed();
                    return;
                }
                newLines.remove(hh.getNewStartLine() - 1 + pos);
                break;
            case '+':
                newLines.add(hh.getNewStartLine() - 1 + pos, hunkLine.substring(1));
                pos++;
                break;
            }
        }
    }

    if (!isNoNewlineAtEndOfFile(fh))
        newLines.add(""); //$NON-NLS-1$
    if (!rt.isMissingNewlineAtEnd())
        oldLines.add(""); //$NON-NLS-1$
    if (!isChanged(oldLines, newLines))
        return; // don't touch the file
    StringBuilder sb = new StringBuilder();
    for (String l : newLines) {
        // don't bother handling line endings - if it was windows, the \r is
        // still there!
        sb.append(l).append('\n');
    }
    sb.deleteCharAt(sb.length() - 1);
    FileWriter fw = new FileWriter(f);
    fw.write(sb.toString());
    fw.close();

    if (listener != null)
        listener.done();
}

From source file:MySmartApply.java

License:Eclipse Distribution License

private boolean isNoNewlineAtEndOfFile(FileHeader fh) {

    // ... ///*ww w  . j  a  v a  2 s. com*/

    if (fh.getHunks().size() == 0)
        return false;

    // ... //

    HunkHeader lastHunk = fh.getHunks().get(fh.getHunks().size() - 1);
    RawText lhrt = new RawText(lastHunk.getBuffer());
    return lhrt.getString(lhrt.size() - 1).equals("\\ No newline at end of file"); //$NON-NLS-1$
}

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

License:Apache License

PatchListEntry(final FileHeader hdr, List<Edit> editList) {
    changeType = toChangeType(hdr);//from   w  w w . ja v  a 2 s.  co m
    patchType = toPatchType(hdr);

    switch (changeType) {
    case DELETED:
        oldName = null;
        newName = hdr.getOldPath();
        break;

    case ADDED:
    case MODIFIED:
        oldName = null;
        newName = hdr.getNewPath();
        break;

    case COPIED:
    case RENAMED:
        oldName = hdr.getOldPath();
        newName = hdr.getNewPath();
        break;

    default:
        throw new IllegalArgumentException("Unsupported type " + changeType);
    }

    header = compact(hdr);

    if (hdr instanceof CombinedFileHeader || hdr.getHunks().isEmpty() //
            || hdr.getOldMode() == FileMode.GITLINK || hdr.getNewMode() == FileMode.GITLINK) {
        edits = Collections.emptyList();
    } else {
        edits = Collections.unmodifiableList(editList);
    }

    int ins = 0;
    int del = 0;
    for (Edit e : editList) {
        del += e.getEndA() - e.getBeginA();
        ins += e.getEndB() - e.getBeginB();
    }
    insertions = ins;
    deletions = del;
}

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

License:Apache License

private static int end(final FileHeader h) {
    if (h instanceof CombinedFileHeader) {
        return h.getEndOffset();
    }/* www  .j a  v a2  s .  co m*/
    if (!h.getHunks().isEmpty()) {
        return h.getHunks().get(0).getStartOffset();
    }
    return h.getEndOffset();
}

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

License:Apache License

private PatchListEntry newEntry(RevTree aTree, FileHeader fileHeader) {
    final FileMode oldMode = fileHeader.getOldMode();
    final FileMode newMode = fileHeader.getNewMode();

    if (oldMode == FileMode.GITLINK || newMode == FileMode.GITLINK) {
        return new PatchListEntry(fileHeader, Collections.<Edit>emptyList());
    }/*from   w w w . j a  v a 2  s.c o  m*/

    if (aTree == null // want combined diff
            || fileHeader.getPatchType() != PatchType.UNIFIED || fileHeader.getHunks().isEmpty()) {
        return new PatchListEntry(fileHeader, Collections.<Edit>emptyList());
    }

    List<Edit> edits = fileHeader.toEditList();
    if (edits.isEmpty()) {
        return new PatchListEntry(fileHeader, Collections.<Edit>emptyList());
    } else {
        return new PatchListEntry(fileHeader, edits);
    }
}

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

License:Apache License

@Test
public void diffFileNoParentsText() throws Exception {
    String contents = "foo\ncontents\n";
    RevCommit c = repo.update("master", repo.commit().add("foo", contents));

    FakeHttpServletRequest req = FakeHttpServletRequest.newRequest();
    req.setPathInfo("/test/+diff/" + c.name() + "^!/foo");
    req.setQueryString("format=TEXT");
    FakeHttpServletResponse res = new FakeHttpServletResponse();
    servlet.service(req, res);// w  ww. j  a  v a 2  s .c  om

    Patch p = parsePatch(res.getActualBody());
    FileHeader f = getOnlyElement(p.getFiles());
    assertEquals(ChangeType.ADD, f.getChangeType());
    assertEquals(DiffEntry.DEV_NULL, f.getPath(Side.OLD));
    assertEquals("foo", f.getPath(Side.NEW));

    RawText rt = new RawText(contents.getBytes(UTF_8));
    Edit e = getOnlyElement(getOnlyElement(f.getHunks()).toEditList());
    assertEquals(Type.INSERT, e.getType());
    assertEquals(contents, rt.getString(e.getBeginB(), e.getEndB(), false));
}

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

License:Apache License

@Test
public void diffFileOneParentText() throws Exception {
    String contents1 = "foo\n";
    String contents2 = "foo\ncontents\n";
    RevCommit c1 = repo.update("master", repo.commit().add("foo", contents1));
    RevCommit c2 = repo.update("master", repo.commit().parent(c1).add("foo", contents2));

    FakeHttpServletRequest req = FakeHttpServletRequest.newRequest();
    req.setPathInfo("/test/+diff/" + c2.name() + "^!/foo");
    req.setQueryString("format=TEXT");
    FakeHttpServletResponse res = new FakeHttpServletResponse();
    servlet.service(req, res);//from w ww  .j  a  v a  2  s  .  c o m

    Patch p = parsePatch(res.getActualBody());
    FileHeader f = getOnlyElement(p.getFiles());
    assertEquals(ChangeType.MODIFY, f.getChangeType());
    assertEquals("foo", f.getPath(Side.OLD));
    assertEquals("foo", f.getPath(Side.NEW));

    RawText rt2 = new RawText(contents2.getBytes(UTF_8));
    Edit e = getOnlyElement(getOnlyElement(f.getHunks()).toEditList());
    assertEquals(Type.INSERT, e.getType());
    assertEquals("contents\n", rt2.getString(e.getBeginB(), e.getEndB(), false));
}

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 ww w . ja va  2  s.  c o 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);
    }
}

From source file:com.wirelust.sonar.plugins.bitbucket.PullRequestFacade.java

License:Open Source License

public void loadPatch(PullRequest pullRequest) throws IOException {

    Response response = bitbucketClient.getPullRequestDiff(config.repositoryOwner(), config.repository(),
            pullRequest.getId());/*from  www .  j  av  a  2  s  . c  o m*/
    LOGGER.debug("received bitbucket response getPullRequestDiff:{}", response.getStatus());

    String diffString = response.readEntity(String.class);
    InputStream diffStream = new ByteArrayInputStream(diffString.getBytes(StandardCharsets.UTF_8));

    Patch patch = new Patch();
    patch.parse(diffStream);

    modifiedLinesByFile = new HashMap<>();

    for (FileHeader fileHeader : patch.getFiles()) {
        List<Integer> patchLocationMapping = new ArrayList<>();
        modifiedLinesByFile.put(fileHeader.getNewPath(), patchLocationMapping);

        if (fileHeader.getHunks() != null) {
            loadHeaderHunks(patchLocationMapping, fileHeader);
        }
    }
}

From source file:com.wirelust.sonar.plugins.bitbucket.PullRequestFacade.java

License:Open Source License

private void loadHeaderHunks(List<Integer> patchLocationMapping, FileHeader fileHeader) {
    for (HunkHeader hunk : fileHeader.getHunks()) {
        for (Edit edit : hunk.toEditList()) {
            if (!edit.getType().equals(Edit.Type.DELETE)) {
                for (int line = edit.getBeginB(); line < edit.getEndB(); line++) {
                    patchLocationMapping.add(line + 1);
                }//  w  w w.  j  a va 2 s .c  o m
            }
        }
    }
}