Examples of org.eclipse.jgit.treewalk.filter.TreeFilter

Package org.eclipse.jgit.treewalk.filter

Examples of org.eclipse.jgit.treewalk.filter.TreeFilter

org.eclipse.jgit.treewalk.filter.TreeFilter
Selects interesting tree entries during walking.
This is an abstract interface. Applications may implement a subclass, or use one of the predefined implementations already available within this package.
Unless specifically noted otherwise a TreeFilter implementation is not thread safe and may not be shared by different TreeWalk instances at the same time. This restriction allows TreeFilter implementations to cache state within their instances during {@link #include(TreeWalk)} if it is beneficial totheir implementation. Deep clones created by {@link #clone()} may be used toconstruct a thread-safe copy of an existing filter.
Path filters:
- Matching pathname: {@link PathFilter}
Difference filters:
- Only select differences: {@link #ANY_DIFF}.
Boolean modifiers:
- AND: {@link AndTreeFilter}
- OR: {@link OrTreeFilter}
- NOT: {@link NotTreeFilter}

    List<DiffEntry> files = DiffEntry.scan(tw);
    RenameDetector rd = new RenameDetector(repository);
    rd.addAll(files);
    files = rd.compute();


    TreeFilter newFilter = oldFilter;
    for (DiffEntry ent : files) {
      if (isRename(ent) && ent.getNewPath().equals(oldFilter.getPath())) {
        newFilter = FollowFilter.create(ent.getOldPath());
        break;
      }

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      IncorrectObjectTypeException, IOException {
    Generator g;


    final RevWalk w = walker;
    RevFilter rf = w.getRevFilter();
    final TreeFilter tf = w.getTreeFilter();
    AbstractRevQueue q = walker.queue;


    w.reader.walkAdviceBeginCommits(w, w.roots);


    if (rf == RevFilter.MERGE_BASE) {

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    TreeWalk walk = new TreeWalk(reader);
    walk.addTree(a);
    walk.addTree(b);
    walk.setRecursive(true);


    TreeFilter filter = getDiffTreeFilterFor(a, b);
    if (pathFilter instanceof FollowFilter) {
      walk.setFilter(AndTreeFilter.create(
          PathFilter.create(((FollowFilter) pathFilter).getPath()),
          filter));
    } else {

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      return new IndexDiffFilter(0, 1);


    if (a instanceof WorkingTreeIterator && b instanceof DirCacheIterator)
      return new IndexDiffFilter(1, 0);


    TreeFilter filter = TreeFilter.ANY_DIFF;
    if (a instanceof WorkingTreeIterator)
      filter = AndTreeFilter.create(new NotIgnoredFilter(0), filter);
    if (b instanceof WorkingTreeIterator)
      filter = AndTreeFilter.create(new NotIgnoredFilter(1), filter);
    return filter;

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          } else {
            // escape the . since this is a regexp filter
            suffixFilters.add(PathSuffixFilter.create("." + extension));
          }
        }
        TreeFilter filter;
        if (suffixFilters.size() == 1) {
          filter = suffixFilters.get(0);
        } else {
          filter = OrTreeFilter.create(suffixFilters);
        }

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      rw.markStart(rw.parseCommit(endRange));
      if (startRange != null) {
        rw.markUninteresting(rw.parseCommit(startRange));
      }
      if (!StringUtils.isEmpty(path)) {
        TreeFilter filter = AndTreeFilter.create(
            PathFilterGroup.createFromStrings(Collections.singleton(path)),
            TreeFilter.ANY_DIFF);
        rw.setTreeFilter(filter);
      }
      Iterable<RevCommit> revlog = rw;

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          } else {
            // escape the . since this is a regexp filter
            suffixFilters.add(PathSuffixFilter.create("." + extension));
          }
        }
        TreeFilter filter;
        if (suffixFilters.size() == 1) {
          filter = suffixFilters.get(0);
        } else {
          filter = OrTreeFilter.create(suffixFilters);
        }

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      rw.markStart(rw.parseCommit(endRange));
      if (startRange != null) {
        rw.markUninteresting(rw.parseCommit(startRange));
      }
      if (!StringUtils.isEmpty(path)) {
        TreeFilter filter = AndTreeFilter.create(
            PathFilterGroup.createFromStrings(Collections.singleton(path)),
            TreeFilter.ANY_DIFF);
        rw.setTreeFilter(filter);
      }
      Iterable<RevCommit> revlog = rw;

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   * @throws Exception
   */
  @Test
  public void cloneFilter() throws Exception {
    ExtensionOccurrenceFilter filter1 = new ExtensionOccurrenceFilter();
    TreeFilter filter2 = filter1.clone();
    assertNotNull(filter2);
    assertTrue(filter2 instanceof ExtensionOccurrenceFilter);
    assertNotSame(filter1, filter2);
  }

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   * @throws Exception
   */
  @Test
  public void cloneFilter() throws Exception {
    TypeCountFilter filter = TypeCountFilter.tree();
    TreeFilter clone = filter.clone();
    assertNotNull(clone);
    assertNotSame(filter, clone);
    assertTrue(clone instanceof TypeCountFilter);
    assertEquals(filter.getType(), ((TypeCountFilter) clone).getType());
  }

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