Example usage for org.eclipse.jgit.diff ContentSource.Pair ContentSource.Pair

Introduction

In this page you can find the example usage for org.eclipse.jgit.diff ContentSource.Pair ContentSource.Pair.

Prototype

public Pair(ContentSource oldSource, ContentSource newSource) 

Source Link

Document

Construct a pair of sources.

Usage

From source file:MyDiffFormatter.java

License:Eclipse Distribution License

/**
 * Set the repository the formatter can load object contents from.
 * <p/>/*from   w  w w.  ja  v a 2 s  .c o  m*/
 * Once a repository has been set, the formatter must be released to ensure
 * the internal ObjectReader is able to release its resources.
 *
 * @param repository source repository holding referenced objects.
 */
public void setRepository(Repository repository) {
    if (reader != null)
        reader.release();

    db = repository;
    reader = db.newObjectReader();
    diffCfg = db.getConfig().get(DiffConfig.KEY);

    ContentSource cs = ContentSource.create(reader);
    source = new ContentSource.Pair(cs, cs);

    DiffConfig dc = db.getConfig().get(DiffConfig.KEY);
    if (dc.isNoPrefix()) {
        setOldPrefix(""); //$NON-NLS-1$
        setNewPrefix(""); //$NON-NLS-1$
    }
    setDetectRenames(dc.isRenameDetectionEnabled());

    diffAlgorithm = DiffAlgorithm.getAlgorithm(db.getConfig().getEnum(ConfigConstants.CONFIG_DIFF_SECTION, null,
            ConfigConstants.CONFIG_KEY_ALGORITHM, SupportedAlgorithm.HISTOGRAM));

}

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From source file:MyDiffFormatter.java

License:Eclipse Distribution License

/**
* Determine the differences between two trees.
*
* No output is created, instead only the file paths that are different are
* returned. Callers may choose to format these paths themselves, or convert
* them into {@link FileHeader} instances with a complete edit list by
*
* @param a/* w  w w.jav  a2s.c om*/
*            the old (or previous) side.
* @param b
*            the new (or updated) side.
* @return the paths that are different.
* @throws IOException
*             trees cannot be read or file contents cannot be read.
*/
public List<DiffEntry> scan(AbstractTreeIterator a, AbstractTreeIterator b) throws IOException {
    assertHaveRepository();

    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 {
        walk.setFilter(AndTreeFilter.create(pathFilter, filter));
    }

    source = new ContentSource.Pair(source(a), source(b));

    List<DiffEntry> files = DiffEntry.scan(walk);
    if (pathFilter instanceof FollowFilter && isAdd(files)) {
        // The file we are following was added here, find where it
        // came from so we can properly show the rename or copy,
        // then continue digging backwards.
        //
        a.reset();
        b.reset();
        walk.reset();
        walk.addTree(a);
        walk.addTree(b);
        walk.setFilter(filter);

        if (renameDetector == null)
            setDetectRenames(true);
        files = updateFollowFilter(detectRenames(DiffEntry.scan(walk)));

    } else if (renameDetector != null)
        files = detectRenames(files);

    return files;
}

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From source file:jbenchmarker.trace.git.GitExtraction.java

License:Open Source License

public GitExtraction(Repository repo, CouchDbRepositorySupport<Commit> dbc, CouchDbRepositorySupport<Patch> dbp,
        DiffAlgorithm diffAlgorithm, String path, boolean detectMovesAndUpdates, int updateThresold,
        int moveThresold) {
    this.repository = repo;
    this.reader = repo.newObjectReader();
    this.source = ContentSource.create(reader);
    this.pairSource = new ContentSource.Pair(source, source);
    this.diffAlgorithm = diffAlgorithm;
    this.patchCrud = dbp;
    this.commitCrud = dbc;
    this.git = new Git(repo);
    this.path = path;
    this.detectMoveAndUpdate = detectMovesAndUpdates;
    this.updateThresold = updateThresold;
    this.moveThresold = moveThresold;
}

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