Example usage for org.eclipse.jgit.lib ObjectChecker checkTree

Introduction

In this page you can find the example usage for org.eclipse.jgit.lib ObjectChecker checkTree.

Prototype

public void checkTree(byte[] raw) throws CorruptObjectException 

Source Link

Document

Check a canonical formatted tree for errors.

Usage

From source file:svnserver.repository.git.LayoutHelper.java

License:GNU General Public License

@Nullable
private static ObjectId createSvnLayoutTree(@NotNull ObjectInserter inserter,
        @NotNull Map<String, ObjectId> revBranches) throws IOException {
    final Deque<TreeFormatter> stack = new ArrayDeque<>();
    stack.add(new TreeFormatter());
    String dir = "";
    final ObjectChecker checker = new ObjectChecker();
    for (Map.Entry<String, ObjectId> entry : new TreeMap<>(revBranches).entrySet()) {
        final String path = entry.getKey();
        // Save already added nodes.
        while (!path.startsWith(dir)) {
            final int index = dir.lastIndexOf('/', dir.length() - 2) + 1;
            final TreeFormatter tree = stack.pop();
            checker.checkTree(tree.toByteArray());
            stack.element().append(dir.substring(index, dir.length() - 1), FileMode.TREE,
                    inserter.insert(tree));
            dir = dir.substring(0, index);
        }/*from ww w.ja v  a2 s.  c o  m*/
        // Go deeper.
        for (int index = path.indexOf('/', dir.length()) + 1; index < path
                .length(); index = path.indexOf('/', index) + 1) {
            dir = path.substring(0, index);
            stack.push(new TreeFormatter());
        }
        // Add commit to tree.
        {
            final int index = path.lastIndexOf('/', path.length() - 2) + 1;
            stack.element().append(path.substring(index, path.length() - 1), FileMode.GITLINK,
                    entry.getValue());
        }
    }
    // Save already added nodes.
    while (!dir.isEmpty()) {
        int index = dir.lastIndexOf('/', dir.length() - 2) + 1;
        final TreeFormatter tree = stack.pop();
        checker.checkTree(tree.toByteArray());
        stack.element().append(dir.substring(index, dir.length() - 1), FileMode.TREE, inserter.insert(tree));
        dir = dir.substring(0, index);
    }
    // Save root tree to disk.
    final TreeFormatter rootTree = stack.pop();
    checker.checkTree(rootTree.toByteArray());
    if (!stack.isEmpty()) {
        throw new IllegalStateException();
    }
    return inserter.insert(rootTree);
}

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