InfoAttributesNode.java

/*
 * Copyright (C) 2014, Arthur Daussy <arthur.daussy@obeo.fr>
 * Copyright (C) 2015, Christian Halstrick <christian.halstrick@sap.com>
 * and other copyright owners as documented in the project's IP log.
 *
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Distribution License v1.0 which
 * accompanies this distribution, is reproduced below, and is
 * available at http://www.eclipse.org/org/documents/edl-v10.php
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Eclipse Foundation, Inc. nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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package org.eclipse.jgit.internal.storage.file;

import java.io.File;
import java.io.IOException;

import org.eclipse.jgit.attributes.AttributesNode;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.util.FS;

/**
 * Attribute node loaded from the $GIT_DIR/info/attributes file.
 */
public class InfoAttributesNode extends AttributesNode {
    final Repository repository;

    /**
     * Constructor for InfoAttributesNode.
     *
     * @param repository
     *            the {@link org.eclipse.jgit.lib.Repository}.
     */
    public InfoAttributesNode(Repository repository) {
        this.repository = repository;
    }

    /**
     * Load the attributes node
     *
     * @return the attributes node
     * @throws java.io.IOException
     */
    public AttributesNode load() throws IOException {
        AttributesNode r = new AttributesNode();

        FS fs = repository.getFS();

        File attributes = fs.resolve(repository.getDirectory(),
                Constants.INFO_ATTRIBUTES);
        FileRepository.AttributesNodeProviderImpl.loadRulesFromFile(r, attributes);

        return r.getRules().isEmpty() ? null : r;
    }

}