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The ActiveMQ Message Broker implementation

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.util;

import java.io.File;

public class StoreUtil {

    /**
     * Utility method to help find the root directory of the store
     *
     * @param dir
     * @return
     */
    public static File findParentDirectory(File dir) {
        if (dir != null) {
            String dirPath = dir.getAbsolutePath();
            if (!dir.isAbsolute()) {
                dir = new File(dirPath);
            }

            while (dir != null && !dir.isDirectory()) {
                dir = dir.getParentFile();
            }
        }
        return dir;
    }
}