com.qubole.rubix.bookkeeper.utils.DiskUtils.java Source code

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Here is the source code for com.qubole.rubix.bookkeeper.utils.DiskUtils.java

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/**
 * Copyright (c) 2016. Qubole Inc
 * Licensed 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. See accompanying LICENSE file.
 */
package com.qubole.rubix.bookkeeper.utils;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

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

/**
 * Created by stagra on 29/1/16.
 */
public class DiskUtils {
    private static Log log = LogFactory.getLog(DiskUtils.class.getName());

    private DiskUtils() {
        //
    }

    // Return actual size of a sparse file in bytes
    public static long getActualSize(String path) throws IOException {
        File file = new File(path);
        String cmd = "ls -s " + path + " | cut -d ' ' -f 1";
        ShellExec se = new ShellExec(cmd);
        log.debug("Running: " + cmd);
        ShellExec.CommandResult cr = se.runCmd();
        long size = Long.parseLong(cr.getOut().trim());
        return size * 1024;
    }
}