com.hadoop.compression.fourmc.FourMcInputFormatUtil.java Source code

Introduction

Here is the source code for com.hadoop.compression.fourmc.FourMcInputFormatUtil.java

Source

/**
4MC
Copyright (c) 2014, Carlo Medas
BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
    
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.
    
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    
  You can contact 4MC author at :
  - 4MC source repository : https://github.com/carlomedas/4mc
    
  LZ4 - Copyright (C) 2011-2014, Yann Collet - BSD 2-Clause License.
  You can contact LZ4 lib author at :
  - LZ4 source repository : http://code.google.com/p/lz4/
**/
package com.hadoop.compression.fourmc;

import org.apache.hadoop.conf.Configuration;

/**
 * Utils that are used by input formats.
 */
public class FourMcInputFormatUtil {
    public static final String IGNORE_NONFOURMC_KEY = "4mc.text.input.format.ignore.non4mc";
    public static final boolean DEFAULT_IGNORE_NONFOURMC = true;

    public static boolean getIgnoreNon4mcProperty(Configuration conf) {
        return conf.getBoolean(IGNORE_NONFOURMC_KEY, DEFAULT_IGNORE_NONFOURMC);
    }

    /**
     * Just checks for file extension to be .4mc
     */
    public static boolean is4mcFile(String filename) {
        return filename.endsWith(FourMcCodec.FOURMC_DEFAULT_EXTENSION);
    }

    /**
     * Just checks for file extension to be .4mz
     */
    public static boolean is4mzFile(String filename) {
        return filename.endsWith(FourMzCodec.FOURMZ_DEFAULT_EXTENSION);
    }

}