org.apache.hadoop.hive.common

Class CompressionUtils

java.lang.Object

org.apache.hadoop.hive.common.CompressionUtils

public class CompressionUtils
extends Object

This class contains methods used for the purposes of compression, this class should not be accessed from code run in Hadoop.

Constructor Summary

Constructors

Constructor and Description
CompressionUtils()

Method Summary

Modifier and Type	Method and Description
static void	tar(String parentDir, String[] inputFiles, String outputFile) Archive all the files in the inputFiles into outputFile
static List<File>	unTar(String inputFileName, String outputDirName) Untar an input file into an output file.
static List<File>	unTar(String inputFileName, String outputDirName, boolean flatten) Untar an input file into an output file.
static void	zip(String parentDir, String[] inputFiles, String outputFile)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CompressionUtils

public CompressionUtils()

Method Detail

tar

public static void tar(String parentDir,
                       String[] inputFiles,
                       String outputFile)
                throws IOException

Archive all the files in the inputFiles into outputFile

Parameters:

inputFiles -

outputFile -

Throws:

IOException

zip

public static void zip(String parentDir,
                       String[] inputFiles,
                       String outputFile)
                throws IOException

Throws:

IOException

unTar

public static List<File> unTar(String inputFileName,
                               String outputDirName)
                        throws FileNotFoundException,
                               IOException,
                               org.apache.commons.compress.archivers.ArchiveException

Untar an input file into an output file. The output file is created in the output folder, having the same name as the input file, minus the '.tar' extension.

Parameters:

inputFileName - the input .tar file

outputDirName - the output directory file.

Returns:

The List of Files with the untared content.

Throws:

IOException

FileNotFoundException

org.apache.commons.compress.archivers.ArchiveException

unTar

public static List<File> unTar(String inputFileName,
                               String outputDirName,
                               boolean flatten)
                        throws FileNotFoundException,
                               IOException,
                               org.apache.commons.compress.archivers.ArchiveException

Untar an input file into an output file. The output file is created in the output folder, having the same name as the input file, minus the '.tar' extension.

Parameters:

inputFileName - the input .tar file

outputDirName - the output directory file.

Returns:

The List of Files with the untared content.

Throws:

IOException

FileNotFoundException

org.apache.commons.compress.archivers.ArchiveException