org.apache.hadoop.hbase.mapreduce

Class JarFinder

java.lang.Object

org.apache.hadoop.hbase.mapreduce.JarFinder

@InterfaceAudience.Private
public final class JarFinder
extends Object

Finds the Jar for a class. If the class is in a directory in the classpath, it creates a Jar on the fly with the contents of the directory and returns the path to that Jar. If a Jar is created, it is created in the system temporary directory. This file was forked from hadoop/common/branches/branch-2@1377176.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	JarFinder()

Method Summary

Modifier and Type	Method and Description
private static void	copyToZipStream(File file, ZipEntry entry, ZipOutputStream zos)
private static void	createJar(File dir, File jarFile)
static String	getJar(Class klass) Returns the full path to the Jar containing the class.
static void	jarDir(File dir, String relativePath, ZipOutputStream zos)
private static void	zipDir(File dir, String relativePath, ZipOutputStream zos, boolean start)

Methods inherited from class java.lang.Object

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

Constructor Detail

JarFinder

private JarFinder()

Method Detail

copyToZipStream

private static void copyToZipStream(File file,
                                    ZipEntry entry,
                                    ZipOutputStream zos)
                             throws IOException

Throws:

IOException

jarDir

public static void jarDir(File dir,
                          String relativePath,
                          ZipOutputStream zos)
                   throws IOException

Throws:

IOException

zipDir

private static void zipDir(File dir,
                           String relativePath,
                           ZipOutputStream zos,
                           boolean start)
                    throws IOException

Throws:

IOException

createJar

private static void createJar(File dir,
                              File jarFile)
                       throws IOException

Throws:

IOException

getJar

public static String getJar(Class klass)

Returns the full path to the Jar containing the class. It always return a JAR.

Parameters:

klass - class.

Returns:

path to the Jar containing the class.