org.apache.hadoop.mapreduce.util
Class ResourceBundles

java.lang.Object
  org.apache.hadoop.mapreduce.util.ResourceBundles

public class ResourceBundles
extends Object

Helper class to handle resource bundles in a saner way

Constructor Summary

ResourceBundles()

Method Summary

static ResourceBundle	getBundle(String bundleName) Get a resource bundle
static String	getCounterGroupName(String group, String defaultValue) Get the counter group display name
static String	getCounterName(String group, String counter, String defaultValue) Get the counter display name
static <T> T	getValue(String bundleName, String key, String suffix, T defaultValue) Get a resource given bundle name and key

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceBundles

public ResourceBundles()

Method Detail

getBundle

public static ResourceBundle getBundle(String bundleName)

Get a resource bundle

Parameters:

bundleName - of the resource

Returns:

the resource bundle

Throws:

MissingResourceException

getValue

public static <T> T getValue(String bundleName,
                             String key,
                             String suffix,
                             T defaultValue)

Get a resource given bundle name and key

Type Parameters:

T - type of the resource

Parameters:

bundleName - name of the resource bundle

key - to lookup the resource

suffix - for the key to lookup

defaultValue - of the resource

Returns:

the resource or the defaultValue

Throws:

ClassCastException - if the resource found doesn't match T

getCounterGroupName

public static String getCounterGroupName(String group,
                                         String defaultValue)

Get the counter group display name

Parameters:

group - the group name to lookup

defaultValue - of the group

Returns:

the group display name

getCounterName

public static String getCounterName(String group,
                                    String counter,
                                    String defaultValue)

Get the counter display name

Parameters:

group - the counter group name for the counter

counter - the counter name to lookup

defaultValue - of the counter

Returns:

the counter display name