rle.util
Class Lang

java.lang.Object
  rle.util.Lang

public class Lang
extends java.lang.Object

Constructor Summary

Lang()

Method Summary

java.lang.String	checkFileNameFilter(java.lang.String fileName)
static boolean	checkInt(java.lang.Object intValue) Returns true for valid ints
static java.lang.String	checkNull(java.lang.Object line)
static java.lang.String	checkNull(java.lang.Object line, java.lang.String s)
static boolean	checkWholeNumber(java.lang.String intValue, boolean allowEmpty) Returns true for valid ints
static boolean	isEmpty(java.lang.Object obj) Returns true if the object is null or contains a String that is empty after trim() is called.
static boolean	isEven(int i) Returns true for Even Integers
static boolean	isEven(java.lang.Integer i) Returns true for Even Integers
static java.util.Map<java.lang.String,java.lang.Object>	prefixMap(java.util.Map<java.lang.String,java.lang.Object> map, java.lang.String prefix) Convert the given map into a map for only those keys starting with the prefix.

Methods inherited from class java.lang.Object

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

Constructor Detail

Lang

public Lang()

Method Detail

checkNull

public static java.lang.String checkNull(java.lang.Object line,
                                         java.lang.String s)

Parameters:

line -

s -

Returns:

checkNull

public static java.lang.String checkNull(java.lang.Object line)

Parameters:

line -

Returns:

checkFileNameFilter

public java.lang.String checkFileNameFilter(java.lang.String fileName)

Parameters:

fileName -

Returns:

isEven

public static boolean isEven(java.lang.Integer i)

Returns true for Even Integers

isEven

public static boolean isEven(int i)

Returns true for Even Integers

checkInt

public static boolean checkInt(java.lang.Object intValue)

Returns true for valid ints

checkWholeNumber

public static boolean checkWholeNumber(java.lang.String intValue,
                                       boolean allowEmpty)

Returns true for valid ints

isEmpty

public static boolean isEmpty(java.lang.Object obj)

Returns true if the object is null or contains a String that is empty after trim() is called.

prefixMap

public static java.util.Map<java.lang.String,java.lang.Object> prefixMap(java.util.Map<java.lang.String,java.lang.Object> map,
                                                                         java.lang.String prefix)

Convert the given map into a map for only those keys starting with the prefix. The resulting map will contain the mappings with keys starting with the prefix, but with the prefix removed.