org.cip4.jdflib.util

Class EnumUtil

java.lang.Object

org.cip4.jdflib.util.EnumUtil

public class EnumUtil
extends java.lang.Object

class with utilities for enums

Constructor Summary

Constructors

Constructor and Description
EnumUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	aLessEqualsThanB(org.apache.commons.lang.enums.ValuedEnum a, org.apache.commons.lang.enums.ValuedEnum b) checks whether the value of an enum is less or equal to another null is always smaller
static boolean	aLessThanB(org.apache.commons.lang.enums.ValuedEnum a, org.apache.commons.lang.enums.ValuedEnum b) checks whether the value of an enum is less than another null is always smaller
static org.apache.commons.lang.enums.ValuedEnum	getEnumIgnoreCase(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> clazz, java.lang.Enum<?> e) get enum ignoring case
static org.apache.commons.lang.enums.ValuedEnum	getEnumIgnoreCase(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> clazz, java.lang.String s)
static java.lang.String	getEnumName(org.apache.commons.lang.enums.ValuedEnum en) null save convenience name getter
static java.util.Vector<org.apache.commons.lang.enums.ValuedEnum>	getEnumsVector(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> e) get a vector of elements in an iteration
static java.lang.String	getName(org.apache.commons.lang.enums.ValuedEnum en) null save convenience name getter
static StringArray	getNamesList(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> e) get a vector of names in an iteration
static VString	getNamesVector(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> e) get a vector of names in an iteration
static org.apache.commons.lang.enums.ValuedEnum	max(org.apache.commons.lang.enums.ValuedEnum e1, org.apache.commons.lang.enums.ValuedEnum e2) get the higher of two enum values, null is lowest
static org.apache.commons.lang.enums.ValuedEnum	min(org.apache.commons.lang.enums.ValuedEnum e1, org.apache.commons.lang.enums.ValuedEnum e2) get the lower of two enum values, null is lowest

Methods inherited from class java.lang.Object

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

Constructor Detail

EnumUtil

public EnumUtil()

Method Detail

getNamesVector

public static VString getNamesVector(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> e)

get a vector of names in an iteration

Parameters:

e - any member of the enum to iterate over

Returns:

VString - the vector of enum names

getNamesList

public static StringArray getNamesList(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> e)

get a vector of names in an iteration

Parameters:

e - any member of the enum to iterate over

Returns:

VString - the vector of enum names

getEnumsVector

public static java.util.Vector<org.apache.commons.lang.enums.ValuedEnum> getEnumsVector(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> e)

get a vector of elements in an iteration

Parameters:

e - any member of the enum to iterate over

Returns:

Vector - the vector of enum instances

min

public static org.apache.commons.lang.enums.ValuedEnum min(org.apache.commons.lang.enums.ValuedEnum e1,
                                                           org.apache.commons.lang.enums.ValuedEnum e2)

get the lower of two enum values, null is lowest

Parameters:

e1 -

e2 -

Returns:

the lower of the two values

max

public static org.apache.commons.lang.enums.ValuedEnum max(org.apache.commons.lang.enums.ValuedEnum e1,
                                                           org.apache.commons.lang.enums.ValuedEnum e2)

get the higher of two enum values, null is lowest

Parameters:

e1 -

e2 -

Returns:

the higher of the two values

getName

public static java.lang.String getName(org.apache.commons.lang.enums.ValuedEnum en)

null save convenience name getter

Parameters:

en - the enum to get the name of the class

Returns:

getEnumName

public static java.lang.String getEnumName(org.apache.commons.lang.enums.ValuedEnum en)

null save convenience name getter

Parameters:

en - the enum to get the name

Returns:

aLessThanB

public static boolean aLessThanB(org.apache.commons.lang.enums.ValuedEnum a,
                                 org.apache.commons.lang.enums.ValuedEnum b)

checks whether the value of an enum is less than another
null is always smaller

Parameters:

a - the first enum; if this is smaller we return true

b - the second enum

Returns:

boolean a is < b

aLessEqualsThanB

public static boolean aLessEqualsThanB(org.apache.commons.lang.enums.ValuedEnum a,
                                       org.apache.commons.lang.enums.ValuedEnum b)

checks whether the value of an enum is less or equal to another
null is always smaller

Parameters:

a - the first enum; if this is smaller we return true

b - the second enum

Returns:

boolean a is <= b

getEnumIgnoreCase

public static org.apache.commons.lang.enums.ValuedEnum getEnumIgnoreCase(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> clazz,
                                                                         java.lang.Enum<?> e)

get enum ignoring case

Parameters:

clazz - the jdflib valued enum class

e - the enum

Returns:

getEnumIgnoreCase

public static org.apache.commons.lang.enums.ValuedEnum getEnumIgnoreCase(java.lang.Class<? extends org.apache.commons.lang.enums.ValuedEnum> clazz,
                                                                         java.lang.String s)

Parameters:

clazz -

s -

Returns: