org.apache.myfaces.util

Class ArrayUtils

public class ArrayUtils extends Object

Utility class for managing arrays

Version: $Revision: 169655 $ $Date: 2005-05-11 18:45:06 +0200 (Wed, 11 May 2005) $

Author: Anton Koinov (latest modification by $Author: grantsmith $)

Field Summary
static Object[]EMPTY_OBJECT_ARRAY
static String[]EMPTY_STRING_ARRAY
Constructor Summary
protected ArrayUtils()
Method Summary
static ClasscommonClass(Class c1, Class c2)
static Objectconcat(Object arr1, Object arr2)
Concatenates two arrays into one.
static Objectconcat(Object[] arrs)
Concatenates arrays into one.
static Objectconcat(Object toArray, int totalLen, Object[] arrs)
static Objectconcat(Object arr1, Object arr2, Object arr3)
static Objectconcat(Object arr1, Object arr2, Object arr3, Object arr4)
static Objectconcat(Object arr1, Object arr2, Object arr3, Object arr4, Object arr5)
static ObjectconcatSameType(Object toArray, Object[] arrs)
static booleancontains(Object[] array, Object value)

Field Detail

EMPTY_OBJECT_ARRAY

public static final Object[] EMPTY_OBJECT_ARRAY

EMPTY_STRING_ARRAY

public static final String[] EMPTY_STRING_ARRAY

Constructor Detail

ArrayUtils

protected ArrayUtils()

Method Detail

commonClass

public static Class commonClass(Class c1, Class c2)

concat

public static Object concat(Object arr1, Object arr2)
Concatenates two arrays into one. If arr1 is null or empty, returns arr2. If arr2 is null or empty, returns arr1. May return null if both arrays are null, or one is empty and the other null.
The concatenated array has componentType which is compatible with both input arrays (or Object[])

Parameters: arr1 input array arr2 input array

Returns: Object the concatenated array, elements of arr1 first

concat

public static Object concat(Object[] arrs)
Concatenates arrays into one. Any null or empty arrays are ignored. If all arrays are null or empty, returns null. Elements will be ordered in the order in which the arrays are supplied.

Parameters: arrs array of arrays

Returns: the concatenated array

concat

public static Object concat(Object toArray, int totalLen, Object[] arrs)

concat

public static Object concat(Object arr1, Object arr2, Object arr3)

concat

public static Object concat(Object arr1, Object arr2, Object arr3, Object arr4)

concat

public static Object concat(Object arr1, Object arr2, Object arr3, Object arr4, Object arr5)

concatSameType

public static Object concatSameType(Object toArray, Object[] arrs)

contains

public static boolean contains(Object[] array, Object value)