Package org.eclipse.nebula.widgets.nattable.util

Class ObjectUtils

java.lang.Object

org.eclipse.nebula.widgets.nattable.util.ObjectUtils

public final class ObjectUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static <T> Collection<T>	asCollection(Iterator<T> iterator)	Transfers the given iterator to an unmodifiable collection.
static int[]	asIntArray(Collection<Integer> collection)
static <T> List<T>	asList(Collection<T> collection)
static <T> Collection<T>	asOrderedCollection(Iterator<T> iterator, Comparator<T> comparator)	Transfers the given iterator into an unmodifiable ordered collection based on the given comparator.
static <T> T	getFirstElement(List<T> list)
static <T> T	getLastElement(List<T> list)
static Date	getRandomDate()
static int	getRandomNumber()
static int	getRandomNumber(int max)
static boolean	isEmpty(String string)
static <T> boolean	isEmpty(Collection<T> collection)
static boolean	isNotEmpty(String string)
static <T> boolean	isNotEmpty(Collection<T> collection)
static boolean	isNotNull(Object object)
static boolean	isNull(Object object)
static <T> String	toString(Collection<T> collection)
static <T> String	toString(T[] array)

Methods inherited from class java.lang.Object

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

Method Detail

asCollection

public static <T> Collection<T> asCollection(Iterator<T> iterator)

Transfers the given iterator to an unmodifiable collection.

Type Parameters:

T - The type of the objects contained in the iterator.

Parameters:

iterator - The iterator to transfer.

Returns:

Contents of the iterator as an unmodifiable Collection.

asList

public static <T> List<T> asList(Collection<T> collection)

asIntArray

public static int[] asIntArray(Collection<Integer> collection)

asOrderedCollection

public static <T> Collection<T> asOrderedCollection(Iterator<T> iterator,
                                                    Comparator<T> comparator)

Transfers the given iterator into an unmodifiable ordered collection based on the given comparator.

Type Parameters:

T - The type of the objects contained in the iterator.

Parameters:

iterator - The iterator to transfer.

comparator - The comparator to order the collection.

Returns:

Contents of the iterator as an unmodifiable ordered Collection.

toString

public static <T> String toString(Collection<T> collection)

toString

public static <T> String toString(T[] array)

isEmpty

public static <T> boolean isEmpty(Collection<T> collection)

Type Parameters:

T - The type of objects in the collection.

Parameters:

collection - The collection to check.

Returns:

true if the given collection is null or empty.

isEmpty

public static boolean isEmpty(String string)

Parameters:

string - The string to check.

Returns:

true if the given string is null or empty.

isNotEmpty

public static boolean isNotEmpty(String string)

Parameters:

string - The string to check.

Returns:

true if the given string is not null and not empty.

isNotEmpty

public static <T> boolean isNotEmpty(Collection<T> collection)

Type Parameters:

T - The type of objects in the collection.

Parameters:

collection - The collection to check.

Returns:

true if the given collection is not null and not empty.

isNull

public static boolean isNull(Object object)

Parameters:

object - The object to check.

Returns:

true if the given object reference is null.

isNotNull

public static boolean isNotNull(Object object)

Parameters:

object - The object to check.

Returns:

true if the given object reference is not null.

getRandomDate

public static Date getRandomDate()

Returns:

a random Date

getRandomNumber

public static int getRandomNumber()

Returns:

4 digit random Integer number

getRandomNumber

public static int getRandomNumber(int max)

Parameters:

max - the upper bound (exclusive)

Returns:

random Integer number between 0 and parameter max

getLastElement

public static <T> T getLastElement(List<T> list)

getFirstElement

public static <T> T getFirstElement(List<T> list)