Module org.apache.wicket.util

Package org.apache.wicket.util.lang

Class Checks

java.lang.Object

org.apache.wicket.util.lang.Checks

public class Checks
extends Object

Constructor Summary

Constructors

Constructor	Description
Checks()

Method Summary

Modifier and Type	Method	Description
static void	notEmpty(String argument, String message, Object... params)	Checks argument is not empty (not null and has a non-whitespace character)
static void	notEmptyShort(String argument, String name)	Checks argument is not empty (not null and has a non-whitespace character)
static void	notNull(Object argument, String message, Object... params)	Checks value is not null
static void	notNullShort(Object argument, String name)	Checks value is not null
static <T extends Comparable<? super T>> void	withinRange(T min, T max, T value, String message)	Checks if argument is within a range
static <T extends Comparable<? super T>> void	withinRangeShort(T min, T max, T value, String name)	Checks if argument is within a range

Methods inherited from class java.lang.Object

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

Constructor Details

Checks

public Checks()

Method Details

notNull

public static void notNull(Object argument,
 String message,
 Object... params)

Checks value is not null

Parameters:

argument -

message -

params -

Throws:

IllegalStateException

notEmpty

public static void notEmpty(String argument,
 String message,
 Object... params)

Checks argument is not empty (not null and has a non-whitespace character)

Parameters:

argument -

message -

params -

Throws:

IllegalStateException

withinRange

public static <T extends Comparable<? super T>>
void withinRange(T min,
 T max,
 T value,
 String message)

Checks if argument is within a range

Type Parameters:

T -

Parameters:

min -

max -

value -

message -

Throws:

IllegalStateException

notNullShort

public static void notNullShort(Object argument,
 String name)

Checks value is not null

Parameters:

argument -

name -

Throws:

IllegalStateException

notEmptyShort

public static void notEmptyShort(String argument,
 String name)

Checks argument is not empty (not null and has a non-whitespace character)

Parameters:

argument -

name -

Throws:

IllegalStateException

withinRangeShort

public static <T extends Comparable<? super T>>
void withinRangeShort(T min,
 T max,
 T value,
 String name)

Checks if argument is within a range

Type Parameters:

T -

Parameters:

min -

max -

value -

name -

Throws:

IllegalStateException