org.eclipse.keyple.core.util

Class Assert

java.lang.Object

org.eclipse.keyple.core.util.Assert

public final class Assert
extends java.lang.Object

Exposes useful methods for testing method call parameters and raising a IllegalArgumentException unchecked exception.

Since:

0.9

Method Summary

Modifier and Type	Method and Description
static Assert	getInstance() Gets the unique instance.
Assert	greaterOrEqual(java.lang.Integer number, int minValue, java.lang.String name) Assert that an integer is not null and is greater than or equal to minValue.
Assert	isEqual(java.lang.Integer number, int value, java.lang.String name) Assert that an integer is equal to value.
Assert	isInRange(java.lang.Integer number, int minValue, int maxValue, java.lang.String name) Assert that an integer is not null and is in the range minValue, maxValue.
Assert	isTrue(java.lang.Boolean condition, java.lang.String name) Assert that a condition is true.
Assert	notEmpty(byte[] obj, java.lang.String name) Assert that a byte array is not null and not empty.
Assert	notEmpty(java.util.List<? extends java.lang.Object> obj, java.lang.String name) Assert that a list of objects is not null and not empty.
Assert	notEmpty(java.lang.String obj, java.lang.String name) Assert that the input string is not null and not empty.
Assert	notNull(java.lang.Object obj, java.lang.String name) Assert that the input object is not null.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Assert getInstance()

Gets the unique instance.

Returns:

the instance

notNull

public Assert notNull(java.lang.Object obj,
                      java.lang.String name)

Assert that the input object is not null.

Parameters:

obj - the object to check

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if object is null

Since:

0.9

notEmpty

public Assert notEmpty(java.lang.String obj,
                       java.lang.String name)

Assert that the input string is not null and not empty.

Parameters:

obj - the object to check

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if object is null or empty

Since:

0.9

notEmpty

public Assert notEmpty(java.util.List<? extends java.lang.Object> obj,
                       java.lang.String name)

Assert that a list of objects is not null and not empty.

Parameters:

obj - the object to check

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if object is null or empty

Since:

0.9

notEmpty

public Assert notEmpty(byte[] obj,
                       java.lang.String name)

Assert that a byte array is not null and not empty.

Parameters:

obj - the object to check

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if object is null or empty

Since:

0.9

isTrue

public Assert isTrue(java.lang.Boolean condition,
                     java.lang.String name)

Assert that a condition is true.

Parameters:

condition - the condition to check

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if condition is null or false

Since:

0.9

greaterOrEqual

public Assert greaterOrEqual(java.lang.Integer number,
                             int minValue,
                             java.lang.String name)

Assert that an integer is not null and is greater than or equal to minValue.

Parameters:

number - the number to check

minValue - the min accepted value

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if number is null or has a value less than minValue.

Since:

0.9

isEqual

public Assert isEqual(java.lang.Integer number,
                      int value,
                      java.lang.String name)

Assert that an integer is equal to value.

Parameters:

number - the number to check

value - the expected value

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if number is null or has a value less than minValue.

Since:

0.9

isInRange

public Assert isInRange(java.lang.Integer number,
                        int minValue,
                        int maxValue,
                        java.lang.String name)

Assert that an integer is not null and is in the range minValue, maxValue.

Parameters:

number - the number to check

minValue - the min accepted value

maxValue - the max accepted value

name - the object name

Returns:

the current instance

Throws:

java.lang.IllegalArgumentException - if number is null or is out of range.

Since:

0.9