org.milyn.assertion

Class AssertArgument

java.lang.Object

org.milyn.assertion.AssertArgument

public abstract class AssertArgument
extends Object

Argument assertion utilities.

Author:

tfennelly

Constructor Summary

Constructors

Constructor and Description
AssertArgument()

Method Summary

Modifier and Type	Method and Description
static void	isInstanceOf(Object arg, Class<?> clazz, String argName) Assert that the argument is an instance of the specified class.
static void	isNotEmpty(String arg, String argName) Assert that the argument is not empty.
static void	isNotNull(Object arg, String argName) Assert that the argument is not null.
static void	isNotNullAndNotEmpty(Collection<?> arg, String argName) Assert that the argument is neither null nor empty.
static void	isNotNullAndNotEmpty(Map<?,?> arg, String argName) Assert that the argument is neither null nor empty.
static void	isNotNullAndNotEmpty(Object[] arg, String argName) Assert that the argument is neither null nor empty.
static void	isNotNullAndNotEmpty(String arg, String argName) Assert that the argument is neither null nor empty.

Methods inherited from class java.lang.Object

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

Constructor Detail

AssertArgument

public AssertArgument()

Method Detail

isNotNull

public static void isNotNull(Object arg,
                             String argName)
                      throws IllegalArgumentException

Assert that the argument is not null.

Parameters:

arg - Argument.

argName - Argument name.

Throws:

IllegalArgumentException - Argument is null.

isNotEmpty

public static void isNotEmpty(String arg,
                              String argName)
                       throws IllegalArgumentException

Assert that the argument is not empty.

Parameters:

arg - Argument.

argName - Argument name.

Throws:

IllegalArgumentException - Argument is not null, but is empty.

isNotNullAndNotEmpty

public static void isNotNullAndNotEmpty(String arg,
                                        String argName)
                                 throws IllegalArgumentException

Assert that the argument is neither null nor empty.

Parameters:

arg - Argument.

argName - Argument name.

Throws:

IllegalArgumentException - Argument is null or empty.

isNotNullAndNotEmpty

public static void isNotNullAndNotEmpty(Object[] arg,
                                        String argName)
                                 throws IllegalArgumentException

Assert that the argument is neither null nor empty.

Parameters:

arg - Argument.

argName - Argument name.

Throws:

IllegalArgumentException - Argument is null or empty.

isNotNullAndNotEmpty

public static void isNotNullAndNotEmpty(Collection<?> arg,
                                        String argName)
                                 throws IllegalArgumentException

Assert that the argument is neither null nor empty.

Parameters:

arg - Argument.

argName - Argument name.

Throws:

IllegalArgumentException - Argument is null or empty.

isNotNullAndNotEmpty

public static void isNotNullAndNotEmpty(Map<?,?> arg,
                                        String argName)
                                 throws IllegalArgumentException

Assert that the argument is neither null nor empty.

Parameters:

arg - Argument.

argName - Argument name.

Throws:

IllegalArgumentException - Argument is null or empty.

isInstanceOf

public static void isInstanceOf(Object arg,
                                Class<?> clazz,
                                String argName)
                         throws IllegalArgumentException

Assert that the argument is an instance of the specified class.

Parameters:

arg - Argument.

clazz - The Class type to check.

argName - Argument name.

Throws:

IllegalArgumentException - Argument is null or empty.