com.edorasware.commons.core.util

Class Assert

java.lang.Object

com.edorasware.commons.core.util.Assert

public abstract class Assert
extends Object

Provides utility methods for assertions in production code at runtime.

Method Summary

Modifier and Type	Method and Description
static void	isTrue(boolean condition, String message) Throws an exception if the given precondition is not met.
static void	notNull(String valueName, Object value) Throws an exception if the given value is null.
static String	parameterNotEmpty(String parameterName, String parameterValue) Throws an exception if the given parameter value is null or empty.
static <T> T	parameterNotNull(String parameterName, T parameterValue) Throws an exception if the given parameter value is null.
static String	propertyNotEmpty(String propertyName, String propertyValue) Throws an exception if the given property value is null or empty.
static <T> T	propertyNotNull(String propertyName, T propertyValue) Throws an exception if the given property value is null.

Methods inherited from class java.lang.Object

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

Method Detail

parameterNotNull

public static <T> T parameterNotNull(String parameterName,
                                     T parameterValue)
                              throws IllegalArgumentException

Throws an exception if the given parameter value is null.

Type Parameters:

T - the type of the parameter

Parameters:

parameterName - the name of the parameter to investigate

parameterValue - the parameter value to investigate

Returns:

the parameter value

Throws:

IllegalArgumentException - thrown if the parameter value is null

parameterNotEmpty

public static String parameterNotEmpty(String parameterName,
                                       String parameterValue)
                                throws IllegalArgumentException

Throws an exception if the given parameter value is null or empty.

Parameters:

parameterName - the name of the parameter to investigate

parameterValue - the parameter value to investigate

Returns:

the parameter value

Throws:

IllegalArgumentException - thrown if the parameter value is null or empty

propertyNotNull

public static <T> T propertyNotNull(String propertyName,
                                    T propertyValue)
                             throws IllegalArgumentException

Throws an exception if the given property value is null.

Type Parameters:

T - the type of the property

Parameters:

propertyName - the name of the property to investigate

propertyValue - the property value to investigate

Returns:

the property value

Throws:

IllegalArgumentException - thrown if the property value is null

propertyNotEmpty

public static String propertyNotEmpty(String propertyName,
                                      String propertyValue)
                               throws IllegalArgumentException

Throws an exception if the given property value is null or empty.

Parameters:

propertyName - the name of the property to investigate

propertyValue - the property value to investigate

Returns:

the property value

Throws:

IllegalArgumentException - thrown if the property value is null or empty

notNull

public static void notNull(String valueName,
                           Object value)
                    throws IllegalArgumentException

Throws an exception if the given value is null.

Parameters:

valueName - the name of the value to investigate

value - the value to investigate

Throws:

AssertionError - thrown if the value is null

IllegalArgumentException

isTrue

public static void isTrue(boolean condition,
                          String message)

Throws an exception if the given precondition is not met.

Parameters:

condition - the result of the precondition check

message - the message to be shown if the precondition is not met

Throws:

AssertionError - thrown if the precondition is not met