org.camunda.commons.utils
Class EnsureUtil

java.lang.Object
  org.camunda.commons.utils.EnsureUtil

public class EnsureUtil
extends Object

Author:

Stefan Hentschel.

Constructor Summary

EnsureUtil()

Method Summary

static void	ensureNotNull(String parameterName, Object value) Ensures that the parameter is not null.
static <T> T	ensureParamInstanceOf(String objectName, Object object, Class<T> type) Ensure the object is of a given type and return the casted object

Methods inherited from class java.lang.Object

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

Constructor Detail

EnsureUtil

public EnsureUtil()

Method Detail

ensureNotNull

public static void ensureNotNull(String parameterName,
                                 Object value)

Ensures that the parameter is not null.

Parameters:

parameterName - the parameter name

value - the value to ensure to be not null

Throws:

IllegalArgumentException - if the parameter value is null

ensureParamInstanceOf

public static <T> T ensureParamInstanceOf(String objectName,
                                          Object object,
                                          Class<T> type)

Ensure the object is of a given type and return the casted object

Parameters:

objectName - the name of the parameter

object - the parameter value

type - the expected type

Returns:

the parameter casted to the requested type

Throws:

IllegalArgumentException - in case object cannot be casted to type