org.apache.jorphan.reflect

Class ClassTools

java.lang.Object

org.apache.jorphan.reflect.ClassTools

public class ClassTools
extends Object

Utility methods for handling dynamic access to classes.

Constructor Summary

Constructors

Constructor and Description
ClassTools()

Method Summary

Modifier and Type	Method and Description
static Object	construct(String className) Call no-args constructor for a class.
static Object	construct(String className, int parameter) Call a class constructor with an integer parameter
static Object	construct(String className, String parameter) Call a class constructor with an String parameter
static void	invoke(Object instance, String methodName) Invoke a public method on a class instance

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassTools

public ClassTools()

Method Detail

construct

public static Object construct(String className)
                        throws JMeterException

Call no-args constructor for a class.

Parameters:

className - name of the class to be constructed

Returns:

an instance of the class

Throws:

JMeterException - if class cannot be created

construct

public static Object construct(String className,
                               int parameter)
                        throws JMeterException

Call a class constructor with an integer parameter

Parameters:

className - name of the class to be constructed

parameter - the value to be used in the constructor

Returns:

an instance of the class

Throws:

JMeterException - if class cannot be created

construct

public static Object construct(String className,
                               String parameter)
                        throws JMeterException

Call a class constructor with an String parameter

Parameters:

className - the name of the class to construct

parameter - to be used for the construction of the class instance

Returns:

an instance of the class

Throws:

JMeterException - if class cannot be created

invoke

public static void invoke(Object instance,
                          String methodName)
                   throws SecurityException,
                          IllegalArgumentException,
                          JMeterException

Invoke a public method on a class instance

Parameters:

instance - object on which the method should be called

methodName - name of the method to be called

Throws:

SecurityException - if a security violation occurred while looking for the method

IllegalArgumentException - if the method parameters (none given) do not match the signature of the method

JMeterException - if something went wrong in the invoked method