Package org.marketcetera.util.misc

Class ReflectUtils

java.lang.Object

org.marketcetera.util.misc.ReflectUtils

public final class ReflectUtils
extends Object

Utilities for reflection.

Since:

0.6.0

Version:

$Id: ReflectUtils.java 16154 2012-07-14 16:34:05Z colin $

Author:

tlerios@marketcetera.com

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ReflectUtils()	Constructor.

Method Summary

Modifier and Type	Method	Description
static Class<?>[]	getAllClasses(Class<?> c)	Returns all superclasses and interfaces of the given class, incl.
private static void	getAllClasses(Set<Class<?>> result, Class<?> c)	Auguments the given set with all superclasses and interfaces of the given class, incl.
static Field[]	getAllFields(Class<?> c)	Returns all fields of the given class, incl.
static Object	getInstance(String cName, Class<?>[] paramTypes, Object[] paramValues)	Returns an instance of the class by the given name, using its constructor with the given parameter types, and invoked using the given parameters.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectUtils

private ReflectUtils()

Constructor. It is private so that no instances can be created.

Method Detail

getAllClasses

private static void getAllClasses(Set<Class<?>> result,
                                  Class<?> c)

Auguments the given set with all superclasses and interfaces of the given class, incl. the class itself.

Parameters:

result - The set.

c - The class.

getAllClasses

public static Class<?>[] getAllClasses(Class<?> c)

Returns all superclasses and interfaces of the given class, incl. the class itself.

Parameters:

c - The class.

Returns:

The classes and interfaces.

getAllFields

public static Field[] getAllFields(Class<?> c)

Returns all fields of the given class, incl. those in the class itself, its superclasses and interfaces.

Parameters:

c - The class.

Returns:

The fields.

getInstance

public static Object getInstance(String cName,
                                 Class<?>[] paramTypes,
                                 Object[] paramValues)
                          throws ClassNotFoundException,
                                 IllegalAccessException,
                                 InstantiationException,
                                 NoSuchMethodException,
                                 InvocationTargetException

Returns an instance of the class by the given name, using its constructor with the given parameter types, and invoked using the given parameters. It interrupts the current thread if the constructor throws an interruption exception per ExceptUtils.isInterruptException(Throwable).

Parameters:

cName - The class name.

paramTypes - The constructor parameter types.

paramValues - The constructor parameters.

Returns:

The instance.

Throws:

ClassNotFoundException - Thrown if a reflection failure occurs.

IllegalAccessException - Thrown if a reflection failure occurs.

InstantiationException - Thrown if a reflection failure occurs.

NoSuchMethodException - Thrown if a reflection failure occurs.

InvocationTargetException - Thrown if a reflection failure occurs.