com.arsdigita.util
Class Classes

java.lang.Object
  com.arsdigita.util.Classes

public final class Classes

extends Object

A collection of static utility methods for dealing with Java classes.

Author:

Justin Ross

Field Summary

static String

versionId

Constructor Summary

Classes()

Method Summary

static Class	loadClass(String clacc) Loads a class from its fully qualified string name.
static Object	newInstance(Class clacc) Creates a new instance of clacc using its no-args constructor.
static Object	newInstance(Class clacc, Class[] params, Object[] values) Constructs a new instance of a class using the given parameters.
static Object	newInstance(String clacc) Creates a new instance of the class represented by clacc using its no-args constructor.
static Object	newInstance(String clacc, Class[] params, Object[] values) Constructs a new instance of the class referred to by clacc.

Methods inherited from class java.lang.Object

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

Field Detail

versionId

public static final String versionId

See Also:

Constant Field Values

Constructor Detail

Classes

public Classes()

Method Detail

loadClass

public static final Class loadClass(String clacc)

Loads a class from its fully qualified string name.

Parameters:

clacc - A fully qualified String naming the class to be loaded

newInstance

public static final Object newInstance(Class clacc,
                                       Class[] params,
                                       Object[] values)

Constructs a new instance of a class using the given parameters.

Parameters:

clacc - The Class of which to make a new instance

params - A Class[] representing the arguments of the desired constructor

values - An Object[] of values to fill the parameters

newInstance

public static final Object newInstance(String clacc,
                                       Class[] params,
                                       Object[] values)

Constructs a new instance of the class referred to by clacc.

Parameters:

clacc - The fully qualified String clacc of the object you wish to instantiate

params - A Class[] representing the arguments of the desired constructor

values - An Object[] of values to fill the parameters

newInstance

public static final Object newInstance(Class clacc)

Creates a new instance of clacc using its no-args constructor. If the class has no such constructor, it throws a runtime exception.

Parameters:

clacc - The class of which to create a new instance

newInstance

public static final Object newInstance(String clacc)

Creates a new instance of the class represented by clacc using its no-args constructor. If the class has no such constructor, it throws a runtime exception.

Parameters:

clacc - The fully-qualified String name of the class