ua.gradsoft.termware.util
Class JavaLangReflectHelper

java.lang.Object
  ua.gradsoft.termware.util.JavaLangReflectHelper

public class JavaLangReflectHelper
extends Object

Helper class for work with java language reflection interfaces.

Constructor Summary

JavaLangReflectHelper()

Method Summary

static Method	findClassMethodByNameAndArity(Class objectClass, String name, int arity) find method in class objectClass or it superclass with given name and arity.
static List<Class>	getAllSuperClasses(Class aClass)
static List<Class<?>>	getAllSuperInterfaces(Class<?> aClass)
static Class	getBigDecimalClass()
static Class	getBigIntegerClass()
static Class	getCharacterClass()
static Object[]	getEmptyArray()
static Class	getObjectArrayClass()
static Class	getStringClass()
static Object	instantiateObject(String className) instantiate Object with given class name using empty constructor
static Object	instantiateObject(String className, Class argClass, Object arg) instantiate object with given class name, using constructor with one argument of class argClass.
static Object	invokeObjectMethod(Object o, Method m)
static Object	invokeObjectMethod(Object o, Method m, Object[] arguments)

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaLangReflectHelper

public JavaLangReflectHelper()

Method Detail

getStringClass

public static final Class getStringClass()

getCharacterClass

public static final Class getCharacterClass()

getBigIntegerClass

public static final Class getBigIntegerClass()

getBigDecimalClass

public static final Class getBigDecimalClass()

getObjectArrayClass

public static final Class getObjectArrayClass()

getEmptyArray

public static final Object[] getEmptyArray()

getAllSuperInterfaces

public static final List<Class<?>> getAllSuperInterfaces(Class<?> aClass)

getAllSuperClasses

public static final List<Class> getAllSuperClasses(Class aClass)

instantiateObject

public static Object instantiateObject(String className)
                                throws InvocationException

instantiate Object with given class name using empty constructor

Throws:

InvocationException

instantiateObject

public static Object instantiateObject(String className,
                                       Class argClass,
                                       Object arg)
                                throws InvocationException

instantiate object with given class name, using constructor with one argument of class argClass.

Throws:

InvocationException

findClassMethodByNameAndArity

public static Method findClassMethodByNameAndArity(Class objectClass,
                                                   String name,
                                                   int arity)
                                            throws JavaMethodNotFoundException

find method in class objectClass or it superclass with given name and arity. Method in result have name name and number of arguments arity or arity+1 . If number of parameters is arity+1 then first parameter have type TransformationContext .

Returns:

method with matching name and arity.

Throws:

JavaMethodNotFoundException - if such method does not exists.

invokeObjectMethod

public static Object invokeObjectMethod(Object o,
                                        Method m)
                                 throws InvocationException

Throws:

InvocationException

invokeObjectMethod

public static Object invokeObjectMethod(Object o,
                                        Method m,
                                        Object[] arguments)
                                 throws InvocationException

Throws:

InvocationException