ca.jeb.common.infra

Class JReflectionUtils

java.lang.Object

ca.jeb.common.infra.JReflectionUtils

public final class JReflectionUtils
extends Object

Utility class for running some reflection methods.

Method Summary

Modifier and Type	Method and Description
static List<Field>	getAllFields(List<Field> fields, Class<?> clazz) This static method will get ALL fields for this class, including any inherited ones.
static List<Method>	getAllMethods(List<Method> methods, Class<?> clazz) This static method will get ALL methods for this class, including any inherited ones.
static Method	getMethodByName(Class<?> clazz, String name) Retrieve a Method object with the provided name on the class, clazz.
static Object	runGetter(Object object, Field field) Execute a "getter" on the provided object for the given field.
static Object	runMethod(Object object, String method, Object... args) Use reflection to run/execute the method represented by "method", on the object object, given the list of args.
static Object	runSetter(Object object, String method, Object arg, Class<? extends Object> argClazz) Execute a "setter" on the provided object for the given method name.

Methods inherited from class java.lang.Object

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

Method Detail

runGetter

public static Object runGetter(Object object,
                               Field field)
                        throws IllegalAccessException,
                               IllegalArgumentException,
                               InvocationTargetException

Execute a "getter" on the provided object for the given field.

Parameters:

object - - The object to run the "getter" on

field - - The Field to retrieve data from

Returns:

Object - The value of the "getter"

Throws:

IllegalAccessException

IllegalArgumentException

InvocationTargetException

runSetter

public static Object runSetter(Object object,
                               String method,
                               Object arg,
                               Class<? extends Object> argClazz)
                        throws JException

Execute a "setter" on the provided object for the given method name.

Parameters:

object - - The Object to run the "setter" method

method - - The "setter" method name as a string

arg - - The Object argument to set

argClazz - - The Class type of the "setter" argument

Returns:

Object - Returns the object that is returned from this "setter", if any

Throws:

JException

runMethod

public static Object runMethod(Object object,
                               String method,
                               Object... args)
                        throws JException

Use reflection to run/execute the method represented by "method", on the object object, given the list of args.

Parameters:

object - - The object to execute the method against

method - - The method name

args - - All the arguments for this method

Returns:

Object - The value of executing this method, if any

Throws:

JException

getAllFields

public static List<Field> getAllFields(List<Field> fields,
                                       Class<?> clazz)

This static method will get ALL fields for this class, including any inherited ones.

Parameters:

fields - List<Field> - a list to use to add to

clazz - Class<?> - The Class to run the reflection on

Returns:

List<Field>

getAllMethods

public static List<Method> getAllMethods(List<Method> methods,
                                         Class<?> clazz)

This static method will get ALL methods for this class, including any inherited ones.

Parameters:

methods - List<Method>

clazz - Class<?> - The Class to run the reflection on

Returns:

List<Method>

getMethodByName

public static Method getMethodByName(Class<?> clazz,
                                     String name)

Retrieve a Method object with the provided name on the class, clazz.

Parameters:

clazz -

name -

Returns:

Method