io.github.wysohn.triggerreactor.tools

Class ReflectionUtil

java.lang.Object

io.github.wysohn.triggerreactor.tools.ReflectionUtil

public class ReflectionUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
ReflectionUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	checkMatch(Class<?> parameterType, Object arg)
static Object	constructNew(Class<?> clazz, Object... args)
static Map<String,Object>	extractVariables(Object e) extract all possible field values.
static Map<String,Object>	extractVariablesWithEnumAsString(Object e)
static List<String>	getAllClasses(ClassLoader cl, String packageName)
static List<Field>	getAllFields(List<Field> fields, Class<?> c) http://stackoverflow.com/questions/1042798/retrieving-the-inherited-attribute-names-values-using-java-reflection
static List<Field>	getAllPublicFields(List<Field> fields, Class<?> c)
static List<Method>	getAllPublicMethods(List<Method> methods, Class<?> c)
static Object	getField(Class<?> clazz, Object obj, String fieldName)
static Object	getField(Object obj, String fieldName)
static Object	invokeMethod(Class<?> clazz, Object obj, String methodName, Object... args)
static Object	invokeMethod(Object obj, String methodName, Object... args)
static void	setField(Object obj, String fieldName, Object value)
static void	setFinalField(Class<?> clazz, Object obj, String fieldName, Object value)
static void	setFinalField(Object obj, String fieldName, Object value)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReflectionUtil

public ReflectionUtil()

Method Detail

setField

public static void setField(Object obj,
                            String fieldName,
                            Object value)
                     throws NoSuchFieldException,
                            IllegalArgumentException

Throws:

NoSuchFieldException

IllegalArgumentException

setFinalField

public static void setFinalField(Object obj,
                                 String fieldName,
                                 Object value)
                          throws NoSuchFieldException

Throws:

NoSuchFieldException

setFinalField

public static void setFinalField(Class<?> clazz,
                                 Object obj,
                                 String fieldName,
                                 Object value)
                          throws NoSuchFieldException

Throws:

NoSuchFieldException

getField

public static Object getField(Object obj,
                              String fieldName)
                       throws NoSuchFieldException,
                              IllegalArgumentException

Throws:

NoSuchFieldException

IllegalArgumentException

getField

public static Object getField(Class<?> clazz,
                              Object obj,
                              String fieldName)
                       throws NoSuchFieldException,
                              IllegalArgumentException

Throws:

NoSuchFieldException

IllegalArgumentException

invokeMethod

public static Object invokeMethod(Class<?> clazz,
                                  Object obj,
                                  String methodName,
                                  Object... args)
                           throws NoSuchMethodException,
                                  IllegalArgumentException,
                                  InvocationTargetException,
                                  IllegalAccessException

Throws:

NoSuchMethodException

IllegalArgumentException

InvocationTargetException

IllegalAccessException

checkMatch

public static boolean checkMatch(Class<?> parameterType,
                                 Object arg)

invokeMethod

public static Object invokeMethod(Object obj,
                                  String methodName,
                                  Object... args)
                           throws NoSuchMethodException,
                                  IllegalArgumentException,
                                  InvocationTargetException,
                                  IllegalAccessException

Throws:

NoSuchMethodException

IllegalArgumentException

InvocationTargetException

IllegalAccessException

extractVariables

public static Map<String,Object> extractVariables(Object e)

extract all possible field values. Primitive types will be 'copied,' and reference types can be referenced.

Parameters:

e -

Returns:

extractVariablesWithEnumAsString

public static Map<String,Object> extractVariablesWithEnumAsString(Object e)

getAllFields

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

http://stackoverflow.com/questions/1042798/retrieving-the-inherited-attribute-names-values-using-java-reflection

Parameters:

fields -

c -

Returns:

getAllPublicFields

public static List<Field> getAllPublicFields(List<Field> fields,
                                             Class<?> c)

getAllPublicMethods

public static List<Method> getAllPublicMethods(List<Method> methods,
                                               Class<?> c)

getAllClasses

public static List<String> getAllClasses(ClassLoader cl,
                                         String packageName)

constructNew

public static Object constructNew(Class<?> clazz,
                                  Object... args)
                           throws NoSuchMethodException,
                                  InstantiationException,
                                  IllegalArgumentException,
                                  IllegalAccessException

Throws:

NoSuchMethodException

InstantiationException

IllegalArgumentException

IllegalAccessException