Package net.orbyfied.j8.util

Class ReflectionUtil

java.lang.Object

net.orbyfied.j8.util.ReflectionUtil

public class ReflectionUtil
extends Object

Utilities for working with reflection safely.

Constructor Summary

Constructors

Constructor	Description
ReflectionUtil()

Method Summary

Modifier and Type	Method	Description
static Class<?>	getCallerClass(int off)	Get the caller class at the provided offset.
static StackTraceElement	getCallerFrame(int off)	Get the caller stack trace element at the provided offset.
static StackTraceElement	getCallerFrame(int off, Predicate<StackTraceElement> pred)
static Class<?>	getClassSafe(String name)
static Constructor<?>	getDeclaredConstructorSafe(Class<?> klass, Class... argTypes)
static Field	getDeclaredFieldSafe(Class<?> klass, String name)
static Method	getDeclaredMethodSafe(Class<?> klass, String name, Class... argTypes)
static void	internalWalkParents(Class<?> klass, Predicate<Class<?>> pred, BiConsumer<Integer,Class<?>> consumer, int depth)
static <T> T	invokeSafe(Method m, Object on, Object... args)
static <T> T	newInstance(Constructor<?> c, Object... args)
static void	printCallTree()
static void	printCallTree(int off)
static void	printCallTree(PrintStream out)
static void	printCallTree(PrintStream out, int off)
static void	printParentTree(PrintStream out, Class<?> klass)
static void	printParentTree(Class<?> klass)
static <T> T	queryFieldSafe(Object on, Field f)
static void	setFieldSafe(Object on, Field f, Object val)
static void	walkParents(Class<?> klass, Predicate<Class<?>> pred, BiConsumer<Integer,Class<?>> consumer)
static void	walkParents(Class<?> klass, Predicate<Class<?>> pred, Consumer<Class<?>> consumer)

Methods inherited from class java.lang.Object

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

Constructor Details

ReflectionUtil

public ReflectionUtil()

Method Details

getCallerClass

public static Class<?> getCallerClass(int off)

Get the caller class at the provided offset.

Parameters:

off - The offset into the call stack.

Returns:

The caller class.

See Also:

• getCallerFrame(int)

getCallerFrame

public static StackTraceElement getCallerFrame(int off)

Get the caller stack trace element at the provided offset.

Parameters:

off - The offset into the call stack.

Returns:

The stack trace element.

getCallerFrame

public static StackTraceElement getCallerFrame(int off,
 Predicate<StackTraceElement> pred)

walkParents

public static void walkParents(Class<?> klass,
 Predicate<Class<?>> pred,
 Consumer<Class<?>> consumer)

walkParents

public static void walkParents(Class<?> klass,
 Predicate<Class<?>> pred,
 BiConsumer<Integer,Class<?>> consumer)

internalWalkParents

public static void internalWalkParents(Class<?> klass,
 Predicate<Class<?>> pred,
 BiConsumer<Integer,Class<?>> consumer,
 int depth)

printParentTree

public static void printParentTree(PrintStream out,
 Class<?> klass)

printParentTree

public static void printParentTree(Class<?> klass)

printCallTree

public static void printCallTree(PrintStream out,
 int off)

printCallTree

public static void printCallTree()

printCallTree

public static void printCallTree(int off)

printCallTree

public static void printCallTree(PrintStream out)

getClassSafe

public static Class<?> getClassSafe(String name)

getDeclaredFieldSafe

public static Field getDeclaredFieldSafe(Class<?> klass,
 String name)

getDeclaredMethodSafe

public static Method getDeclaredMethodSafe(Class<?> klass,
 String name,
 Class... argTypes)

getDeclaredConstructorSafe

public static Constructor<?> getDeclaredConstructorSafe(Class<?> klass,
 Class... argTypes)

queryFieldSafe

public static <T> T queryFieldSafe(Object on,
 Field f)

setFieldSafe

public static void setFieldSafe(Object on,
 Field f,
 Object val)

invokeSafe

public static <T> T invokeSafe(Method m,
 Object on,
 Object... args)

newInstance

public static <T> T newInstance(Constructor<?> c,
 Object... args)