Class Reflector

java.lang.Object

com.googlecode.aviator.utils.Reflector

public class Reflector
extends Object

Some code is copied from https://github.com/clojure/clojure/blob/master/src/jvm/clojure/lang/Reflector.java

Author:

dennis(killme2008@gmail.com)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Reflector.PropertyType
static class	Reflector.Target

Field Summary

Fields

Modifier and Type	Field	Description
static ConcurrentHashMap<Class<?>, Reference<Map<String, com.googlecode.aviator.utils.Reflector.PropertyFoundResult>>>	cachedMethods	static method caching
static ConcurrentHashMap<Class<?>, Reference<Map<String, com.googlecode.aviator.utils.Reflector.PropertyFoundResult>>>	cachedProperties	static and instance fields property caching
static ConcurrentHashMap<Class<?>, Reference<Map<String, com.googlecode.aviator.utils.Reflector.PropertyFoundResult>>>	cachedSettters	instance fields setter caching.

Constructor Summary

Constructors

Constructor	Description
Reflector()

Method Summary

Modifier and Type	Method	Description
static Object	boxArg(Class<?> paramType, Object arg)
static Object[]	boxArgs(Class<?>[] params, Object[] args)
static StringBuilder	capitalize(StringBuilder sb, String s)
static Object	fastGetProperty(Object obj, String name, Reflector.PropertyType type)
static Object	fastGetProperty(String name, String[] names, Map<String,Object> env, Reflector.Target target, boolean tryResolveStaticMethod, int offset, int len)
static Map<String, List<Method>>	findMethodsFromClass(Class<?> clazz, boolean isStatic)
static List<Method>	getInstanceMethods(Class<?> clazz, String methodName)
static Object	getProperty(Object target, String name)
static List<Method>	getStaticMethods(Class<?> c, String methodName)
static Object	invokeInstanceMethod(Class<?> c, String methodName, Object target, List<Method> methods, Object[] args)
static Object	invokeStaticMethod(Class<?> c, String methodName, List<Method> methods, Object[] args)
static boolean	isCongruent(Class<?>[] params, Object[] args)
static boolean	paramArgTypeMatch(Class<?> paramType, Class<?> argType)
static void	setProperty(Map<String,Object> env, String name, Object val)
static RuntimeException	sneakyThrow(Throwable t)	Throw even checked exceptions without being required to declare them or catch them.
static boolean	subsumes(Class<?>[] c1, Class<?>[] c2)
static Object	throwNoSuchPropertyException(String msg)

Methods inherited from class Object

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

Field Details

cachedProperties

public static ConcurrentHashMap<Class<?>, Reference<Map<String, com.googlecode.aviator.utils.Reflector.PropertyFoundResult>>> cachedProperties

static and instance fields property caching

cachedSettters

public static ConcurrentHashMap<Class<?>, Reference<Map<String, com.googlecode.aviator.utils.Reflector.PropertyFoundResult>>> cachedSettters

instance fields setter caching.

cachedMethods

public static ConcurrentHashMap<Class<?>, Reference<Map<String, com.googlecode.aviator.utils.Reflector.PropertyFoundResult>>> cachedMethods

static method caching

Constructor Details

Reflector

public Reflector()

Method Details

sneakyThrow

public static RuntimeException sneakyThrow(Throwable t)

Throw even checked exceptions without being required to declare them or catch them. Suggested idiom:

throw sneakyThrow( some exception );

subsumes

public static boolean subsumes(Class<?>[] c1,
 Class<?>[] c2)

capitalize

public static StringBuilder capitalize(StringBuilder sb,
 String s)

fastGetProperty

public static Object fastGetProperty(Object obj,
 String name,
 Reflector.PropertyType type)

throwNoSuchPropertyException

public static Object throwNoSuchPropertyException(String msg)

getStaticMethods

public static List<Method> getStaticMethods(Class<?> c,
 String methodName)

getInstanceMethods

public static List<Method> getInstanceMethods(Class<?> clazz,
 String methodName)

invokeStaticMethod

public static Object invokeStaticMethod(Class<?> c,
 String methodName,
 List<Method> methods,
 Object[] args)

invokeInstanceMethod

public static Object invokeInstanceMethod(Class<?> c,
 String methodName,
 Object target,
 List<Method> methods,
 Object[] args)

boxArg

public static Object boxArg(Class<?> paramType,
 Object arg)

boxArgs

public static Object[] boxArgs(Class<?>[] params,
 Object[] args)

paramArgTypeMatch

public static boolean paramArgTypeMatch(Class<?> paramType,
 Class<?> argType)

isCongruent

public static boolean isCongruent(Class<?>[] params,
 Object[] args)

getProperty

public static Object getProperty(Object target,
 String name)

setProperty

public static void setProperty(Map<String,Object> env,
 String name,
 Object val)

fastGetProperty

public static Object fastGetProperty(String name,
 String[] names,
 Map<String,Object> env,
 Reflector.Target target,
 boolean tryResolveStaticMethod,
 int offset,
 int len)

findMethodsFromClass

public static Map<String, List<Method>> findMethodsFromClass(Class<?> clazz,
 boolean isStatic)