com.fr.cert.token.lang

类 Classes

java.lang.Object

com.fr.cert.token.lang.Classes

public final class Classes
extends java.lang.Object

从以下版本开始:

0.1

方法概要

方法

限定符和类型	方法和说明
static java.lang.Class	forName(java.lang.String fqcn) Attempts to load the specified class name from the current thread's context class loader, then the current ClassLoader (Classes.class.getClassLoader()), then the system/application ClassLoader (ClassLoader.getSystemClassLoader(), in that order.
static <T> java.lang.reflect.Constructor<T>	getConstructor(java.lang.Class<T> clazz, java.lang.Class... argTypes)
static java.io.InputStream	getResourceAsStream(java.lang.String name) Returns the specified resource by checking the current thread's context class loader, then the current ClassLoader (Classes.class.getClassLoader()), then the system/application ClassLoader (ClassLoader.getSystemClassLoader(), in that order, using getResourceAsStream(name).
static <T> T	instantiate(java.lang.reflect.Constructor<T> ctor, java.lang.Object... args)
static boolean	isAvailable(java.lang.String fullyQualifiedClassName)
static <T> T	newInstance(java.lang.Class<T> clazz)
static <T> T	newInstance(java.lang.Class<T> clazz, java.lang.Object... args)
static java.lang.Object	newInstance(java.lang.String fqcn)
static java.lang.Object	newInstance(java.lang.String fqcn, java.lang.Object... args)

从类继承的方法 java.lang.Object

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

方法详细资料

forName

public static java.lang.Class forName(java.lang.String fqcn)
                               throws UnknownClassException

Attempts to load the specified class name from the current thread's context class loader, then the current ClassLoader (Classes.class.getClassLoader()), then the system/application ClassLoader (ClassLoader.getSystemClassLoader(), in that order. If any of them cannot locate the specified class, an UnknownClassException is thrown (our RuntimeException equivalent of the JRE's ClassNotFoundException.

参数:

fqcn - the fully qualified class name to load

返回:

the located class

抛出:

UnknownClassException - if the class cannot be found.

getResourceAsStream

public static java.io.InputStream getResourceAsStream(java.lang.String name)

Returns the specified resource by checking the current thread's context class loader, then the current ClassLoader (Classes.class.getClassLoader()), then the system/application ClassLoader (ClassLoader.getSystemClassLoader(), in that order, using getResourceAsStream(name).

参数:

name - the name of the resource to acquire from the classloader(s).

返回:

the InputStream of the resource found, or null if the resource cannot be found from any of the three mentioned ClassLoaders.

从以下版本开始:

0.8

isAvailable

public static boolean isAvailable(java.lang.String fullyQualifiedClassName)

newInstance

public static java.lang.Object newInstance(java.lang.String fqcn)

newInstance

public static java.lang.Object newInstance(java.lang.String fqcn,
                           java.lang.Object... args)

newInstance

public static <T> T newInstance(java.lang.Class<T> clazz)

newInstance

public static <T> T newInstance(java.lang.Class<T> clazz,
                java.lang.Object... args)

getConstructor

public static <T> java.lang.reflect.Constructor<T> getConstructor(java.lang.Class<T> clazz,
                                                  java.lang.Class... argTypes)

instantiate

public static <T> T instantiate(java.lang.reflect.Constructor<T> ctor,
                java.lang.Object... args)