org.springframework.instrument.classloading

类 ShadowingClassLoader

java.lang.Object

java.lang.ClassLoader

org.springframework.core.DecoratingClassLoader

org.springframework.instrument.classloading.ShadowingClassLoader

直接已知子类:

ResourceOverridingShadowingClassLoader

public class ShadowingClassLoader
extends org.springframework.core.DecoratingClassLoader

ClassLoader decorator that shadows an enclosing ClassLoader, applying registered transformers to all affected classes.

从以下版本开始:

2.0

作者:

Rob Harrop, Juergen Hoeller, Costin Leau

另请参阅:

addTransformer(java.lang.instrument.ClassFileTransformer), OverridingClassLoader

字段概要

字段

限定符和类型	字段和说明
static String[]	DEFAULT_EXCLUDED_PACKAGES Packages that are excluded by default

构造器概要

构造器

构造器和说明
ShadowingClassLoader(ClassLoader enclosingClassLoader) Create a new ShadowingClassLoader, decorating the given ClassLoader, applying DEFAULT_EXCLUDED_PACKAGES.
ShadowingClassLoader(ClassLoader enclosingClassLoader, boolean defaultExcludes) Create a new ShadowingClassLoader, decorating the given ClassLoader.

方法概要

限定符和类型	方法和说明
void	addTransformer(ClassFileTransformer transformer) Add the given ClassFileTransformer to the list of transformers that this ClassLoader will apply.
void	copyTransformers(ShadowingClassLoader other) Copy all ClassFileTransformers from the given ClassLoader to the list of transformers that this ClassLoader will apply.
URL	getResource(String name)
InputStream	getResourceAsStream(String name)
Enumeration<URL>	getResources(String name)
protected boolean	isEligibleForShadowing(String className) Determine whether the specified class is eligible for shadowing by this class loader.
Class<?>	loadClass(String name)

从类继承的方法 org.springframework.core.DecoratingClassLoader

excludeClass, excludePackage, isExcluded

从类继承的方法 java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

从类继承的方法 java.lang.Object

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

字段详细资料

DEFAULT_EXCLUDED_PACKAGES

public static final String[] DEFAULT_EXCLUDED_PACKAGES

Packages that are excluded by default

构造器详细资料

ShadowingClassLoader

public ShadowingClassLoader(ClassLoader enclosingClassLoader)

Create a new ShadowingClassLoader, decorating the given ClassLoader, applying DEFAULT_EXCLUDED_PACKAGES.

参数:

enclosingClassLoader - the ClassLoader to decorate

另请参阅:

ShadowingClassLoader(ClassLoader, boolean)

ShadowingClassLoader

public ShadowingClassLoader(ClassLoader enclosingClassLoader,
                            boolean defaultExcludes)

Create a new ShadowingClassLoader, decorating the given ClassLoader.

参数:

enclosingClassLoader - the ClassLoader to decorate

defaultExcludes - whether to apply DEFAULT_EXCLUDED_PACKAGES

从以下版本开始:

4.3.8

方法详细资料

addTransformer

public void addTransformer(ClassFileTransformer transformer)

Add the given ClassFileTransformer to the list of transformers that this ClassLoader will apply.

参数:

transformer - the ClassFileTransformer

copyTransformers

public void copyTransformers(ShadowingClassLoader other)

Copy all ClassFileTransformers from the given ClassLoader to the list of transformers that this ClassLoader will apply.

参数:

other - the ClassLoader to copy from

loadClass

public Class<?> loadClass(String name)
                   throws ClassNotFoundException

覆盖:

loadClass 在类中 ClassLoader

抛出:

ClassNotFoundException

isEligibleForShadowing

protected boolean isEligibleForShadowing(String className)

Determine whether the specified class is eligible for shadowing by this class loader.

参数:

className - the class name to check

返回:

whether the specified class is eligible

另请参阅:

DecoratingClassLoader.isExcluded(java.lang.String)

getResource

public URL getResource(String name)

覆盖:

getResource 在类中 ClassLoader

getResourceAsStream

@Nullable
public InputStream getResourceAsStream(String name)

覆盖:

getResourceAsStream 在类中 ClassLoader

getResources

public Enumeration<URL> getResources(String name)
                              throws IOException

覆盖:

getResources 在类中 ClassLoader

抛出:

IOException