ResourceOverridingShadowingClassLoader (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.instrument.classloading
Class ResourceOverridingShadowingClassLoader

java.lang.Object
  java.lang.ClassLoader
      org.springframework.instrument.classloading.ShadowingClassLoader
          org.springframework.instrument.classloading.ResourceOverridingShadowingClassLoader

public class ResourceOverridingShadowingClassLoader
extends ShadowingClassLoader
extends ShadowingClassLoader

Subclass of ShadowingClassLoader that overrides attempts to locate certain files.

Since:: 2.0
Author:: Rod Johnson, Adrian Colyer

Field Summary

Fields inherited from class org.springframework.instrument.classloading.ShadowingClassLoader

DEFAULT_EXCLUDED_PACKAGES

Constructor Summary

ResourceOverridingShadowingClassLoader(ClassLoader enclosingClassLoader)
          Create a new ResourceOverridingShadowingClassLoader, decorating the given ClassLoader.

Method Summary

void copyOverrides(ResourceOverridingShadowingClassLoader other)
          Copy all overrides from the given ClassLoader.

URL getResource(String requestedPath)


InputStream getResourceAsStream(String requestedPath)


Enumeration<URL> getResources(String requestedPath)


void override(String oldPath, String newPath)
          Return the resource (if any) at the new path on an attempt to locate a resource at the old path.

void suppress(String oldPath)
          Ensure that a resource with the given path is not found.

Methods inherited from class org.springframework.instrument.classloading.ShadowingClassLoader

addTransformer, copyTransformers, isClassNameExcludedFromShadowing, loadClass

Methods inherited from class java.lang.ClassLoader

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

Methods inherited from class java.lang.Object

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

Fields inherited from class org.springframework.instrument.classloading.ShadowingClassLoader
`DEFAULT_EXCLUDED_PACKAGES`

Constructor Summary
`ResourceOverridingShadowingClassLoader(ClassLoader enclosingClassLoader)` Create a new ResourceOverridingShadowingClassLoader, decorating the given ClassLoader.

Method Summary
`void`	`copyOverrides(ResourceOverridingShadowingClassLoader other)` Copy all overrides from the given ClassLoader.
`URL`	`getResource(String requestedPath)`
`InputStream`	`getResourceAsStream(String requestedPath)`
`Enumeration<URL>`	`getResources(String requestedPath)`
`void`	`override(String oldPath, String newPath)` Return the resource (if any) at the new path on an attempt to locate a resource at the old path.
`void`	`suppress(String oldPath)` Ensure that a resource with the given path is not found.

Methods inherited from class org.springframework.instrument.classloading.ShadowingClassLoader
`addTransformer, copyTransformers, isClassNameExcludedFromShadowing, loadClass`

Methods inherited from class java.lang.ClassLoader
`clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getPackage, getPackages, getParent, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

ResourceOverridingShadowingClassLoader

public ResourceOverridingShadowingClassLoader(ClassLoader enclosingClassLoader)

Create a new ResourceOverridingShadowingClassLoader, decorating the given ClassLoader.

Parameters:: enclosingClassLoader - the ClassLoader to decorate

Method Detail

override

public void override(String oldPath,
                     String newPath)

Return the resource (if any) at the new path on an attempt to locate a resource at the old path.

Parameters:: oldPath - the path requested; newPath - the actual path to be looked up

suppress

public void suppress(String oldPath)

Ensure that a resource with the given path is not found.

Parameters:: oldPath - the path of the resource to hide even if it exists in the parent ClassLoader

copyOverrides

public void copyOverrides(ResourceOverridingShadowingClassLoader other)

Copy all overrides from the given ClassLoader.

Parameters:: other - the other ClassLoader to copy from

getResource

public URL getResource(String requestedPath)

Overrides:: getResource in class ShadowingClassLoader

getResourceAsStream

public InputStream getResourceAsStream(String requestedPath)

Overrides:: getResourceAsStream in class ShadowingClassLoader

getResources

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

Overrides:: getResources in class ShadowingClassLoader

Throws:: IOException