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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.servlet 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.net.URLClassLoader
   org.apache.cocoon.servlet.ParanoidClassLoader

ParanoidClassLoader
public class ParanoidClassLoader extends URLClassLoader (Code)
The ParanoidClassLoader reverses the search order for classes. It checks this classloader before it checks its parent.
author:
   Berin Loritsch
author:
   Sylvain Wallez
version:
   CVS $Id: ParanoidClassLoader.java 30932 2004-07-29 17:35:38Z
version:
   vgritsenko $



Constructor Summary
public  ParanoidClassLoader()
     Default constructor has no parents or initial URLs.
public  ParanoidClassLoader(ClassLoader parent)
     Alternate constructor to define a parent.
public  ParanoidClassLoader(URL[] urls)
     Alternate constructor to define initial URLs.
public  ParanoidClassLoader(URL[] urls, ClassLoader parent)
     Alternate constructor to define a parent and initial URL s.
public  ParanoidClassLoader(URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory)
     Alternate constructor to define a parent, initial URLs, and a default URLStreamHandlerFactory.

Method Summary
final public  voidaddDirectory(File file)
     Adds a new directory of class files.
public  voidaddURL(URL url)
    
final public  URLgetResource(String name)
     Gets a resource from this ClassLoader.
final public  ClassloadClass(String name, boolean resolve)
     Loads the class from this ClassLoader.
final public static  URLClassLoadernewInstance(URL[] urls)
     Extends URLClassLoader's initialization methods so we return a ParanoidClassLoad instead.
final public static  URLClassLoadernewInstance(URL[] urls, ClassLoader parent)
     Extends URLClassLoader's initialization methods so we return a ParanoidClassLoad instead.


Constructor Detail
ParanoidClassLoader
public ParanoidClassLoader()(Code)
Default constructor has no parents or initial URLs.



ParanoidClassLoader
public ParanoidClassLoader(ClassLoader parent)(Code)
Alternate constructor to define a parent.



ParanoidClassLoader
public ParanoidClassLoader(URL[] urls)(Code)
Alternate constructor to define initial URLs.



ParanoidClassLoader
public ParanoidClassLoader(URL[] urls, ClassLoader parent)(Code)
Alternate constructor to define a parent and initial URL s.



ParanoidClassLoader
public ParanoidClassLoader(URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory)(Code)
Alternate constructor to define a parent, initial URLs, and a default URLStreamHandlerFactory.




Method Detail
addDirectory
final public void addDirectory(File file) throws IOException(Code)
Adds a new directory of class files.
Parameters:
  file - for jar or directory
throws:
  IOException -



addURL
public void addURL(URL url)(Code)
Adds a new URL



getResource
final public URL getResource(String name)(Code)
Gets a resource from this ClassLoader. If the resource does not exist in this one, we check the parent. Please note that this is the exact opposite of the ClassLoader spec. We use it to work around inconsistent class loaders from third party vendors.
Parameters:
  name - of resource



loadClass
final public Class loadClass(String name, boolean resolve) throws ClassNotFoundException(Code)
Loads the class from this ClassLoader. If the class does not exist in this one, we check the parent. Please note that this is the exact opposite of the ClassLoader spec. We use it to work around inconsistent class loaders from third party vendors.
Parameters:
  name - the name of the class
Parameters:
  resolve - if true then resolve the class the resulting Class object
exception:
  ClassNotFoundException - if the class could not be found



newInstance
final public static URLClassLoader newInstance(URL[] urls)(Code)
Extends URLClassLoader's initialization methods so we return a ParanoidClassLoad instead.



newInstance
final public static URLClassLoader newInstance(URL[] urls, ClassLoader parent)(Code)
Extends URLClassLoader's initialization methods so we return a ParanoidClassLoad instead.



Methods inherited from java.net.URLClassLoader
protected void addURL(URL url)(Code)(Java Doc)
protected Package definePackage(String name, Manifest man, URL url) throws IllegalArgumentException(Code)(Java Doc)
protected Class findClass(String name) throws ClassNotFoundException(Code)(Java Doc)
public URL findResource(String name)(Code)(Java Doc)
public Enumeration<URL> findResources(String name) throws IOException(Code)(Java Doc)
protected PermissionCollection getPermissions(CodeSource codesource)(Code)(Java Doc)
public URL[] getURLs()(Code)(Java Doc)
public static URLClassLoader newInstance(URL[] urls, ClassLoader parent)(Code)(Java Doc)
public static URLClassLoader newInstance(URL[] urls)(Code)(Java Doc)

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