ch.qos.cal10n.plugins
Class ThisFirstClassLoader

java.lang.Object
  java.lang.ClassLoader
      java.security.SecureClassLoader
          java.net.URLClassLoader
              ch.qos.cal10n.plugins.ThisFirstClassLoader

public class ThisFirstClassLoader
extends java.net.URLClassLoader

An almost trivial no fuss implementation of a class loader following the child-first delegation model.

Author:

Ceki G�lc�

Constructor Summary

ThisFirstClassLoader(java.net.URL[] urls)

ThisFirstClassLoader(java.net.URL[] urls, java.lang.ClassLoader parent)

Method Summary

void	addURL(java.net.URL url)
java.lang.Class<?>	loadClass(java.lang.String name)
protected java.lang.Class<?>	loadClass(java.lang.String name, boolean resolve) We override the parent-first behavior established by java.lang.Classloader.

Methods inherited from class java.net.URLClassLoader

definePackage, findClass, findResource, findResources, getPermissions, getURLs, newInstance, newInstance

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findSystemClass, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, 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

ThisFirstClassLoader

public ThisFirstClassLoader(java.net.URL[] urls)

ThisFirstClassLoader

public ThisFirstClassLoader(java.net.URL[] urls,
                            java.lang.ClassLoader parent)

Method Detail

addURL

public void addURL(java.net.URL url)

Overrides:

addURL in class java.net.URLClassLoader

loadClass

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

Overrides:

loadClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException

loadClass

protected java.lang.Class<?> loadClass(java.lang.String name,
                                       boolean resolve)
                                throws java.lang.ClassNotFoundException

We override the parent-first behavior established by java.lang.Classloader. The implementation is surprisingly straightforward.

Overrides:

loadClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException