org.sapia.clazzy
Class CompositeClassLoader

java.lang.Object
  java.lang.ClassLoader
      java.security.SecureClassLoader
          org.sapia.clazzy.BaseClassLoader
              org.sapia.clazzy.CompositeClassLoader

All Implemented Interfaces:

Consts

public class CompositeClassLoader
extends BaseClassLoader
implements Consts

This classloader delegates class lookups the Loader instances that it encapsulates. Children are added through the addLoader() or addFile method.

The CompositeClassLoaderBuilder can conveniently be used to create an instance of this class.

Author:

Yanick Duchesne

Copyright:

Copyright © 2002-2004 Sapia Open Source Software . All Rights Reserved.

License:

Read the license.txt file of the jar or visit the license page at the Sapia OSS web site

See Also:

CompositeClassLoaderBuilder

Field Summary

Fields inherited from interface org.sapia.clazzy.Consts

PACKAGE_IMPL_TITLE, PACKAGE_IMPL_VENDOR, PACKAGE_IMPL_VERSION, PACKAGE_SPEC_TITLE, PACKAGE_SPEC_VENDOR, PACKAGE_SPEC_VERSION

Constructor Summary

CompositeClassLoader(java.lang.ClassLoader parent, LoaderSelector selector)

CompositeClassLoader(LoaderSelector selector)

Method Summary

void	addLoader(Loader loader)
void	addPath(java.io.File file) Adds the file object corresponding to a directory of classes or a jar to this instance.
void	close() Releases all resources that this instance.
java.lang.Class	findClass(java.lang.String name)
protected java.net.URL	findResource(java.lang.String name)
java.net.URL[]	getURLs()

Methods inherited from class org.sapia.clazzy.BaseClassLoader

loadClass, setParentFirst

Methods inherited from class java.security.SecureClassLoader

defineClass, defineClass, getPermissions

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findResources, findSystemClass, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, 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

CompositeClassLoader

public CompositeClassLoader(java.lang.ClassLoader parent,
                            LoaderSelector selector)

CompositeClassLoader

public CompositeClassLoader(LoaderSelector selector)

Method Detail

getURLs

public java.net.URL[] getURLs()

Returns:

the URLs to which this instance "points".

findClass

public java.lang.Class findClass(java.lang.String name)
                          throws java.lang.ClassNotFoundException

Overrides:

findClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException

See Also:

ClassLoader.findClass(java.lang.String)

findResource

protected java.net.URL findResource(java.lang.String name)

Overrides:

findResource in class java.lang.ClassLoader

See Also:

ClassLoader.findResource(java.lang.String)

addLoader

public void addLoader(Loader loader)

Parameters:

loader - the Loader to add to this instance.

addPath

public void addPath(java.io.File file)

Adds the file object corresponding to a directory of classes or a jar to this instance.

Internally, the method creates either a FileSystemLoader (if the given file object corresponds to a directory) or a JarLoader.

Parameters:

file - a File

close

public void close()

Releases all resources that this instance.