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(ClassLoader parent, LoaderSelector selector)

CompositeClassLoader(LoaderSelector selector)

Method Summary

void	addLoader(Loader loader)
void	addPath(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.
Class	findClass(String name)
protected URL	findResource(String name)
URL[]	getURLs()

Methods inherited from class org.sapia.clazzy.BaseClassLoader

loadClass, setParentFirst

Methods inherited from class java.security.SecureClassLoader

defineClass, getPermissions

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, 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(ClassLoader parent,
                            LoaderSelector selector)

CompositeClassLoader

public CompositeClassLoader(LoaderSelector selector)

Method Detail

getURLs

public URL[] getURLs()

Returns:

the URLs to which this instance "points".

findClass

public Class findClass(String name)
                throws ClassNotFoundException

Overrides:

findClass in class ClassLoader

ClassNotFoundException

See Also:

ClassLoader.findClass(java.lang.String)

findResource

protected URL findResource(String name)

Overrides:

findResource in class 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(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.