org.glyptodon.guacamole.net.basic.extension

Class DirectoryClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

org.glyptodon.guacamole.net.basic.extension.DirectoryClassLoader

All Implemented Interfaces:

Closeable, AutoCloseable

public class DirectoryClassLoader
extends URLClassLoader

A ClassLoader implementation which finds classes within .jar files within a given directory.

Author:

Michael Jumper

Method Summary

Modifier and Type	Method and Description
static DirectoryClassLoader	getInstance(File dir) Returns an instance of DirectoryClassLoader configured to load .jar files from the given directory.

Methods inherited from class java.net.URLClassLoader

addURL, close, definePackage, findClass, findResource, findResources, getPermissions, getResourceAsStream, 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, getClassLoadingLock, getPackage, getPackages, getParent, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static DirectoryClassLoader getInstance(File dir)
                                        throws GuacamoleException

Returns an instance of DirectoryClassLoader configured to load .jar files from the given directory. Calling this function multiple times will not affect previously-returned instances of DirectoryClassLoader.

Parameters:

dir - The directory from which .jar files should be read.

Returns:

A DirectoryClassLoader instance which loads classes from the .jar files in the given directory.

Throws:

GuacamoleException - If the given file is not a directory, or the contents of the given directory cannot be read.