Package org.jivesoftware.openfire.container

Class PluginClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

org.jivesoftware.openfire.container.PluginClassLoader

All Implemented Interfaces:

Closeable, AutoCloseable

public class PluginClassLoader
extends URLClassLoader

ClassLoader for plugins. It searches the plugin directory for classes and JAR files, then constructs a class loader for the resources found. Resources are loaded as follows:

• Any JAR files in the lib will be added to the classpath.
• Any files in the classes directory will be added to the classpath.

Author:

Derek DeMoro

Constructor Summary

Constructors

Constructor	Description
PluginClassLoader()

Method Summary

Modifier and Type	Method	Description
void	addDirectory(File directory, boolean developmentMode)	Adds a directory to the class loader.
void	addURLFile(URL file)	Add the given URL to the classpath for this class loader, caching the JAR file connection so it can be unloaded later
void	unloadJarFiles()	Unload any JAR files that have been cached by this plugin

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, findClass, findLibrary, findLoadedClass, findResource, findSystemClass, getClassLoadingLock, getDefinedPackage, getDefinedPackages, getName, getPackage, getPackages, getParent, getPlatformClassLoader, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, getUnnamedModule, isRegisteredAsParallelCapable, loadClass, loadClass, registerAsParallelCapable, resolveClass, resources, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

PluginClassLoader

public PluginClassLoader()

Method Detail

addDirectory

public void addDirectory(File directory,
                         boolean developmentMode)

Adds a directory to the class loader.

Parameters:

directory - the directory.

developmentMode - true if the plugin is running in development mode. This resolves classloader conflicts between the deployed plugin and development classes.

addURLFile

public void addURLFile(URL file)

Add the given URL to the classpath for this class loader, caching the JAR file connection so it can be unloaded later

Parameters:

file - URL for the JAR file or directory to append to classpath

unloadJarFiles

public void unloadJarFiles()

Unload any JAR files that have been cached by this plugin