Package qupath.lib.gui

Class ExtensionClassLoader

java.lang.Object

java.lang.ClassLoader

java.security.SecureClassLoader

java.net.URLClassLoader

qupath.lib.gui.ExtensionClassLoader

All Implemented Interfaces:

Closeable, AutoCloseable

public class ExtensionClassLoader
extends URLClassLoader

ClassLoader for loading QuPath extensions and other jars from the user directory.

Author:

Pete Bankhead

Method Summary

Modifier and Type	Method	Description
void	close()
Path	getExtensionsDirectory()	Directory containing extensions.
static ExtensionClassLoader	getInstance()	Get a singleton instance of the ExtensionClassLoader.
void	refresh()	Ensure all Jars in the extensions directory (and one subdirectory down) are available

Methods inherited from class java.net.URLClassLoader

addURL, 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

Method Details

getInstance

public static ExtensionClassLoader getInstance()

Get a singleton instance of the ExtensionClassLoader.

Returns:

Since:

v0.5.0

getExtensionsDirectory

public Path getExtensionsDirectory()

Directory containing extensions. This can contain any jars - all will be added to the search path when starting QuPath.

Returns:

refresh

public void refresh()

Ensure all Jars in the extensions directory (and one subdirectory down) are available

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class URLClassLoader

Throws:

IOException