Package com.atlassian.plugin.util

Class ContextClassLoaderSwitchingUtil

java.lang.Object

com.atlassian.plugin.util.ContextClassLoaderSwitchingUtil

public class ContextClassLoaderSwitchingUtil
extends Object

Utility to run Runnable implementations in a different ClassLoader.

Since:

2.5.0

Constructor Summary

Constructors

Constructor	Description
ContextClassLoaderSwitchingUtil()

Method Summary

Modifier and Type	Method	Description
static void	runInContext(ClassLoader newClassLoader, Runnable runnable)	Executes the provided Runnable implementation in the specified ClassLoader.
static <T> T	runInContext(ClassLoader newClassLoader, Callable<T> callable)	Executes the provided Callable implementation in the specified ClassLoader.

Methods inherited from class java.lang.Object

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

Constructor Details

ContextClassLoaderSwitchingUtil

public ContextClassLoaderSwitchingUtil()

Method Details

runInContext

public static void runInContext(ClassLoader newClassLoader,
 Runnable runnable)

Executes the provided Runnable implementation in the specified ClassLoader.

Utilises the ClassLoaderStack.push(java.lang.ClassLoader) method to save the old ClassLoader and set the one specified as newClassLoader. ClassLoaderStack.pop() is called in a finally block to ensure the ClassLoader is set back to the original one.

Parameters:

newClassLoader - The ClassLoader to run the specified Runnable in.

runnable - The implementation to be run in the specified ClassLoader

runInContext

public static <T> T runInContext(ClassLoader newClassLoader,
 Callable<T> callable)
                          throws Exception

Executes the provided Callable implementation in the specified ClassLoader.

Utilises the ClassLoaderStack.push(java.lang.ClassLoader) method to save the old ClassLoader and set the one specified as newClassLoader. ClassLoaderStack.pop() is called in a finally block to ensure the ClassLoader is set back to the original one.

Parameters:

newClassLoader - The ClassLoader to run the specified Runnable in.

callable - The implementation to be run in the specified ClassLoader

Returns:

the result of the Callable

Throws:

Exception

Since:

2.7.0