Class ServiceLoaderImpl

java.lang.Object

org.glassfish.hk2.osgiresourcelocator.ServiceLoader

org.glassfish.hk2.osgiresourcelocator.ServiceLoaderImpl

public final class ServiceLoaderImpl
extends ServiceLoader

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	ServiceLoaderImpl.BundleTracker
private static class	ServiceLoaderImpl.DefaultFactory<T>
private static class	ServiceLoaderImpl.ProvidersList	List of ServiceLoaderImpl.ProvidersPerBundle Synchronisation is handled by outer class.
private static class	ServiceLoaderImpl.ProvidersPerBundle	Map of service name to provider names for a particular bundle

Nested classes/interfaces inherited from class ServiceLoader

ServiceLoader.ProviderFactory<T>

Field Summary

Fields

Modifier and Type	Field	Description
private org.osgi.framework.BundleContext	bundleContext
private org.osgi.framework.BundleListener	bundleTracker
private ServiceLoaderImpl.ProvidersList	providersList
private ReadWriteLock	rwLock

Constructor Summary

Constructors

Constructor	Description
ServiceLoaderImpl()

Method Summary

Modifier and Type	Method	Description
private void	addProviders(org.osgi.framework.Bundle bundle)
private void	debug(String s)
private void	debug(String s, Throwable t)
private org.osgi.framework.BundleContext	getBundleContextSecured(org.osgi.framework.Bundle bundle)
private boolean	isCompatible(Class providerClass, Class serviceClass)
private List<String>	load(InputStream is)	Loads a single service file and returns the names of the providers.
private Class	loadClassSecured(org.osgi.framework.Bundle bundle, String name)
(package private) <T> Iterable<Class>	lookupProviderClasses1(Class<T> serviceClass)
(package private) <T> Iterable<? extends T>	lookupProviderInstances1(Class<T> serviceClass, ServiceLoader.ProviderFactory<T> factory)
private void	removeProviders(org.osgi.framework.Bundle bundle)
void	trackBundles()

Methods inherited from class ServiceLoader

initialize, lookupProviderClasses, lookupProviderInstances, lookupProviderInstances, reset

Methods inherited from class Object

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

Field Details

rwLock

private ReadWriteLock rwLock

bundleTracker

private org.osgi.framework.BundleListener bundleTracker

bundleContext

private org.osgi.framework.BundleContext bundleContext

providersList

private ServiceLoaderImpl.ProvidersList providersList

Constructor Details

ServiceLoaderImpl

public ServiceLoaderImpl()

Method Details

getBundleContextSecured

private org.osgi.framework.BundleContext getBundleContextSecured(org.osgi.framework.Bundle bundle)

trackBundles

public void trackBundles()

lookupProviderInstances1

<T> Iterable<? extends T> lookupProviderInstances1(Class<T> serviceClass,
 ServiceLoader.ProviderFactory<T> factory)

Specified by:

lookupProviderInstances1 in class ServiceLoader

lookupProviderClasses1

<T> Iterable<Class> lookupProviderClasses1(Class<T> serviceClass)

Specified by:

lookupProviderClasses1 in class ServiceLoader

loadClassSecured

private Class loadClassSecured(org.osgi.framework.Bundle bundle,
 String name)
                        throws ClassNotFoundException

Throws:

ClassNotFoundException

isCompatible

private boolean isCompatible(Class providerClass,
 Class serviceClass)

load

private List<String> load(InputStream is)
                   throws IOException

Loads a single service file and returns the names of the providers. If the same provider appears multiple times, the list contains only one entry for all of the duplicates.

Returns:

names of providers, empty list if none is found

Throws:

IOException

addProviders

private void addProviders(org.osgi.framework.Bundle bundle)

removeProviders

private void removeProviders(org.osgi.framework.Bundle bundle)

debug

private void debug(String s)

debug

private void debug(String s,
 Throwable t)