Package org.jruby.embed.osgi.internal

Class JRubyOSGiBundleClassLoader

java.lang.Object

java.lang.ClassLoader

org.jruby.embed.osgi.internal.JRubyOSGiBundleClassLoader

All Implemented Interfaces:

org.osgi.framework.BundleReference

public class JRubyOSGiBundleClassLoader
extends ClassLoader
implements org.osgi.framework.BundleReference

Closest thing to JRubyClassLoader's addURL but for OSGi bundles. Used as the parent classloader the usual jruby's bundle's classloader.

Field Summary

Fields

Modifier and Type	Field	Description
private LinkedHashMap<org.osgi.framework.Bundle,ClassLoader>	_libraries
private final boolean	_lookInOsgiFirst	look in OSGi first? true by default for now.
private static final IOSGiClassLoaderAdapter	ADAPTER
private static final Logger	LOG

Constructor Summary

Constructors

Constructor	Description
JRubyOSGiBundleClassLoader()
JRubyOSGiBundleClassLoader(org.osgi.framework.Bundle creator)

Method Summary

Modifier and Type	Method	Description
void	addBundle(Class<?> classInOsgiBundle)
boolean	addBundle(org.osgi.framework.Bundle bundle)
protected Class<?>	findClass(String name)
org.osgi.framework.Bundle	getBundle()	Returns the Bundle that defined this web-application.
URL	getResource(String name)
Enumeration<URL>	getResources(String name)	TODO: optimize: we should not have to look for the resources everywhere until called for it.
boolean	removeBundle(org.osgi.framework.Bundle bundle)
private List<URL>	toList(List<Enumeration<URL>> l)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResource, findResources, findSystemClass, getClassLoadingLock, getDefinedPackage, getDefinedPackages, getName, getPackage, getPackages, getParent, getPlatformClassLoader, getResourceAsStream, 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

Field Details

LOG

private static final Logger LOG

ADAPTER

private static final IOSGiClassLoaderAdapter ADAPTER

_lookInOsgiFirst

private final boolean _lookInOsgiFirst

look in OSGi first? true by default for now. we could look in jruby first if that makes more sense.

See Also:

• Constant Field Values

_libraries

private LinkedHashMap<org.osgi.framework.Bundle,ClassLoader> _libraries

Constructor Details

JRubyOSGiBundleClassLoader

public JRubyOSGiBundleClassLoader()

Throws:

IOException

JRubyOSGiBundleClassLoader

public JRubyOSGiBundleClassLoader(org.osgi.framework.Bundle creator)

Throws:

IOException

Method Details

addBundle

public void addBundle(Class<?> classInOsgiBundle)

Throws:

IOException

addBundle

public boolean addBundle(org.osgi.framework.Bundle bundle)

Parameters:

parent - The parent classloader. In this case jrubyLoader

context - The WebAppContext

contributor - The bundle that defines this web-application.

Throws:

IOException

removeBundle

public boolean removeBundle(org.osgi.framework.Bundle bundle)
                     throws IOException

Parameters:

parent - The parent classloader. In this case jrubyLoader

context - The WebAppContext

contributor - The bundle that defines this web-application.

Throws:

IOException

getBundle

public org.osgi.framework.Bundle getBundle()

Returns the Bundle that defined this web-application.

Specified by:

getBundle in interface org.osgi.framework.BundleReference

Returns:

The Bundle object associated with this BundleReference.

getResources

public Enumeration<URL> getResources(String name)
                              throws IOException

TODO: optimize: we should not have to look for the resources everywhere until called for it.

Overrides:

getResources in class ClassLoader

Throws:

IOException

getResource

public URL getResource(String name)

Overrides:

getResource in class ClassLoader

toList

private List<URL> toList(List<Enumeration<URL>> l)

findClass

protected Class<?> findClass(String name)
                      throws ClassNotFoundException

Overrides:

findClass in class ClassLoader

Throws:

ClassNotFoundException