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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
boolean	addBundle(org.osgi.framework.Bundle bundle)
void	addBundle(java.lang.Class<?> classInOsgiBundle)
protected java.lang.Class<?>	findClass(java.lang.String name)
org.osgi.framework.Bundle	getBundle() Returns the Bundle that defined this web-application.
java.net.URL	getResource(java.lang.String name)
java.util.Enumeration<java.net.URL>	getResources(java.lang.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 java.util.List<java.net.URL>	toList(java.util.List<java.util.Enumeration<java.net.URL>> l)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResourceAsStream, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

ADAPTER

private static final IOSGiClassLoaderAdapter ADAPTER

_lookInOsgiFirst

private boolean _lookInOsgiFirst

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

_libraries

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

Constructor Detail

JRubyOSGiBundleClassLoader

public JRubyOSGiBundleClassLoader()

Parameters:

-

Throws:

java.io.IOException

JRubyOSGiBundleClassLoader

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

Parameters:

-

Throws:

java.io.IOException

Method Detail

addBundle

public void addBundle(java.lang.Class<?> classInOsgiBundle)

Parameters:

-

Throws:

java.io.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:

java.io.IOException

removeBundle

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

Parameters:

parent - The parent classloader. In this case jrubyLoader

context - The WebAppContext

contributor - The bundle that defines this web-application.

Throws:

java.io.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 java.util.Enumeration<java.net.URL> getResources(java.lang.String name)
                                                 throws java.io.IOException

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

Overrides:

getResources in class java.lang.ClassLoader

Throws:

java.io.IOException

getResource

public java.net.URL getResource(java.lang.String name)

Overrides:

getResource in class java.lang.ClassLoader

toList

private java.util.List<java.net.URL> toList(java.util.List<java.util.Enumeration<java.net.URL>> l)

findClass

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

Overrides:

findClass in class java.lang.ClassLoader

Throws:

java.lang.ClassNotFoundException