Package org.eclipse.sisu.wire

Class GlueLoader

java.lang.Object

java.lang.ClassLoader

org.eclipse.sisu.wire.GlueLoader

final class GlueLoader
extends ClassLoader

Weak cache of ClassLoaders that can generate proxy classes on-demand.

Field Summary

Fields

Modifier and Type	Field	Description
private static final ConcurrentMap<Integer,GlueLoader>	cachedGlue
private static final String	DYNAMIC
private static final String	GLUE_SUFFIX
private static final String	PROVIDER_NAME
private static final Object	SYSTEM_LOADER_LOCK

Constructor Summary

Constructors

Constructor	Description
GlueLoader()
GlueLoader(ClassLoader parent)

Method Summary

Modifier and Type	Method	Description
private static GlueLoader	createGlue(ClassLoader parent)	Returns new GlueLoader that delegates to the given ClassLoader.
static <T> T	dynamicGlue(com.google.inject.TypeLiteral<T> type, javax.inject.Provider<T> provider)	Generates a new dynamic proxy instance for the given facade type and provider.
private static Class<?>	dynamicGlue(Class<?> facade)	Loads the dynamic proxy class for the given facade class.
protected Class<?>	findClass(String name)
private static GlueLoader	glue(ClassLoader parent)	Returns the GlueLoader associated with the given ClassLoader.
protected Class<?>	loadClass(String name, boolean resolve)
private static String	unwrap(String name)	Unwraps the proxy decoration from around the given class name.
private static String	wrap(String name, String kind)	Wraps the given class name with the appropriate proxy decoration.

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, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, getUnnamedModule, isRegisteredAsParallelCapable, 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

SYSTEM_LOADER_LOCK

private static final Object SYSTEM_LOADER_LOCK

PROVIDER_NAME

private static final String PROVIDER_NAME

GLUE_SUFFIX

private static final String GLUE_SUFFIX

See Also:

• Constant Field Values

DYNAMIC

private static final String DYNAMIC

See Also:

• Constant Field Values

cachedGlue

private static final ConcurrentMap<Integer,GlueLoader> cachedGlue

Constructor Details

GlueLoader

GlueLoader()

GlueLoader

GlueLoader(ClassLoader parent)

Method Details

dynamicGlue

public static <T> T dynamicGlue(com.google.inject.TypeLiteral<T> type,
 javax.inject.Provider<T> provider)

Generates a new dynamic proxy instance for the given facade type and provider.

Parameters:

type - The facade type

provider - The provider

Returns:

Generated proxy instance

loadClass

protected Class<?> loadClass(String name,
 boolean resolve)
                      throws ClassNotFoundException

Overrides:

loadClass in class ClassLoader

Throws:

ClassNotFoundException

findClass

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

Overrides:

findClass in class ClassLoader

Throws:

ClassNotFoundException

dynamicGlue

private static Class<?> dynamicGlue(Class<?> facade)
                             throws ClassNotFoundException

Loads the dynamic proxy class for the given facade class.

Throws:

ClassNotFoundException

wrap

private static String wrap(String name,
 String kind)

Wraps the given class name with the appropriate proxy decoration.

unwrap

private static String unwrap(String name)

Unwraps the proxy decoration from around the given class name.

glue

private static GlueLoader glue(ClassLoader parent)

Returns the GlueLoader associated with the given ClassLoader.

createGlue

private static GlueLoader createGlue(ClassLoader parent)

Returns new GlueLoader that delegates to the given ClassLoader.