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java.lang.Object java.lang.ClassLoader org.springframework.osgi.util.BundleDelegatingClassLoader
public class BundleDelegatingClassLoader
ClassLoader backed by an OSGi bundle. Provides the ability to use a separate
class loader as fall back.
Contains facilities for tracing class loading behaviour so that issues can be
easily resolved.
For debugging please see DebugUtils
.
Constructor Summary | |
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protected |
BundleDelegatingClassLoader(Bundle bundle,
ClassLoader bridgeLoader)
Private constructor. |
Method Summary | |
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static BundleDelegatingClassLoader |
createBundleClassLoaderFor(Bundle aBundle)
Factory method for creating a class loader over the given bundle. |
static BundleDelegatingClassLoader |
createBundleClassLoaderFor(Bundle bundle,
ClassLoader bridge)
Factory method for creating a class loader over the given bundle and with a given class loader as fall-back. |
protected Class<?> |
findClass(String name)
|
protected URL |
findResource(String name)
|
protected Enumeration<URL> |
findResources(String name)
|
Bundle |
getBundle()
Returns the bundle to which this class loader delegates calls to. |
URL |
getResource(String name)
|
protected Class<?> |
loadClass(String name,
boolean resolve)
|
String |
toString()
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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protected BundleDelegatingClassLoader(Bundle bundle, ClassLoader bridgeLoader)
BundleDelegatingClassLoader
instance.
bundle
- bridgeLoader
- Method Detail |
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public static BundleDelegatingClassLoader createBundleClassLoaderFor(Bundle aBundle)
aBundle
- bundle to use for class loading and resource acquisition
public static BundleDelegatingClassLoader createBundleClassLoaderFor(Bundle bundle, ClassLoader bridge)
bundle
- bundle used for class loading and resource acquisitionbridge
- class loader used as fall back in case the bundle cannot
load a class or find a resource. Can be null
protected Class<?> findClass(String name) throws ClassNotFoundException
findClass
in class ClassLoader
ClassNotFoundException
protected URL findResource(String name)
findResource
in class ClassLoader
protected Enumeration<URL> findResources(String name) throws IOException
findResources
in class ClassLoader
IOException
public URL getResource(String name)
getResource
in class ClassLoader
protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException
loadClass
in class ClassLoader
ClassNotFoundException
public String toString()
toString
in class Object
public Bundle getBundle()
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