org.apache.tuscany.common.resource.impl
Class ResourceLoaderImpl

java.lang.Object
  org.apache.tuscany.common.resource.impl.ResourceLoaderImpl

All Implemented Interfaces:

ResourceLoader

public class ResourceLoaderImpl
extends java.lang.Object
implements ResourceLoader

Default implementation of the ResourceLoader interface

Version:

$Rev: 369102 $ $Date: 2006-01-14 13:48:56 -0800 (Sat, 14 Jan 2006) $

Constructor Summary

ResourceLoaderImpl(java.lang.ClassLoader classLoader)
Constructs a new ResourceLoaderImpl to wrap a ClassLoader.

Method Summary

java.lang.Class<?>	addClass(byte[] bytes) Converts an array of bytes into a Class.
boolean	equals(java.lang.Object obj)
java.lang.ClassLoader	getClassLoader() Returns the underlying classloader this loader is wrapping.
java.util.List<ResourceLoader>	getParents() Returns the parent resource loaders.
java.net.URL	getResource(java.lang.String name) Finds the first resource with the given name.
java.util.Iterator<java.net.URL>	getResources(java.lang.String name) Find resources with the given name that are available from this ResourceLoader or any of its parents.
int	hashCode()
java.lang.Class<?>	loadClass(java.lang.String name) Loads the class with the specified binary name.

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceLoaderImpl

public ResourceLoaderImpl(java.lang.ClassLoader classLoader)

Constructs a new ResourceLoaderImpl to wrap a ClassLoader.

Parameters:

classLoader - the classloader to wrap

Method Detail

getClassLoader

public java.lang.ClassLoader getClassLoader()
                                     throws java.lang.IllegalStateException

Description copied from interface: ResourceLoader

Returns the underlying classloader this loader is wrapping.

Specified by:

getClassLoader in interface ResourceLoader

Returns:

the underlying classloader this loader is wrapping

Throws:

java.lang.IllegalStateException

getParents

public java.util.List<ResourceLoader> getParents()

Description copied from interface: ResourceLoader

Returns the parent resource loaders.

Specified by:

getParents in interface ResourceLoader

Returns:

resource loaders that are parents to this one

loadClass

public java.lang.Class<?> loadClass(java.lang.String name)
                             throws java.lang.ClassNotFoundException

Description copied from interface: ResourceLoader

Loads the class with the specified binary name.

Specified by:

loadClass in interface ResourceLoader

Parameters:

name - the binary name of the class

Returns:

the resulting Class object

Throws:

java.lang.ClassNotFoundException - if the class was not found

See Also:

ClassLoader.loadClass(String)

addClass

public java.lang.Class<?> addClass(byte[] bytes)

Description copied from interface: ResourceLoader

Converts an array of bytes into a Class.

Specified by:

addClass in interface ResourceLoader

Parameters:

bytes - the bytecode for the class; must match the class file format

Returns:

a Class defined from the supplied bytecode

getResources

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

Description copied from interface: ResourceLoader

Find resources with the given name that are available from this ResourceLoader or any of its parents.

Specified by:

getResources in interface ResourceLoader

Parameters:

name - the resource name

Returns:

an Iterator of URL objects for the resource

Throws:

java.io.IOException - if there was a problem locating the resources

getResource

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

Description copied from interface: ResourceLoader

Finds the first resource with the given name.

Each parent is searched first (in the order returned by ResourceLoader.getParents()) and the first resource located is found. If no parent returns a resource then the first resource defined by this ResourceLoader is returned.

Specified by:

getResource in interface ResourceLoader

Parameters:

name - the resource name

Returns:

a URL that can be used to read the resource, or null if no resource could be found

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object