org.apache.ws.security.util
Class Loader

java.lang.Object
  org.apache.ws.security.util.Loader

public final class Loader
extends java.lang.Object

Load resources (or images) from various sources.

Author:

Davanum Srinivas (dims@yahoo.com).

Method Summary

static java.lang.ClassLoader	getClassLoader(java.lang.Class<?> clazz) Get the class loader of the class argument
static java.net.URL	getResource(java.lang.ClassLoader loader, java.lang.String resource) This method will search for resource in different places.
static java.net.URL	getResource(java.lang.String resource) This method will search for resource in different places.
static java.lang.ClassLoader	getTCL() Get the Thread context class loader.
static java.lang.Class<?>	loadClass(java.lang.ClassLoader loader, java.lang.String clazz) Try the specified classloader and then fall back to the loadClass
static <T> java.lang.Class<? extends T>	loadClass(java.lang.ClassLoader loader, java.lang.String clazz, java.lang.Class<T> type) Try the specified classloader and then fall back to the loadClass
static java.lang.Class<?>	loadClass(java.lang.String clazz) If running under JDK 1.2 load the specified class using the Thread contextClassLoader if that fails try Class.forname.
static java.lang.Class<?>	loadClass(java.lang.String clazz, boolean warn)
static <T> java.lang.Class<? extends T>	loadClass(java.lang.String clazz, boolean warn, java.lang.Class<T> type)
static <T> java.lang.Class<? extends T>	loadClass(java.lang.String clazz, java.lang.Class<T> type) If running under JDK 1.2 load the specified class using the Thread contextClassLoader if that fails try Class.forname.

Methods inherited from class java.lang.Object

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

Method Detail

getResource

public static java.net.URL getResource(java.lang.String resource)

This method will search for resource in different places. The search order is as follows:

1. Search for resource using the thread context class loader under Java2.

2. Try one last time with ClassLoader.getSystemResource(resource), that is is using the system class loader in JDK 1.2 and virtual machine's built-in class loader in JDK 1.1.

Parameters:

resource -

Returns:

TODO

getResource

public static java.net.URL getResource(java.lang.ClassLoader loader,
                                       java.lang.String resource)

This method will search for resource in different places. The search order is as follows:

1. Search for resource using the supplied class loader. If that fails, search for resource using the thread context class loader.

2. Try one last time with ClassLoader.getSystemResource(resource), that is is using the system class loader in JDK 1.2 and virtual machine's built-in class loader in JDK 1.1.

Parameters:

resource -

Returns:

TODO

getTCL

public static java.lang.ClassLoader getTCL()
                                    throws java.lang.IllegalAccessException,
                                           java.lang.reflect.InvocationTargetException

Get the Thread context class loader.

Returns:

the Thread context class loader

Throws:

java.lang.IllegalAccessException

java.lang.reflect.InvocationTargetException

getClassLoader

public static java.lang.ClassLoader getClassLoader(java.lang.Class<?> clazz)

Get the class loader of the class argument

Returns:

the class loader of the argument

loadClass

public static java.lang.Class<?> loadClass(java.lang.ClassLoader loader,
                                           java.lang.String clazz)
                                    throws java.lang.ClassNotFoundException

Try the specified classloader and then fall back to the loadClass

Parameters:

loader -

clazz -

Returns:

Class

Throws:

java.lang.ClassNotFoundException

loadClass

public static <T> java.lang.Class<? extends T> loadClass(java.lang.ClassLoader loader,
                                                         java.lang.String clazz,
                                                         java.lang.Class<T> type)
                                              throws java.lang.ClassNotFoundException

Try the specified classloader and then fall back to the loadClass

Parameters:

loader -

clazz -

type -

Returns:

Class

Throws:

java.lang.ClassNotFoundException

loadClass

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

If running under JDK 1.2 load the specified class using the Thread contextClassLoader if that fails try Class.forname.

Parameters:

clazz -

Returns:

TODO

Throws:

java.lang.ClassNotFoundException

loadClass

public static <T> java.lang.Class<? extends T> loadClass(java.lang.String clazz,
                                                         java.lang.Class<T> type)
                                              throws java.lang.ClassNotFoundException

If running under JDK 1.2 load the specified class using the Thread contextClassLoader if that fails try Class.forname.

Parameters:

clazz -

type - Type to cast it to

Returns:

TODO

Throws:

java.lang.ClassNotFoundException

loadClass

public static <T> java.lang.Class<? extends T> loadClass(java.lang.String clazz,
                                                         boolean warn,
                                                         java.lang.Class<T> type)
                                              throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

loadClass

public static java.lang.Class<?> loadClass(java.lang.String clazz,
                                           boolean warn)
                                    throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException