org.apache.ws.security.util

Class Loader

java.lang.Object

org.apache.ws.security.util.Loader

public class Loader
extends java.lang.Object

Load resources (or images) from various sources.

Author:

Davanum Srinivas (dims@yahoo.com).

Constructor Summary

Constructors

Constructor and Description
Loader()

Method Summary

Modifier and Type	Method and Description
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 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)

Methods inherited from class java.lang.Object

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

Constructor Detail

Loader

public Loader()

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 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 java.lang.Class loadClass(java.lang.String clazz,
                                        boolean warn)
                                 throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException