org.apache.ws.security.util
Class Loader

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

public class Loader
extends java.lang.Object

Load resources (or images) from various sources.

Author:
Davanum Srinivas ([email protected]).

Constructor Summary
Loader()
           
 
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
 

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 <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


Copyright © 2004-2011 The Apache Software Foundation. All Rights Reserved.