URLStreamHandlerFactory (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档

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org.jboss.net.protocol
Class URLStreamHandlerFactory

java.lang.Object
  org.jboss.net.protocol.URLStreamHandlerFactory

All Implemented Interfaces:: URLStreamHandlerFactory

public class URLStreamHandlerFactory
extends Object
implements URLStreamHandlerFactory

A factory for loading URL protocol handlers. This is based on Sun's URL mechanism, in that Handler classes will be searched for in the packages specified by the java.protocol.handler.pkgs property are searched for classes matching the protocol + ".Handler" classname. The default JBoss package "org.jboss.net.protocol" is searched even if not specified in the java.protocol.handler.pkgs property.

This factory is installed by the default server implementaion to ensure that protocol handlers not in the system classpath are located. The thread context class is used first followed by the Class.forName method.

Use preload to force the URL handler map to load the handlers for each protocol listed in PROTOCOLS.

Version:: $Revision: 1.8 $
Author:: Jason Dillon, Scott.Stark@jboss.org

Field Summary

static String PACKAGE_PREFIX
          The package prefix where JBoss protocol handlers live.

static String[] PROTOCOLS
          A list of JBoss specific protocols for preloading.

Constructor Summary

URLStreamHandlerFactory()


Method Summary

static void clear()
          Clear the current protocol to handler map.

URLStreamHandler createURLStreamHandler(String protocol)
          Search the handlerPkgs for URLStreamHandler classes matching the pkg + protocol + ".Handler" naming convention.

static void preload()
          Preload the JBoss specific protocol handlers, so that URL knows about them even if the handler factory is changed.

Methods inherited from class java.lang.Object

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

Field Detail

PACKAGE_PREFIX

public static final String PACKAGE_PREFIX

The package prefix where JBoss protocol handlers live.

See Also:: Constant Field Values

PROTOCOLS

public static final String[] PROTOCOLS

A list of JBoss specific protocols for preloading.

Constructor Detail