Class RMIClassLoader

java.lang.Object
- java.rmi.server.RMIClassLoader

public class RMIClassLoader

extends Object

This class provides a set of public static utility methods for supporting network-based class loading in RMI. These methods are called by RMI's internal marshal streams to implement the dynamic class loading of types for RMI parameters and return values.

Since:: 1.1

Method Summary

static String

getClassAnnotation(Class cl): Returns a string representation of the network location where a remote endpoint can get the class-definition of the given class.

static ClassLoader

getClassLoader(String codebase): Gets a classloader for the given codebase and with the current context classloader as parent.

static RMIClassLoaderSpi

getDefaultProviderInstance(): Returns the default service provider for RMIClassLoader.

static Object

getSecurityContext(ClassLoader loader): Deprecated.

static Class

loadClass(String name): Deprecated.

static Class

loadClass(String codebase, String name)

static Class

loadClass(String codebase, String name, ClassLoader defaultLoader)

static Class

loadClass(URL codeBase, String name): Loads a class from codeBase.

static Class

loadProxyClass(String codeBase, String[] interfaces, ClassLoader defaultLoader)

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getClassAnnotation

public static String getClassAnnotation(Class cl)

Returns a string representation of the network location where a remote endpoint can get the class-definition of the given class.
Parameters:
cl -
Returns:
a space seperated list of URLs where the class-definition of cl may be found

getClassLoader

public static ClassLoader getClassLoader(String codebase)
 throws MalformedURLException

Gets a classloader for the given codebase and with the current context classloader as parent.
Parameters:
codebase -
Returns:
a classloader for the given codebase
Throws:
MalformedURLException - if the codebase contains a malformed URL

getDefaultProviderInstance

public static RMIClassLoaderSpi getDefaultProviderInstance()

Returns the default service provider for RMIClassLoader.
Returns:
the default provider for RMIClassLoader

getSecurityContext

public static Object getSecurityContext(ClassLoader loader)

Deprecated.

loadClass

public static Class loadClass(String name)
 throws MalformedURLException,
 ClassNotFoundException

Deprecated.

loadClass

public static Class loadClass(String codebase,
 String name)
 throws MalformedURLException,
 ClassNotFoundException

loadClass

public static Class loadClass(String codebase,
 String name,
 ClassLoader defaultLoader)
 throws MalformedURLException,
 ClassNotFoundException

loadClass

public static Class loadClass(URL codeBase,
 String name)
 throws MalformedURLException,
 ClassNotFoundException

Loads a class from codeBase. This method delegates to RMIClassLoaderSpi.loadClass(String,String,ClassLoader) and passes codeBase.toString() as first argument, name as second argument and null as third argument.
Parameters:
codeBase - the code base from which to load the class
name - the name of the class
Returns:
the loaded class
Throws:
MalformedURLException - if the URL is not well formed
ClassNotFoundException - if the requested class cannot be found

loadProxyClass

public static Class loadProxyClass(String codeBase,
 String[] interfaces,
 ClassLoader defaultLoader)
 throws MalformedURLException,
 ClassNotFoundException

RMIClassLoader.java -- Copyright (c) 1996, 1997, 1998, 1999, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

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