Class java.rmi.server.RMIClassLoader - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.rmi.server.RMIClassLoader

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

public class RMIClassLoader
extends Object

The RMIClassLoader class provides static methods for loading classes over the network. Classes can be loaded from either a particular URL, or from the URL specified in the java.rmi.server.codebase system property.

getSecurityContext(ClassLoader): Returns the security context of the given class loader
loadClass(String): Load a class from the URL specified in the java.rmi.server.codebase property.
loadClass(URL, String): Load a class from a URL.

loadClass

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

Load a class from the URL specified in the java.rmi.server.codebase property.

Parameters:: name - the name of the class to load
Returns:: the Class object representing the loaded class
Throws: MalformedURLException: The system property java.rmi.server.codebase does not contain a valid URL.
Throws: ClassNotFoundException: A definition for the class could not be found at the codebase URL.

loadClass

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

Load a class from a URL.

Parameters:: codebase - the URL from which to load the class; name - the name of the class to load
Returns:: the Class object representing the loaded class
Throws: MalformedURLException: The codebase paramater was null.
Throws: ClassNotFoundException: A definition for the class could not be found at the specified URL.

getSecurityContext

 public static Object getSecurityContext(ClassLoader loader)

Returns the security context of the given class loader

Parameters:: loader - a class loader from which to get the security context
Returns:: the security context (e.g., a URL)

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