You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
242 lines
9.0 KiB
242 lines
9.0 KiB
/*
|
|
* Copyright (c) 1996, 2003, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
package java.rmi.registry;
|
|
|
|
import java.rmi.RemoteException;
|
|
import java.rmi.server.ObjID;
|
|
import java.rmi.server.RMIClientSocketFactory;
|
|
import java.rmi.server.RMIServerSocketFactory;
|
|
import java.rmi.server.RemoteRef;
|
|
import java.rmi.server.UnicastRemoteObject;
|
|
import sun.rmi.registry.RegistryImpl;
|
|
import sun.rmi.server.UnicastRef2;
|
|
import sun.rmi.server.UnicastRef;
|
|
import sun.rmi.server.Util;
|
|
import sun.rmi.transport.LiveRef;
|
|
import sun.rmi.transport.tcp.TCPEndpoint;
|
|
|
|
/**
|
|
* <code>LocateRegistry</code> is used to obtain a reference to a bootstrap
|
|
* remote object registry on a particular host (including the local host), or
|
|
* to create a remote object registry that accepts calls on a specific port.
|
|
*
|
|
* <p> Note that a <code>getRegistry</code> call does not actually make a
|
|
* connection to the remote host. It simply creates a local reference to
|
|
* the remote registry and will succeed even if no registry is running on
|
|
* the remote host. Therefore, a subsequent method invocation to a remote
|
|
* registry returned as a result of this method may fail.
|
|
*
|
|
* @author Ann Wollrath
|
|
* @author Peter Jones
|
|
* @since JDK1.1
|
|
* @see java.rmi.registry.Registry
|
|
*/
|
|
public final class LocateRegistry {
|
|
|
|
/**
|
|
* Private constructor to disable public construction.
|
|
*/
|
|
private LocateRegistry() {}
|
|
|
|
/**
|
|
* Returns a reference to the the remote object <code>Registry</code> for
|
|
* the local host on the default registry port of 1099.
|
|
*
|
|
* @return reference (a stub) to the remote object registry
|
|
* @exception RemoteException if the reference could not be created
|
|
* @since JDK1.1
|
|
*/
|
|
public static Registry getRegistry()
|
|
throws RemoteException
|
|
{
|
|
return getRegistry(null, Registry.REGISTRY_PORT);
|
|
}
|
|
|
|
/**
|
|
* Returns a reference to the the remote object <code>Registry</code> for
|
|
* the local host on the specified <code>port</code>.
|
|
*
|
|
* @param port port on which the registry accepts requests
|
|
* @return reference (a stub) to the remote object registry
|
|
* @exception RemoteException if the reference could not be created
|
|
* @since JDK1.1
|
|
*/
|
|
public static Registry getRegistry(int port)
|
|
throws RemoteException
|
|
{
|
|
return getRegistry(null, port);
|
|
}
|
|
|
|
/**
|
|
* Returns a reference to the remote object <code>Registry</code> on the
|
|
* specified <code>host</code> on the default registry port of 1099. If
|
|
* <code>host</code> is <code>null</code>, the local host is used.
|
|
*
|
|
* @param host host for the remote registry
|
|
* @return reference (a stub) to the remote object registry
|
|
* @exception RemoteException if the reference could not be created
|
|
* @since JDK1.1
|
|
*/
|
|
public static Registry getRegistry(String host)
|
|
throws RemoteException
|
|
{
|
|
return getRegistry(host, Registry.REGISTRY_PORT);
|
|
}
|
|
|
|
/**
|
|
* Returns a reference to the remote object <code>Registry</code> on the
|
|
* specified <code>host</code> and <code>port</code>. If <code>host</code>
|
|
* is <code>null</code>, the local host is used.
|
|
*
|
|
* @param host host for the remote registry
|
|
* @param port port on which the registry accepts requests
|
|
* @return reference (a stub) to the remote object registry
|
|
* @exception RemoteException if the reference could not be created
|
|
* @since JDK1.1
|
|
*/
|
|
public static Registry getRegistry(String host, int port)
|
|
throws RemoteException
|
|
{
|
|
return getRegistry(host, port, null);
|
|
}
|
|
|
|
/**
|
|
* Returns a locally created remote reference to the remote object
|
|
* <code>Registry</code> on the specified <code>host</code> and
|
|
* <code>port</code>. Communication with this remote registry will
|
|
* use the supplied <code>RMIClientSocketFactory</code> <code>csf</code>
|
|
* to create <code>Socket</code> connections to the registry on the
|
|
* remote <code>host</code> and <code>port</code>.
|
|
*
|
|
* @param host host for the remote registry
|
|
* @param port port on which the registry accepts requests
|
|
* @param csf client-side <code>Socket</code> factory used to
|
|
* make connections to the registry. If <code>csf</code>
|
|
* is null, then the default client-side <code>Socket</code>
|
|
* factory will be used in the registry stub.
|
|
* @return reference (a stub) to the remote registry
|
|
* @exception RemoteException if the reference could not be created
|
|
* @since 1.2
|
|
*/
|
|
public static Registry getRegistry(String host, int port,
|
|
RMIClientSocketFactory csf)
|
|
throws RemoteException
|
|
{
|
|
Registry registry = null;
|
|
|
|
if (port <= 0)
|
|
port = Registry.REGISTRY_PORT;
|
|
|
|
if (host == null || host.length() == 0) {
|
|
// If host is blank (as returned by "file:" URL in 1.0.2 used in
|
|
// java.rmi.Naming), try to convert to real local host name so
|
|
// that the RegistryImpl's checkAccess will not fail.
|
|
try {
|
|
host = java.net.InetAddress.getLocalHost().getHostAddress();
|
|
} catch (Exception e) {
|
|
// If that failed, at least try "" (localhost) anyway...
|
|
host = "";
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Create a proxy for the registry with the given host, port, and
|
|
* client socket factory. If the supplied client socket factory is
|
|
* null, then the ref type is a UnicastRef, otherwise the ref type
|
|
* is a UnicastRef2. If the property
|
|
* java.rmi.server.ignoreStubClasses is true, then the proxy
|
|
* returned is an instance of a dynamic proxy class that implements
|
|
* the Registry interface; otherwise the proxy returned is an
|
|
* instance of the pregenerated stub class for RegistryImpl.
|
|
**/
|
|
LiveRef liveRef =
|
|
new LiveRef(new ObjID(ObjID.REGISTRY_ID),
|
|
new TCPEndpoint(host, port, csf, null),
|
|
false);
|
|
RemoteRef ref =
|
|
(csf == null) ? new UnicastRef(liveRef) : new UnicastRef2(liveRef);
|
|
|
|
return (Registry) Util.createProxy(RegistryImpl.class, ref, false);
|
|
}
|
|
|
|
/**
|
|
* Creates and exports a <code>Registry</code> instance on the local
|
|
* host that accepts requests on the specified <code>port</code>.
|
|
*
|
|
* <p>The <code>Registry</code> instance is exported as if the static
|
|
* {@link UnicastRemoteObject#exportObject(Remote,int)
|
|
* UnicastRemoteObject.exportObject} method is invoked, passing the
|
|
* <code>Registry</code> instance and the specified <code>port</code> as
|
|
* arguments, except that the <code>Registry</code> instance is
|
|
* exported with a well-known object identifier, an {@link ObjID}
|
|
* instance constructed with the value {@link ObjID#REGISTRY_ID}.
|
|
*
|
|
* @param port the port on which the registry accepts requests
|
|
* @return the registry
|
|
* @exception RemoteException if the registry could not be exported
|
|
* @since JDK1.1
|
|
**/
|
|
public static Registry createRegistry(int port) throws RemoteException {
|
|
return new RegistryImpl(port);
|
|
}
|
|
|
|
/**
|
|
* Creates and exports a <code>Registry</code> instance on the local
|
|
* host that uses custom socket factories for communication with that
|
|
* instance. The registry that is created listens for incoming
|
|
* requests on the given <code>port</code> using a
|
|
* <code>ServerSocket</code> created from the supplied
|
|
* <code>RMIServerSocketFactory</code>.
|
|
*
|
|
* <p>The <code>Registry</code> instance is exported as if
|
|
* the static {@link
|
|
* UnicastRemoteObject#exportObject(Remote,int,RMIClientSocketFactory,RMIServerSocketFactory)
|
|
* UnicastRemoteObject.exportObject} method is invoked, passing the
|
|
* <code>Registry</code> instance, the specified <code>port</code>, the
|
|
* specified <code>RMIClientSocketFactory</code>, and the specified
|
|
* <code>RMIServerSocketFactory</code> as arguments, except that the
|
|
* <code>Registry</code> instance is exported with a well-known object
|
|
* identifier, an {@link ObjID} instance constructed with the value
|
|
* {@link ObjID#REGISTRY_ID}.
|
|
*
|
|
* @param port port on which the registry accepts requests
|
|
* @param csf client-side <code>Socket</code> factory used to
|
|
* make connections to the registry
|
|
* @param ssf server-side <code>ServerSocket</code> factory
|
|
* used to accept connections to the registry
|
|
* @return the registry
|
|
* @exception RemoteException if the registry could not be exported
|
|
* @since 1.2
|
|
**/
|
|
public static Registry createRegistry(int port,
|
|
RMIClientSocketFactory csf,
|
|
RMIServerSocketFactory ssf)
|
|
throws RemoteException
|
|
{
|
|
return new RegistryImpl(port, csf, ssf);
|
|
}
|
|
}
|