Java tutorial
/* * Copyright 1999-2010 University of Chicago * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy * of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package org.globus.workspace.remoting; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.newsclub.net.unix.rmi.AFUNIXNaming; import org.springframework.core.io.Resource; import java.io.File; import java.io.IOException; import java.rmi.NotBoundException; import java.rmi.Remote; import java.rmi.RemoteException; import java.rmi.registry.Registry; public class RemotingClient { private static final Log logger = LogFactory.getLog(RemotingClient.class.getName()); private File socketDirectory; private Registry rmiRegistry; public void initialize() throws RemoteException { if (this.socketDirectory == null) { throw new IllegalStateException("socketDirectory must be specified"); } if (!this.socketDirectory.isDirectory()) { throw new IllegalStateException("socketDirectory must be an existing directory"); } AFUNIXNaming naming = AFUNIXNaming.getInstance(this.socketDirectory); logger.debug("Socket directory: " + naming.getSocketFactory().getSocketDir()); this.rmiRegistry = naming.getRegistry(); } public Remote lookup(String name) throws RemoteException, NotBoundException { if (name == null) { throw new IllegalArgumentException("name may not be null"); } if (this.rmiRegistry == null) { throw new IllegalStateException("Remoting client is uninitialized"); } return this.rmiRegistry.lookup(name); } public File getSocketDirectory() { return socketDirectory; } public void setSocketDirectory(File socketDirectory) { this.socketDirectory = socketDirectory; } public void setSocketResource(Resource socketResource) throws IOException { this.socketDirectory = socketResource.getFile(); } }