/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.commons.net.examples.unix; import java.io.IOException; import java.net.InetAddress; import java.net.UnknownHostException; import org.apache.commons.net.finger.FingerClient; /** * This is an example of how you would implement the finger command in Java using NetComponents. The Java version is much shorter. But keep in mind that the * Unix finger command reads all sorts of local files to output local finger information. This program only queries the finger daemon. *
* The -l flag is used to request long output from the server.
*/
public final class finger {
public static void main(final String[] args) {
boolean longOutput = false;
int arg = 0, index;
String handle, host;
final FingerClient finger;
InetAddress address = null;
// Get flags. If an invalid flag is present, exit with usage message.
while (arg < args.length && args[arg].startsWith("-")) {
if (args[arg].equals("-l")) {
longOutput = true;
} else {
System.err.println("usage: finger [-l] [[[handle][@