001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.xbean.terminal.telnet;
018    
019    import java.io.IOException;
020    import java.io.InputStream;
021    import java.io.OutputStream;
022    import java.io.PrintStream;
023    import java.net.Socket;
024    
025    import org.apache.xbean.command.CommandShell;
026    
027    public class TelnetShell {
028    
029        private final String serverName;
030    
031        public TelnetShell(String serverName) {
032            this.serverName = serverName;
033        }
034    
035        public void service(Socket socket) throws IOException {
036    
037            try {
038                service(socket.getInputStream(), socket.getOutputStream());
039            } catch (IOException e) {
040                e.printStackTrace();
041            } finally {
042                if (socket != null) socket.close();
043            }
044        }
045    
046        public void service(InputStream in, OutputStream out) throws IOException {
047            InputStream telnetIn = null;
048            PrintStream telnetOut = null;
049            try {
050                telnetIn = new TelnetInputStream(in, out);
051                telnetOut = new TelnetPrintStream(out);
052    
053                telnetOut.println(serverName + " Console");
054                telnetOut.println("type \'help\' for a list of commands");
055    
056                // TODO:1: Login
057                //...need a security service first
058    
059                CommandShell shell = new CommandShell(serverName);
060                shell.main(new String[]{}, telnetIn, telnetOut);
061    
062            } catch (Throwable t) {
063                // TODO: log this
064            } finally {
065                if (telnetIn != null){
066                    telnetIn.close();
067                }
068                if (telnetOut != null) {
069                    telnetOut.close();
070                }
071            }
072        }
073    }