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.OutputStream;
020    import java.io.PrintStream;
021    
022    public class TelnetPrintStream extends PrintStream {
023        private final byte[] CRLF = new byte[]{(byte) '\r', (byte) '\n'};
024    
025        public TelnetPrintStream(OutputStream out) {
026            super(out);
027        }
028    
029        public void println() {
030            newLine();
031        }
032    
033        public void println(String x) {
034            synchronized (this) {
035                print(x);
036                newLine();
037            }
038        }
039    
040        public void println(long x) {
041            synchronized (this) {
042                print(x);
043                newLine();
044            }
045        }
046    
047        public void println(char x) {
048            synchronized (this) {
049                print(x);
050                newLine();
051            }
052        }
053    
054        public void println(boolean x) {
055            synchronized (this) {
056                print(x);
057                newLine();
058            }
059        }
060    
061        public void println(float x) {
062            synchronized (this) {
063                print(x);
064                newLine();
065            }
066        }
067    
068        public void println(double x) {
069            synchronized (this) {
070                print(x);
071                newLine();
072            }
073        }
074    
075        public void println(int x) {
076            synchronized (this) {
077                print(x);
078                newLine();
079            }
080        }
081    
082        public void println(char x[]) {
083            synchronized (this) {
084                print(x);
085                newLine();
086            }
087        }
088    
089        private void newLine() {
090            try {
091                this.write(CRLF);
092            } catch (Exception e) {
093            }
094        }
095    }