/************************************************************** * * 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 installer; import java.io.PrintStream; import java.io.FileOutputStream; import java.util.Date; import java.text.DateFormat; import java.text.SimpleDateFormat; //import java.io.PrintWriter; public class LogStream extends PrintStream { static final private DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z: "); private String getTimeStamp() { String timeStamp = formatter.format( new Date() ); return timeStamp; } public LogStream( String logFileName ) throws java.io.FileNotFoundException { super( new FileOutputStream( logFileName ) ); } public void println(String x) { super.println( getTimeStamp() + x ); } public static void main(String[] args) { if ( args.length > 0 ) { try { LogStream log = new LogStream( args[0] ); System.setErr(log); System.setOut(log); System.out.println("Test from logger from out"); System.err.println("Test from logger from err"); System.out.println("finised test from out"); System.err.println("finised test from err"); } catch( java.io.FileNotFoundException fe ) { System.err.println("Error creating logStream: " + fe ); fe.printStackTrace(); } } else { System.err.println("specify log file java LogStream [logfile]"); System.exit(1); } } }