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Viewing changes to src/javazoom/jl/player/jlp.java

  • Committer: Richard Leo Marsh Warburton
  • Date: 2007-01-13 22:08:02 UTC
  • mto: (1.1.6 gryle)
  • mto: This revision was merged to the branch mainline in revision 9.
  • Revision ID: rlmw@viglab-28-20070113220802-6cjjur0hdk1rce47
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src/javazoom/jl/player/jlp.java
 
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/*
 
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 * 11/19/04             1.0 moved to LGPL.
 
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 * 
 
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 * 06/04/01             Streaming support added. javalayer@javazoom.net
 
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 * 
 
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 * 29/01/00             Initial version. mdm@techie.com
 
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 *-----------------------------------------------------------------------
 
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 *   This program is free software; you can redistribute it and/or modify
 
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 *   it under the terms of the GNU Library General Public License as published
 
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 *   by the Free Software Foundation; either version 2 of the License, or
 
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 *   (at your option) any later version.
 
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 *
 
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 *   This program is distributed in the hope that it will be useful,
 
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *   GNU Library General Public License for more details.
 
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 *
 
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 *   You should have received a copy of the GNU Library General Public
 
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 *   License along with this program; if not, write to the Free Software
 
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 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
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 *----------------------------------------------------------------------
 
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 */
 
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package javazoom.jl.player;
 
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import java.io.BufferedInputStream;
 
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import java.io.FileInputStream;
 
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import java.io.IOException;
 
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import java.io.InputStream;
 
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import java.net.URL;
 
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import javazoom.jl.decoder.JavaLayerException;
 
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/**
 
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 * The <code>jlp</code> class implements a simple command-line player for MPEG
 
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 * audio files.
 
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 * 
 
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 * @author Mat McGowan (mdm@techie.com)
 
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 */
 
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public class jlp {
 
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        private String fFilename = null;
 
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        private boolean remote = false;
 
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        public static void main(String[] args) {
 
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                int retval = 0;
 
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                try {
 
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                        jlp player = createInstance(args);
 
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                        if (player != null)
 
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                                player.play();
 
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                } catch (Exception ex) {
 
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                        System.err.println(ex);
 
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                        ex.printStackTrace(System.err);
 
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                        retval = 1;
 
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                }
 
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                System.exit(retval);
 
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        }
 
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        static public jlp createInstance(String[] args) {
 
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                jlp player = new jlp();
 
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                if (!player.parseArgs(args))
 
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                        player = null;
 
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                return player;
 
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        }
 
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        private jlp() {
 
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        }
 
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        public jlp(String filename) {
 
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                init(filename);
 
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        }
 
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        protected void init(String filename) {
 
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                fFilename = filename;
 
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        }
 
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        protected boolean parseArgs(String[] args) {
 
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                boolean parsed = false;
 
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                if (args.length == 1) {
 
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                        init(args[0]);
 
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                        parsed = true;
 
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                        remote = false;
 
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                } else if (args.length == 2) {
 
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                        if (!(args[0].equals("-url"))) {
 
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                                showUsage();
 
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                        } else {
 
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                                init(args[1]);
 
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                                parsed = true;
 
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                                remote = true;
 
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                        }
 
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                } else {
 
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                        showUsage();
 
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                }
 
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                return parsed;
 
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        }
 
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        public void showUsage() {
 
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                System.out.println("Usage: jlp [-url] <filename>");
 
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                System.out.println("");
 
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                System.out.println(" e.g. : java javazoom.jl.player.jlp localfile.mp3");
 
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                System.out
 
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                                .println("        java javazoom.jl.player.jlp -url http://www.server.com/remotefile.mp3");
 
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                System.out
 
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                                .println("        java javazoom.jl.player.jlp -url http://www.shoutcastserver.com:8000");
 
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        }
 
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        public void play() throws JavaLayerException {
 
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                try {
 
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                        System.out.println("playing " + fFilename + "...");
 
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                        InputStream in = null;
 
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                        if (remote == true)
 
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                                in = getURLInputStream();
 
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                        else
 
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                                in = getInputStream();
 
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                        AudioDevice dev = getAudioDevice();
 
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                        Player player = new Player(in, dev);
 
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                        player.play();
 
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                } catch (IOException ex) {
 
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                        throw new JavaLayerException("Problem playing file " + fFilename,
 
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                                        ex);
 
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                } catch (Exception ex) {
 
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                        throw new JavaLayerException("Problem playing file " + fFilename,
 
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                                        ex);
 
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                }
 
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        }
 
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        /**
 
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         * Playing file from URL (Streaming).
 
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         */
 
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        protected InputStream getURLInputStream() throws Exception {
 
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                URL url = new URL(fFilename);
 
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                InputStream fin = url.openStream();
 
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                BufferedInputStream bin = new BufferedInputStream(fin);
 
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                return bin;
 
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        }
 
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        /**
 
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         * Playing file from FileInputStream.
 
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         */
 
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        protected InputStream getInputStream() throws IOException {
 
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                FileInputStream fin = new FileInputStream(fFilename);
 
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                BufferedInputStream bin = new BufferedInputStream(fin);
 
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                return bin;
 
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        }
 
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        protected AudioDevice getAudioDevice() throws JavaLayerException {
 
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                return FactoryRegistry.systemRegistry().createAudioDevice();
 
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        }
 
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}