src/main/java/eu/svjatoslav/meviz/encoder/CommandlineHandler.java

   1 /*
   2  * Meviz - Various tools collection to work with multimedia.
   3  * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of version 2 of the GNU General Public License
   7  * as published by the Free Software Foundation.
   8  */
   9
  10 package eu.svjatoslav.meviz.encoder;
  11
  12 import eu.svjatoslav.commons.commandline.parameterparser.Parser;
  13 import eu.svjatoslav.commons.commandline.parameterparser.parameter.DirectoryParameter;
  14 import eu.svjatoslav.commons.commandline.parameterparser.parameter.NullParameter;
  15 import eu.svjatoslav.commons.commandline.parameterparser.parameter.StringParameters;
  16
  17 public class CommandlineHandler {
  18
  19         Parser parser = new Parser();
  20
  21         StringParameters outputFormatParameter = parser
  22                         .add(new StringParameters("Encoding output format."))
  23                         .addAliases("-o", "--output-format").setMandatory();
  24
  25         NullParameter deinterlaceParameter = parser.add(
  26                         new NullParameter("Deinterlace video.")).addAliases(
  27                         "--deinterlace", "-d");
  28
  29         NullParameter testParameter = parser.add(
  30                         new NullParameter("Simulate file encoding.")).addAliases("-t",
  31                                         "--test");
  32
  33         NullParameter recursiveParameter = parser.add(
  34                         new NullParameter("Enable recursive mode.")).addAliases("-r",
  35                         "--recursive");
  36
  37         NullParameter forPortableParameter = parser.add(
  38                         new NullParameter("Encode for portable player.")).addAliases("-p",
  39                                         "--portable");
  40
  41         StringParameters inputPatternParameter = parser
  42                         .add(new StringParameters("File input pattern."))
  43                         .addAliases("-i", "--input-pattern").setMandatory();
  44
  45         DirectoryParameter workingDirectoryParameter = parser
  46                         .add(new DirectoryParameter("Working directory."))
  47                         .addAliases("-w", "--working-directory").mustExist();
  48
  49         BitrateParameter videoBitrateParameter = parser.add(
  50                         new BitrateParameter("Video bitrate")).addAliases("-v",
  51                         "--video-bitrate");
  52
  53         BitrateParameter audioBitrateParameter = parser.add(
  54                         new BitrateParameter("Audio bitrate")).addAliases("-a",
  55                                         "--audio-bitrate");
  56
  57         /**
  58          * @return {@link EncodingOptions} if commandline arguments were
  59          *         successfully parsed, or <code>null</code> if parsing error
  60          *         occurred.
  61          */
  62         public EncodingOptions parseCommandlineArguments(final String[] args) {
  63
  64                 final EncodingOptions options = new EncodingOptions();
  65
  66                 parser.parse(args);
  67
  68                 options.recursive = recursiveParameter.isParameterSpecified();
  69
  70                 options.deinterlace = deinterlaceParameter.isParameterSpecified();
  71
  72                 options.testOnly = testParameter.isParameterSpecified();
  73
  74                 if (outputFormatParameter.isParameterSpecified())
  75                         options.outputFormats.addAll(outputFormatParameter.getValue());
  76
  77                 if (workingDirectoryParameter.isParameterSpecified())
  78                         options.workingDirectory = workingDirectoryParameter.getValue();
  79
  80                 if (inputPatternParameter.isParameterSpecified())
  81                         options.inputPatterns.addAll(inputPatternParameter.getValue());
  82
  83                 options.forPortablePlayer = forPortableParameter.isParameterSpecified();
  84
  85                 if (videoBitrateParameter.isParameterSpecified())
  86                         options.setVideoBitrate(videoBitrateParameter.getValue());
  87
  88                 if (audioBitrateParameter.isParameterSpecified())
  89                         options.setAudioBitrate(audioBitrateParameter.getValue());
  90
  91                 return options;
  92         }
  93 }