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.Parameter;
  13 import eu.svjatoslav.commons.commandline.parameterparser.Parser;
  14 import eu.svjatoslav.commons.commandline.parameterparser.arguments.StringArgument;
  15
  16 public class CommandlineHandler {
  17
  18         Parameter outputFormatParameter = new Parameter(true, true, true,
  19                         new StringArgument(), "Encoding output format.", "-o",
  20                         "--output-format");
  21
  22         Parameter terminalParameter = new Parameter("Enable popup terminal.",
  23                         "--terminal");
  24
  25         Parameter deinterlaceParameter = new Parameter("Deinterlace video.",
  26                         "--deinterlace", "-d");
  27
  28         Parameter testParameter = new Parameter("Simulate file encoding.", "-t",
  29                         "--test");
  30
  31         Parameter recursiveParameter = new Parameter("Enable recursive mode.",
  32                         "-r", "--recursive");
  33
  34         Parameter inputPatternParameter = new Parameter(true, true, true,
  35                         new StringArgument(), "File input pattern.", "-i",
  36                         "--input-pattern");
  37
  38         Parameter workingDirectoryParameter = new Parameter(
  39                         false,
  40                         true,
  41                         true,
  42                         new eu.svjatoslav.commons.commandline.parameterparser.arguments.ExistingDirectory(),
  43                         "Working directory.", "-w", "--working-directory");
  44
  45         Parameter videoBitrateParameter = new Parameter(false, true, false,
  46                         new Bitrate(), "Video bitrate.", "-v", "--video-bitrate");
  47
  48         public Parser initParser() {
  49                 final Parser parser = new Parser();
  50
  51                 parser.addParameter(recursiveParameter);
  52
  53                 parser.addParameter(deinterlaceParameter);
  54
  55                 parser.addParameter(testParameter);
  56
  57                 parser.addParameter(terminalParameter);
  58
  59                 parser.addParameter(outputFormatParameter);
  60
  61                 parser.addParameter(inputPatternParameter);
  62
  63                 parser.addParameter(workingDirectoryParameter);
  64
  65                 parser.addParameter(videoBitrateParameter);
  66
  67                 return parser;
  68         }
  69
  70         /**
  71          * @return {@link EncodingOptions} if commandline arguments were
  72          *         successfully parsed, or <code>null</code> if parsing error
  73          *         occurred.
  74          */
  75         public EncodingOptions parseCommandlineArguments(final String[] args) {
  76
  77                 final EncodingOptions options = new EncodingOptions();
  78
  79                 final Parser parser = initParser();
  80                 parser.parse(args);
  81
  82                 if (recursiveParameter.isParameterSpecified())
  83                         options.recursive = true;
  84
  85                 if (deinterlaceParameter.isParameterSpecified())
  86                         options.deinterlace = true;
  87
  88                 if (terminalParameter.isParameterSpecified())
  89                         options.terminal = true;
  90
  91                 if (testParameter.isParameterSpecified())
  92                         options.testOnly = true;
  93
  94                 if (outputFormatParameter.isParameterSpecified())
  95                         options.outputFormats.addAll(outputFormatParameter
  96                                         .getArgumentsAsStrings());
  97
  98                 if (workingDirectoryParameter.isParameterSpecified())
  99                         options.workingDirectory = workingDirectoryParameter
 100                                         .getArgumentsAsFiles().get(0);
 101
 102                 if (inputPatternParameter.isParameterSpecified())
 103                         options.inputPatterns.addAll(inputPatternParameter
 104                                         .getArgumentsAsStrings());
 105
 106                 if (videoBitrateParameter.isParameterSpecified())
 107                         try {
 108                                 options.videoBitrate = Bitrate.bitrate
 109                                                 .valueOf(videoBitrateParameter.getArgumentAsString()
 110                                                                 .toUpperCase());
 111                         } catch (final Exception e) {
 112                                 System.out
 113                                                 .println("Invalid video bitrate. Valid values are: LOW, MEDIUM, HIGH.");
 114                                 return null;
 115                         }
 116
 117                 return options;
 118         }
 119 }