src/main/java/eu/svjatoslav/meviz/renamer/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.renamer;
  11
  12 import java.io.File;
  13
  14 import eu.svjatoslav.commons.commandline.parameterparser.Parameter;
  15 import eu.svjatoslav.commons.commandline.parameterparser.Parser;
  16 import eu.svjatoslav.commons.commandline.parameterparser.arguments.ExistingDirectory;
  17 import eu.svjatoslav.commons.commandline.parameterparser.arguments.StringArgument;
  18 import eu.svjatoslav.meviz.encoder.EncodingOptions;
  19
  20 public class CommandlineHandler {
  21
  22         Parameter recursiveParameter = new Parameter("Enable recursive mode.",
  23                         "-r", "--recursive");
  24
  25         Parameter testParameter = new Parameter(
  26                         "Simulate renaming (no changes will be actually done).", "-t",
  27                         "--test");
  28
  29         Parameter outputPatternParameter = new Parameter(true, true, true,
  30                         new StringArgument(), "Output pattern.", "-o", "--output-pattern");
  31
  32         Parameter inputPatternParameter = new Parameter(true, true, true,
  33                         new StringArgument(), "File input pattern.", "-i",
  34                         "--input-pattern");
  35
  36         Parameter workingDirectoryParameter = new Parameter(false, true, true,
  37                         new ExistingDirectory(), "Working directory.", "-w",
  38                         "--working-directory");
  39
  40         public Parser initParser() {
  41
  42                 final Parser parser = new Parser();
  43                 parser.addParameter(recursiveParameter);
  44                 parser.addParameter(testParameter);
  45                 parser.addParameter(outputPatternParameter);
  46                 parser.addParameter(inputPatternParameter);
  47                 parser.addParameter(workingDirectoryParameter);
  48
  49                 return parser;
  50         }
  51
  52         /**
  53          * @return {@link EncodingOptions} if commandline arguments were
  54          *         successfully parsed, or <code>null</code> if parsing error
  55          *         occurred.
  56          */
  57         public RenamingOptions parseCommandlineArguments(final String[] args) {
  58
  59                 final RenamingOptions options = new RenamingOptions();
  60
  61                 final Parser parser = initParser();
  62                 if (!parser.parse(args))
  63                         return null;
  64
  65                 if (testParameter.isParameterSpecified())
  66                         options.testOnly = true;
  67
  68                 if (recursiveParameter.isParameterSpecified())
  69                         options.recursive = true;
  70
  71                 if (outputPatternParameter.isParameterSpecified())
  72                         options.outputPattern = outputPatternParameter
  73                                         .getArgumentsAsStrings().get(0);
  74
  75                 if (workingDirectoryParameter.isParameterSpecified())
  76                         options.targetDirectory = workingDirectoryParameter
  77                                         .getArgumentsAsFiles().get(0);
  78                 else
  79                         options.targetDirectory = new File(System.getProperty("user.dir"));
  80
  81                 if (inputPatternParameter.isParameterSpecified())
  82                         options.inputPatterns.addAll(inputPatternParameter
  83                                         .getArgumentsAsStrings());
  84
  85                 return options;
  86         }
  87 }