src/main/java/eu/svjatoslav/meviz/textsplitter/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.textsplitter;
  11
  12 import java.io.File;
  13
  14 import eu.svjatoslav.commons.commandline.parameterparser.Parameter;
  15 import eu.svjatoslav.commons.commandline.parameterparser.Parser;
  16
  17 public class CommandlineHandler {
  18
  19         Parameter recursiveParameter = new Parameter("Enable recursive mode.",
  20                         "-r", "--recursive");
  21
  22         Parameter inputPatternParameter = new Parameter(
  23                         true,
  24                         true,
  25                         true,
  26                         new eu.svjatoslav.commons.commandline.parameterparser.arguments.String(),
  27                         "File input pattern.", "-i", "--input-pattern");
  28
  29         Parameter workingDirectoryParameter = new Parameter(
  30                         false,
  31                         true,
  32                         true,
  33                         new eu.svjatoslav.commons.commandline.parameterparser.arguments.ExistingDirectory(),
  34                         "Working directory.", "-w", "--working-directory");
  35
  36         public Parser initParser() {
  37
  38                 final Parser parser = new Parser();
  39                 parser.addParameter(recursiveParameter);
  40                 parser.addParameter(inputPatternParameter);
  41                 parser.addParameter(workingDirectoryParameter);
  42
  43                 return parser;
  44         }
  45
  46         public TextSplittingOptions parseCommandlineArguments(final String[] args) {
  47
  48                 final TextSplittingOptions options = new TextSplittingOptions();
  49
  50                 final Parser parser = initParser();
  51                 if (!parser.parse(args))
  52                         return null;
  53
  54                 if (recursiveParameter.isParameterSpecified())
  55                         options.recursive = true;
  56
  57                 if (workingDirectoryParameter.isParameterSpecified())
  58                         options.targetDirectory = workingDirectoryParameter
  59                                         .getArgumentsAsFiles().get(0);
  60                 else
  61                         options.targetDirectory = new File(System.getProperty("user.dir"));
  62
  63                 if (inputPatternParameter.isParameterSpecified())
  64                         options.inputPatterns.addAll(inputPatternParameter
  65                                         .getArgumentsAsStrings());
  66
  67                 return options;
  68         }
  69 }