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 import eu.svjatoslav.commons.commandline.parameterparser.arguments.ExistingDirectory;
  17 import eu.svjatoslav.commons.commandline.parameterparser.arguments.StringArgument;
  18
  19 public class CommandlineHandler {
  20
  21         Parameter recursiveParameter = new Parameter("Enable recursive mode.",
  22                         "-r", "--recursive");
  23
  24         Parameter fileInputPatternsParameter = new Parameter(true, true, true,
  25                         new StringArgument(), "File input pattern.", "-i",
  26                         "--input-pattern");
  27
  28         Parameter splitPatternsParameter = new Parameter(true, true, true,
  29                         new StringArgument(), "File split regular expression.", "-s",
  30                         "--split-pattern");
  31
  32         Parameter workingDirectoryParameter = new Parameter(false, true, true,
  33                         new ExistingDirectory(), "Working directory.", "-w",
  34                         "--working-directory");
  35
  36         public Parser initParser() {
  37
  38                 final Parser parser = new Parser();
  39                 parser.addParameter(recursiveParameter);
  40                 parser.addParameter(fileInputPatternsParameter);
  41                 parser.addParameter(splitPatternsParameter);
  42                 parser.addParameter(workingDirectoryParameter);
  43
  44                 return parser;
  45         }
  46
  47         public TextSplittingOptions parseCommandlineArguments(final String[] args) {
  48
  49                 final TextSplittingOptions options = new TextSplittingOptions();
  50
  51                 final Parser parser = initParser();
  52                 if (!parser.parse(args))
  53                         return null;
  54
  55                 if (recursiveParameter.isParameterSpecified())
  56                         options.recursive = true;
  57
  58                 if (workingDirectoryParameter.isParameterSpecified())
  59                         options.targetDirectory = workingDirectoryParameter
  60                                         .getArgumentsAsFiles().get(0);
  61                 else
  62                         options.targetDirectory = new File(System.getProperty("user.dir"));
  63
  64                 if (fileInputPatternsParameter.isParameterSpecified())
  65                         options.fileInputPatterns.addAll(fileInputPatternsParameter
  66                                         .getArgumentsAsStrings());
  67
  68                 if (splitPatternsParameter.isParameterSpecified())
  69                         options.textSplitPatterns.addAll(splitPatternsParameter
  70                                         .getArgumentsAsStrings());
  71
  72                 return options;
  73         }
  74 }