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.Parser;
  15 import eu.svjatoslav.commons.commandline.parameterparser.parameter.DirectoryParameter;
  16 import eu.svjatoslav.commons.commandline.parameterparser.parameter.NullParameter;
  17 import eu.svjatoslav.commons.commandline.parameterparser.parameter.StringParameters;
  18
  19 public class CommandlineHandler {
  20
  21         Parser parser = new Parser();
  22
  23         NullParameter recursiveParameter = parser.createNullParameter(
  24                         "Enable recursive mode.").addAliases("-r", "--recursive");
  25
  26         StringParameters fileInputPatternsParameter = parser
  27                         .createStringParameters("File input pattern.")
  28                         .addAliases("-i", "--input-pattern").setMandatory();
  29
  30         StringParameters splitPatternsParameter = parser
  31                         .createStringParameters("File split regular expression.")
  32                         .addAliases("-s", "--split-pattern").setMandatory();
  33
  34         DirectoryParameter workingDirectoryParameter = parser
  35                         .createDirectoryParameter("Working directory.").addAliases("-w",
  36                                         "--working-directory");
  37
  38         public TextSplittingOptions parseCommandlineArguments(final String[] args) {
  39
  40                 final TextSplittingOptions options = new TextSplittingOptions();
  41
  42                 if (!parser.parse(args))
  43                         return null;
  44
  45                 if (recursiveParameter.isParameterSpecified())
  46                         options.recursive = true;
  47
  48                 if (workingDirectoryParameter.isParameterSpecified())
  49                         options.targetDirectory = workingDirectoryParameter.getValue();
  50                 else
  51                         options.targetDirectory = new File(System.getProperty("user.dir"));
  52
  53                 if (fileInputPatternsParameter.isParameterSpecified())
  54                         options.fileInputPatterns.addAll(fileInputPatternsParameter
  55                                         .getValue());
  56
  57                 if (splitPatternsParameter.isParameterSpecified())
  58                         options.textSplitPatterns.addAll(splitPatternsParameter.getValue());
  59
  60                 return options;
  61         }
  62 }