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.add(
  24                         new NullParameter("Enable recursive mode.")).addAliases("-r",
  25                         "--recursive");
  26
  27         StringParameters fileInputPatternsParameter = parser.add(
  28                         new StringParameters("File input pattern.").addAliases("-i",
  29                                         "--input-pattern")).setMandatory();
  30
  31         StringParameters splitPatternsParameter = parser
  32                         .add(new StringParameters("File split regular expression."))
  33                         .addAliases("-s", "--split-pattern").setMandatory();
  34
  35         DirectoryParameter workingDirectoryParameter = parser.add(
  36                         new DirectoryParameter("Working directory.")).addAliases("-w",
  37                         "--working-directory");
  38
  39         public TextSplittingOptions parseCommandlineArguments(final String[] args) {
  40
  41                 final TextSplittingOptions options = new TextSplittingOptions();
  42
  43                 if (!parser.parse(args))
  44                         return null;
  45
  46                 if (recursiveParameter.isParameterSpecified())
  47                         options.recursive = true;
  48
  49                 if (workingDirectoryParameter.isParameterSpecified())
  50                         options.targetDirectory = workingDirectoryParameter.getValue();
  51                 else
  52                         options.targetDirectory = new File(System.getProperty("user.dir"));
  53
  54                 if (fileInputPatternsParameter.isParameterSpecified())
  55                         options.fileInputPatterns.addAll(fileInputPatternsParameter
  56                                         .getValue());
  57
  58                 if (splitPatternsParameter.isParameterSpecified())
  59                         options.textSplitPatterns.addAll(splitPatternsParameter.getValue());
  60
  61                 return options;
  62         }
  63 }