src/main/java/eu/svjatoslav/meviz/texttruncate/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.texttruncate;
  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.StringParameter;
  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         StringParameter inputPatternParameter = parser.createStringParameter(
  27                         "File input pattern.").addAliases("-i", "--input-pattern");
  28
  29         DirectoryParameter workingDirectoryParameter = parser
  30                         .createDirectoryParameter("Working directory.").addAliases("-w",
  31                                         "--working-directory");
  32
  33         public TextTruncatingOptions parseCommandlineArguments(final String[] args) {
  34
  35                 final TextTruncatingOptions options = new TextTruncatingOptions();
  36
  37                 if (!parser.parse(args))
  38                         return null;
  39
  40                 if (recursiveParameter.isParameterSpecified())
  41                         options.recursive = true;
  42
  43                 if (workingDirectoryParameter.isParameterSpecified())
  44                         options.targetDirectory = workingDirectoryParameter
  45                                         .getArgumentsAsFiles().get(0);
  46                 else
  47                         options.targetDirectory = new File(System.getProperty("user.dir"));
  48
  49                 if (inputPatternParameter.isParameterSpecified())
  50                         options.inputPatterns.addAll(inputPatternParameter
  51                                         .getArgumentsAsStrings());
  52
  53                 return options;
  54         }
  55 }