src/main/java/eu/svjatoslav/meviz/replace/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.replace;
  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.add(
  24                         new NullParameter("Enable recursive mode.")).addAliases("-r",
  25                         "--recursive");
  26
  27         StringParameter searchForPattern = parser
  28                         .add(new StringParameter("String to search for"))
  29                         .addAliases("-s", "--search-pattern").setMandatory();
  30
  31         StringParameter replaceWithPattern = parser.add(
  32                         new StringParameter("String to place instead")).addAliases("-p",
  33                                         "--replace-pattern");
  34
  35         DirectoryParameter directoryParameter = parser
  36                         .add(new DirectoryParameter("Working directory."))
  37                         .addAliases("-w", "--working-directory").mustExist();
  38
  39         public CommandlineOptions parseCommandlineArguments(final String[] args) {
  40
  41                 final CommandlineOptions options = new CommandlineOptions();
  42
  43                 if (!parser.parse(args))
  44                         return null;
  45
  46                 if (recursiveParameter.isParameterSpecified())
  47                         options.recursive = true;
  48
  49                 if (directoryParameter.isParameterSpecified())
  50                         options.targetDirectory = directoryParameter.getValue();
  51                 else
  52                         options.targetDirectory = new File(System.getProperty("user.dir"));
  53
  54                 if (searchForPattern.isParameterSpecified())
  55                         options.searchForPattern = searchForPattern.getValue();
  56
  57                 if (replaceWithPattern.isParameterSpecified())
  58                         options.replaceWithPattern = replaceWithPattern.getValue();
  59
  60                 return options;
  61         }
  62 }