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