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.Parameter;
  15 import eu.svjatoslav.commons.commandline.parameterparser.Parser;
  16 import eu.svjatoslav.commons.commandline.parameterparser.arguments.ExistingDirectory;
  17 import eu.svjatoslav.commons.commandline.parameterparser.arguments.StringArgument;
  18
  19 public class CommandlineHandler {
  20
  21         Parameter recursiveParameter = new Parameter("Enable recursive mode.",
  22                         "-r", "--recursive");
  23
  24         Parameter searchForPattern = new Parameter(true, true, false,
  25                         new StringArgument(), "String to search for", "-s",
  26                         "--search-pattern");
  27
  28         Parameter replaceWithPattern = new Parameter(true, true, false,
  29                         new StringArgument(), "String to place instead", "-p",
  30                         "--replace-pattern");
  31
  32         Parameter workingDirectoryParameter = new Parameter(false, true, false,
  33                         new ExistingDirectory(), "Working directory.", "-w",
  34                         "--working-directory");
  35
  36         public Parser initParser() {
  37
  38                 final Parser parser = new Parser();
  39                 parser.addParameter(recursiveParameter);
  40                 parser.addParameter(searchForPattern);
  41                 parser.addParameter(replaceWithPattern);
  42                 parser.addParameter(workingDirectoryParameter);
  43
  44                 return parser;
  45         }
  46
  47         public CommandlineOptions parseCommandlineArguments(final String[] args) {
  48
  49                 final CommandlineOptions options = new CommandlineOptions();
  50
  51                 final Parser parser = initParser();
  52                 if (!parser.parse(args))
  53                         return null;
  54
  55                 if (recursiveParameter.isParameterSpecified())
  56                         options.recursive = true;
  57
  58                 if (workingDirectoryParameter.isParameterSpecified())
  59                         options.targetDirectory = workingDirectoryParameter
  60                         .getArgumentsAsFiles().get(0);
  61                 else
  62                         options.targetDirectory = new File(System.getProperty("user.dir"));
  63
  64                 if (searchForPattern.isParameterSpecified())
  65                         options.searchForPattern = searchForPattern.getArgumentAsString();
  66
  67                 if (replaceWithPattern.isParameterSpecified())
  68                         options.replaceWithPattern = replaceWithPattern
  69                         .getArgumentAsString();
  70
  71                 return options;
  72         }
  73 }