src/main/java/eu/svjatoslav/meviz/bomremove/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.bomremove;
  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.")
  31                         .addAliases("-w", "--working-directory").mustExist();
  32
  33         public Parser initParser() {
  34
  35                 final Parser parser = new Parser();
  36                 parser.addParameter(recursiveParameter);
  37                 parser.addParameter(inputPatternParameter);
  38                 parser.addParameter(workingDirectoryParameter);
  39
  40                 return parser;
  41         }
  42
  43         public BomStrippingOptions parseCommandlineArguments(final String[] args) {
  44
  45                 final BomStrippingOptions options = new BomStrippingOptions();
  46
  47                 final Parser parser = initParser();
  48                 if (!parser.parse(args))
  49                         return null;
  50
  51                 if (recursiveParameter.isParameterSpecified())
  52                         options.recursive = true;
  53
  54                 if (workingDirectoryParameter.isParameterSpecified())
  55                         options.targetDirectory = workingDirectoryParameter.getValue();
  56                 else
  57                         options.targetDirectory = new File(System.getProperty("user.dir"));
  58
  59                 // TODO: add support for multiple input patterns
  60                 if (inputPatternParameter.isParameterSpecified())
  61                         options.inputPatterns.addAll(inputPatternParameter
  62                                         .getArgumentsAsStrings());
  63
  64                 return options;
  65         }
  66 }