src/main/java/eu/svjatoslav/meviz/renamer/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.renamer;
  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 import eu.svjatoslav.meviz.encoder.EncodingOptions;
  19
  20 public class CommandlineHandler {
  21
  22         Parser parser = new Parser();
  23
  24         NullParameter recursiveParameter = parser.createNullParameter(
  25                         "Enable recursive mode.").addAliases("-r", "--recursive");
  26
  27         NullParameter testParameter = parser.createNullParameter(
  28                         "Simulate renaming (no changes will be actually done).")
  29                         .addAliases("-t", "--test");
  30
  31         StringParameter outputPatternParameter = parser.createStringParameter(
  32                         "Output pattern.").addAliases("-o", "--output-pattern");
  33
  34         StringParameter inputPatternParameter = parser.createStringParameter(
  35                         "File input pattern.").addAliases("-i", "--input-pattern");
  36
  37         DirectoryParameter workingDirectoryParameter = parser
  38                         .createDirectoryParameter("Working directory.")
  39                         .addAliases("-w", "--working-directory").mustExist();
  40
  41         /**
  42          * @return {@link EncodingOptions} if commandline arguments were
  43          *         successfully parsed, or <code>null</code> if parsing error
  44          *         occurred.
  45          */
  46         public RenamingOptions parseCommandlineArguments(final String[] args) {
  47
  48                 final RenamingOptions options = new RenamingOptions();
  49
  50                 if (!parser.parse(args))
  51                         return null;
  52
  53                 if (testParameter.isParameterSpecified())
  54                         options.testOnly = true;
  55
  56                 if (recursiveParameter.isParameterSpecified())
  57                         options.recursive = true;
  58
  59                 if (outputPatternParameter.isParameterSpecified())
  60                         options.outputPattern = outputPatternParameter.getValue();
  61
  62                 if (workingDirectoryParameter.isParameterSpecified())
  63                         options.targetDirectory = workingDirectoryParameter.getValue();
  64                 else
  65                         options.targetDirectory = new File(System.getProperty("user.dir"));
  66
  67                 // TODO: add multiple input patterns support
  68                 if (inputPatternParameter.isParameterSpecified())
  69                         options.inputPatterns.addAll(inputPatternParameter
  70                                         .getArgumentsAsStrings());
  71
  72                 return options;
  73         }
  74 }