src/main/java/eu/svjatoslav/meviz/htmlindexer/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.htmlindexer;
  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.StringArgument;
  17 import eu.svjatoslav.meviz.encoder.EncodingOptions;
  18
  19 public class CommandlineHandler {
  20
  21         Parameter galleryNameParameter = new Parameter(false, true, false,
  22                         new StringArgument(), "Gallery title. (default is: "
  23                                         + Constants.DEFAULT_GALLERY_TITLE + ").", "-t",
  24                         "--gallery-title");
  25
  26         Parameter workingDirectoryParameter = new Parameter(false, true, true,
  27                         new StringArgument(), "Working directory.", "-w",
  28                         "--working-directory");
  29
  30         public Parser initParser() {
  31
  32                 final Parser parser = new Parser();
  33                 parser.addParameter(galleryNameParameter);
  34                 parser.addParameter(workingDirectoryParameter);
  35
  36                 return parser;
  37         }
  38
  39         /**
  40          * @return {@link EncodingOptions} if commandline arguments were
  41          *         successfully parsed, or <code>null</code> if parsing error
  42          *         occurred.
  43          */
  44         public IndexingOptions parseCommandlineArguments(final String[] args) {
  45
  46                 final IndexingOptions options = new IndexingOptions();
  47
  48                 final Parser parser = initParser();
  49                 if (!parser.parse(args))
  50                         return null;
  51
  52                 if (galleryNameParameter.isParameterSpecified())
  53                         options.galleryTitle = galleryNameParameter.getArgumentsAsStrings()
  54                                         .get(0);
  55
  56                 if (workingDirectoryParameter.isParameterSpecified())
  57                         options.workingDirectory = workingDirectoryParameter
  58                                         .getArgumentsAsFiles().get(0);
  59                 else
  60                         options.workingDirectory = new File(System.getProperty("user.dir"));
  61
  62                 return options;
  63         }
  64 }