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.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         StringParameter galleryNameParameter = parser.add(
  25                         new StringParameter("Gallery title. (default is: "
  26                                         + Constants.DEFAULT_GALLERY_TITLE + ").")).addAliases("-t",
  27                         "--gallery-title");
  28
  29         DirectoryParameter workingDirectoryParameter = parser
  30                         .add(new DirectoryParameter("Working directory."))
  31                         .addAliases("-w", "--working-directory").mustExist();
  32
  33         NullParameter removeIndex = parser.add(
  34                         new NullParameter("Remove generated index")).addAliases("-r",
  35                         "--remove");
  36
  37         public String getGalleryTitle() {
  38                 if (galleryNameParameter.isParameterSpecified())
  39                         return galleryNameParameter.getValue();
  40                 return Constants.DEFAULT_GALLERY_TITLE;
  41         }
  42
  43         public File getWorkingDirectory() {
  44                 if (workingDirectoryParameter.isParameterSpecified())
  45                         return workingDirectoryParameter.getValue();
  46                 else
  47                         return new File(System.getProperty("user.dir"));
  48         }
  49
  50         /**
  51          * @return {@link EncodingOptions} if commandline arguments were
  52          *         successfully parsed, or <code>null</code> if parsing error
  53          *         occurred.
  54          */
  55         public boolean parseCommandlineArguments(final String[] args) {
  56                 final boolean parsingSucceeded = parser.parse(args);
  57
  58                 if (!parsingSucceeded)
  59                         parser.showHelp();
  60
  61                 return parsingSucceeded;
  62         }
  63 }