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