Package com.optimaize.langdetect.cybozu

Class CommandLineInterface

  • public class CommandLineInterface
extends java.lang.Object
    LangDetect Command Line Interface.

    This is a command line interface of Language Detection Library "LangDetect".

    Renamed: this class was previously known as "Command".

    TODO after my recent changes switching to the new Detector this code is untested. -Fabian

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.util.List<java.lang.String> arglist  
      private static double DEFAULT_ALPHA
      smoothing default parameter (ELE)
      private java.util.Map<java.lang.String,​java.lang.String> opt_with_value
      for Command line easy parser
      private java.util.Set<java.lang.String> opt_without_value  
      private java.util.Map<java.lang.String,​java.lang.String> values  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      private void addOpt​(java.lang.String opt, java.lang.String key, java.lang.String value)  
      void batchTest()
      Batch Test of Language Detection (--batchtest option)
      void detectLang()
      Language detection test for each file (--detectlang option)
      void generateProfile()
      Generate Language Profile from a text file.
      private double getParamDouble​(java.lang.String key, double defaultValue)
      Returns the double, or the default is absent.
      private @Nullable java.lang.Long getParamLongOrNull​(java.lang.String key)  
      private boolean hasParam​(java.lang.String opt)  
      static void main​(java.lang.String[] args)
      Command Line Interface
      private LanguageDetector makeDetector()
      Using all language profiles from the given directory.
      private void parse​(java.lang.String[] args)
      Command line easy parser
      private @NotNull java.lang.String requireParamString​(@NotNull java.lang.String key)  
      private java.io.File searchFile​(java.io.File directory, java.lang.String pattern)
      File search (easy glob)

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • DEFAULT_ALPHA

        private static final double DEFAULT_ALPHA
        smoothing default parameter (ELE)
        See Also:
        Constant Field Values

      • opt_with_value

        private final java.util.Map<java.lang.String,​java.lang.String> opt_with_value
        for Command line easy parser

      • values

        private final java.util.Map<java.lang.String,​java.lang.String> values

      • opt_without_value

        private final java.util.Set<java.lang.String> opt_without_value

      • arglist

        private final java.util.List<java.lang.String> arglist

    • Constructor Detail

      • CommandLineInterface

        public CommandLineInterface()

    • Method Detail

      • main

        public static void main​(java.lang.String[] args)
                 throws java.io.IOException
        Command Line Interface
        Parameters:
        args - command line arguments
        Throws:
        java.io.IOException

      • parse

        private void parse​(java.lang.String[] args)
        Command line easy parser
        Parameters:
        args - command line arguments

      • addOpt

        private void addOpt​(java.lang.String opt,
                    java.lang.String key,
                    java.lang.String value)

      • requireParamString

        @NotNull
private @NotNull java.lang.String requireParamString​(@NotNull
                                                     @NotNull java.lang.String key)

      • getParamDouble

        private double getParamDouble​(java.lang.String key,
                              double defaultValue)
        Returns the double, or the default is absent. Throws if the double is specified but invalid.

      • getParamLongOrNull

        @Nullable
private @Nullable java.lang.Long getParamLongOrNull​(java.lang.String key)

      • hasParam

        private boolean hasParam​(java.lang.String opt)

      • searchFile

        private java.io.File searchFile​(java.io.File directory,
                                java.lang.String pattern)
        File search (easy glob)
        Parameters:
        directory - directory path
        pattern - searching file pattern with regular representation
        Returns:
        matched file

      • generateProfile

        public void generateProfile()
        Generate Language Profile from a text file. 
         usage: --genprofile [text file] [language name]

      • detectLang

        public void detectLang()
                throws java.io.IOException
        Language detection test for each file (--detectlang option) 
         usage: --detectlang -d [profile directory] -a [alpha] -s [seed] [test file(s)]
        Throws:
        java.io.IOException

      • batchTest

        public void batchTest()
               throws java.io.IOException
        Batch Test of Language Detection (--batchtest option) 
         usage: --batchtest -d [profile directory] -a [alpha] -s [seed] [test data(s)]
        The format of test data(s): 
           [correct language name]\t[text body for test]\n
        Throws:
        java.io.IOException

      • makeDetector

        private LanguageDetector makeDetector()
                               throws java.io.IOException
        Using all language profiles from the given directory.
        Throws:
        java.io.IOException