Class UniversalDetector

java.lang.Object
org.mozilla.universalchardet.UniversalDetector
public class UniversalDetector extends Object

  • Field Details

    • SHORTCUT_THRESHOLD

      public static final float SHORTCUT_THRESHOLD
      /////////////////////////////////////////////////////////////
      See Also:

    • MINIMUM_THRESHOLD

      public static final float MINIMUM_THRESHOLD
      See Also:

    • inputState

      private UniversalDetector.InputState inputState
      /////////////////////////////////////////////////////////////

    • done

      private boolean done

    • start

      private boolean start

    • gotData

      private boolean gotData

    • onlyPrintableASCII

      private boolean onlyPrintableASCII

    • lastChar

      private byte lastChar

    • detectedCharset

      private String detectedCharset

    • probers

      private CharsetProber[] probers

    • escCharsetProber

      private CharsetProber escCharsetProber

    • listener

      private CharsetListener listener

  • Constructor Details

    • UniversalDetector

      public UniversalDetector()
      /////////////////////////////////////////////////////////////

    • UniversalDetector

      public UniversalDetector(CharsetListener listener)
      Parameters:
      listener - a listener object that is notified of the detected encocoding. Can be null.

  • Method Details

    • isDone

      public boolean isDone()

    • getDetectedCharset

      public String getDetectedCharset()
      Returns:
      The detected encoding is returned. If the detector couldn't determine what encoding was used, null is returned.

    • setListener

      public void setListener(CharsetListener listener)

    • getListener

      public CharsetListener getListener()

    • handleData

      public void handleData(byte[] buf)
      Feed the detector with more data
      Parameters:
      buf - The buffer containing the data

    • handleData

      public void handleData(byte[] buf, int offset, int length)
      Feed the detector with more data
      Parameters:
      buf - Buffer with the data
      offset - initial position of data in buf
      length - length of data

    • detectCharsetFromBOM

      public static String detectCharsetFromBOM(byte[] buf)

    • detectCharsetFromBOM

      private static String detectCharsetFromBOM(byte[] buf, int offset)

    • dataEnd

      public void dataEnd()
      Marks end of data reading. Finish calculations.

    • reset

      public final void reset()
      Resets detector to be used again.

    • detectCharset

      public static String detectCharset(File file) throws IOException
      Gets the charset of a File.
      Parameters:
      file - The file to check charset for
      Returns:
      The charset of the file, null if cannot be determined
      Throws:
      IOException - if some IO error occurs

    • detectCharset

      public static String detectCharset(Path path) throws IOException
      Gets the charset of a Path.
      Parameters:
      path - The path to file to check charset for
      Returns:
      The charset of the file, null if cannot be determined
      Throws:
      IOException - if some IO error occurs

    • detectCharset

      public static String detectCharset(InputStream inputStream) throws IOException
      Gets the charset of content from InputStream.
      Parameters:
      inputStream - InputStream containing text file
      Returns:
      The charset of the file, null if cannot be determined
      Throws:
      IOException - if some IO error occurs