org.apache.tomcat.util.buf

## Class Utf8Decoder

- java.lang.Object
- - java.nio.charset.CharsetDecoder
  - - org.apache.tomcat.util.buf.Utf8Decoder

-     public class Utf8Decoder
      extends CharsetDecoder

  Decodes bytes to UTF-8. Extracted from Apache Harmony and modified to reject code points from U+D800 to U+DFFF as per RFC3629. The standard Java decoder does not reject these. It has also been modified to reject code points greater than U+10FFFF which the standard Java decoder rejects but the harmony one does not.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `Utf8Decoder()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected CoderResult` | `decodeLoop(ByteBuffer in, CharBuffer out)`

    - ### Methods inherited from class java.nio.charset.CharsetDecoder

      `averageCharsPerByte, charset, decode, decode, detectedCharset, flush, implFlush, implOnMalformedInput, implOnUnmappableCharacter, implReplaceWith, implReset, isAutoDetecting, isCharsetDetected, malformedInputAction, maxCharsPerByte, onMalformedInput, onUnmappableCharacter, replacement, replaceWith, reset, unmappableCharacterAction`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### Utf8Decoder

          public Utf8Decoder()

  - ### Method Detail

    - #### decodeLoop

          protected CoderResult decodeLoop(ByteBuffer in,
                               CharBuffer out)

      Specified by:
        `decodeLoop` in class `CharsetDecoder`

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