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## org.apache.struts2.util.tomcat.buf
Class Utf8Decoder

    java.lang.Object
      java.nio.charset.CharsetDecoder
          org.apache.struts2.util.tomcat.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
`Utf8Decoder()`

Method Summary
`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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