B2CConverter (Apache Tomcat 6.0.53 API Documentation)
Keywords: org.apache.tomcat.util.buf.B2CConverter class

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## org.apache.tomcat.util.buf
Class B2CConverter

    java.lang.Object
      org.apache.tomcat.util.buf.B2CConverter

Direct Known Subclasses:
  UTF8Decoder

    public class B2CConverter

extends java.lang.Object

Efficient conversion of bytes to character . This uses the standard JDK mechansim - a reader - but provides mechanisms to recycle all the objects that are used. It is compatible with JDK1.1 and up, ( nio is better, but it's not available even in 1.2 or 1.3 ) Not used in the current code, the performance gain is not very big in the current case ( since String is created anyway ), but it will be used in a later version or after the remaining optimizations.

Constructor Summary
`protected` | `B2CConverter()`
`` | `B2CConverter(java.lang.String encoding)` Create a converter, with bytes going to a byte buffer

Method Summary
`void` | `convert(ByteChunk bb, CharChunk cb)` Deprecated.
`void` | `convert(ByteChunk bb, CharChunk cb, int limit)` Convert a buffer of bytes into a chars.
`static java.nio.charset.Charset` | `getCharset(java.lang.String enc)`
`void` | `recycle()` Reset the internal state, empty the buffers.
`void` | `reset()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### B2CConverter

    protected B2CConverter()

### B2CConverter

    public B2CConverter(java.lang.String encoding)
                 throws java.io.IOException

  Create a converter, with bytes going to a byte buffer

  Throws:
    `java.io.IOException`

Method Detail

### getCharset

    public static java.nio.charset.Charset getCharset(java.lang.String enc)
                                               throws java.io.UnsupportedEncodingException

  Throws:
    `java.io.UnsupportedEncodingException`

### recycle

    public void recycle()

  Reset the internal state, empty the buffers. The encoding remain in effect, the internal buffers remain allocated.

### convert

    public void convert(ByteChunk bb,
                        CharChunk cb)
                 throws java.io.IOException

  Deprecated.

  Convert a buffer of bytes into a chars

  Throws:
    `java.io.IOException`

### convert

    public void convert(ByteChunk bb,
                        CharChunk cb,
                        int limit)
                 throws java.io.IOException

  Convert a buffer of bytes into a chars.

  Parameters:
    `bb` - Input byte buffer
    `cb` - Output char buffer
    `limit` - Number of bytes to convert
  Throws:
    `java.io.IOException`

### reset

    public void reset()
               throws java.io.IOException

  Throws:
    `java.io.IOException`

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