org.eclipse.jetty.http

## Class HttpHeaderValues

- java.lang.Object
- - org.eclipse.jetty.io.BufferCache
  - - org.eclipse.jetty.http.HttpHeaderValues

-     public class HttpHeaderValues
      extends BufferCache

  Cached HTTP Header values. This class caches the conversion of common HTTP Header values to and from `ByteArrayBuffer` instances. The resource "/org/eclipse/jetty/useragents" is checked for a list of common user agents, so that repeated creation of strings for these agents can be avoided.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.eclipse.jetty.io.BufferCache

      `BufferCache.CachedBuffer`

  - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `BYTES`
    `static Buffer` | `BYTES_BUFFER`
    `static int` | `BYTES_ORDINAL`
    `static HttpHeaderValues` | `CACHE`
    `static String` | `CHUNKED`
    `static Buffer` | `CHUNKED_BUFFER`
    `static int` | `CHUNKED_ORDINAL`
    `static String` | `CLOSE`
    `static Buffer` | `CLOSE_BUFFER`
    `static int` | `CLOSE_ORDINAL`
    `static String` | `CONTINUE`
    `static Buffer` | `CONTINUE_BUFFER`
    `static int` | `CONTINUE_ORDINAL`
    `static String` | `GZIP`
    `static Buffer` | `GZIP_BUFFER`
    `static int` | `GZIP_ORDINAL`
    `static String` | `IDENTITY`
    `static Buffer` | `IDENTITY_BUFFER`
    `static int` | `IDENTITY_ORDINAL`
    `static String` | `KEEP_ALIVE`
    `static Buffer` | `KEEP_ALIVE_BUFFER`
    `static int` | `KEEP_ALIVE_ORDINAL`
    `static String` | `NO_CACHE`
    `static Buffer` | `NO_CACHE_BUFFER`
    `static int` | `NO_CACHE_ORDINAL`
    `static String` | `PROCESSING`
    `static Buffer` | `PROCESSING_BUFFER`
    `static int` | `PROCESSING_ORDINAL`
    `static String` | `TE`
    `static Buffer` | `TE_BUFFER`
    `static int` | `TE_ORDINAL`
    `static String` | `UPGRADE`
    `static Buffer` | `UPGRADE_BUFFER`
    `static int` | `UPGRADE_ORDINAL`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `HttpHeaderValues()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static boolean` | `hasKnownValues(int httpHeaderOrdinal)`

    - ### Methods inherited from class org.eclipse.jetty.io.BufferCache

      `add, get, get, get, getBest, getOrdinal, getOrdinal, lookup, lookup, toString, toString`

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

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

- - ### Field Detail

    - #### CLOSE

          public static final String CLOSE

      See Also:
        Constant Field Values

    - #### CHUNKED

          public static final String CHUNKED

      See Also:
        Constant Field Values

    - #### GZIP

          public static final String GZIP

      See Also:
        Constant Field Values

    - #### IDENTITY

          public static final String IDENTITY

      See Also:
        Constant Field Values

    - #### KEEP_ALIVE

          public static final String KEEP_ALIVE

      See Also:
        Constant Field Values

    - #### CONTINUE

          public static final String CONTINUE

      See Also:
        Constant Field Values

    - #### PROCESSING

          public static final String PROCESSING

      See Also:
        Constant Field Values

    - #### TE

          public static final String TE

      See Also:
        Constant Field Values

    - #### BYTES

          public static final String BYTES

      See Also:
        Constant Field Values

    - #### NO_CACHE

          public static final String NO_CACHE

      See Also:
        Constant Field Values

    - #### UPGRADE

          public static final String UPGRADE

      See Also:
        Constant Field Values

    - #### CLOSE_ORDINAL

          public static final int CLOSE_ORDINAL

      See Also:
        Constant Field Values

    - #### CHUNKED_ORDINAL

          public static final int CHUNKED_ORDINAL

      See Also:
        Constant Field Values

    - #### GZIP_ORDINAL

          public static final int GZIP_ORDINAL

      See Also:
        Constant Field Values

    - #### IDENTITY_ORDINAL

          public static final int IDENTITY_ORDINAL

      See Also:
        Constant Field Values

    - #### KEEP_ALIVE_ORDINAL

          public static final int KEEP_ALIVE_ORDINAL

      See Also:
        Constant Field Values

    - #### CONTINUE_ORDINAL

          public static final int CONTINUE_ORDINAL

      See Also:
        Constant Field Values

    - #### PROCESSING_ORDINAL

          public static final int PROCESSING_ORDINAL

      See Also:
        Constant Field Values

    - #### TE_ORDINAL

          public static final int TE_ORDINAL

      See Also:
        Constant Field Values

    - #### BYTES_ORDINAL

          public static final int BYTES_ORDINAL

      See Also:
        Constant Field Values

    - #### NO_CACHE_ORDINAL

          public static final int NO_CACHE_ORDINAL

      See Also:
        Constant Field Values

    - #### UPGRADE_ORDINAL

          public static final int UPGRADE_ORDINAL

      See Also:
        Constant Field Values

    - #### CACHE

          public static final HttpHeaderValues CACHE

    - #### CLOSE_BUFFER

          public static final Buffer CLOSE_BUFFER

    - #### CHUNKED_BUFFER

          public static final Buffer CHUNKED_BUFFER

    - #### GZIP_BUFFER

          public static final Buffer GZIP_BUFFER

    - #### IDENTITY_BUFFER

          public static final Buffer IDENTITY_BUFFER

    - #### KEEP_ALIVE_BUFFER

          public static final Buffer KEEP_ALIVE_BUFFER

    - #### CONTINUE_BUFFER

          public static final Buffer CONTINUE_BUFFER

    - #### PROCESSING_BUFFER

          public static final Buffer PROCESSING_BUFFER

    - #### TE_BUFFER

          public static final Buffer TE_BUFFER

    - #### BYTES_BUFFER

          public static final Buffer BYTES_BUFFER

    - #### NO_CACHE_BUFFER

          public static final Buffer NO_CACHE_BUFFER

    - #### UPGRADE_BUFFER

          public static final Buffer UPGRADE_BUFFER

  - ### Constructor Detail

    - #### HttpHeaderValues

          public HttpHeaderValues()

  - ### Method Detail

    - #### hasKnownValues

          public static boolean hasKnownValues(int httpHeaderOrdinal)

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