Constants (Apache Tomcat 11.0.23 API Documentation)
Description: declaration: package: org.apache.coyote.http11, class: Constants

# Class Constants

java.lang.Object
org.apache.coyote.http11.Constants

public final class Constants extends Object
Constants.

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final byte[]`
  `_200_BYTES`
  HTTP 200 OK response bytes.
  `static final byte[]`
  `_400_BYTES`
  HTTP 400 Bad Request response bytes.
  `static final byte[]`
  `_404_BYTES`
  HTTP 404 Not Found response bytes.
  `static final byte[]`
  `ACK_BYTES`
  HTTP 100 Continue response bytes.
  `static final int`
  `BUFFERED_FILTER`
  Buffered filter (input)
  `static final String`
  `CHUNKED`
  Chunked transfer encoding value.
  `static final int`
  `CHUNKED_FILTER`
  Chunked filters (input and output).
  `static final String`
  `CLOSE`
  Connection close value.
  `static final byte`
  `COLON`
  COLON.
  `static final String`
  `CONNECTION`
  Connection header name.
  `static final byte`
  `CR`
  CR.
  `static final String`
  `CRLF`
  CRLF.
  `static final int`
  `DEFAULT_CONNECTION_TIMEOUT`
  Default connection timeout in milliseconds.
  `static final int`
  `GZIP_FILTER`
  GZIP filter (output).
  `static final byte`
  `HT`
  HT.
  `static final String`
  `HTTP_10`
  HTTP/1.0.
  `static final String`
  `HTTP_11`
  HTTP/1.1.
  `static final byte[]`
  `HTTP_11_BYTES`
  HTTP/1.1 protocol version bytes.
  `static final int`
  `IDENTITY_FILTER`
  Identity filters (input and output).
  `static final String`
  `KEEP_ALIVE_HEADER_NAME`
  Keep-Alive header name.
  `static final String`
  `KEEP_ALIVE_HEADER_VALUE_TOKEN`
  Keep-alive header value token.
  `static final byte`
  `LF`
  LF.
  `static final byte`
  `QUESTION`
  '?'.
  `static final byte`
  `SEMI_COLON`
  SEMI_COLON.
  `static final byte`
  `SP`
  SP.
  `static final String`
  `TRANSFERENCODING`
  Transfer-Encoding header name.
  `static final int`
  `VOID_FILTER`
  Void filters (input and output).

- ## Method Summary

  ### Methods inherited from class Object

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

- ## Field Details

  - ### DEFAULT_CONNECTION_TIMEOUT

    public static final int DEFAULT_CONNECTION_TIMEOUT
    Default connection timeout in milliseconds.
    See Also:
      - Constant Field Values

  - ### CRLF

    public static final String CRLF
    CRLF.
    See Also:
      - Constant Field Values

  - ### CR

    public static final byte CR
    CR.
    See Also:
      - Constant Field Values

  - ### LF

    public static final byte LF
    LF.
    See Also:
      - Constant Field Values

  - ### SP

    public static final byte SP
    SP.
    See Also:
      - Constant Field Values

  - ### HT

    public static final byte HT
    HT.
    See Also:
      - Constant Field Values

  - ### COLON

    public static final byte COLON
    COLON.
    See Also:
      - Constant Field Values

  - ### SEMI_COLON

    public static final byte SEMI_COLON
    SEMI_COLON.
    See Also:
      - Constant Field Values

  - ### QUESTION

    public static final byte QUESTION
    '?'.
    See Also:
      - Constant Field Values

  - ### CONNECTION

    public static final String CONNECTION
    Connection header name.
    See Also:
      - Constant Field Values

  - ### CLOSE

    public static final String CLOSE
    Connection close value.
    See Also:
      - Constant Field Values

  - ### KEEP_ALIVE_HEADER_VALUE_TOKEN

    public static final String KEEP_ALIVE_HEADER_VALUE_TOKEN
    Keep-alive header value token.
    See Also:
      - Constant Field Values

  - ### CHUNKED

    public static final String CHUNKED
    Chunked transfer encoding value.
    See Also:
      - Constant Field Values

  - ### ACK_BYTES

    public static final byte[] ACK_BYTES
    HTTP 100 Continue response bytes.

  - ### TRANSFERENCODING

    public static final String TRANSFERENCODING
    Transfer-Encoding header name.
    See Also:
      - Constant Field Values

  - ### KEEP_ALIVE_HEADER_NAME

    public static final String KEEP_ALIVE_HEADER_NAME
    Keep-Alive header name.
    See Also:
      - Constant Field Values

  - ### _200_BYTES

    public static final byte[] _200_BYTES
    HTTP 200 OK response bytes.

  - ### _400_BYTES

    public static final byte[] _400_BYTES
    HTTP 400 Bad Request response bytes.

  - ### _404_BYTES

    public static final byte[] _404_BYTES
    HTTP 404 Not Found response bytes.

  - ### IDENTITY_FILTER

    public static final int IDENTITY_FILTER
    Identity filters (input and output).
    See Also:
      - Constant Field Values

  - ### CHUNKED_FILTER

    public static final int CHUNKED_FILTER
    Chunked filters (input and output).
    See Also:
      - Constant Field Values

  - ### VOID_FILTER

    public static final int VOID_FILTER
    Void filters (input and output).
    See Also:
      - Constant Field Values

  - ### GZIP_FILTER

    public static final int GZIP_FILTER
    GZIP filter (output).
    See Also:
      - Constant Field Values

  - ### BUFFERED_FILTER

    public static final int BUFFERED_FILTER
    Buffered filter (input)
    See Also:
      - Constant Field Values

  - ### HTTP_10

    public static final String HTTP_10
    HTTP/1.0.
    See Also:
      - Constant Field Values

  - ### HTTP_11

    public static final String HTTP_11
    HTTP/1.1.
    See Also:
      - Constant Field Values

  - ### HTTP_11_BYTES

    public static final byte[] HTTP_11_BYTES
    HTTP/1.1 protocol version bytes.