🌐 CloseReason.CloseCodes (Java(TM) EE 8 Specification APIs)

java.lang.Object
- java.lang.Enum<CloseReason.CloseCodes>
- - javax.websocket.CloseReason.CloseCodes

All Implemented Interfaces:

Serializable, Comparable<CloseReason.CloseCodes>, CloseReason.CloseCode

Enclosing class:

CloseReason
```
public static enum CloseReason.CloseCodes
extends Enum<CloseReason.CloseCodes>
implements CloseReason.CloseCode
```
An Enumeration of status codes for a web socket close that are defined in the specification.

Enum Constant Summary

Enum Constants
Enum Constant and Description
`CANNOT_ACCEPT` 1003 indicates that an endpoint is terminating the connection because it has received a type of data it cannot accept (e.g., an endpoint that understands only text data MAY send this if it receives a binary message).
`CLOSED_ABNORMALLY` 1006 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint.
`GOING_AWAY` 1001 indicates that an endpoint is "going away", such as a server going down or a browser having navigated away from a page.
`NO_EXTENSION` 1010 indicates that an endpoint (client) is terminating the connection because it has expected the server to negotiate one or more extension, but the server didn't return them in the response message of the WebSocket handshake.
`NO_STATUS_CODE` 1005 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint.
`NORMAL_CLOSURE` 1000 indicates a normal closure, meaning that the purpose for which the connection was established has been fulfilled.
`NOT_CONSISTENT` 1007 indicates that an endpoint is terminating the connection because it has received data within a message that was not consistent with the type of the message (e.g., non-UTF-8 data within a text message).
`PROTOCOL_ERROR` 1002 indicates that an endpoint is terminating the connection due to a protocol error.
`RESERVED` Reserved.
`SERVICE_RESTART` 1012 indicates that the service will be restarted.
`TLS_HANDSHAKE_FAILURE` 1015 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint.
`TOO_BIG` 1009 indicates that an endpoint is terminating the connection because it has received a message that is too big for it to process.
`TRY_AGAIN_LATER` 1013 indicates that the service is experiencing overload
`UNEXPECTED_CONDITION` 1011 indicates that a server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request.
`VIOLATED_POLICY` 1008 indicates that an endpoint is terminating the connection because it has received a message that violates its policy.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static CloseReason.CloseCode`	`getCloseCode(int code)` Creates a CloseCode from the given int code number.
`int`	`getCode()` Return the code number of this status code.
`static CloseReason.CloseCodes`	`valueOf(String name)` Returns the enum constant of this type with the specified name.
`static CloseReason.CloseCodes[]`	`values()` Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - NORMAL_CLOSURE
```
public static final CloseReason.CloseCodes NORMAL_CLOSURE
```
    1000 indicates a normal closure, meaning that the purpose for which the connection was established has been fulfilled.
  - GOING_AWAY
```
public static final CloseReason.CloseCodes GOING_AWAY
```
    1001 indicates that an endpoint is "going away", such as a server going down or a browser having navigated away from a page.
  - PROTOCOL_ERROR
```
public static final CloseReason.CloseCodes PROTOCOL_ERROR
```
    1002 indicates that an endpoint is terminating the connection due to a protocol error.
  - CANNOT_ACCEPT
```
public static final CloseReason.CloseCodes CANNOT_ACCEPT
```
    1003 indicates that an endpoint is terminating the connection because it has received a type of data it cannot accept (e.g., an endpoint that understands only text data MAY send this if it receives a binary message).
  - RESERVED
```
public static final CloseReason.CloseCodes RESERVED
```
    Reserved. The specific meaning might be defined in the future.
  - NO_STATUS_CODE
```
public static final CloseReason.CloseCodes NO_STATUS_CODE
```
    1005 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting a status code to indicate that no status code was actually present.
  - CLOSED_ABNORMALLY
```
public static final CloseReason.CloseCodes CLOSED_ABNORMALLY
```
    1006 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting a status code to indicate that the connection was closed abnormally, e.g., without sending or receiving a Close control frame.
  - NOT_CONSISTENT
```
public static final CloseReason.CloseCodes NOT_CONSISTENT
```
    1007 indicates that an endpoint is terminating the connection because it has received data within a message that was not consistent with the type of the message (e.g., non-UTF-8 data within a text message).
  - VIOLATED_POLICY
```
public static final CloseReason.CloseCodes VIOLATED_POLICY
```
    1008 indicates that an endpoint is terminating the connection because it has received a message that violates its policy. This is a generic status code that can be returned when there is no other more suitable status code (e.g., 1003 or 1009) or if there is a need to hide specific details about the policy.
  - TOO_BIG
```
public static final CloseReason.CloseCodes TOO_BIG
```
    1009 indicates that an endpoint is terminating the connection because it has received a message that is too big for it to process.
  - NO_EXTENSION
```
public static final CloseReason.CloseCodes NO_EXTENSION
```
    1010 indicates that an endpoint (client) is terminating the connection because it has expected the server to negotiate one or more extension, but the server didn't return them in the response message of the WebSocket handshake. The list of extensions that are needed SHOULD appear in the /reason/ part of the Close frame. Note that this status code is not used by the server, because it can fail the WebSocket handshake instead.
  - UNEXPECTED_CONDITION
```
public static final CloseReason.CloseCodes UNEXPECTED_CONDITION
```
    1011 indicates that a server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request.
  - SERVICE_RESTART
```
public static final CloseReason.CloseCodes SERVICE_RESTART
```
    1012 indicates that the service will be restarted.
  - TRY_AGAIN_LATER
```
public static final CloseReason.CloseCodes TRY_AGAIN_LATER
```
    1013 indicates that the service is experiencing overload
  - TLS_HANDSHAKE_FAILURE
```
public static final CloseReason.CloseCodes TLS_HANDSHAKE_FAILURE
```
    1015 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting a status code to indicate that the connection was closed due to a failure to perform a TLS handshake (e.g., the server certificate can't be verified).
- Method Detail
  - values
```
public static CloseReason.CloseCodes[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
```
for (CloseReason.CloseCodes c : CloseReason.CloseCodes.values())
    System.out.println(c);
```
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static CloseReason.CloseCodes valueOf(String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    IllegalArgumentException - if this enum type has no constant with the specified name
    
    NullPointerException - if the argument is null
  - getCloseCode
```
public static CloseReason.CloseCode getCloseCode(int code)
```
    Creates a CloseCode from the given int code number. This method throws an IllegalArgumentException if the int is not one of the
    
    Parameters:
    
    code - the integer code number
    
    Returns:
    
    a new CloseCode with the given code number
    
    Throws:
    
    IllegalArgumentException - if the code is not a valid close code
  - getCode
```
public int getCode()
```
    Return the code number of this status code.
    
    Specified by:
    
    getCode in interface CloseReason.CloseCode
    
    Returns:
    
    the code.

Enum CloseReason.CloseCodes

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Enum

Methods inherited from class java.lang.Object

Enum Constant Detail

NORMAL_CLOSURE

GOING_AWAY

PROTOCOL_ERROR

CANNOT_ACCEPT

RESERVED

NO_STATUS_CODE

CLOSED_ABNORMALLY

NOT_CONSISTENT

VIOLATED_POLICY

TOO_BIG

NO_EXTENSION

UNEXPECTED_CONDITION

SERVICE_RESTART

TRY_AGAIN_LATER

TLS_HANDSHAKE_FAILURE

Method Detail

values

valueOf

getCloseCode

getCode