WsHttpUpgradeHandler (Apache Tomcat 8.0.15 API Documentation)

Apache Tomcat 8.0.15

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java.lang.Object
- org.apache.tomcat.websocket.server.WsHttpUpgradeHandler

All Implemented Interfaces:

HttpUpgradeHandler
```
public class WsHttpUpgradeHandler
extends Object
implements HttpUpgradeHandler
```
Servlet 3.1 HTTP upgrade handler for WebSocket connections.

Constructor Summary

Constructors
Constructor and Description

WsHttpUpgradeHandler()

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`destroy()` This method is called after the upgraded connection has been closed.
`void`	`init(WebConnection connection)` This method is called once the request/response pair where `HttpServletRequest.upgrade(Class)` is called has completed processing and is the point where control of the connection passes from the container to the `HttpUpgradeHandler`.
`void`	`preInit(Endpoint ep, EndpointConfig endpointConfig, WsServerContainer wsc, WsHandshakeRequest handshakeRequest, List<Extension> negotiatedExtensionsPhase2, String subProtocol, Transformation transformation, Map<String,String> pathParameters, boolean secure)`

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

- Constructor Detail
  - WsHttpUpgradeHandler
```
public WsHttpUpgradeHandler()
```
- Method Detail
  - preInit
```
public void preInit(Endpoint ep,
           EndpointConfig endpointConfig,
           WsServerContainer wsc,
           WsHandshakeRequest handshakeRequest,
           List<Extension> negotiatedExtensionsPhase2,
           String subProtocol,
           Transformation transformation,
           Map<String,String> pathParameters,
           boolean secure)
```
  - init
```
public void init(WebConnection connection)
```
    Description copied from interface: javax.servlet.http.HttpUpgradeHandler
    
    This method is called once the request/response pair where HttpServletRequest.upgrade(Class) is called has completed processing and is the point where control of the connection passes from the container to the HttpUpgradeHandler.
    
    Specified by:
    
    init in interface HttpUpgradeHandler
    
    Parameters:
    connection - The connection that has been upgraded
  - destroy
```
public void destroy()
```
    Description copied from interface: javax.servlet.http.HttpUpgradeHandler
    
    This method is called after the upgraded connection has been closed.
    
    Specified by:
    
    destroy in interface HttpUpgradeHandler

Apache Tomcat 8.0.15

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