org.springframework.http.server.reactive

Class HttpHandlerAdapterSupport

java.lang.Object

org.springframework.http.server.reactive.HttpHandlerAdapterSupport

Direct Known Subclasses:

ReactorHttpHandlerAdapter, RxNettyHttpHandlerAdapter, ServletHttpHandlerAdapter, UndertowHttpHandlerAdapter

public abstract class HttpHandlerAdapterSupport
extends java.lang.Object

Base class for adapters from native runtime HTTP request handlers to a reactive HttpHandler contract.

Provides support for delegating incoming requests to a single or multiple HttpHandlers each mapped to a distinct context path. In either case sub-classes simply use getHttpHandler() to access the handler to delegate incoming requests to.

Since:

5.0

Author:

Rossen Stoyanchev

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	HttpHandlerAdapterSupport.CompositeHttpHandler Composite HttpHandler that selects the handler to use by context path.

Field Summary

Fields

Modifier and Type	Field and Description
private HttpHandler	httpHandler
protected Log	logger

Constructor Summary

Constructors

Constructor and Description
HttpHandlerAdapterSupport(HttpHandler httpHandler) Constructor with a single HttpHandler to use for all requests.
HttpHandlerAdapterSupport(java.util.Map<java.lang.String,HttpHandler> handlerMap) Constructor with HttpHandlers mapped to distinct context paths.

Method Summary

Modifier and Type	Method and Description
HttpHandler	getHttpHandler() Return the HttpHandler to delegate incoming requests to.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final Log logger

httpHandler

private final HttpHandler httpHandler

Constructor Detail

HttpHandlerAdapterSupport

public HttpHandlerAdapterSupport(HttpHandler httpHandler)

Constructor with a single HttpHandler to use for all requests.

Parameters:

httpHandler - the handler to use

HttpHandlerAdapterSupport

public HttpHandlerAdapterSupport(java.util.Map<java.lang.String,HttpHandler> handlerMap)

Constructor with HttpHandlers mapped to distinct context paths. Context paths must start but not end with "/" and must be encoded.

At request time context paths are compared against the "raw" path of the request URI in the order in which they are provided. The first one to match is chosen. If none match the response status is set to 404.

Parameters:

handlerMap - map with context paths and HttpHandlers.

See Also:

ServerHttpRequest.getContextPath()

Method Detail

getHttpHandler

public HttpHandler getHttpHandler()

Return the HttpHandler to delegate incoming requests to.