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Chapter 4. AHC-WS
Async Http Client (AHC) Websocket Client Component
Available as of Camel 2.14
The ahc-ws component provides Websocket based endpoints for a client communicating with external servers over Websocket (as a client opening a websocket connection to an external server). The component uses the Chapter 3, AHC component that in turn uses the Async Http Client library.
Maven users will need to add the following dependency to their
pom.xml for this component:
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-ahc-ws</artifactId>
<version>x.x.x</version>
<!-- use the same version as your Camel core version -->
</dependency>URI Format
ahc-ws://hostname[:port][/resourceUri][?options] ahc-wss://hostname[:port][/resourceUri][?options]
Will by default use port 80 for ahc-ws and 443 for ahc-wss.
AHC-WS Options
As the AHC-WS component is based on the AHC component, you can use the various configuration options of the AHC component.
Writing and Reading Data over Websocket
An ahc-ws endpoint can either write data to the socket or read from the socket, depending on whether the endpoint is configured as the producer or the consumer, respectively.
Configuring URI to Write or Read Data
In the route below, Camel will write to the specified websocket connection.
from("direct:start")
.to("ahc-ws://targethost");
And the equivalent Spring sample:
<camelContext xmlns="http://camel.apache.org/schema/spring">
<route>
<from uri="direct:start"/>
<to uri="ahc-ws://targethost"/>
</route>
</camelContext>
In the route below, Camel will read from the specified websocket connection.
from("ahc-ws://targethost")
.to("direct:next");
And the equivalent Spring sample:
<camelContext xmlns="http://camel.apache.org/schema/spring">
<route>
<from uri="ahc-ws://targethost"/>
<to uri="direct:next"/>
</route>
</camelContext>