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Chapter 301. Stomp Component

Available as of Camel version 2.12

The stomp: component is used for communicating with Stomp compliant message brokers, like Apache ActiveMQ or ActiveMQ Apollo

Maven users will need to add the following dependency to their pom.xml for this component: 

<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-stomp</artifactId>
    <version>x.x.x</version>
    <!-- use the same version as your Camel core version -->
</dependency>
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301.1. URI format
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stomp:queue:destination[?options]
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Where destination is the name of the queue.

301.2. Options
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The Stomp component supports 8 options which are listed below.

Expand
NameDescriptionDefaultType

configuration (advanced)

To use the shared stomp configuration

 

StompConfiguration

brokerURL (common)

The URI of the Stomp broker to connect to

 

String

login (security)

The username

 

String

passcode (security)

The password

 

String

host (common)

The virtual host

 

String

useGlobalSslContext Parameters (security)

Enable usage of global SSL context parameters.

false

boolean

headerFilterStrategy (filter)

To use a custom org.apache.camel.spi.HeaderFilterStrategy to filter header to and from Camel message.

 

HeaderFilterStrategy

resolveProperty Placeholders (advanced)

Whether the component should resolve property placeholders on itself when starting. Only properties which are of String type can use property placeholders.

true

boolean

The Stomp endpoint is configured using URI syntax: 

stomp:destination
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with the following path and query parameters:

301.2.1. Path Parameters (1 parameters):
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Expand
NameDescriptionDefaultType

destination

Required Name of the queue

 

String

301.2.2. Query Parameters (10 parameters):
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Expand
NameDescriptionDefaultType

brokerURL (common)

Required The URI of the Stomp broker to connect to

tcp://localhost:61613

String

host (common)

The virtual host name

 

String

bridgeErrorHandler (consumer)

Allows for bridging the consumer to the Camel routing Error Handler, which mean any exceptions occurred while the consumer is trying to pickup incoming messages, or the likes, will now be processed as a message and handled by the routing Error Handler. By default the consumer will use the org.apache.camel.spi.ExceptionHandler to deal with exceptions, that will be logged at WARN or ERROR level and ignored.

false

boolean

exceptionHandler (consumer)

To let the consumer use a custom ExceptionHandler. Notice if the option bridgeErrorHandler is enabled then this options is not in use. By default the consumer will deal with exceptions, that will be logged at WARN or ERROR level and ignored.

 

ExceptionHandler

exchangePattern (consumer)

Sets the exchange pattern when the consumer creates an exchange.

 

ExchangePattern

headerFilterStrategy (advanced)

To use a custom HeaderFilterStrategy to filter header to and from Camel message.

 

HeaderFilterStrategy

synchronous (advanced)

Sets whether synchronous processing should be strictly used, or Camel is allowed to use asynchronous processing (if supported).

false

boolean

login (security)

The username

 

String

passcode (security)

The password

 

String

sslContextParameters (security)

To configure security using SSLContextParameters

 

SSLContextParameters

You can append query options to the URI in the following format, ?option=value&option=value&…​

301.3. Samples
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Sending messages: 

from("direct:foo").to("stomp:queue:test");
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Consuming messages: 

from("stomp:queue:test").transform(body().convertToString()).to("mock:result")
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301.4. Endpoints
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Camel supports the Message Endpoint pattern using the Endpoint interface. Endpoints are usually created by a Component and Endpoints are usually referred to in the DSL via their URIs.

From an Endpoint you can use the following methods

* createProducer() will create a Producer for sending message exchanges to the endpoint * createConsumer() implements the Event Driven Consumer pattern for consuming message exchanges from the endpoint via a Processor when creating a Consumer * createPollingConsumer() implements the Polling Consumer pattern for consuming message exchanges from the endpoint via a PollingConsumer

301.5. See Also
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  • Configuring Camel
  • Message Endpoint pattern
  • URIs
  • Writing Components
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