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Chapter 303. Slack Component

Available as of Camel version 2.16

The slack component allows you to connect to an instance of Slack and delivers a message contained in the message body via a pre established Slack incoming webhook.

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

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<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-slack</artifactId>
    <version>x.x.x</version>
    <!-- use the same version as your Camel core version -->
</dependency>

303.1. URI format

To send a message to a channel.

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slack:#channel[?options]

To send a direct message to a slackuser.

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slack:@username[?options]

303.2. Options

The Slack component supports 2 options which are listed below.

NameDescriptionDefaultType

webhookUrl (producer)

The incoming webhook URL

 

String

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 Slack endpoint is configured using URI syntax:

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slack:channel

with the following path and query parameters:

303.2.1. Path Parameters (1 parameters):

NameDescriptionDefaultType

channel

Required The channel name (syntax name) or slackuser (syntax userName) to send a message directly to an user.

 

String

303.2.2. Query Parameters (5 parameters):

NameDescriptionDefaultType

iconEmoji (producer)

Use a Slack emoji as an avatar

 

String

iconUrl (producer)

The avatar that the component will use when sending message to a channel or user.

 

String

username (producer)

This is the username that the bot will have when sending messages to a channel or user.

 

String

webhookUrl (producer)

The incoming webhook URL

 

String

synchronous (advanced)

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

false

boolean

303.3. SlackComponent

The SlackComponent with XML must be configured as a Spring or Blueprint bean that contains the incoming webhook url for the integration as a parameter.

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<bean id="slack" class="org.apache.camel.component.slack.SlackComponent">
    <property name="webhookUrl" value="https://hooks.slack.com/services/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"/>
</bean>

For Java you can configure this using Java code.

303.4. Example

A CamelContext with Blueprint could be as:

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<?xml version="1.0" encoding="UTF-8"?>
<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0" default-activation="lazy">

    <bean id="slack" class="org.apache.camel.component.slack.SlackComponent">
        <property name="webhookUrl" value="https://hooks.slack.com/services/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"/>
    </bean>

    <camelContext xmlns="http://camel.apache.org/schema/blueprint">
        <route>
            <from uri="direct:test"/>
            <to uri="slack:#channel?iconEmoji=:camel:&amp;username=CamelTest"/>
        </route>
    </camelContext>

</blueprint>

303.5. See Also

  • Configuring Camel
  • Component
  • Endpoint
  • Getting Started
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