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Output HTTP Event Adaptor

Owned by Former user (Deleted)
Last updated: Jan 22, 2016 by Former user (Deleted)
2 min read

Output HTTP event adapter is used to send events to a specific Web service location using POST. 

Configuring output HTTP event adapter

You can configure the output HTTP event adapter using the management console or using a configuration file.

Configure using the management console 

Follow the steps below to configure output HTTP event adapter using the management console. This deploys the event adapter in <PRODUCT_HOME>/repository/deployment/server/outputeventadaptors/ directory.

  1. Log in to the product's management console, and click Configure.
  2. Click Output Event Adaptors in the Event Processor Configs menu, and then click Add Output Event Adaptor.

  3. Enter details as shown in the below example.

    create output HTTP event adapter

  4. Click Add Event Adaptor.

Configure using a configuration file

Follow the steps below to configure output HTTP event adapter using a configuration file.

  1. Create an XML file with the following output HTTP event adapter configurations. Output event adapter implementation must start with <outputEventAdaptor> as the root element.

    <outputEventAdaptor name="httpEventAdaptor" statistics="disable"
  trace="disable" type="http" xmlns="http://wso2.org/carbon/eventadaptormanager">
  <property name="http.proxy.host">localhost</property>
  <property name="http.proxy.port">8280</property>
</outputEventAdaptor>
  2. Add the XML file to the <PRODUCT_HOME>/repository/deployment/server/outputeventadaptors/ directory. Since hot deployment is supported in the product, you can simply add/remove output event adapter configuration files to deploy/undeploy output event adapters to/from the server.

After an adapter is successfully added, it gets added to the list of adapters displayed under Event Processor Configs in the Configure menu of the product's management console. Click Edit to change its configuration and redeploy it. This opens an XML-based editor allowing you to edit the event adapter configurations from the UI.  Do your modifications and click Update. You can also delete it, enable/disable statistics or enable/disable tracing on it using the provided options in the UI.

Configuring output HTTP event adapter message properties

The configured output event adapters are used in event formatters. With output event adapter message properties, event formatters are able to extract data from event streams and format the output events. Message properties specific to output event adapters of the http type can be configured as follows.
  1. Log into the BAM Management Console. For detailed instructions, see Running the Product.
  2. In the Main tab, click Event Streams to open the Available Event Streams page.
  3. Click the Outflows link of the event stream to which the relevant output event adapter is connected. As a result, Event Out-Flows (<Output_Event_Adapter_Name>) opens.

  4. Click on the relevant event builder name to open the Event Formatter Details page.
    output HTTP event adapter message propertiesThe message properties of a http output event adapter are described below. Change the property values as required.

    PropertyDescription
    HeadersCustom HTTP headers that you want to send with the HTTP post
    PasswordHTTP BasicAuth password
    UsernameHTTP BasicAuth username
    URLThe target HTTP/HTTPS URL
    Output Event TypeThe outgoing event type to be mapped. The output HTTP event adapter supports XML, JSON, and text mappings.
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