This example shows how to expose and use a REST service using declarative services.
The API module defines the TaskResource interface which is annotated using JAXRS annotations.
The impl module implements the TaskService using a simple HashMap internally. It allows to manage Task objects which represent items of a to do list.
Unpack karaf 4 into a server and client directory.
Start the server karaf
feature:repo-add cxf-dosgi-samples 2.3.0 feature:install cxf-dosgi-sample-rest-impl rsa:endpoints
The last command should show one endpoint with a URI as id. You should be able to open the url in the browser. The browser should show the predefined tasks as xml.
curl -X POST --header 'Content-Type: application/json' --header 'Accept: application/json' -d '{task:{id: 3, title: "Another task"}}' 'http://localhost:8181/cxf/tasks/'
Check that task was added
curl --header "Accept:application/json" http://localhost:8181/cxf/tasks/3
Start the client karaf
feature:repo-add cxf-dosgi-samples 2.3.0 feature:install cxf-dosgi-sample-rest-client
Use commands to test
rsa:endpoints task:list task:add 4 Mytask task:list
The jaxrs sample also creates swagger documentation for the REST endpoint.
Get the swagger documentation for the jaxrs sample.
Starting with CXF 3.1.9 the CXF logging feature is exported as an intent by default this makes it very easy to add logging to the rest example.
config:property-set -p TaskResource service.exported.intents logging endpoint http://localhost:8181/cxf/tasks
This installs the CXF logging feature and adds the logging intent to the rest sample component. The command endpoint should then show that the intent logging is applied.
Any http requests to the service should now show as a logging message in the karaf log.