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This sample demonstrates a basic REST-based Web Services using JAX-RS (JSR-311).


Building the sample 

  1. Open a command line, and navigate to the <EI_HOME>/samples/webapps/jaxrs_basic directory.
  2. Run the relevant command to deploy the web app:
    • Using Maven

      1. Create a WAR file for the sample using the following command:

        mvn clean install
      2. Deploy the generated WAR file on WSO2 EI with the related logs on the console:

        mvn -Pdeploy
    • Using Ant

      ant
  3. Start WSO2 EI by executing one of the following commands:

    OSCommand
    On Windows
    <EI_HOME>\bin\integrator.bat --run
    On Linux/Solaris
    sh <EI_HOME>/bin/integrator.sh  
  4. Log in to the management console and click List on the Main menu, under Manage/Applications. This opens the Running Applications page. The deployed applications will be listed here.

Running the sample

You can invoke the JAX-RS web application as shown below.

  • Get the customer instance for customer ID 123 by sending an HTTP GET request to http://localhost:8280/jaxrs_basic/services/customers/customerservice/customers/123. The XML document returns the following:

    <Customer>
       <id>123</id>
       <name>John</name>
    </Customer>
  • Get the product 323 that belongs to order 223 by sending an HTTP GET request to http://localhost:8280/jaxrs_basic/services/customers/customerservice/orders/223/products/323. The XML document returns the following:

    <Product>
       <description>product 323</description>
       <id>323</id>
    </Product>
  • Add the customer named Jack by sending an HTTP POST request to http://localhost:8280/jaxrs_basic/services/customers/customerservice/customers as shown below.

    <Customer>
       <name>Jack</name>
    </Customer>
  • Update the customer with ID 123 as shown below by sending an HTTP PUT request to http://localhost:8280/jaxrs_basic/services/customers/customerservice/customers.

    <Customer>
       <id>123</id>
       <name>John</name>
    </Customer>

The client code demonstrates how to send HTTP GET/POST/PUT/DELETE requests; whereas, the server code demonstrates how to build a RESTful endpoint through JAX-RS (JSR-311) APIs.

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