guide soap

Table of Contents

• SOAP
  • JAX-WS
    • Web-Service Interface
    • Web-Service Implementation
  • SOAP Custom Mapping
  • SOAP Testing

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SOAP

SOAP is a common protocol for services that is rather complex and heavy. It allows to build inter-operable and well specified services (see WSDL). SOAP is transport neutral what is not only an advantage. We strongly recommend to use HTTPS transport and ignore additional complex standards like WS-Security and use established HTTP-Standards such as RFC2617 (and RFC5280).

JAX-WS

For building web-services with Java we use the JAX-WS standard. There are two approaches:

• code first

• contract first

Here is an example in case you define a code-first service.

Web-Service Interface

We define a regular interface to define the API of the service and annotate it with JAX-WS annotations:

@WebService
public interface TablemanagmentWebService {

  @WebMethod
  @WebResult(name = "message")
  TableEto getTable(@WebParam(name = "id") String id);

}

Web-Service Implementation

And here is a simple implementation of the service:

@Named
@WebService(endpointInterface = "com.devonfw.application.mtsj.tablemanagement.service.api.ws.TablemanagmentWebService")
public class TablemanagementWebServiceImpl implements TablemanagmentWebService {

  private Tablemanagement tableManagement;

  @Override
  public TableEto getTable(String id) {

    return this.tableManagement.findTable(id);
  }

SOAP Custom Mapping

In order to map custom datatypes or other types that do not follow the Java bean conventions, you need to write adapters for JAXB (see XML).

SOAP Testing

For testing SOAP services in general consult the testing guide.

For testing SOAP services manually we strongly recommend SoapUI.