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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:oxm="http://www.springframework.org/schema/oxm"
    xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/oxm http://www.springframework.org/schema/oxm/spring-oxm.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

  <!-- contextPath - package where to find request and response classes to marshall / unmarshal
       if request and response are in different packages, declare marshaller and unmarshaller separately -->
  <oxm:jaxb2-marshaller id="jaxb2marshaller" contextPath="eu.geomodel.schema.ws.pvplanner"/>

  <bean id="pvPlannerTemplate" class="org.springframework.ws.client.core.WebServiceTemplate"
      p:marshaller-ref="jaxb2marshaller" p:unmarshaller-ref="jaxb2marshaller"
      p:defaultUri="https://solargis.info/ws/soap/pvPlanner"> <!-- web service endpoint uri -->
    <property name="interceptors">
      <list>
        <bean class="org.springframework.ws.soap.security.wss4j.Wss4jSecurityInterceptor"
            p:securementActions="Timestamp UsernameToken"
            p:securementUsername="demo"
            p:securementPassword="demo"/>
      </list>
    </property>
  </bean>
</beans>

// imports omitted
public class PvPlannerWsClient {

  @Autowired
  @Qualifier("pvPlannerTemplate")
  WebServiceTemplate template;

  public CalculateResponse callPvPlanner(/*some args*/) {
    return (CalculateResponse) template.marshalSendAndReceive(prepareRequest(/*some args*/));
  }

  private CalclulateRequest prepareRequest(/*some args*/) {
    // just sample request
    CalculateRequest request = new CalculateRequest();
    Location location = new Location();
    location.setLat(48.612590); // location of demo site
    location.setLng(20.827079);
    request.setLocation(location);
    PvSystem system = new PvSystem();
    system.setInstalledPower(1);
    system.setModuleType(ModuleTypeEnum.C_SI);
    Settings settings = new Settings();
    settings.setInverterEfficiency(97.5);
    settings.setDcLosses(5.5);
    settings.setAcLosses(1.5);
    settings.setAvailability(99);
    system.setSettings(settings);
    MountingFixedRoofMounted mounting = new MountingFixedRoofMounted();
    mounting.setAzimuth(175);
    mounting.setInclination(45D);
    system.setMounting(mounting);
    request.setSystem(system);
    return request;
  }

}