Invoke SOAP Webservice dari java class

Berikut ini adalah contoh memanggil SOAP webservice dari sebuah class java tanpa menggunakan webservice proxy.

kita akan menggunakan wsdl : http://graphical.weather.gov/xml/SOAP_server/ndfdXMLserver.php?wsdl sebagai contohnya.

kita akan memanggil method operation "LatLonListZipCode"

kemudian kita definisikan dulu SOAP message nya.

 <soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ndf="http://graphical.weather.gov/xml/DWMLgen/wsdl/ndfdXML.wsdl">  
   <soapenv:Header/>  
   <soapenv:Body>  
    <ndf:LatLonListZipCode soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">  
      <zipCodeList xsi:type="xsd:string">19110</zipCodeList>  
    </ndf:LatLonListZipCode>  
   </soapenv:Body>  
 </soapenv:Envelope>  

Selanjutnya kita buat sample java class sebagai client nya.

 import java.io.ByteArrayInputStream;  
 import java.io.ByteArrayOutputStream;  
 import javax.xml.namespace.QName;  
 import javax.xml.transform.Source;  
 import javax.xml.transform.Transformer;  
 import javax.xml.transform.TransformerConfigurationException;  
 import javax.xml.transform.TransformerException;  
 import javax.xml.transform.TransformerFactory;  
 import javax.xml.transform.TransformerFactoryConfigurationError;  
 import javax.xml.transform.stream.StreamResult;  
 import javax.xml.transform.stream.StreamSource;  
 import javax.xml.ws.Dispatch;  
 import javax.xml.ws.Service;  
 import javax.xml.ws.soap.SOAPBinding;  
 import javax.xml.ws.soap.SOAPFaultException;  
 public class JAXWSClient {  
   final String WSDL_ENDPOINT_URL = "http://graphical.weather.gov/xml/SOAP_server/ndfdXMLserver.php?wsdl";  
   String targetNS = "http://graphical.weather.gov/xml/DWMLgen/wsdl/ndfdXML.wsdl";  
   QName operationName = new QName(targetNS, "ndfdXML");  
   QName portQName = new QName(targetNS, "ndfdXMLPort");  
   public String invokeWebService(String inputMsg){  
     String responseStr=null;  
     try {  
       /**  
        * Define the service.  
        */  
       Service svc = Service.create(operationName);  
       svc.addPort(portQName,SOAPBinding.SOAP11HTTP_BINDING,WSDL_ENDPOINT_URL);  
       /**  
        * Create the dynamic invocation object from this service.  
        */  
       Dispatch<Source> dispatch = svc.createDispatch(portQName,Source.class,Service.Mode.MESSAGE);  
       ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(inputMsg.getBytes());  
       Source input = new StreamSource(byteArrayInputStream);  
       /**  
        * call WebService  
        */  
       Source response = dispatch.invoke(input);  
       /**  
       * get the  webservice response.  
       */  
       StreamResult result = new StreamResult(new ByteArrayOutputStream());  
       Transformer trans = TransformerFactory.newInstance().newTransformer();  
       trans.transform(response, result);  
       ByteArrayOutputStream baos = (ByteArrayOutputStream) result.getOutputStream();  
       /**  
       * Write out the response content to string.  
       */  
       responseStr = new String(baos.toByteArray());  
       System.out.println("XML Response : "+responseStr);   
     }catch (SOAPFaultException e) {  
       System.out.println("SOAPFaultException: " + e.getFault().getFaultString());  
     } catch (TransformerConfigurationException e) {  
       e.printStackTrace();  
     } catch (TransformerFactoryConfigurationError e) {  
       e.printStackTrace();  
     } catch (TransformerException e) {  
       e.printStackTrace();  
     }   
     return responseStr;  
   }  
   public static void main(String[] args) {  
     try {     
       String xmlRequest = " <soapenv:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:ndf=\"http://graphical.weather.gov/xml/DWMLgen/wsdl/ndfdXML.wsdl\"> " +   
       "  <soapenv:Header/> " +   
       "  <soapenv:Body> " +   
       "   <ndf:LatLonListZipCode soapenv:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\"> " +   
       "     <zipCodeList xsi:type=\"xsd:string\">19110</zipCodeList> " +   
       "   </ndf:LatLonListZipCode> " +   
       "  </soapenv:Body> " +   
       "</soapenv:Envelope> ";  
      JAXWSClient jax_ws_client=new JAXWSClient();  
      String response=jax_ws_client.invokeWebService(xmlRequest);  
      //System.out.println("----- Response ----->:"+response);  
     }  
     catch (Exception t) {  
       t.printStackTrace();  
     }  
   }  
 }  

Outputnya menjadi :

 XML Response :   
 <?xml version = '1.0' encoding = 'UTF-8'?>  
 <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/">  
 <SOAP-ENV:Header/>  
 <SOAP-ENV:Body>  
 <ns1:LatLonListZipCodeResponse xmlns:ns1="http://graphical.weather.gov/xml/DWMLgen/wsdl/ndfdXML.wsdl">  
 <listLatLonOut xsi:type="xsd:string">&lt;?xml version='1.0'?>&lt;dwml version='1.0' xmlns:xsd='http://www.w3.org/2001/XMLSchema' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:noNamespaceSchemaLocation='http://graphical.weather.gov/xml/DWMLgen/schema/DWML.xsd'>&lt;latLonList>39.9525,-75.1657&lt;/latLonList>&lt;/dwml></listLatLonOut>  
 </ns1:LatLonListZipCodeResponse>  
 </SOAP-ENV:Body>  
 </SOAP-ENV:Envelope>  

Sekarang kita coba dari SOAP-UI

Hasilnya sama kan.

setelah kita dapatkan XML response nya, kita tinggal mengolah atau memparsing sesuai dengan kebutuhan.

selamat mencoba. :)