import javax.xml.soap.*;
import java.util.Iterator;
import java.net.URL;
import java.io.*;

public class Client {

    public static void main(String[] args) {
        try {
            SOAPConnectionFactory soapConnectionFactory = SOAPConnectionFactory.newInstance();
            SOAPConnection connection = soapConnectionFactory.createConnection();
            SOAPMessage message = prepareMessage();

            System.out.print("\nPrinting the message that is being sent: \n\n");
            message.writeTo(System.out);
            System.out.println("\n\n");

            URL endpoint = new URL("https://opendap.co-ops.nos.noaa.gov/axis/services/Visibility");
            SOAPMessage response = connection.call(message, endpoint);
            connection.close();

            /*
            System.out.println("\nPrinting the respone that was recieved: \n\n" );
            response.writeTo(System.out);
             */

            //Uncoment this part if you want the response to be saved locally in an XML file
            /*
            FileOutputStream fout = new FileOutputStream ("SoapResponse.xml");
            response.writeTo(fout);
            fout.close();
             */

            //You can also stores the response as a String
            /*
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            response.writeTo( out );
            String str = out.toString();
             */

            System.out.println("\n\nIterating through the response object to get the values:\n\n");
            SOAPBody responseBody = response.getSOAPBody();

            //Checking for errors
            if (responseBody.hasFault()) {
                SOAPFault fault = responseBody.getFault();
                String actor = fault.getFaultActor();
                System.out.println("Fault contains: ");
                System.out.println("Fault code: " + fault.getFaultCodeAsName().getQualifiedName());
                System.out.println("Fault string: " + fault.getFaultString());
                if (actor != null) {
                    System.out.println("Actor: " + actor);
                }
            } else {
                Iterator iterator = responseBody.getChildElements();
                Iterator iterator2 = null;
                Iterator iterator3 = null;

                String tagName = null;
                SOAPElement se = null;

                if (iterator.hasNext()) {
                    se = (SOAPElement) iterator.next();
                    iterator = se.getChildElements();
                    while (iterator.hasNext()) {
                        se = (SOAPElement) iterator.next();
                        printMetadata(se);
                        tagName = se.getElementName().getLocalName();
                        if ("data".equals(tagName)) {
                            iterator2 = se.getChildElements();
                            while (iterator2.hasNext()) {
                                se = (SOAPElement) iterator2.next();
                                iterator3 = se.getChildElements();
                                while (iterator3.hasNext()) {
                                    se = (SOAPElement) iterator3.next();
                                    printData(se);
                                }
                            }
                        }
                    }
                }
            }
        } catch (SOAPException e) {
            System.err.println("ERROR: ******* " + e.toString());
        } catch (IOException io) {
            System.err.println("ERROR: ******* " + io.toString());
        }
    }

    public static SOAPMessage prepareMessage() {
        SOAPMessage message = null;
        try {
            SOAPFactory soapFactory = SOAPFactory.newInstance();

            MessageFactory factory = MessageFactory.newInstance();
            message = factory.createMessage();

           SOAPHeader header = message.getSOAPHeader();
            SOAPBody body = message.getSOAPBody();
            header.detachNode();
            message.getMimeHeaders().addHeader("SOAPAction", "");

            Name bodyName = soapFactory.createName("getVisibilityAndMetadata", "vis", "https://opendap.co-ops.nos.noaa.gov/axis/webservices/visibility/wsdl");
            SOAPBodyElement bodyElement = body.addBodyElement(bodyName);


            //Constructing the body for the request
            Name name = soapFactory.createName("stationId");
            SOAPElement symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("8737005");
            name = soapFactory.createName("beginDate");
            symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("20100301 00:00");
            name = soapFactory.createName("endDate");
            symbol = bodyElement.addChildElement(name);
            symbol.addTextNode("20100301 00:18");
        } catch (SOAPException e) {
            System.err.println("ERROR: ******* " + e.toString());
        }
        return message;
    }

    public static void printMetadata(SOAPElement se) {
        String tagName = se.getElementName().getLocalName();
        if (tagName != null) {
            if ("stationId".equals(tagName)) {
                System.out.println("Printing Metadata \n");
                System.out.println("Station ID       : " + se.getValue());
            } else if ("stationName".equals(tagName)) {
                System.out.println("station Name     : " + se.getValue());
            } else if ("latitude".equals(tagName)) {
                System.out.println("Latitude         : " + se.getValue());
            } else if ("longitude".equals(tagName)) {
                System.out.println("Longitude        : " + se.getValue());
            } else if ("state".equals(tagName)) {
                System.out.println("State            : " + se.getValue());
            } else if ("dataSource".equals(tagName)) {
                System.out.println("Data Source      : " + se.getValue());
            } else if ("COOPSDisclaimer".equals(tagName)) {
                System.out.println("COOPS Disclaimer : " + se.getValue());
            } else if ("beginDate".equals(tagName)) {
                System.out.println("Begin Date       : " + se.getValue());
            } else if ("endDate".equals(tagName)) {
                System.out.println("End Date         : " + se.getValue());
            } else if ("unit".equals(tagName)) {
                System.out.println("Unit             : " + se.getValue());
            }
        }
    }

    public static void printData(SOAPElement se) {
        String tagName = se.getElementName().getLocalName();
        if (tagName != null) {
            if (tagName.equals("timeStamp")) {
                System.out.println("Time Stamp  : " + se.getValue());
            } else if (tagName.equals("vis")) {
                System.out.println("vis         : " + se.getValue());
            }
        }
    }
}
/****************************************************
SAMPLE RUN

>java Client

Printing the message that is being sent:

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
    <SOAP-ENV:Body>
        <vis:getVisibilityAndMetadata xmlns:vis="https://opendap.co-ops.nos.noaa.gov/axis/webservices/visibility/wsdl">
            <stationId>8737005</stationId>
            <beginDate>20100301 00:00</beginDate>
            <endDate>20100301 00:18</endDate>
        </vis:getVisibilityAndMetadata>
    </SOAP-ENV:Body>
</SOAP-ENV:Envelope>

Iterating through the response object to get the values:


Printing Metadata

Station ID       : 8737005
station Name     : Pinto Island
Latitude         : 30.6711
Longitude        : -88.0311
State            : AL
Data Source      : USDOC/NOAA/NOS/COOPS(Center for Operational Oceanographic Products and Services)
COOPS Disclaimer : These raw data have not been subjected to the National Ocean Service's quality control
or quality assurance procedures and do not meet the criteria and standards of
official National Ocean Service data. They are released for limited public use as
preliminary data to be used only with appropriate caution.
Begin Date       : 20100301 00:00
End Date         : 20100301 00:18
Unit             : Visibility in Nautical Miles (NM)


Time Stamp  : 2010-03-01 00:00:00.0
vis         : 5.4
Time Stamp  : 2010-03-01 00:06:00.0
vis         : 5.4
Time Stamp  : 2010-03-01 00:12:00.0
vis         : 5.4
Time Stamp  : 2010-03-01 00:18:00.0
vis         : 5.4

***********************************************************/