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/WaterLevelVerifiedHourly");
            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();

            SOAPBody body = message.getSOAPBody();
            Name bodyName = soapFactory.createName("getVerifiedHourlyAndMetadata", "water", 
"https://opendap.co-ops.nos.noaa.gov/axis/webservices/waterlevelverifiedhourly/wsdl"); SOAPBodyElement bodyElement = body.addBodyElement(bodyName); //Constructing the body for the request Name name = soapFactory.createName("stationId"); SOAPElement symbol = bodyElement.addChildElement(name); symbol.addTextNode("8454000"); name = soapFactory.createName("beginDate"); symbol = bodyElement.addChildElement(name); symbol.addTextNode("20051201 00:00"); name = soapFactory.createName("endDate"); symbol = bodyElement.addChildElement(name); symbol.addTextNode("20051201 03:00"); name = soapFactory.createName("datum"); symbol = bodyElement.addChildElement(name); symbol.addTextNode("MLLW"); name = soapFactory.createName("unit"); symbol = bodyElement.addChildElement(name); symbol.addTextNode("0"); name = soapFactory.createName("timeZone"); symbol = bodyElement.addChildElement(name); symbol.addTextNode("0"); } 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 ("beginDate".equals(tagName)) { System.out.println("Begin Date : " + se.getValue()); } else if ("endDate".equals(tagName)) { System.out.println("End Date : " + se.getValue()); } else if ("datum".equals(tagName)) { System.out.println("Datum : " + se.getValue()); } else if ("unit".equals(tagName)) { System.out.println("Unit : " + se.getValue()); } else if ("timeZone".equals(tagName)) { System.out.println("Time Zone : " + se.getValue() + "\n"); System.out.println("Printing the data \n"); } } } 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("WL")) { System.out.println("Water Level : " + se.getValue()); } else if (tagName.equals("sigma")) { System.out.println("sigma : " + se.getValue()); } else if (tagName.equals("I")) { System.out.println("I : " + se.getValue()); } else if (tagName.equals("L")) { System.out.println("L : " + se.getValue() + "\n"); } } } } /**************************************************** SAMPLE RUN >java Client Printing the message that is being sent: <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <soapenv:Body> <water:getVerifiedHourlyAndMetadata xmlns:water="https://opendap.co-ops.nos.noaa.gov/axis/webservices/waterlevelverifiedsixmin/wsdl"> <stationId xmlns="">8454000</stationId> <beginDate xmlns="">20051201 00:00</beginDate> <endDate xmlns="">20051201 00:18</endDate> <datum xmlns="">MLLW</datum> <unit xmlns="">0</unit> <timeZone xmlns="">0</timeZone> </water:getWaterLevelVerifiedSixMin> </soapenv:Body> </soapenv:Envelope> Iterating through the response object to get the values: Printing Metadata Station ID : 8454000 station Name : Providence Latitude : 41.8071 Longitude : -71.4012 State : RI Data Source : USDOC/NOAA/NOS/COOPS(Center for Operational Oceanographic Products and Services) Begin Date : 20051201 00:00 End Date : 20051201 03:00 Datum : MLLW Unit : Meters Time Zone : GMT Printing the data Time Stamp : 2005-12-01 00:00:00.0 Water Level : 1.417 sigma : 0.0010 I : 0 L : 0 Time Stamp : 2005-12-01 01:00:00.0 Water Level : 1.238 sigma : 0.0050 I : 0 L : 0 Time Stamp : 2005-12-01 02:00:00.0 Water Level : 0.903 sigma : 0.0050 I : 0 L : 0 Time Stamp : 2005-12-01 03:00:00.0 Water Level : 0.507 sigma : 0.0080 I : 0 L : 0 *********************************************************/