Javax.JWS.WebService

Web Service Class
package tutorial.example;

import javax.ejb.Stateless;
import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebService;

import org.apache.commons.lang3.StringUtils;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Property;
import org.hibernate.criterion.Restrictions;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@WebService(
portName = "SurveyAppPort",
serviceName = "SurveyAppService",
targetNamespace = "http://gmuswe645.edu/wsdl",
endpointInterface = "tutorial.example.StudentServiceEJBRemoteInt")
@Stateless
public class StudentServiceHibernateImplWS implements StudentServiceEJBRemoteInt {

public StudentServiceHibernateImplWS() {}

public void SaveStudentSurveyFormData(Student postData){
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
Transaction tx=session.getTransaction();
tx.begin();
session.saveOrUpdate(postData.getContact());

DetachedCriteria maxId = DetachedCriteria.forClass(Contact.class)
   .setProjection( Projections.max("id"));
Contact con = (Contact) session.createCriteria(Contact.class)
   .add(Property.forName("id").eq(maxId))
   .uniqueResult();
postData.setContactId(con.getId());
session.saveOrUpdate(postData);
tx.commit();
}

public Student GetStudentSurveyData(Student student){
Surveys surveys = GetSurveys(student);
for(Student survey : surveys.data){
if(survey.getLastName().equalsIgnoreCase(student.getLastName()) && survey.getFirstName().equalsIgnoreCase(student.getFirstName())){
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
Contact con = (Contact) session.createCriteria(Contact.class)
   .add(Property.forName("id").eq(survey.getContactId()))
   .uniqueResult();
survey.setContact(con);
return survey;
}
}
return null;
}

public Surveys GetSurveys(Student searchCriteria){
Surveys surveys = new Surveys();
surveys.data = new ArrayList<Student>();

Session session = HibernateUtil.getSessionFactory().getCurrentSession();
Transaction tx = session.beginTransaction();
Criteria query = session.createCriteria(Student.class);

if(searchCriteria != null){
if(searchCriteria.getFirstName() != null && !searchCriteria.getFirstName().isEmpty()){
String firstName = searchCriteria.getFirstName().replace('*', '%');
query = query.add(Restrictions.like("firstName", firstName).ignoreCase());
}
if(searchCriteria.getLastName() != null && !searchCriteria.getLastName().isEmpty()){
String lastName = searchCriteria.getLastName().replace('*', '%');
query = query.add(Restrictions.like("lastName", lastName).ignoreCase());
}
if(searchCriteria.getCity() != null && !searchCriteria.getCity().isEmpty()){
String city = searchCriteria.getCity().replace('*', '%');
query = query.add(Restrictions.like("city", city).ignoreCase());
}
if(searchCriteria.getState() != null && !searchCriteria.getState().isEmpty()){
String state = searchCriteria.getState().replace('*', '%');
query = query.add(Restrictions.like("state", state).ignoreCase());
}
}
query = query.addOrder(Property.forName("lastName").asc());
query = query.addOrder(Property.forName("firstName").asc());

@SuppressWarnings("unchecked")
List<Student> surveyList = (List<Student>)query.list();
tx.commit();

if(surveyList.size() > 0){
surveys.data = surveyList;
}

return surveys;
}

@WebMethod
public List<Student> GetStudents(@WebParam Student searchCriteria) throws IOException{
Surveys surveys = GetSurveys(searchCriteria);
return surveys.data;
}

public List<String> GetSurveyNames(){
List<String> surveyNames = new ArrayList<String>();
Surveys surveys = GetSurveys(null);
for(Student survey : surveys.data){
surveyNames.add(survey.getFirstName() + " " + survey.getLastName());
}
return surveyNames;
}

public WinningResult ComputeMeanAndStandardDeviation(String raffle){
if(StringUtils.isEmpty(raffle)){
return new WinningResult(0,0);
}
String[] numbers = raffle.split(",");
double sum = 0;

for(int i=0; i < numbers.length; i++){
  sum += Double.valueOf(numbers[i].trim());
}
double mean = Math.round((sum/numbers.length) * 100)/100;

double temp = 0;
for(int i=0; i < numbers.length; i++){
  double num = Double.valueOf(numbers[i].trim());
  temp += (mean - num) * (mean - num);
}
double variance = temp/numbers.length;
double standardDeviation = Math.round(Math.sqrt(variance) * 100)/100 ;

WinningResult data = new WinningResult(mean, standardDeviation);
return data;
}

@Override
public void DeleteStudent(Student postData) {
Session session = HibernateUtil.getSessionFactory().getCurrentSession();
Transaction tx=session.getTransaction();
tx.begin();
Student student = (Student) session.createCriteria(Student.class)
   .add(Property.forName("id").eq(postData.getId()))
   .uniqueResult();
int contactId = student.getContactId();
Contact con = (Contact) session.createCriteria(Contact.class)
   .add(Property.forName("id").eq(contactId))
   .uniqueResult();
session.delete(student);
session.delete(con);
tx.commit();
}
}

Web Service Interface
package tutorial.example;

import java.io.IOException;
import java.util.List;

import javax.ejb.Remote;
import javax.jws.WebService;

@WebService(targetNamespace = "http://gmuswe645.edu/wsdl")
@Remote
public interface StudentServiceEJBRemoteInt {
    public List<Student> GetStudents(Student searchCriteria) throws IOException;
    public Student GetStudentSurveyData(Student student);
    public WinningResult ComputeMeanAndStandardDeviation(String raffle);
    public void SaveStudentSurveyFormData(Student postData);
    public void DeleteStudent(Student student);
}

Action Class

package tutorial.serviceexample;

import java.net.MalformedURLException;

import java.net.URL;

import java.util.List;

import javax.xml.namespace.QName;

import javax.xml.ws.Service;

import tutorial.example.Student;

import tutorial.example.StudentServiceEJBRemoteInt;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

public class SurveyAction extends ActionSupport implements ModelDriven<Student> {

private static final long serialVersionUID = 1L;

private Student student;

private List<Student> surveysList;

private Service surveyService;

private StudentServiceEJBRemoteInt surveyWs;

public SurveyAction(){

try {

surveyService = Service.create(

       new URL("http://localhost:8080/surveyapp-tkhuc-ejb/SurveyAppService/StudentServiceHibernateImplWS?wsdl"),

       new QName("http://gmuswe645.edu/wsdl", "SurveyAppService"));

surveyWs = surveyService.getPort(StudentServiceEJBRemoteInt.class);

} catch (MalformedURLException e) {

e.printStackTrace();

}

}

public String searchsurvey() throws Exception{

surveysList = (List<Student>) surveyWs.GetStudents(student);

return SUCCESS;

}

public void validate(){

}

public Student getStudent(){

return student;

}

public void setStudent(Student student){

this.student = student;

}

public List<Student> getSurveysList() {

return surveysList;

}

public void setSurveysList(List<Student> surveysList) {

this.surveysList = surveysList;

}

@Override

public Student getModel() {

student = new Student();

return student;

}

public int getSurveysListCount() {

int count = 0;

if(surveysList != null)

count = surveysList.size();

return count;

}

}