add gitignore

src/App.java

@@ -0,0 +1,10 @@
+import javax.xml.ws.Endpoint;
+
+public class App
+{
+    public static void main( String[] args )
+    {
+        String url = "http://localhost:8080/PersonService";
+        Endpoint.publish(url, new PersonWebService());
+    }
+}

src/ConnectionUtil.java

@@ -0,0 +1,30 @@
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+
+public class ConnectionUtil {
+    private static final String JDBC_URL = "jdbc:postgresql://192.168.1.119:5432/postgres";
+    private static final String JDBC_USER = "postgres";
+    private static final String JDBC_PASSWORD = "qwerty";
+
+    static {
+        try {
+            Class.forName("org.postgresql.Driver");
+        } catch (ClassNotFoundException ex) {
+            Logger.getLogger(PostgreSQLDAO.class.getName()).log(Level.SEVERE, null, ex);
+        }
+    }
+    public static Connection getConnection() {
+        Connection connection = null;
+        try {
+            connection = DriverManager.getConnection(JDBC_URL, JDBC_USER,
+                    JDBC_PASSWORD);
+        } catch (SQLException ex) {
+            Logger.getLogger(ConnectionUtil.class.getName()).log(Level.SEVERE, null, ex);
+        }
+        return connection;
+    }
+}

src/Person.java

@@ -0,0 +1,39 @@
+import javax.xml.bind.annotation.XmlRootElement;
+@XmlRootElement
+public class Person {
+    private String name;
+    private String surname;
+    private int age;
+    public Person() {
+    }
+    public Person(String name, String surname, int age) {
+        this.name = name;
+        this.surname = surname;
+        this.age = age;
+    }
+    public String getName() {
+        return name;
+    }
+    public String getSurname() {
+        return surname;
+    }
+    public int getAge() {
+        return age;
+    }
+    public void setName(String name) {
+
+        this.name = name;
+    }
+    public void setSurname(String surname) {
+        this.surname = surname;
+    }
+    public void setAge(int age) {
+        this.age = age;
+    }
+
+    @Override
+    public String toString() {
+        return "Person{" + "name=" + name + ", surname=" + surname + ", age=" + age + '}';
+    }
+
+}

src/PersonWebService.java

@@ -0,0 +1,34 @@
+import javax.annotation.Resource;
+import javax.jws.WebMethod;
+import javax.jws.WebService;
+import javax.sql.DataSource;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+
+@WebService(serviceName = "PersonService")
+public class PersonWebService {
+    @Resource(lookup = "jdbc/ifmo-ws")
+    private DataSource dataSource;
+
+    @WebMethod(operationName = "getPersons")
+    public List<Person> getPersons() {
+        PostgreSQLDAO dao = new PostgreSQLDAO(getConnection());
+        List<Person> persons = dao.getPersons();
+        return persons;
+    }
+
+    private Connection getConnection() {
+        Connection result = null;
+        try {
+            result = dataSource.getConnection();
+        } catch (SQLException ex) {
+            Logger.getLogger(PersonWebService.class.getName()).log(Level.SEVERE, null, ex);
+        }
+        return result;
+    }
+
+}

src/PostgreSQLDAO.java

@@ -0,0 +1,38 @@
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by artemsolonin on 12.05.2017.
+ */
+public class PostgreSQLDAO {
+    public PostgreSQLDAO(Connection connection) {
+
+    }
+
+    public List<Person> getPersons(){
+        List<Person> persons = new ArrayList<>();
+        try(Connection connection = ConnectionUtil.getConnection()){
+            Statement stmt = connection.createStatement();
+            ResultSet rs = stmt.executeQuery("SELECT * FROM persons");
+
+            while (rs.next()){
+                String name = rs.getString("name");
+                String surname = rs.getString("surname");
+                int age = rs.getInt("age");
+
+                Person person = new Person(name,surname,age);
+                persons.add(person);
+            }
+        }
+        catch (SQLException se)
+        {
+            se.printStackTrace();
+        }
+
+        return persons;
+    }
+}