Initial commit

2026-05-18 02:51:45 +03:00 · 2019-02-26 00:42:52 +03:00
commit 04240cda53
13 changed files with 417 additions and 0 deletions
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
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+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="WST" />
+        <module name="WST_Lab1" />
+      </profile>
+    </annotationProcessing>
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+</project>
@@ -0,0 +1,4 @@
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@@ -0,0 +1,14 @@
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+  <component name="uidesigner-configuration">
+    <option name="INSTRUMENT_CLASSES" value="false" />
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+</project>
@@ -0,0 +1,12 @@
+create table cars (
+	brand varchar(100) primary key,
+	model varchar(100),
+	dateOfSales date,
+	country varchar(50),
+	power numeric
+) 
+
+insert into cars values('Dodge', 'RAM', to_date('27-09-2019', 'DD-MM-yyyy'), 'USA', 395);
+insert into cars values('LADA', 'XRay', to_date('18-04-2018', 'DD-MM-yyyy'), 'Russia', 122);
+insert into cars values('Nissan', 'Pathfinder', to_date('01-06-2010', 'DD-MM-yyyy'), 'Japan', 170);
+insert into cars values('Cadillac', 'Escalade', to_date('21-03-2005', 'DD-MM-yyyy'), 'USA', 362);
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4" />
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>WST</groupId>
+    <artifactId>WST</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <version>42.2.2</version>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>2.1</version>
+                <configuration>
+                    <packagingExcludes>WEB-INF/classes/**</packagingExcludes>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+
+</project>
@@ -0,0 +1,13 @@
+
+
+
+import Lab1.CarWebService;
+
+import javax.xml.ws.Endpoint;
+
+public class App {
+    public static void main(String[] args) {
+        String url = "http://localhost:8081/CarService";
+        Endpoint.publish(url, new CarWebService());
+    }
+}
@@ -0,0 +1,59 @@
+package Lab1;
+
+import java.util.Date;
+
+public class Car {
+    private String name;
+    private Date dateOfStart;
+    private String country;
+    private double duration;
+    private String director;
+
+    public Car(String name, Date date, String country, double duration, String director) {
+        this.name = name;
+        this.dateOfStart = date;
+        this.country = country;
+        this.duration = duration;
+        this.director = director;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Date getDateOfStart() {
+        return dateOfStart;
+    }
+
+    public void setDateOfStart(Date dateOfStart) {
+        this.dateOfStart = dateOfStart;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public void setCountry(String country) {
+        this.country = country;
+    }
+
+    public double getDuration() {
+        return duration;
+    }
+
+    public void setDuration(double duration) {
+        this.duration = duration;
+    }
+
+    public String getDirector() {
+        return director;
+    }
+
+    public void setDirector(String director) {
+        this.director = director;
+    }
+}
@@ -0,0 +1,66 @@
+package Lab1;
+
+import java.sql.*;
+import java.util.*;
+import java.util.Date;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public abstract class CarDAO {
+
+    private Boolean addChecking(Object value, String fieldName, Boolean isNotFirst, StringBuilder query) {
+        if (value != null) {
+            if (isNotFirst) {
+                query.append(" and ");
+            }
+            if (value instanceof String) {
+                query.append(fieldName).append(" = '").append(value).append("'");
+            } else {
+                query.append(fieldName).append(" = ").append(value);
+            }
+            if (!isNotFirst) {
+                return true;
+            }
+        }
+        return isNotFirst;
+    }
+
+    public abstract Connection getConnection();
+
+    public List<Car> getDataByFields(String name, String director, String country, Date dateOfStart, Double duration) {
+        List<Car> cars = Collections.emptyList();
+        try (Connection connection = getConnection()) {
+            StringBuilder query = new StringBuilder("select * from cars");
+            boolean notFirstField = false;
+            if (name != null || director != null || country != null && dateOfStart != null || duration != null) {
+                query.append(" where ");
+            }
+            notFirstField = addChecking(name, "name", notFirstField, query);
+            notFirstField = addChecking(director, "director", notFirstField, query);
+            notFirstField = addChecking(country, "country", notFirstField, query);
+            notFirstField = addChecking(dateOfStart, "dateOfStart", notFirstField, query);
+            addChecking(duration, "duration", notFirstField, query);
+
+            PreparedStatement stmt = connection.prepareStatement(query.toString());
+            ResultSet rs = stmt.executeQuery();
+            cars = extractFilmsFromResultSet(rs);
+        } catch (SQLException ex) {
+            Logger.getLogger(CarDAO.class.getName()).log(Level.SEVERE, null, ex);
+        }
+        return cars;
+    }
+
+    private List<Car> extractFilmsFromResultSet(ResultSet rs) throws SQLException{
+        List<Car> cars = new ArrayList<Car>();
+        while (rs.next()) {
+            String name = rs.getString("name");
+            Date date = rs.getDate("dateOfStart");
+            String director = rs.getString("director");
+            String country = rs.getString("country");
+            double duration = rs.getDouble("duration");
+
+            Car car = new Car(name, date, country, duration, director);
+            cars.add(car);
+        } return cars;
+    }
+}
@@ -0,0 +1,22 @@
+package Lab1;
+
+import javax.jws.WebMethod;
+import javax.jws.WebParam;
+import javax.jws.WebService;
+import java.util.Date;
+import java.util.List;
+
+@WebService(name = "FilmService")
+public class CarWebService {
+
+    private final static CarDAO filmDao = new StandaloneCarDAO();
+
+    @WebMethod
+    public List<Car> getFilmsByFields(@WebParam(name = "filmName") String name,
+                                      @WebParam(name = "director") String director,
+                                      @WebParam(name = "country") String country,
+                                      @WebParam(name = "dateOfStart") Date date,
+                                      @WebParam(name = "duration") Double duration) {
+        return filmDao.getDataByFields(name, director, country, date, duration);
+    }
+}
@@ -0,0 +1,31 @@
+package Lab1;
+
+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/";
+    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(CarDAO.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;
+    }
+}
@@ -0,0 +1,11 @@
+package Lab1;
+
+import java.sql.Connection;
+
+public class StandaloneCarDAO extends CarDAO {
+
+    @Override
+    public Connection getConnection() {
+        return ConnectionUtil.getConnection();
+    }
+}