From 17d5c6607692a49474d4c05048405e9f19507e52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Boris=20Bab=C4=8D=C3=A1k?= <boris.babcak@kosickaakademia.sk>
Date: Thu, 8 Feb 2024 12:12:33 +0100
Subject: [PATCH] added class database, unit
---
.idea/vcs.xml | 6 ++
CountryJSON | 1 +
pom.xml | 7 ++
.../java/sk/kasv/babcak/worldx/Country.java | 67 +++++++++++++++++++
.../java/sk/kasv/babcak/worldx/DataBase.java | 63 +++++++++++++++++
src/main/java/sk/kasv/babcak/worldx/Util.java | 12 ++++
.../java/sk/kasv/babcak/worldx/WorldApp.java | 51 ++------------
.../sk/kasv/babcak/worldx/WriterJSON.java | 40 +++++++++++
8 files changed, 202 insertions(+), 45 deletions(-)
create mode 100644 .idea/vcs.xml
create mode 100644 CountryJSON
create mode 100644 src/main/java/sk/kasv/babcak/worldx/Country.java
create mode 100644 src/main/java/sk/kasv/babcak/worldx/DataBase.java
create mode 100644 src/main/java/sk/kasv/babcak/worldx/Util.java
create mode 100644 src/main/java/sk/kasv/babcak/worldx/WriterJSON.java
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+ <component name="VcsDirectoryMappings">
+ <mapping directory="" vcs="Git" />
+ </component>
+</project>
\ No newline at end of file
diff --git a/CountryJSON b/CountryJSON
new file mode 100644
index 0000000..034779e
--- /dev/null
+++ b/CountryJSON
@@ -0,0 +1 @@
+{"date":"2024-02-08","code3":"TUR","code2":"TR","name":"Turkey","capitalCity":"Ankara","citites":["Istanbul","Ankara","Izmir","Adana","Bursa","Gaziantep","Konya","Mersin (Içel)","Antalya","Diyarbakir","Kayseri","Eskisehir","Sanliurfa","Samsun","Malatya","Gebze","Denizli","Sivas","Erzurum","Tarsus","Kahramanmaras","Elâzig","Van","Sultanbeyli","Izmit (Kocaeli)","Manisa","Batman","Balikesir","Sakarya (Adapazari)","Iskenderun","Osmaniye","Çorum","Kütahya","Hatay (Antakya)","Kirikkale","Adiyaman","Trabzon","Ordu","Aydin","Usak","Edirne","Çorlu","Isparta","Karabük","Kilis","Alanya","Kiziltepe","Zonguldak","Siirt","Viransehir","Tekirdag","Karaman","Afyon","Aksaray","Ceyhan","Erzincan","Bismil","Nazilli","Tokat","Kars","Inegöl","Bandirma"]}
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 06fb2d7..5c7b564 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,6 +20,13 @@
<artifactId>mysql-connector-java</artifactId>
<version>8.0.33</version>
</dependency>
+ <dependency>
+ <groupId>org.json</groupId>
+ <artifactId>json</artifactId>
+ <version>20240205</version>
+ </dependency>
+
+
</dependencies>
</project>
\ No newline at end of file
diff --git a/src/main/java/sk/kasv/babcak/worldx/Country.java b/src/main/java/sk/kasv/babcak/worldx/Country.java
new file mode 100644
index 0000000..5b86403
--- /dev/null
+++ b/src/main/java/sk/kasv/babcak/worldx/Country.java
@@ -0,0 +1,67 @@
+package sk.kasv.babcak.worldx;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Country {
+ private String name;
+ private String code2;
+ private String code3;
+ private String capital;
+ List<String> list = new ArrayList<>();
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getCode2() {
+ return code2;
+ }
+
+ public void setCode2(String code2) {
+ this.code2 = code2;
+ }
+
+ public String getCode3() {
+ return code3;
+ }
+
+ public void setCode3(String code3) {
+ this.code3 = code3;
+ }
+
+ public String getCapital() {
+ return capital;
+ }
+
+ public void setCapital(String capital) {
+ this.capital = capital;
+ }
+
+ public List<String> getList() {
+ return list;
+ }
+
+ public void setList(List<String> list) {
+ this.list = list;
+ }
+
+ /**
+ * @author Boris Babčák
+ * @date 7.2.2024
+ * @description Prints all data from city
+ */
+ public void printCity(){
+ System.out.println("<----------------------------------->");
+ System.out.println("Country: "+name+" | "+"Code 2: "+code2+" | "+"Code 3: "+code3+" | "+"Capital: "+capital);
+ System.out.println("List of cities: "+list.size());
+ for(String text:list){
+ System.out.println("> " + text);
+ }
+ System.out.println("<----------------------------------->");
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/sk/kasv/babcak/worldx/DataBase.java b/src/main/java/sk/kasv/babcak/worldx/DataBase.java
new file mode 100644
index 0000000..df9f7da
--- /dev/null
+++ b/src/main/java/sk/kasv/babcak/worldx/DataBase.java
@@ -0,0 +1,63 @@
+package sk.kasv.babcak.worldx;
+
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+
+public class DataBase {
+ private static final String URL = "jdbc:mysql://localhost:3306/world_x";
+ private static final String USER = "root";
+ private static final String PASSWORD = "";
+ private static final String SELECT_CITIES = "SELECT Country.Name, City.name, Country.Code2" +
+ " FROM City INNER JOIN country ON City.CountryCode = Country.Code" +
+ " WHERE Country.Code LIKE ?";
+ private static final String SELECT_CAPITAL = "SELECT City.name, Country.Code" +
+ " FROM City INNER JOIN country ON City.CountryCode = Country.Code" +
+ " WHERE Country.Code LIKE ? AND country.capital = city.id";
+
+ public Country getCountry(String code3){
+ Connection conn = null;
+ Country country = new Country();
+ country.setCode3(code3);
+ try {
+ conn = DriverManager.getConnection(URL, USER, PASSWORD);
+ printCities(conn, code3, country);
+ printCapital(conn,code3, country);
+ } catch (SQLException e) {
+ System.out.println(e);
+ }
+ return country;
+ }
+
+ private static void printCities(Connection conn, String code, Country country) throws SQLException {
+ List<String> cities = new ArrayList<>();
+
+ PreparedStatement ps = conn.prepareStatement(SELECT_CITIES);
+ ps.setString(1, code);
+ ResultSet rs = ps.executeQuery();
+ String countryName = null;
+ String code2 = null;
+
+ while (rs.next()) {
+ countryName = rs.getString("Country.Name");
+ String city = rs.getString("City.Name");
+ code2 = rs.getString("Country.Code2");
+
+ cities.add(city);
+ }
+ country.setList(cities);
+ country.setCode2(code2);
+ country.setName(countryName);
+ }
+
+ private static void printCapital(Connection conn, String code3, Country country) throws SQLException {
+ PreparedStatement ps = conn.prepareStatement(SELECT_CAPITAL);
+ ps.setString(1,code3);
+ ResultSet rs = ps.executeQuery();
+ String city=null;
+ if(rs.next()){
+ city = rs.getString("city.name");
+ }
+ country.setCapital(city);
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/sk/kasv/babcak/worldx/Util.java b/src/main/java/sk/kasv/babcak/worldx/Util.java
new file mode 100644
index 0000000..a8ed097
--- /dev/null
+++ b/src/main/java/sk/kasv/babcak/worldx/Util.java
@@ -0,0 +1,12 @@
+package sk.kasv.babcak.worldx;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class Util {
+ public static String getDate(){
+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+ String date = sdf.format(new Date());
+ return date;
+ }
+}
diff --git a/src/main/java/sk/kasv/babcak/worldx/WorldApp.java b/src/main/java/sk/kasv/babcak/worldx/WorldApp.java
index 41b15b0..b49cf92 100644
--- a/src/main/java/sk/kasv/babcak/worldx/WorldApp.java
+++ b/src/main/java/sk/kasv/babcak/worldx/WorldApp.java
@@ -1,50 +1,11 @@
package sk.kasv.babcak.worldx;
-import java.sql.*;
public class WorldApp {
- private static final String URL="jdbc:mysql://localhost:3306/world_x";
- private static final String USER="root";
- private static final String PASSWORD="";
- private static final String SELECT_ALL_SLOVAKIA = "SELECT * FROM city WHERE CountryCode = 'SVK'";
- private static final String SELECT_CITIES = "SELECT Country.Name, City.name"+
- " FROM City INNER JOIN country ON City.CountryCode = Country.Code"+
- " WHERE CountryCode LIKE ?";
- public static void main(String[] args) {
- sk.kasv.babcak.worldx.WorldApp app = new sk.kasv.babcak.worldx.WorldApp(); //methods are not static, so we call them through the class object
- Connection conn = null;
- try {
- conn = DriverManager.getConnection(URL, USER, PASSWORD);
- app.printAllSlovakia(conn);
- System.out.println("<--------------------->");
- app.printCities(conn,"SVK");
-
- conn.close(); //connection has to be closed, so no one can access the DB !
- }catch(SQLException e){
- System.out.println(e);
- }
- }
-
- private void printCities(Connection conn, String country_code) throws SQLException {
- PreparedStatement ps = conn.prepareStatement(SELECT_CITIES);
- ps.setString(1,country_code);
- ResultSet rs = ps.executeQuery();
- while(rs.next()){
- String name = rs.getString("Country.Name");
- String code = rs.getString("City.Name");
- System.out.println(name+" | "+code);
- }
- }
-
- public void printAllSlovakia(Connection conn) throws SQLException{
- Statement statement = conn.createStatement();
- ResultSet rs = statement.executeQuery(SELECT_ALL_SLOVAKIA);
- while(rs.next()){
- String name = rs.getString("Name");
- String code = rs.getString("CountryCode");
- String district = rs.getString("District");
- String info = rs.getString("Info");
-
- System.out.println(name+" | "+code+" | "+district+" | "+info);
- }
+ public static void main(String[] args) {
+ DataBase db = new DataBase();
+ Country country = db.getCountry("TUR");
+ WriterJSON writerJSON = new WriterJSON();
+ writerJSON.createJSONdocument("CountryJSON", country);
+ country.printCity();
}
}
\ No newline at end of file
diff --git a/src/main/java/sk/kasv/babcak/worldx/WriterJSON.java b/src/main/java/sk/kasv/babcak/worldx/WriterJSON.java
new file mode 100644
index 0000000..bddcbfc
--- /dev/null
+++ b/src/main/java/sk/kasv/babcak/worldx/WriterJSON.java
@@ -0,0 +1,40 @@
+package sk.kasv.babcak.worldx;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class WriterJSON {
+ public void createJSONdocument(String fileName, Country country){
+ JSONObject object = createJsonStructure(country);
+ writeJsonDataIntoFile(fileName, object);
+ }
+
+ private void writeJsonDataIntoFile(String fileName, JSONObject object) {
+ try{
+ FileWriter file = new FileWriter(fileName);
+ file.write(object.toString());
+ file.close();
+ }catch(IOException e) {
+ e.printStackTrace();
+ }
+ }
+
+ private static JSONObject createJsonStructure(Country country) {
+ JSONObject object = new JSONObject();
+ object.put("name", country.getName());
+ object.put("code2", country.getCode2());
+ object.put("code3", country.getCode3());
+ object.put("capitalCity", country.getCapital());
+ JSONArray jsonArray = new JSONArray();
+ for(String city: country.getList()){
+ jsonArray.put(city);
+ }
+ object.put("citites",jsonArray);
+ object.put("date", Util.getDate());
+ System.out.println(object.toString());
+
+ return object;
+ }
+}
\ No newline at end of file
--
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