[07] Fixed package path

Signed-off-by: Jim Martens <github@2martens.de>

07/src/de/dis2017/data/Article.java

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+package de.dis2017.data;
+
+public class Article {
+    private int _articleID;
+    private int _productGroupID;
+    private String _name;
+    private float _price;
+    
+    public int get_articleID() {
+        return _articleID;
+    }
+    
+    public void set_articleID(int articleID) {
+        _articleID = articleID;
+    }
+    
+    public int get_productGroupID() {
+        return _productGroupID;
+    }
+    
+    public void set_productGroupID(int productGroupID) {
+        _productGroupID = productGroupID;
+    }
+    
+    public String get_name() {
+        return _name;
+    }
+    
+    public void set_name(String name) {
+        _name = name;
+    }
+    
+    public float get_price() {
+        return _price;
+    }
+    
+    public void set_price(float price) {
+        _price = price;
+    }
+}

07/src/de/dis2017/data/Sale.java

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+package de.dis2017.data;
+
+
+import java.util.Date;
+
+public class Sale {
+    private Date _date;
+    private int _shopID;
+    private int _articleID;
+    private int _sold;
+    private int _earnings;
+    
+    
+    public Date get_date() {
+        return _date;
+    }
+    
+    public void set_date(Date date) {
+        _date = date;
+    }
+    
+    public int get_shopID() {
+        return _shopID;
+    }
+    
+    public void set_shopID(int shopID) {
+        _shopID = shopID;
+    }
+    
+    public int get_articleID() {
+        return _articleID;
+    }
+    
+    public void set_articleID(int articleID) {
+        _articleID = articleID;
+    }
+    
+    public int get_sold() {
+        return _sold;
+    }
+    
+    public void set_sold(int sold) {
+        _sold = sold;
+    }
+    
+    public int get_earnings() {
+        return _earnings;
+    }
+    
+    public void set_earnings(int earnings) {
+        _earnings = earnings;
+    }
+}

07/src/de/dis2017/data/Shop.java

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+package de.dis2017.data;
+
+public class Shop {
+    private int _shopID;
+    private int _cityID;
+    private String _name;
+    
+    public int get_shopID() {
+        return _shopID;
+    }
+    
+    public void set_shopID(int shopID) {
+        _shopID = shopID;
+    }
+    
+    public int get_cityID() {
+        return _cityID;
+    }
+    
+    public void set_cityID(int cityID) {
+        _cityID = cityID;
+    }
+    
+    public String get_name() {
+        return _name;
+    }
+    
+    public void set_name(String name) {
+        _name = name;
+    }
+}

07/src/de/dis2017/data/db/CSVScanner.java

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+package de.dis2017.data.db;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+public class CSVScanner {
+    /**
+     * Scans the sales.csv file.
+     * @return a list of csv entries
+     * @throws FileNotFoundException if file doesn't exist
+     */
+    public List<List<String>> scan() throws FileNotFoundException {
+        List<List<String>> entries = new ArrayList<>();
+        
+        Scanner scanner = new Scanner(new File("sales.csv"));
+        while (scanner.hasNextLine()) {
+            List<String> line = new ArrayList<>();
+            String line_str = scanner.nextLine();
+            Scanner line_scanner = new Scanner(line_str);
+            line_scanner.useDelimiter(";");
+            while (line_scanner.hasNext()) {
+                line.add(line_scanner.next());
+            }
+            entries.add(line);
+        }
+        scanner.close();
+        
+        return entries;
+    }
+}

07/src/de/dis2017/data/db/DB2ConnectionManager.java

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+package de.dis2017.data.db;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.Properties;
+
+/**
+ * Singleton for management of database connections
+ *
+ * @author Michael von Riegen
+ * @version April 2009
+ */
+class DB2ConnectionManager {
+    
+    // instance of Driver Manager
+    private static DB2ConnectionManager _instance = null;
+    
+    // DB2 connection
+    private Connection _con;
+    
+    /**
+     * Initializes database connection
+     */
+    private DB2ConnectionManager() {
+        try {
+            // load properties from db2.properties file
+            Properties      properties = new Properties();
+            URL             url        = ClassLoader.getSystemResource("db2.properties");
+            FileInputStream stream     = new FileInputStream(new File(url.toURI()));
+            properties.load(stream);
+            stream.close();
+            
+            String jdbcUser = properties.getProperty("jdbc_user");
+            String jdbcPass = properties.getProperty("jdbc_pass");
+            String jdbcUrl  = properties.getProperty("jdbc_url");
+            
+            // created connection to DB2 database
+            Class.forName("com.ibm.db2.jcc.DB2Driver");
+            _con = DriverManager.getConnection(jdbcUrl, jdbcUser, jdbcPass);
+            
+        } catch (IOException | ClassNotFoundException | SQLException | URISyntaxException e) {
+            e.printStackTrace();
+        }
+        
+    }
+    
+    /**
+     * Returns the instance of the connection manager
+     *
+     * @return DB2ConnectionManager
+     */
+    static DB2ConnectionManager getInstance() {
+        if (_instance == null) {
+            _instance = new DB2ConnectionManager();
+        }
+        return _instance;
+    }
+    
+    /**
+     * Returns the connection to the DB2 database
+     *
+     * @return Connection
+     */
+    Connection getConnection() {
+        return _con;
+    }
+}