5.0 Source Code

Committing 5.0 Source Code

src/main/java/com/unicenta/pos/forms/AppViewConnection.java

@@ -0,0 +1,145 @@
+//    uniCenta oPOS  - Touch Friendly Point Of Sale
+//    Copyright (c) 2009-2018 uniCenta & previous Openbravo POS works
+//    https://unicenta.com
+//
+//    This file is part of uniCenta oPOS
+//
+//    uniCenta oPOS is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//   uniCenta oPOS is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with uniCenta oPOS.  If not, see <http://www.gnu.org/licenses/>.
+
+package com.unicenta.pos.forms;
+
+import com.unicenta.basic.BasicException;
+import com.unicenta.data.loader.Session;
+import com.unicenta.pos.util.AltEncrypter;
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.sql.Driver;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import javax.swing.ImageIcon;
+import javax.swing.JOptionPane;
+
+/**
+ *
+ * @author adrianromero
+ */
+public class AppViewConnection {
+    
+    /** Creates a new instance of AppViewConnection */
+    private AppViewConnection() {
+    }
+    
+    /**
+     *
+     * @param props
+     * @return
+     * @throws BasicException
+     */
+    public static Session createSession(AppProperties props) throws BasicException {
+        try {
+            String dbURL=null;
+            String sDBUser=null;
+            String sDBPassword=null;
+            String sUserPath = System.getProperty("user.home"); 
+            String filePath = sUserPath + "\\open.db";
+
+            if (isJavaWebStart()) {
+                Class.forName(props.getProperty("db.driver"), true, Thread.currentThread().getContextClassLoader());
+            } else {
+                URL[] urls = {new File(props.getProperty("db.driverlib")).toURI().toURL()};
+                ClassLoader cloader = new URLClassLoader(urls);
+                String driver = props.getProperty("db.driver");
+                DriverWrapper driverWrapper = new DriverWrapper((Driver) Class.forName(driver, true, cloader).newInstance());
+                DriverManager.registerDriver(driverWrapper);
+            }
+            if("true".equals(props.getProperty("db.multi"))) {
+                if (!Files.exists(Paths.get(filePath))) {
+                    ImageIcon icon = new ImageIcon("/com/unicenta/images/unicentaopos.png");
+                    Object[] dbs = {
+                    "0 - " + props.getProperty("db.name"),
+                    "1 - " + props.getProperty("db1.name")};
+        
+                    Object s = (Object)JOptionPane.showInputDialog(
+                        null, AppLocal.getIntString("message.databasechoose"),
+                        "Selection", JOptionPane.OK_OPTION,
+                        icon, dbs, props.getProperty("db.name"));
+            
+                    if (s.toString().startsWith("1")) {
+                        sDBUser = props.getProperty("db1.user");
+                        sDBPassword = props.getProperty("db1.password");
+                        if (sDBUser != null && sDBPassword != null && sDBPassword.startsWith("crypt:")) {
+                            AltEncrypter cypher = new AltEncrypter("cypherkey" + sDBUser);
+                            sDBPassword = cypher.decrypt(sDBPassword.substring(6));
+                        }
+                        dbURL = props.getProperty("db1.URL") +
+                        props.getProperty("db1.schema") +
+                        props.getProperty("db1.options");
+                    } else {
+                        sDBUser = props.getProperty("db.user");
+                        sDBPassword = props.getProperty("db.password");
+                        if (sDBUser != null && sDBPassword != null && sDBPassword.startsWith("crypt:")) {
+                            AltEncrypter cypher = new AltEncrypter("cypherkey" + sDBUser);
+                            sDBPassword = cypher.decrypt(sDBPassword.substring(6));
+                        }
+                        dbURL = props.getProperty("db.URL") +
+                        props.getProperty("db.schema") +
+                        props.getProperty("db.options");                        
+                    }
+                } else {
+                    sDBUser = props.getProperty("db.user");
+                    sDBPassword = props.getProperty("db.password");
+                    if (sDBUser != null && sDBPassword != null && sDBPassword.startsWith("crypt:")) {
+                        AltEncrypter cypher = new AltEncrypter("cypherkey" + sDBUser);
+                        sDBPassword = cypher.decrypt(sDBPassword.substring(6));
+                    }
+                    dbURL = props.getProperty("db.URL") +
+                    props.getProperty("db.schema") +
+                    props.getProperty("db.options");                    
+                }    
+
+            } else {
+                sDBUser = props.getProperty("db.user");
+                sDBPassword = props.getProperty("db.password");
+                if (sDBUser != null && sDBPassword != null && sDBPassword.startsWith("crypt:")) {
+                    AltEncrypter cypher = new AltEncrypter("cypherkey" + sDBUser);
+                    sDBPassword = cypher.decrypt(sDBPassword.substring(6));
+                }
+
+                dbURL = props.getProperty("db.URL") +
+                props.getProperty("db.schema") +
+                props.getProperty("db.options");                
+            }
+            return new Session(dbURL, sDBUser,sDBPassword);
+                
+        } catch (InstantiationException | IllegalAccessException | MalformedURLException | ClassNotFoundException e) {
+            throw new BasicException(AppLocal.getIntString("message.databasedrivererror"), e);
+        } catch (SQLException eSQL) {
+            throw new BasicException(AppLocal.getIntString("message.databaseconnectionerror"), eSQL);
+        }
+    }
+
+    private static boolean isJavaWebStart() {
+
+        try {
+            Class.forName("javax.jnlp.ServiceManager");
+            return true;
+        } catch (ClassNotFoundException ue) {
+            return false;
+        }
+    }
+}