DatabaseCheck.java

/*
 * This file is part of the aidGer project.
 *
 * Copyright (C) 2010-2013 The aidGer Team
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * DatabaseCheck.java
 *
 * Created on Nov 30, 2010, 2:29:12 PM
 */

package de.aidger.view.wizard;

import de.aidger.controller.ActionNotFoundException;
import de.aidger.controller.ActionRegistry;
import de.aidger.controller.actions.DatabaseCheckFinishAction;
import de.aidger.model.Runtime;
import de.aidger.model.models.Activity;
import static de.aidger.utils.Translation._;
import de.aidger.utils.Logger;
import de.aidger.view.UI;
import de.aidger.view.WizardPanel;
import de.aidger.view.utils.MultiLineLabelUI;
import java.awt.Color;
import java.util.List;

import javax.swing.AbstractAction;

import siena.SienaException;

/**
 * Check the previously entered database connection
 *
 * @author rmbl
 */
public class DatabaseCheck extends WizardPanel {

	private static final long serialVersionUID = 1L;
	
	private boolean hasConnected = false;

    /** Creates new form DatabaseCheck */
    public DatabaseCheck() {
        initComponents();
        try {
            setNextAction((AbstractAction) ActionRegistry.getInstance().get(DatabaseCheckFinishAction.class.getName()));
        } catch (ActionNotFoundException ex) {
            UI.displayError(ex.getMessage());
        }

        jLabel1.setUI(MultiLineLabelUI.labelUI);
    }

    /**
     * Prepare the panel before showing it.
     */
    @Override
    public void preparePanel() {
        jLabel3.setForeground(Color.red);
        jLabel3.setText(_("Trying to connect ..."));

        /* Try to get a connection to the database server */
        BackgroundThread thread = new BackgroundThread();
        thread.start();
    }

    /**
     * Return true if the connection was successfully established.
     *
     * @return True if the connection was successfully established
     */
    public boolean hasConnected() {
        return hasConnected;
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jLabel2 = new javax.swing.JLabel();
        jLabel1 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();

        setPreferredSize(new java.awt.Dimension(500, 300));

        jLabel2.setFont(new java.awt.Font("DejaVu Sans", 0, 36)); // NOI18N
        jLabel2.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabel2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/de/aidger/res/icons/aidger-icon.png"))); // NOI18N
        jLabel2.setText("aidGer");

        jLabel1.setText(_("aidGer will now try to establish a connection to the database and configure the database if necessary.\n\nIf the text below changes and becomes green, it is save to finish the wizard and start working with aidGer. Otherwise you should go back to the previous page and configure your database correctly."));
        jLabel1.setVerticalAlignment(javax.swing.SwingConstants.TOP);

        jLabel3.setForeground(java.awt.Color.red);
        jLabel3.setText(_("Trying to connect ..."));

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 476, Short.MAX_VALUE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, 476, Short.MAX_VALUE)
                    .addComponent(jLabel3, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 476, Short.MAX_VALUE))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel2)
                .addGap(18, 18, 18)
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addComponent(jLabel3)
                .addContainerGap(68, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    // End of variables declaration//GEN-END:variables

    /**
     * Try to connect to the database in a separate thread.
     */
    private class BackgroundThread extends Thread {

        @Override
        public void run() {        	
            try {
            	// Reloads the configuration and tries to connect
            	Runtime.getInstance().reloadDatabaseConnection();
            	                 
                jLabel3.setForeground(Color.green);
                jLabel3.setText(_("Connection successful."));
                hasConnected = true;
            } catch (SienaException ex) {
            	jLabel3.setText(_("Connection failed. Please check with your Administrator"));
            	Logger.error("SienaException: " + ex.getMessage());
            } catch (Exception ex) {
            	jLabel3.setText(_("Internal failure. Please check with your Administrator"));
            	Logger.error("Exception: " + ex.getMessage());
            } 
        }
    }



}