com.fxforbiz.softphone.core.managers.UpdateManager.java Source code

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Here is the source code for com.fxforbiz.softphone.core.managers.UpdateManager.java

Source

package com.fxforbiz.softphone.core.managers;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.io.FileUtils;
import com.fxforbiz.softphone.core.Application;
import com.fxforbiz.softphone.utils.Logger;

/**
 * This class is a singleton manager that handles updates for the application.
 */
public class UpdateManager {
    /**
     * The instance of UpdateManager.
     */
    private static UpdateManager instance = null;

    /**
     * Constructor.
     */
    private UpdateManager() {
        UpdateManager.instance = this;
    }

    /**
     * Getter of the instance of the update manager. If the update manager is not initialized, it initialize it.
     * @return An instance of the update manager.
     */
    public static UpdateManager getInstance() {
        UpdateManager ret = UpdateManager.instance;
        if (UpdateManager.instance == null) {
            ret = new UpdateManager();
        }
        return ret;
    }

    /**
     * This methods checks in the properties of the application if an update is needed.
     * @return Either an update is needed or not.
     */
    public boolean checkForUpdate() {
        String dateStr = Application.getInstance().getPropertyManger().getProperty("END_DATE_LICENCE");
        SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");
        Date end = null;
        try {
            end = sdf.parse(dateStr);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        Date now = new Date();

        return !now.before(end);
    }

    /**
     * This method handles the update process for the application.
     * @return Either the update is successful or not.
     */
    public boolean startUpdateProcess() {
        Application.getInstance().getLogger().log("Begining update...", Logger.INFO);

        String urlLicenceFile = Application.getInstance().getPropertyManger()
                .getProperty("URL_UPDATE_LICENCE_FILE");
        String urlPropertiesFile = Application.getInstance().getPropertyManger()
                .getProperty("URL_UPDATE_PROPERTIES_FILE");
        String appVersion = Application.getInstance().getPropertyManger().getProperty("APP_VERSION");

        String pathLicenceFile = "Softphone_" + appVersion + "_lib/license.jar";
        String pathPropertiesFile = "config.properties";

        File licenceFileToRemove = new File(pathLicenceFile);
        File propertiesFileToRemove = new File(pathPropertiesFile);

        if (licenceFileToRemove.exists() == false) {
            Application.getInstance().getLogger().log(
                    "licence file missing, aborting... (" + licenceFileToRemove.getAbsolutePath() + ")",
                    Logger.CRITICAL);
            return false;
        }

        if (propertiesFileToRemove.exists() == false) {
            Application.getInstance().getLogger().log("properties file missing, aborting...", Logger.CRITICAL);
            return false;
        }

        try {
            licenceFileToRemove.delete();
            propertiesFileToRemove.delete();
        } catch (SecurityException se) {
            se.printStackTrace();
        }

        Application.getInstance().getLogger().log("Updating licence...", Logger.INFO);
        this.downloadFile(urlLicenceFile, pathLicenceFile);
        Application.getInstance().getLogger().log("Updating config...", Logger.INFO);
        this.downloadFile(urlPropertiesFile, pathPropertiesFile);
        Application.getInstance().getLogger().log("Update successfull !", Logger.INFO);
        return true;
    }

    /**
     * This method allow to download a file identified by the URL given in parameters, and record it in a file in the file path given in parameters.
     * @param URL The URL of the file to download.
     * @param pathOfFile The path to record the file downloaded.
     * @return Either the file is downloaded successfully or not.
     */
    private boolean downloadFile(String URL, String pathOfFile) {

        try {
            URL url = new URL(URL);
            File destination = new File(pathOfFile);
            FileUtils.copyURLToFile(url, destination);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        File verifFile = new File(pathOfFile);
        return verifFile.exists();
    }
}