package fr.ifremer.quadrige2.magicdraw.helper;
   
   /*-
    * #%L
    * Quadrige2 Core :: Quadrige2 Magicdraw plugin
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2017 Ifremer
   * %%
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero 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 Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   * #L%
   */
  
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.Properties;
  
  import javax.swing.JOptionPane;
  
  import com.nomagic.magicdraw.ui.dialogs.MDDialogParentProvider;
  
  public class PropertiesHelper {
  
      
      protected PropertiesHelper() {
          // helper class
      }
      
      public static Properties loadProperties(String propertyFile, ClassLoader classLoader) {
          if (propertyFile == null) {
              throw new IllegalArgumentException("argument 'propertyFile' could not be null or empty");
          }
          Properties properties = new Properties();
          InputStream is = null;
          try {
              if (new File(propertyFile).exists()) {
                  is = new FileInputStream(new File(propertyFile));
              } else {
                  is = classLoader.getResourceAsStream(propertyFile);
              }
              if (is == null) {
                  JOptionPane.showMessageDialog(MDDialogParentProvider.getProvider().getDialogParent(), "Could not load properties file '"
                          + propertyFile + "' in the plugin classloader. Please check 'plugin.xml' file validity");
                  return null;
              }
  
              properties.load(is);
          } catch (IOException e) {
              JOptionPane.showMessageDialog(MDDialogParentProvider.getProvider().getDialogParent(),
                      "Error while loadinf the properties file '" + propertyFile);
              return null;
          } finally {
              if (is != null) {
                  try {
                      is.close();
                  } catch (IOException ex) {
                      // silent !
                  }
              }
          }
          return properties;
      }
      
      
      public static String getProperty(Properties properties, String key) {
          String result = properties.getProperty(key);
          if (result == null || result.trim().length() == 0) {
              throw new IllegalArgumentException(String.format(
                      "Mandatory property [%s] not found in properties file. Could not enable [Teamwork redirection port] action",
                      key));
          }
          return result;
      }
      public static int getPropertyAsInt(Properties properties, String key) {
          String value = properties.getProperty(key);
          if (value == null || value.trim().length() == 0) {
              throw new IllegalArgumentException(String.format(
                      "Mandatory property [%s] not found in properties file. Could not enable [Teamwork redirection port] action",
                      key));
          }
          int result;
          try {
              result = Integer.parseInt(value);
              
         } catch(NumberFormatException e) {
             result = -1;
         }
         if (result < 0) {
             throw new IllegalArgumentException(String.format(
                 "Bad property format [%s]: should be a positive integer. Could not enable [Teamwork redirection port] action",
                 key));
         }
         return result;
     }
 }