content: /*
   * Copyright (c) 2002, 2020, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * 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, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.cj;
  
  import java.text.MessageFormat;
  import java.util.Locale;
  import java.util.MissingResourceException;
  import java.util.ResourceBundle;
  
  /**
   * Support for localized messages.
   */
  public class Messages {
      private static final String BUNDLE_NAME = "com.mysql.cj.LocalizedErrorMessages";
  
      private static final ResourceBundle RESOURCE_BUNDLE;
      private static final Object[] emptyObjectArray = {};
  
      static {
          ResourceBundle temp = null;
  
          //
          // Overly-pedantic here, some appserver and JVM combos don't deal well with the no-args version, others don't deal well with the three-arg version, so
          // we need to try both :(
          //
  
          try {
              temp = ResourceBundle.getBundle(BUNDLE_NAME, Locale.getDefault(), Messages.class.getClassLoader());
          } catch (Throwable t) {
              try {
                  temp = ResourceBundle.getBundle(BUNDLE_NAME);
              } catch (Throwable t2) {
                  RuntimeException rt = new RuntimeException("Can't load resource bundle due to underlying exception " + t.toString());
                  rt.initCause(t2);
  
                  throw rt;
              }
          } finally {
              RESOURCE_BUNDLE = temp;
          }
      }
  
      /**
       * Returns the localized message for the given message key
       * 
       * @param key
       *            the message key
       * @return The localized message for the key
       */
      public static String getString(String key) {
          return getString(key, emptyObjectArray);
      }
  
      public static String getString(String key, Object[] args) {
          if (RESOURCE_BUNDLE == null) {
              throw new RuntimeException("Localized messages from resource bundle '" + BUNDLE_NAME + "' not loaded during initialization of driver.");
          }
  
          try {
              if (key == null) {
                  throw new IllegalArgumentException("Message key can not be null");
              }
  
              String message = RESOURCE_BUNDLE.getString(key);
  
              if (message == null) {
                  message = "Missing error message for key '" + key + "'";
              }
  
              return MessageFormat.format(message, args);
          } catch (MissingResourceException e) {
              return '!' + key + '!';
          }
      }
  
      /**
       * Dis-allow construction ...
       */
      private Messages() {
      }
  }
  