content: package act.conf;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * #L%
   */
  
  import static act.conf.ActConfigKey.*;
  
  import org.osgl.util.E;
  
  import java.io.File;
  import java.net.URI;
  import java.util.Map;
  
  public class ActConfig extends Config<ActConfigKey> {
  
      public static final String CONF_FILE_NAME = "act.conf";
  
      /**
       * Construct a <code>AppConfig</code> with a map. The map is copied to
       * the original map of the configuration instance
       *
       * @param configuration
       */
      public ActConfig(Map<String, ?> configuration) {
          super(configuration);
      }
  
      public ActConfig() {
          this((Map) System.getProperties());
      }
  
      @Override
      protected ConfigKey keyOf(String s) {
          return ActConfigKey.valueOfIgnoreCase(s);
      }
  
      private File home = null;
  
      public File home() {
          if (null == home) {
              URI uri = get(HOME, null);
              if (null == uri) {
                  E.invalidConfiguration("valid act.home.dir expected");
              }
              home = new File(uri.getPath());
              validateDir(home, HOME.key());
          }
          return home;
      }
  
      private File appBase = null;
  
      public File appBase() {
          if (null == appBase) {
              String s = get(APP_BASE, null);
              appBase = new File(home(), s);
              validateDir(appBase, APP_BASE.key());
          }
          return appBase;
      }
  
      private Boolean hotReload;
  
      public void enableDisableHotReload(boolean on) {
          hotReload = on;
      }
  
      public boolean hotReloadDisabled() {
          if (null == hotReload) {
              hotReload = get(HOT_RELOAD, true);
          }
          return !hotReload;
      }
  
      private Integer xioMaxWorkerThreads;
      public int xioMaxWorkerThreads() {
          if (null == xioMaxWorkerThreads) {
              xioMaxWorkerThreads = get(XIO_MAX_WORKER_THREADS, 0);
          }
          return xioMaxWorkerThreads;
      }
  
  
      private Boolean xioStatistics;
      public boolean xioStatistics() {
          if (null == xioStatistics) {
              xioStatistics = get(XIO_STATISTICS, false);
          }
          return xioStatistics;
      }
  
      private static void validateDir(File dir, String conf) {
          if (!dir.exists() || !dir.isDirectory() || !dir.canRead()) {
              E.invalidConfiguration("%s is not a valid directory: %s", conf, dir.getAbsolutePath());
          }
      }
  }
  