content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * 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.
   */
  
  package com.alibaba.nacos.common.logging;
  
  import com.alibaba.nacos.common.utils.ConvertUtils;
  import com.alibaba.nacos.common.utils.StringUtils;
  
  import java.util.Properties;
  
  /**
   * Nacos Logging Properties, save some nacos logging properties.
   *
   * @author xiweng.yy
   */
  public class NacosLoggingProperties {
      
      private static final String NACOS_LOGGING_CONFIG_PROPERTY = "nacos.logging.config";
      
      private static final String NACOS_LOGGING_DEFAULT_CONFIG_ENABLED_PROPERTY = "nacos.logging.default.config.enabled";
      
      private static final String NACOS_LOGGING_RELOAD_INTERVAL_PROPERTY = "nacos.logging.reload.interval.seconds";
      
      private static final long DEFAULT_NACOS_LOGGING_RELOAD_INTERVAL = 10L;
      
      private final String defaultLocation;
      
      private final Properties properties;
      
      public NacosLoggingProperties(String defaultLocation, Properties properties) {
          this.defaultLocation = defaultLocation;
          this.properties = null == properties ? new Properties() : properties;
      }
      
      /**
       * Get the location of nacos logging configuration.
       *
       * @return location of nacos logging configuration
       */
      public String getLocation() {
          String location = properties.getProperty(NACOS_LOGGING_CONFIG_PROPERTY);
          if (StringUtils.isBlank(location)) {
              if (isDefaultLocationEnabled()) {
                  return defaultLocation;
              }
              return null;
          }
          return location;
      }
      
      /**
       * Is default location enabled.
       *
       * <p> It is judged when user don't set the location of nacos logging configuration. </p>
       *
       * @return {@code true} if default location enabled, otherwise {@code false}, default is {@code true}
       */
      private boolean isDefaultLocationEnabled() {
          String property = properties.getProperty(NACOS_LOGGING_DEFAULT_CONFIG_ENABLED_PROPERTY);
          return property == null || ConvertUtils.toBoolean(property);
      }
      
      /**
       * Get reload internal.
       *
       * @return reload internal
       */
      public long getReloadInternal() {
          String interval = properties.getProperty(NACOS_LOGGING_RELOAD_INTERVAL_PROPERTY);
          return ConvertUtils.toLong(interval, DEFAULT_NACOS_LOGGING_RELOAD_INTERVAL);
      }
      
      /**
       * get property value.
       *
       * @param source       source
       * @param defaultValue defaultValue
       * @return value
       */
      public String getValue(String source, String defaultValue) {
          return properties.getProperty(source, defaultValue);
      }
  }
  