content: /*
   * Copyright 1999-2018 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.druid.spring.boot.autoconfigure;
  
  import com.alibaba.druid.pool.DruidDataSource;
  import org.springframework.core.env.Environment;
  
  /**
   * @author lihengming [89921218@qq.com]
   */
  public class DruidDataSourceBuilder {
      public static DruidDataSourceBuilder create() {
          return new DruidDataSourceBuilder();
      }
  
      /**
       * For build multiple DruidDataSource, detail see document.
       * <p>
       * -------
       * The method is history, and now you can use 'new DruidDataSourceWrapper()' instead.
       */
      public DruidDataSource build() {
          return new DruidDataSourceWrapper();
      }
  
      /**
       * For issue #1796, use Spring Environment by specify configuration properties prefix to build DruidDataSource.
       * <p>
       * 这是为了兼容 Spring Boot 1.X 中 .properties 内配置属性不能按照配置声明顺序进行绑定，进而导致配置出错（issue #1796 ）而提供的方法。
       * 如果你不存在上述问题或者使用 .yml 进行配置则不必使用该方法，使用上面的{@link DruidDataSourceBuilder#build}即可，Spring Boot 2.0 修复了该问题，该方法届时也会停用。
       * <p>
       * fixed, the method will be removed in future versions.
       *
       * @see DruidDataSourceWrapper#setMaxEvictableIdleTimeMillis(long)
       */
      @Deprecated
      public DruidDataSource build(Environment env, String prefix) {
          DruidDataSource druidDataSource = new DruidDataSourceWrapper();
          druidDataSource.setMinEvictableIdleTimeMillis(
                  env.getProperty(prefix + "min-evictable-idle-time-millis",
                          Long.class,
                          DruidDataSource.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS));
          druidDataSource.setMaxEvictableIdleTimeMillis(
                  env.getProperty(prefix + "max-evictable-idle-time-millis",
                          Long.class,
                          DruidDataSource.DEFAULT_MAX_EVICTABLE_IDLE_TIME_MILLIS));
          return druidDataSource;
      }
  }
  