content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.compileflow.engine.spring.boot.autoconfigure;
  
  import com.alibaba.compileflow.engine.config.PropertyResolver;
  import org.springframework.core.env.Environment;
  
  /**
   * Spring Environment backed {@link PropertyResolver} implementation.
   *
   * @author yusu
   */
  final class SpringEnvironmentPropertyResolver implements PropertyResolver {
  
      private final Environment environment;
  
      SpringEnvironmentPropertyResolver(Environment environment) {
          this.environment = environment;
      }
  
      @Override
      public String getString(String key, String defaultValue) {
          String v = environment.getProperty(key);
          return v != null ? v : defaultValue;
      }
  
      @Override
      public int getInt(String key, int defaultValue) {
          Integer v = environment.getProperty(key, Integer.class);
          return v != null ? v : defaultValue;
      }
  
      @Override
      public long getLong(String key, long defaultValue) {
          Long v = environment.getProperty(key, Long.class);
          return v != null ? v : defaultValue;
      }
  
      @Override
      public boolean getBoolean(String key, boolean defaultValue) {
          Boolean v = environment.getProperty(key, Boolean.class);
          return v != null ? v : defaultValue;
      }
  }
  
  
  