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 org.apache.camel.component.microprofile.config;
  
  import java.util.Properties;
  import java.util.function.Predicate;
  
  import org.apache.camel.spi.LoadablePropertiesSource;
  import org.apache.camel.spi.annotations.JdkService;
  import org.apache.camel.util.OrderedProperties;
  import org.eclipse.microprofile.config.ConfigProvider;
  
  /**
   * The microprofile-config component is used for bridging the Eclipse MicroProfile Config with the Properties Component.
   * This allows using configuration management from MicroProfile with Camel.
   */
  @JdkService("properties-source-factory")
  public class CamelMicroProfilePropertiesSource implements LoadablePropertiesSource {
  
      @Override
      public String getName() {
          return "CamelMicroProfilePropertiesSource";
      }
  
      @Override
      public String getProperty(String name) {
          return ConfigProvider.getConfig().getOptionalValue(name, String.class).orElse(null);
      }
  
      @Override
      public Properties loadProperties() {
          return loadProperties(s -> true);
      }
  
      @Override
      public Properties loadProperties(Predicate<String> filter) {
          Properties answer = new OrderedProperties();
  
          for (String name : ConfigProvider.getConfig().getPropertyNames()) {
              if (filter.test(name)) {
                  var value = getProperty(name);
                  if (value != null) {
                      answer.put(name, getProperty(name));
                  }
              }
          }
  
          return answer;
      }
  
      @Override
      public void reloadProperties(String location) {
          // noop
      }
  
      @Override
      public String toString() {
          return "camel-microprofile-config";
      }
  
  }
  