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.bean;
  
  import java.util.Set;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.spi.Registry;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public final class ParameterMappingStrategyHelper {
  
      private static final Logger LOG = LoggerFactory.getLogger(ParameterMappingStrategyHelper.class);
  
      private ParameterMappingStrategyHelper() {
      }
  
      public static ParameterMappingStrategy createParameterMappingStrategy(CamelContext camelContext) {
          ParameterMappingStrategy answer;
  
          // lookup in registry first if there is a user define strategy
          Registry registry = camelContext.getRegistry();
          Set<ParameterMappingStrategy> set = registry.findByType(ParameterMappingStrategy.class);
          if (set.size() == 1) {
              answer = set.iterator().next();
          } else if (set.size() > 1) {
              LOG.warn(
                      "Found {} beans of type {} in registry. Only one custom instance is supported. Will use DefaultParameterMappingStrategy.",
                      set.size(), ParameterMappingStrategy.class.getName());
              answer = DefaultParameterMappingStrategy.INSTANCE;
          } else {
              // no then use the default one
              answer = DefaultParameterMappingStrategy.INSTANCE;
          }
  
          return answer;
      }
  
  }
  