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.causeway.persistence.jdo.datanucleus.test;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import jakarta.inject.Named;
  
  import org.springframework.boot.context.properties.ConfigurationProperties;
  import org.springframework.context.annotation.Configuration;
  
  import lombok.Getter;
  import lombok.Setter;
  
  @Configuration
  @ConfigurationProperties(prefix = "")
  @Named("jdo-settings")
  public class JdoSettingsBean {
  
      @Getter @Setter 
      private Map<String, String> datanucleus; //mapped by "datanucleus"
      @Getter @Setter 
      private Map<String, String> javax; //mapped by "javax" filtered later for "javax.jdo"
      
      private final Object lock = new Object();
      private Map<String, Object> properties;
  
      public Map<String, Object> getAsProperties() {
          synchronized(lock) {
              if(properties==null) {
                  properties = new HashMap<>();
                  
                  datanucleus.forEach((k, v)->properties.put("datanucleus." + k, v));
                  
                  javax.entrySet().stream()
                  .filter(e->e.getKey().startsWith("jdo."))
                  .forEach(e->properties.put("javax." + e.getKey(), e.getValue()));
                  
                  amendProperties(properties);
              }
          }
          return properties;
      }
      
      private void amendProperties(final Map<String, Object> properties) {
          // add optional defaults if needed
      }
  
  }