/**
    * Copyright 2005-2016 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.config;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Properties;
  
  import javax.servlet.ServletContext;
  
  import org.kuali.common.jdbc.project.spring.JdbcPropertyLocationsConfig;
  import org.kuali.common.util.log.LoggerUtils;
  import org.kuali.common.util.properties.Location;
  import org.kuali.common.util.properties.PropertiesService;
  import org.kuali.common.util.properties.spring.DefaultPropertiesServiceConfig;
  import org.kuali.common.util.spring.service.PropertySourceConfig;
  import org.kuali.rice.core.api.config.property.Config;
  import org.kuali.rice.core.api.config.property.ConfigContext;
  import org.kuali.rice.core.api.config.property.ConfigPropertySource;
  import org.kuali.rice.sql.spring.SourceSqlPropertyLocationsConfig;
  import org.kuali.rice.xml.ingest.RiceConfigUtils;
  import org.kuali.rice.xml.spring.IngestXmlPropertyLocationsConfig;
  import org.slf4j.Logger;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.context.annotation.Import;
  import org.springframework.core.env.PropertySource;
  
  /**
   * Holds the property source for all of the different properties needed for starting up the KRAD
   * Sample App.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  @Configuration
  @Import({SampleAppProjectConfig.class, JdbcPropertyLocationsConfig.class, DefaultPropertiesServiceConfig.class,
          SourceSqlPropertyLocationsConfig.class, IngestXmlPropertyLocationsConfig.class})
  public class SampleAppPSC implements PropertySourceConfig {
  
      private static final String KR_SAMPLE_APP_CONFIG = "classpath:META-INF/sample-app-config.xml";
  
      private static final Logger logger = LoggerUtils.make();
  
      @Autowired
      JdbcPropertyLocationsConfig jdbcConfig;
  
      @Autowired
      SourceSqlPropertyLocationsConfig sourceSqlConfig;
  
      @Autowired
      IngestXmlPropertyLocationsConfig ingestXmlConfig;
  
      @Autowired
      PropertiesService service;
  
      @Autowired
      ServletContext servletContext;
  
      @Override
      @Bean
      public PropertySource<?> propertySource() {
          // Combine locations making sure Rice properties go in last
          List<Location> locations = new ArrayList<Location>();
          locations.addAll(jdbcConfig.jdbcPropertyLocations());
          locations.addAll(sourceSqlConfig.riceSourceSqlPropertyLocations());
          locations.addAll(ingestXmlConfig.riceIngestXmlPropertyLocations());
  
          // Default behavior is load->decrypt->resolve
          // -Dproperties.resolve=false turns off placeholder resolution
          Properties properties = service.getProperties(locations);
          logger.info("Loaded {} regular properties", properties.size());
  
          // Combine normal properties with Rice properties using Rice's custom placeholder resolution logic to resolve everything
          Config rootCfg = RiceConfigUtils.getRootConfig(properties, KR_SAMPLE_APP_CONFIG, servletContext);
  
          // Make sure ConfigContext.getCurrentContextConfig() return's the rootCfg object
          ConfigContext.init(rootCfg);
  
          // Make Spring and Rice use the exact same source for obtaining property values
          return new ConfigPropertySource("riceConfig", rootCfg);
      }
  
  }