package org.kuali.ole;
   
   import org.kuali.rice.core.api.config.ConfigurationException;
   import org.kuali.rice.core.api.config.property.Config;
   import org.kuali.rice.core.api.config.property.ConfigContext;
   import org.kuali.rice.core.impl.config.property.JAXBConfigImpl;
   import org.springframework.beans.factory.FactoryBean;
   
   import java.util.List;
  
  /**
   * Created with IntelliJ IDEA.
   * User: pvsubrah
   * Date: 6/11/13
   * Time: 11:37 AM
   * To change this template use File | Settings | File Templates.
   */
  public class OleConfigFactoryBean implements FactoryBean<Config> {
      private List<String> configLocations;
      private boolean initialize = false;
      private boolean systemPropertiesAlwaysWin = true;
      public static String CONFIG_OVERRIDE_LOCATION;
  
  
      @Override
      public org.kuali.rice.core.api.config.property.Config getObject() throws Exception {
  
          org.kuali.rice.core.api.config.property.Config oldConfig = null;
  
          if (getConfigLocations() == null) {
              throw new ConfigurationException("No config locations declared, at least one is required");
          }
  
          if (ConfigContext.getCurrentContextConfig() != null) {
              oldConfig = ConfigContext.getCurrentContextConfig();
          }
          //SimpleConfig config = null;
          JAXBConfigImpl config = null;
          if (CONFIG_OVERRIDE_LOCATION != null) {
              config = new JAXBConfigImpl(CONFIG_OVERRIDE_LOCATION, oldConfig);
          } else {
              config = new JAXBConfigImpl(getConfigLocations(), oldConfig);
          }
  
          config.setSystemOverride(systemPropertiesAlwaysWin);
          config.parseConfig();
  
          if (initialize) {
              ConfigContext.init(config);
          }
  
          return config;
      }
  
      @Override
      public Class<Config> getObjectType() {
          return org.kuali.rice.core.api.config.property.Config.class;
      }
  
      @Override
      public boolean isSingleton() {
          return true;
      }
  
      public List<String> getConfigLocations() {
          return this.configLocations;
      }
  
      public void setConfigLocations(List<String> configLocations) {
          this.configLocations = configLocations;
      }
  
      public void setInitialize(boolean initialize) {
          this.initialize = initialize;
      }
  
      public boolean isSystemPropertiesAlwaysWin() {
          return systemPropertiesAlwaysWin;
      }
  
      public void setSystemPropertiesAlwaysWin(boolean systemPropertiesAlwaysWin) {
          this.systemPropertiesAlwaysWin = systemPropertiesAlwaysWin;
      }
  }