code: public String displayConfiguration() {
  		StringBuffer result = new StringBuffer();
  
  		for (ConfigurationManager confManager : ConfigurationService
  				.getConfigurationService().getConfigurationManager().values()) {
  			Object configuration = confManager.getConfiguration();
  			StringWriter writer = new StringWriter();
  			JAXB.marshal(configuration, writer);
  			result.append(writer.getBuffer());
  			result.append("\n");
  		}
  		;
  
  		return result.toString();
  	}
docs: This method is used to display the configurations data loaded from all
  configuration files.
  
  @return String