/**
    * Copyright By Grandsoft Company Limited.  
    * 2013-9-27 下午07:54:41
    */
   package gboat2.web.service;
   
   import gboat2.web.Activator;
   import gboat2.web.exception.ValidateException;
   import gboat2.web.validate.AbstractValidator;
  import gboat2.web.validators.NomalUserValidator;
  import gboat2.web.validators.NotNullValidator;
  import gboat2.web.validators.SuperValidator;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.CopyOnWriteArrayList;
  
  import javax.annotation.PostConstruct;
  
  
  /**
   * 
   * 内部用户继承此类来实现验证逻辑和用户权限的转换
   * @author zhangxj-a
   * @since jdk1.6
   * @date 2013-9-28
   *  
   */
  public abstract class AbstractUserAuthService implements IUserAuthService {
  	
  	private static volatile List<AbstractValidator> validateList = new CopyOnWriteArrayList<AbstractValidator>();
  
  
  	//验证超级用户和普通用户
  	static {
  		validateList.add(new NotNullValidator(Activator.LOCAL_BUNDLE.getBundleContext()));
  		validateList.add(new SuperValidator(Activator.LOCAL_BUNDLE.getBundleContext()));
  		validateList.add(new NomalUserValidator(Activator.LOCAL_BUNDLE.getBundleContext()));
  	}
  	
  	
  	@Override
  	public final boolean validateUser(String userName, String password) throws ValidateException {
  		Map<String,Object> paraMap = new HashMap<String,Object>();
  		paraMap.put("username", userName);
  		paraMap.put("password", password);
  		for (AbstractValidator validate : validateList) {
  			validate.validate(paraMap);
  		}
  		return true;
  	}
  	
  	
  	/**
  	 * 有扩展需求：通过调用此方法增加
  	 * @param validate
  	 */
  	protected void addValidator(AbstractValidator validate){
  		validateList.add(validate);
  	}
  	
  	/**
  	 * 移除自己的验证
  	 * @param validate
  	 */
  	protected void removeValidator(AbstractValidator validate){
  		validateList.remove(validate);
  	}
  	
  	/**
  	 * 功能：初始化方法
  	 * 复写此方法可完成此服务的一些初始化操作：比如扩展的验证器
  	 * eg.  protected void init(){addValidator(new new NotNullValidator(Activator.LOCAL_BUNDLE.getBundleContext()) ) }
  	 * 注意：复写时只复写方法即可不用带注解：PostConstruct；符合多态原理
  	 */
  	@PostConstruct
  	protected void init(){
  	}
  
  }