/**
    * Copyright By Grandsoft Company Limited.  
    * 2013-9-26 下午01:58:46
    */
   package gboat2.web.validators;
   
   import gboat2.web.Constants;
   import gboat2.web.exception.ValidateException;
   import gboat2.web.validate.AbstractValidator;
  
  import java.util.Map;
  
  import org.apache.commons.lang3.StringUtils;
  import org.osgi.framework.BundleContext;
  import org.springframework.util.Assert;
  
  /**
   * 
   * 非空验证
   * @author zhangxj-a
   * @since jdk1.6
   * @date 2013-9-26
   *  
   */
  public class NotNullValidator extends AbstractValidator {
  
  	public NotNullValidator(BundleContext bundleContext) {
  		super(bundleContext);
  		// TODO Auto-generated constructor stub
  	}
  
  	@Override
  	public void validate(Map<String,?> paraMap) throws ValidateException {
  		Assert.notEmpty(paraMap);
  		// 验证用户名非空
  		String username = (String)paraMap.get("username");
  		String password = (String)paraMap.get("password");
  		if (StringUtils.isEmpty(username)) {//没有填写用户名
  			throw new ValidateException(Constants.ERROR_MESSAGE_USERNAME_NULL);
  		}	
  		
  		// 验证密码非空
  		if (StringUtils.isEmpty(password)) {//没有填写密码
  			throw new ValidateException(Constants.ERROR_MESSAGE_PASSWORD_NULL);
  		} 
  	}
  
  }