package org.eweb4j.mvc.validator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.http.HttpServletRequest;
import org.eweb4j.config.Log;
import org.eweb4j.config.LogFactory;
import org.eweb4j.mvc.action.Validation;
import org.eweb4j.mvc.config.bean.ValidatorConfigBean;
import org.eweb4j.util.StringUtil;
public class ValidateExecution {
private static Log log = LogFactory.getMVCLogger(ValidateExecution.class);
public static Validation checkValidate(List<ValidatorConfigBean> valList, Map<String, String[]> paramMap, HttpServletRequest req) {
Validation validation = new Validation();
if (valList == null || valList.isEmpty())
return validation;
// 启动验证器
for (int i = valList.size() - 1; i > -1; i--) {
ValidatorConfigBean val = valList.get(i);
ValidatorIF validator = null;
if (!"".equals(val.getName())) {
// 根据name属性实例化相关的验证器，如果找不到，就根据class属性实例化
validator = ValidatorFactory.getValidator(val.getName());
if (validator == null)
try {
validator = (ValidatorIF) Class.forName(val.getClazz()).newInstance();
} catch (Exception e) {
log.error(StringUtil.getExceptionString(e));
}
}
if (validator == null)
continue;
Map<String, Map<String, String>> err = validator.validate(val, paramMap, req).getErrors();
for (Entry<String, Map<String,String>> en : err.entrySet()){
String key = en.getKey();
Map<String,String> value = en.getValue();
if (validation.getErrors().containsKey(key))
validation.getErrors().get(key).putAll(value);
else
validation.getErrors().put(key, value);
}
}
return validation;
}
}