package org.eweb4j.mvc.validator;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.eweb4j.mvc.action.Validation;
import org.eweb4j.mvc.config.bean.FieldConfigBean;
import org.eweb4j.mvc.config.bean.ParamConfigBean;
import org.eweb4j.mvc.config.bean.ValidatorConfigBean;
/**
* 对日期的验证
*
* @author cfuture.aw
*
*/
public class DateValidator implements ValidatorIF {
public Validation validate(ValidatorConfigBean val,
Map<String, String[]> map, HttpServletRequest request) {
Map<String, String> valError = new HashMap<String, String>();
for (FieldConfigBean f : val.getField()) {
String[] value = map.get(f.getName());
if (value == null || value.length == 0)
continue;
String mess = f.getMessage();
param: for (ParamConfigBean p : f.getParam()) {
if (!Validators.DATE_FORMAT_PARAM.equalsIgnoreCase(p.getName()))
continue;
String paramValue = p.getValue();
mess = mess.replace("{format}", paramValue);
DateFormat df = new SimpleDateFormat(paramValue);
for (String v : value) {
try {
df.parse(v);
} catch (Exception e) {
valError.put(f.getName(), mess);
break param;
}
}
}
request.setAttribute(f.getName(), value);
}
Validation validation = new Validation();
if (!valError.isEmpty())
validation.getErrors().put(val.getName(), valError);
return validation;
}
}