package org.eweb4j.mvc.validator;
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;
/**
* 对字符串长度的验证
*
* @author cfuture.aw
*
*/
public class StringLengthValidator 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();
int min = 0;
int max = 0;
boolean minFlag = false;
boolean maxFlag = false;
for (ParamConfigBean p : f.getParam()) {
if (Validators.MIN_LENGTH_PARAM.equals(p.getName())) {
min = Integer.parseInt(p.getValue());
minFlag = true;
} else if (Validators.MAX_LENGTH_PARAM.equals(p
.getName())) {
max = Integer.parseInt(p.getValue());
maxFlag = true;
}
if (minFlag && maxFlag)
break;
}
mess = mess.replace("{min}", min + "").replace("{max}", max + "");
for (String v : value) {
if (v.length() < min) {
valError.put(f.getName(), mess);
break;
} else if (v.length() > max) {
valError.put(f.getName(), mess);
break;
}
}
request.setAttribute(f.getName(), value);
}
Validation validation = new Validation();
if (!valError.isEmpty())
validation.getErrors().put(val.getName(), valError);
return validation;
}
}