Struts2自定义拦截器

import com.opensymphony.xwork2.validator.ValidationException;
import com.opensymphony.xwork2.validator.validators.FieldValidatorSupport;
//验证密码的强度
public class StrongPasswordValidator extends FieldValidatorSupport {
//object:实际上就是动作类
public void validate(Object object) throws ValidationException {
String fieldName = getFieldName();//得到要验证的字段名
String fieldValue = (String) getFieldValue(fieldName, object);
if(StringUtils.isNotEmpty(fieldValue)){
//有值时再做强度验证
if(!isPasswordStrong(fieldValue)){
addFieldError(fieldName, object);
}
}
}
private static final String GROUP1 = "abcdefghijklmnopqrstuvwxyz";
private static final String GROUP2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
private static final String GROUP3 = "0123456789";
protected boolean isPasswordStrong(String password) {
boolean ok1 = false;//有一个小写字母就为true
boolean ok2 = false;//有一个大写字母就为true
boolean ok3 = false;//有一个数字就为true
int length = password.length();
for(int i=0;i<length;i++){
if(ok1&&ok2&&ok3)
break;
String character = password.substring(i,i+1);
if(GROUP1.contains(character)){
ok1 = true;
continue;
}
if(GROUP2.contains(character)){
ok2 = true;
continue;
}
if(GROUP3.contains(character)){
ok3 = true;
continue;
}
}
return ok1&&ok2&&ok3;
}
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
"-//Apache Struts//XWork Validator Definition 1.0//EN"
"http://struts.apache.org/dtds/xwork-validator-definition-1.0.dtd">
<validators>
<validator name="strong" class="com.itheima.validatiors.StrongPasswordValidator"/>
</validators>