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Basic module for enterprise web applications

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package org.swiftboot.web.validate.constraintvalidator;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.swiftboot.web.validate.constraint.PhoneNo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

/**
 * 验证手机号码是否为“1”开头的11位数字
 *
 * @author swiftech
 */
public class PhoneNoValidator implements ConstraintValidator {

    private static final Logger log = LoggerFactory.getLogger(PhoneNoValidator.class);

    private String prefix;

    @Override
    public void initialize(PhoneNo phoneNo) {
        this.prefix = phoneNo.prefix();
        if (!StringUtils.isNumeric(this.prefix)) {
            throw new RuntimeException();
        }
    }

    @Override
    public boolean isValid(String s, ConstraintValidatorContext constraintValidatorContext) {
        if (StringUtils.isBlank(s)) {
            return true;
        }
        return s.trim().length() == 11
                && NumberUtils.isDigits(s.trim())
                && StringUtils.startsWith(s.trim(), this.prefix);
    }
}