lodsve.validate.handler.EnglishHandler Maven / Gradle / Ivy

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/*
 * Copyright (C) 2018  Sun.Hao
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package lodsve.validate.handler;

import lodsve.core.utils.ValidateUtils;
import lodsve.validate.annotations.English;
import lodsve.validate.core.AbstractValidateHandler;
import lodsve.validate.exception.ErrorMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.lang.annotation.Annotation;

import static lodsve.core.utils.ValidateUtils.isChinese;

/**
 * 英文验证的处理类.
 *
 * @author sunhao([email protected])
 * @date 12-11-26 下午8:24
 */
public class EnglishHandler extends AbstractValidateHandler {
    private static final Logger logger = LoggerFactory.getLogger(EnglishHandler.class);

    public EnglishHandler() throws IOException {
        super();
    }

    @Override
    protected ErrorMessage handle(Annotation annotation, Object value) {
        English c = (English) annotation;
        int min = c.min();
        int max = c.max();

        boolean result;
        if (min >= max) {
            logger.debug("no length limit!");
            result = ValidateUtils.isEnglish((String) value);
            return getMessage(English.class, this.getClass(), "english-invalid", result);
        } else {
            int length = ((String) value).length();
            logger.debug("get validate min is '{}', max is '{}', value length is '{}'", min, max, length);
            result = min <= length && max >= length && isChinese((String) value);
            return getMessage(English.class, this.getClass(), "english-length", result, min, max);
        }
    }
}