package com.ynxbd.wx.config;

import org.apache.commons.beanutils.converters.AbstractConverter;
import org.apache.commons.lang3.StringUtils;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

public class MyStringConverter  extends AbstractConverter {

    private String timePattern = "yyyy-MM-dd HH:mm:ss";
    private DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(timePattern);

    public MyStringConverter() {
        super();
    }

    public MyStringConverter(String timePattern) {
        super();
        if (StringUtils.isNotBlank(timePattern) && !this.timePattern.equals(timePattern)) {
            this.timePattern = timePattern;
            dateTimeFormatter = DateTimeFormatter.ofPattern(timePattern);
        }
    }

    public MyStringConverter(Object defaultValue) {
        super(defaultValue);
    }

    @Override
    protected Class<?> getDefaultType() {
        return String.class;
    }

    @Override
    protected <T> T convertToType(Class<T> type, Object value) throws Throwable {
        // We have to support Object, too, because this class is sometimes
        // used for a standard to Object conversion
        if (String.class.equals(type) || Object.class.equals(type)) {
            return type.cast(value.toString());
        }
        throw conversionException(type, value);
    }

    /**
     * 自己加上
     */
    @Override
    protected String convertToString(Object value) throws Throwable {
        if (value.getClass().equals(LocalDateTime.class)) {
            return ((LocalDateTime) value).format(dateTimeFormatter);
        }
        return super.convertToString(value);
    }
}