com.ge.apm.service.converter.DateConverter.java Source code

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Here is the source code for com.ge.apm.service.converter.DateConverter.java

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package com.ge.apm.service.converter;

import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.beanutils.ConversionException;
import org.apache.commons.beanutils.Converter;
import org.springframework.util.StringUtils;

public class DateConverter implements Converter {
    @Override
    public Object convert(Class type, Object value) {
        if (value == null) {
            return null;
        } else if (type == Timestamp.class) {
            return convertToDate(type, value, "yyyy-MM-dd HH:mm:ss");
        } else if (type == Date.class) {
            if (value.toString().contains(":") && !value.toString().contains("-")) {
                return convertToDate(type, value, "HH:mm:ss");
            } else {
                return convertToDate(type, value, "yyyy-MM-dd");
            }
        } else if (type == String.class) {
            return convertToString(type, value);
        }

        throw new ConversionException("?? " + value.getClass().getName() + "  " + type.getName());
    }

    protected Object convertToDate(Class type, Object value, String pattern) {
        SimpleDateFormat sdf = new SimpleDateFormat(pattern);
        if (value instanceof String) {
            try {
                if (StringUtils.isEmpty(value.toString())) {
                    return null;
                }
                Date date = sdf.parse((String) value);
                if (type.equals(Timestamp.class)) {
                    return new Timestamp(date.getTime());
                }
                return date;
            } catch (Exception pe) {
                return null;
            }
        } else if (value instanceof Date) {
            return value;
        }

        throw new ConversionException("?? " + value.getClass().getName() + "  " + type.getName());
    }

    protected Object convertToString(Class type, Object value) {
        if (value instanceof Date) {
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

            if (value instanceof Timestamp) {
                sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            }

            try {
                return sdf.format(value);
            } catch (Exception e) {
                throw new ConversionException("??");
            }
        } else {
            return value.toString();
        }
    }
}