dateconverter.java

应用泛型以及反射编写的单表操作框架

package org.langsin.core.web.support;

import java.text.SimpleDateFormat;

import org.apache.commons.beanutils.Converter;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
 * 日期格式的转换类，这本项目中用不到。但在开发中比较常用
 * 
 * @author 不落的太阳
 * 
 */
public class DateConverter implements Converter {
	private static final Log log = LogFactory.getLog(DateConverter.class);

	private SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");

	public DateConverter(String formatPattern) {
		if (StringUtils.isNotBlank(formatPattern)) {
			format = new SimpleDateFormat(formatPattern);
		}
	}

	public Object convert(Class arg0, Object value) {
		try {
			String dateStr = (String) value;

			if (StringUtils.isNotBlank(dateStr)) {
				return format.parse(dateStr);
			}
		} catch (Exception e) {
			log.error(e.getMessage(), e);
		}
		return null;
	}

}