import net.sf.json.JSONObject;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;
public class DateJsonValueProcessor implements JsonValueProcessor {
public static final String DEFAULT_DATE_PATTERN = "yyyy-MM-dd HH:mm:ss";
private DateFormat dateFormat;
/**
* .
*
* @param datePattern
*/
public DateJsonValueProcessor(String datePattern) {
try {
dateFormat = new SimpleDateFormat(datePattern);
} catch (Exception ex) {
dateFormat = new SimpleDateFormat(DEFAULT_DATE_PATTERN);
}
}
public Object processArrayValue(Object value, JsonConfig jsonConfig) {
return process(value);
}
public Object processObjectValue(String key, Object value,
JsonConfig jsonConfig) {
return process(value);
}
private Object process(Object value) {
if (value == null) {
value = new Date(); // null , "",
}
return dateFormat.format((Date) value);
}
public static String map2JSonStr(Map map) {
JsonConfig jsonConfig = new JsonConfig();
DateJsonValueProcessor beanProcessor = new DateJsonValueProcessor(
DEFAULT_DATE_PATTERN);
jsonConfig.registerJsonValueProcessor(Date.class, beanProcessor);
JSONObject jsonObject = JSONObject.fromObject(map, jsonConfig);
return jsonObject.toString();
}
// json string,
@SuppressWarnings("unchecked")
public static JSONObject obj2JsonObj(Object obj) {
JsonConfig jsonConfig = new JsonConfig();
DateJsonValueProcessor beanProcessor = new DateJsonValueProcessor(
DEFAULT_DATE_PATTERN);
jsonConfig.registerJsonValueProcessor(Date.class, beanProcessor);
JSONObject jsonObject = JSONObject.fromObject(obj, jsonConfig);
return jsonObject;
}
}