com.box.sdk.BoxDateFormat Maven / Gradle / Ivy
package com.box.sdk;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
/**
* Contains methods for parsing and formatting dates for use with the Box API.
*/
public final class BoxDateFormat {
private static final ThreadLocal THREAD_LOCAL_DATE_FORMAT_SECONDS = new ThreadLocal() {
@Override
protected DateFormat initialValue() {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssX");
sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
return sdf;
}
};
private static final ThreadLocal THREAD_LOCAL_DATE_FORMAT_MILLISECONDS = new ThreadLocal() {
@Override
protected DateFormat initialValue() {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSX");
sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
return sdf;
}
};
private BoxDateFormat() { }
/**
* Parses a date string returned by the Box API into a {@link Date} object.
* @param dateString a string containing the date.
* @return the parsed date.
* @throws ParseException if the string cannot be parsed into a valid date.
*/
public static Date parse(String dateString) throws ParseException {
try {
return THREAD_LOCAL_DATE_FORMAT_SECONDS.get().parse(dateString);
} catch (ParseException pe) {
try {
return THREAD_LOCAL_DATE_FORMAT_MILLISECONDS.get().parse(dateString);
} catch (ParseException pe2) {
throw pe2;
}
}
}
/**
* Formats a date as a string that can be sent to the Box API.
* @param date the date to format.
* @return a string containing the formatted date.
*/
public static String format(Date date) {
return THREAD_LOCAL_DATE_FORMAT_SECONDS.get().format(date);
}
}