Android Open Source - dn-rss Utils

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License

The source code is released under:

MIT License

Java Source Code

package kaka.android.dn;
/* ww  w .  j  av  a2  s . c  o  m*/
import android.util.Base64;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Utils
{
    private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");

    public static String timeAgo(Date date) {
  long seconds = (System.currentTimeMillis() - date.getTime()) / 1000;
  if (seconds > 60*60*24)
      return (seconds / (60*60*24)) + " d";
  if (seconds > 60*60)
      return (seconds / (60*60)) + " h";
  if (seconds > 60)
      return (seconds / 60) + " m";
  return seconds + " s";
    }

    public static boolean isToday(Date date) {
  return dateFormat.format(date).equals(dateFormat.format(new Date()));
    }

    public static boolean isYesterday(Date date) {
  Date yesterday = new Date();
  yesterday.setTime(yesterday.getTime() - 1000*60*60*24);
  return dateFormat.format(date).equals(dateFormat.format(yesterday));
    }

    public static Object deserializeFromString(String str) throws IOException, ClassNotFoundException {
  byte[] data = Base64.decode(str, 0);
  ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(data));
  Object o = ois.readObject();
  ois.close();
  return o;
    }

    public static String serializeToString(Object obj) throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  ObjectOutputStream oos = new ObjectOutputStream(baos);
  oos.writeObject(obj);
  oos.close();
  return Base64.encodeToString(baos.toByteArray(), 0);
    }
}

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