Utils.java

package com.pinecone.technology.mcommerce.learning.android.chapter04.alarm;

import java.text.SimpleDateFormat;
import java.util.Calendar;

import android.util.Log;

public class Utils {
	public static long getThreadId() {
		Thread t = Thread.currentThread();
		return t.getId();
	}

	public static String getThreadSignature() {
		Thread t = Thread.currentThread();
		long l = t.getId();
		String name = t.getName();
		long p = t.getPriority();
		String gname = t.getThreadGroup().getName();
		return (name + ":(id)" + l + ":(priority)" + p + ":(group)" + gname);
	}

	public static void logThreadSignature() {
		Log.d("ThreadUtils", getThreadSignature());
	}

	public static void sleepForInSecs(int secs) {
		try {
			Thread.sleep(secs * 1000);
		} catch (InterruptedException x) {
			throw new RuntimeException("interrupted", x);
		}
	}

	public static Calendar getTimeAfterInSecs(int secs) {
		Calendar cal = Calendar.getInstance();
		cal.add(Calendar.SECOND, secs);
		return cal;
	}

	public static Calendar getCurrentTime() {
		Calendar cal = Calendar.getInstance();
		return cal;
	}

	public static Calendar getTodayAt(int hours) {
		Calendar today = Calendar.getInstance();
		Calendar cal = Calendar.getInstance();
		cal.clear();

		int year = today.get(Calendar.YEAR);
		int month = today.get(Calendar.MONTH);
		// represents the day of the month
		int day = today.get(Calendar.DATE);
		cal.set(year, month, day, hours, 0, 0);
		return cal;
	}

	public static String getDateTimeString(Calendar cal) {
		SimpleDateFormat df = new SimpleDateFormat("MM/dd/yyyy hh:mm:ss");
		df.setLenient(false);
		String s = df.format(cal.getTime());
		return s;
	}

}