org.exoplatform.poll.service
Class Utils

java.lang.Object
  org.exoplatform.poll.service.Utils

public class Utils
extends Object

Created by The eXo Platform SAS Author : Vu Duy Tu tu.duy@exoplatform.com Apr 28, 2011

Field Summary

static String

COLON

Constructor Summary

Utils()

Method Summary

static Poll	calculateVote(Poll poll, String userId, String voteOptions) Calculate data of poll when user Voted.
static Calendar	getGreenwichMeanTime()
static boolean	isEmpty(String s)
static boolean	isListEmpty(List<String> list)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

COLON

public static final String COLON

Constructor Detail

Utils

public Utils()

Method Detail

getGreenwichMeanTime

public static Calendar getGreenwichMeanTime()

isEmpty

public static boolean isEmpty(String s)

isListEmpty

public static boolean isListEmpty(List<String> list)

calculateVote

public static Poll calculateVote(Poll poll,
                                 String userId,
                                 String voteOptions)
                          throws Exception

Calculate data of poll when user Voted. Apply for all case (Single vote and multi vote)

Parameters:

poll - the poll after user vote.

userId - the user name voted.

voteOptions - the value user voted. - If is single vote, the value is one number. - If is multi vote, the value has format a:b:c, with a,b,c is number user selected.

Throws:

Exception - the exception