GetTime.java

package com.jqmobile.core.android.time.impl;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.TimerTask;

import android.content.Context;
import android.util.Log;

import com.jqmobile.core.android.time.IGetTime;

class GetTime implements IGetTime {

	/**
	 * @param args
	 */
	public GetTime(Context context) {
		// TODO Auto-generated constructor stub
		f = new Function(context);
		t1 = new Timer1(f);
		t30 = new Timer30(f);
	}

	private Function f;
	private Timer1 t1;
	private Timer30 t30;

	private final List<TimerTask> list = new ArrayList<TimerTask>();

	public void addListner(TimerTask task) {
		list.add(task);
	}

	@Override
	public long getTime() throws Exception {
		int i = 0;
		long time;
		while (f.lockFalg) {
			if (3 == i++)
				throw new Exception("���糬ʱ���޷���ȡ����ʱ��");
			Thread.sleep(1000);
		}
		try {
			f.lockFalg = true;
			if (f.getTime() == 0 || f.getLocalityTime() == 0) {
				time = f.syncTime();
			} else {
				long timeDifference;
				timeDifference = new Date().getTime() - f.getLocalityTime();

				if (timeDifference < 3600000 && timeDifference > -3600000) {
					time = timeDifference + f.getTime();
					Log.d("debug", "�ñ���ʱ��");
				} else {
					time = f.syncTime();
				}
			}
		} catch (Exception e) {
			throw new Exception("���糬ʱ���޷���ȡ����ʱ��");
		} finally {
			f.lockFalg = false;
		}
		return time;
	}

}