cn.cuizuoli.appranking.util.DateRangeUtil.java Source code

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Here is the source code for cn.cuizuoli.appranking.util.DateRangeUtil.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.cuizuoli.appranking.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import org.apache.commons.lang.StringUtils;
import org.joda.time.DateTime;

/**
 * DateRangeUtil
 * @author cuizuoli
 */
public class DateRangeUtil {

    private final static int MAX_RANGE = 30;

    /**
     * getHourListOfDay
     * @param date
     * @return
     */
    public static List<String> getHourListOfDay(String date) {
        List<String> dateHourList = new ArrayList<String>();
        DateTime datetime = DateUtil.fromDay(date).withHourOfDay(0);
        while (StringUtils.equals(DateUtil.toDay(datetime), date)) {
            dateHourList.add(DateUtil.toHour(datetime));
            datetime = datetime.plusHours(1);
        }
        return dateHourList;
    }

    /**
     * getDayListOfMonth
     * @param month
     * @return
     */
    public static List<String> getDayListOfMonth(String month) {
        List<String> dateList = new ArrayList<String>();
        DateTime datetime = DateUtil.fromMonth(month).withDayOfMonth(1);
        while (StringUtils.equals(DateUtil.toMonth(datetime), month)) {
            dateList.add(DateUtil.toDay(datetime));
            datetime = datetime.plusDays(1);
        }
        return dateList;
    }

    /**
     * getHourList
     * @param dateHour
     * @return
     */
    public static List<String> getHourList(String dateHour) {
        List<String> dateHourList = new ArrayList<String>();
        DateTime datetime = DateUtil.fromHour(dateHour);
        for (int i = 0; i < MAX_RANGE; i++) {
            dateHourList.add(DateUtil.toHour(datetime));
            datetime = datetime.plusHours(1);
        }
        return dateHourList;
    }

    /**
     * getDayList
     * @param day
     * @return
     */
    public static List<String> getDayList(String day) {
        List<String> dateList = new ArrayList<String>();
        DateTime datetime = DateUtil.fromDay(day);
        for (int i = 0; i < MAX_RANGE; i++) {
            dateList.add(DateUtil.toDay(datetime));
            datetime = datetime.plusDays(1);
        }
        return dateList;
    }

    /**
     * getWeekList
     * @param day
     * @return
     */
    public static List<String> getWeekList(String day) {
        List<String> weekList = new ArrayList<String>();
        DateTime datetime = DateUtil.fromDay(day);
        for (int i = 0; i < MAX_RANGE; i++) {
            weekList.add(DateUtil.toDay(datetime));
            datetime = datetime.plusWeeks(1);
        }
        return weekList;
    }

    /**
     * getDateMap
     * @param dateList
     * @return
     */
    public static Map<String, Integer> getDateMap(List<String> dateList) {
        Map<String, Integer> dateMap = new TreeMap<String, Integer>();
        int i = 1;
        for (String date : dateList) {
            dateMap.put(date, i);
            i++;
        }
        return dateMap;
    }

}