com.xiaoleilu.hutool.date.BetweenFormater Maven / Gradle / Ivy
package com.xiaoleilu.hutool.date;
/**
* 时长格式化器
* @author Looly
*
*/
public class BetweenFormater {
/** 时长毫秒数 */
private long betweenMs;
/** 格式化级别 */
private Level level;
/** 格式化级别的最大个数 */
private int levelMaxCount;
/**
* 构造
* @param betweenMs 日期间隔
* @param level 级别，按照天、小时、分、秒、毫秒分为5个等级，根据传入等级，格式化到相应级别
*/
public BetweenFormater(long betweenMs, Level level) {
this(betweenMs, level, 0);
}
/**
* 构造
* @param betweenMs 日期间隔
* @param level 级别，按照天、小时、分、秒、毫秒分为5个等级，根据传入等级，格式化到相应级别
* @param levelMaxCount 格式化级别的最大个数，假如级别个数为1，但是级别到秒，那只显示一个级别
*/
public BetweenFormater(long betweenMs, Level level, int levelMaxCount) {
this.betweenMs = betweenMs;
this.level = level;
this.levelMaxCount = levelMaxCount;
}
/**
* 格式化日期间隔输出
*
* @return 格式化后的字符串
*/
public String format(){
if(betweenMs == 0){
return "0";
}
long day = betweenMs / DateUnit.DAY.getMillis();
long hour = betweenMs / DateUnit.HOUR.getMillis() - day * 24;
long minute = betweenMs / DateUnit.MINUTE.getMillis() - day * 24 * 60 - hour * 60;
long second = betweenMs / DateUnit.SECOND.getMillis() - ((day * 24 + hour) * 60 + minute) * 60;
long millisecond = betweenMs - (((day * 24 + hour) * 60 + minute) * 60 + second) * 1000;
StringBuilder sb = new StringBuilder();
final int level = this.level.value;
int levelCount = 0;
if(isLevelCountValid(levelCount) && 0 != day && level > 0){
sb.append(day).append("天");
levelCount++;
}
if(isLevelCountValid(levelCount) && 0 != hour && level > 1){
sb.append(hour).append("小时");
levelCount++;
}
if(isLevelCountValid(levelCount) && 0 != minute && level > 2){
sb.append(minute).append("分");
levelCount++;
}
if(isLevelCountValid(levelCount) && 0 != second && level > 3){
sb.append(second).append("秒");
levelCount++;
}
if(isLevelCountValid(levelCount) && 0 != millisecond && level > 4){
sb.append(millisecond).append("毫秒");
levelCount++;
}
return sb.toString();
}
/**
* 获得 时长毫秒数
* @return 时长毫秒数
*/
public long getBetweenMs() {
return betweenMs;
}
/**
* 设置 时长毫秒数
* @param betweenMs 时长毫秒数
*/
public void setBetweenMs(long betweenMs) {
this.betweenMs = betweenMs;
}
/**
* 获得 格式化级别
* @return 格式化级别
*/
public Level getLevel() {
return level;
}
/**
* 设置格式化级别
* @param level 格式化级别
*/
public void setLevel(Level level) {
this.level = level;
}
/**
* 格式化等级枚举
* @author Looly
*/
public static enum Level {
/** 天 */
DAY(1),
/** 小时 */
HOUR(2),
/** 分钟 */
MINUTE(3),
/** 秒 */
SECOND(4),
/** 毫秒 */
MILLSECOND(5);
private int value;
private Level(int value) {
this.value = value;
}
public int getValue() {
return this.value;
}
}
@Override
public String toString() {
return format();
}
/**
* 等级数量是否有效
* 有效的定义是：levelMaxCount大于0（被设置），当前等级数量没有超过这个最大值
*
* @param levelCount 登记数量
* @return 是否有效
*/
private boolean isLevelCountValid(int levelCount){
return this.levelMaxCount <= 0 || levelCount < this.levelMaxCount;
}
}