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Java

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package com.engine.common.util;
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import com.engine.attendance.enums.AccountingUnitEnum;
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import com.google.common.collect.Maps;
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import com.google.common.reflect.TypeToken;
import com.google.gson.Gson;
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import org.jetbrains.annotations.NotNull;
import weaver.general.BaseBean;
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import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
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import java.lang.reflect.Type;
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import java.math.BigDecimal;
import java.math.MathContext;
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import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Enumeration;
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import java.util.List;
import java.util.Map;
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import java.util.jar.JarEntry;
import java.util.jar.JarFile;
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public class Utils<T> {
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public static Gson gson = new Gson();
public static Type list_map_type = new TypeToken<List<Map<String,String>>>(){}.getType();
public static Type map_type = new TypeToken<Map<String,Object>>(){}.getType();
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public static BaseBean baseBean = new BaseBean();
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/**
* [{a:b,c:d}]json
* @param json
* @return
*/
public static List<Map<String,String>> resolveList_Map(String json){
List<Map<String,String>> list= gson.fromJson(json,list_map_type);
return list;
}
/**
* {a:b,c:d}json
* @param json
* @return
*/
public static Map<String,Object> resolveMap(String json){
Map<String,Object> list= gson.fromJson(json,map_type);
return list;
}
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/**
*
*/
public List<T> getAllClassByInterface(Class<?> c) {
List<T> returnClassList = null;
if (c.isInterface()) {
try {
// 获取当前的包名
String packageName = c.getPackage().getName();
// 获取当前包下以及子包下所以的类
List<Class<?>> allClass = getClasses(packageName);
if (allClass != null) {
returnClassList = new ArrayList();
for (Class<?> cls : allClass) {
// 判断是否是同一个接口
if (c.isAssignableFrom(cls)) {
// 本身不加入进去
if (!c.equals(cls)) {
returnClassList.add((T)cls.newInstance());
}
}
}
}
}catch (Exception e){
baseBean.writeLog(e);
}
}
return returnClassList;
}
/**
* packageClass
*
* @param packageName
* @return
*/
@NotNull
public static List<Class<?>> getClasses(String packageName) {
// 第一个class类的集合
List<Class<?>> classes = new ArrayList<Class<?>>();
// 是否循环迭代
boolean recursive = true;
// 获取包的名字 并进行替换
String packageDirName = packageName.replace('.', '/');
// 定义一个枚举的集合 并进行循环来处理这个目录下的things
Enumeration<URL> dirs;
try {
dirs = Thread.currentThread().getContextClassLoader().getResources(packageDirName);
// 循环迭代下去
while (dirs.hasMoreElements()) {
// 获取下一个元素
URL url = dirs.nextElement();
// 得到协议的名称
String protocol = url.getProtocol();
// 如果是以文件的形式保存在服务器上
if ("file".equals(protocol)) {
// 获取包的物理路径
String filePath = URLDecoder.decode(url.getFile(), "UTF-8");
// 以文件的方式扫描整个包下的文件 并添加到集合中
findAndAddClassesInPackageByFile(packageName, filePath, recursive, classes);
} else if ("jar".equals(protocol)) {
// 如果是jar包文件
// 定义一个JarFile
JarFile jar;
try {
// 获取jar
jar = ((JarURLConnection) url.openConnection()).getJarFile();
// 从此jar包 得到一个枚举类
Enumeration<JarEntry> entries = jar.entries();
// 同样的进行循环迭代
while (entries.hasMoreElements()) {
// 获取jar里的一个实体 可以是目录 和一些jar包里的其他文件 如META-INF等文件
JarEntry entry = entries.nextElement();
String name = entry.getName();
// 如果是以/开头的
if (name.charAt(0) == '/') {
// 获取后面的字符串
name = name.substring(1);
}
// 如果前半部分和定义的包名相同
if (name.startsWith(packageDirName)) {
int idx = name.lastIndexOf('/');
// 如果以"/"结尾 是一个包
if (idx != -1) {
// 获取包名 把"/"替换成"."
packageName = name.substring(0, idx).replace('/', '.');
}
// 如果可以迭代下去 并且是一个包
if ((idx != -1) || recursive) {
// 如果是一个.class文件 而且不是目录
if (name.endsWith(".class") && !entry.isDirectory()) {
// 去掉后面的".class" 获取真正的类名
String className = name.substring(packageName.length() + 1, name.length() - 6);
try {
// 添加到classes
classes.add(Class.forName(packageName + '.' + className));
} catch (ClassNotFoundException e) {
baseBean.writeLog(e);
}
}
}
}
}
} catch (IOException e) {
baseBean.writeLog(e);
}
}
}
} catch (IOException e) {
baseBean.writeLog(e);
}
return classes;
}
/**
* Class
*
* @param packageName
* @param packagePath
* @param recursive
* @param classes
*/
public static void findAndAddClassesInPackageByFile(String packageName, String packagePath, final boolean recursive, List<Class<?>> classes) {
// 获取此包的目录 建立一个File
File dir = new File(packagePath);
// 如果不存在或者 也不是目录就直接返回
if (!dir.exists() || !dir.isDirectory()) {
return;
}
// 如果存在 就获取包下的所有文件 包括目录
File[] dirfiles = dir.listFiles(new FileFilter() {
// 自定义过滤规则 如果可以循环(包含子目录) 或则是以.class结尾的文件(编译好的java类文件)
@Override
public boolean accept(File file) {
return (recursive && file.isDirectory()) || (file.getName().endsWith(".class"));
}
});
// 循环所有文件
for (File file : dirfiles) {
// 如果是目录 则继续扫描
if (file.isDirectory()) {
findAndAddClassesInPackageByFile(packageName + "." + file.getName(), file.getAbsolutePath(), recursive, classes);
} else {
// 如果是java类文件 去掉后面的.class 只留下类名
String className = file.getName().substring(0, file.getName().length() - 6);
try {
// 添加到集合中去
classes.add(Class.forName(packageName + '.' + className));
} catch (ClassNotFoundException e) {
e.printStackTrace();
baseBean.writeLog(e);
}
}
}
}
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/**
* time
* @param time
* @param clockInTimeList
* @return
*/
public static Map<String,Map<String,Object>> getNearestClcokInTimeCmd(String time,List<Map<String, Object>> clockInTimeList){
Map<String,Map<String,Object>> resultMap = Maps.newHashMap();
for (int i=0;i<clockInTimeList.size();i++){
String signDateTime = clockInTimeList.get(i).get("signdate") +" "+clockInTimeList.get(i).get("signtime");
int j=i+1;
if (j > clockInTimeList.size()-1){
j = clockInTimeList.size()-1;
}
String afterSignDateTime = clockInTimeList.get(j).get("signdate") +" "+clockInTimeList.get(j).get("signtime");
if (i==0 && DateUtil.getTime(time).compareTo(DateUtil.getTime(signDateTime)) <0){
resultMap.put("after",clockInTimeList.get(i));
}else if (i == clockInTimeList.size()-1 && DateUtil.getTime(time).compareTo(DateUtil.getTime(signDateTime)) >0){
resultMap.put("before",clockInTimeList.get(i));
}else if (DateUtil.getTime(time).compareTo(DateUtil.getTime(signDateTime)) >0 && DateUtil.getTime(time).compareTo(DateUtil.getTime(afterSignDateTime)) <0){
resultMap.put("before",clockInTimeList.get(i));
resultMap.put("after",clockInTimeList.get(j));
}else if (DateUtil.getTime(time).compareTo(DateUtil.getTime(signDateTime)) == 0){
resultMap.put("equal",clockInTimeList.get(i));
}
}
return resultMap;
}
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/**
*
* @param hsl
* @param hsdw
* @param duration
* @param unit
* @return
*/
public static double getItemduration(double hsl, String hsdw,int duration, AccountingUnitEnum unit){
double itemDuration = 0.0;
BigDecimal durationBig = new BigDecimal(duration);
BigDecimal hslBig = new BigDecimal(hsl);
if (AccountingUnitEnum.DAY.getKey().equals(hsdw) || AccountingUnitEnum.ONCE.getKey().equals(hsdw)){
itemDuration = hsl;
}else if (AccountingUnitEnum.HOUR.getKey().equals(hsdw)){
if (unit.equals(AccountingUnitEnum.MINUTES)){
double durationHour = duration/60.0;
if (duration%60 > 0){
durationHour = durationHour +1;
}
durationBig = new BigDecimal(durationHour);
if ((durationHour/hsl) > Math.floor(durationHour/hsl)){
itemDuration=durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).add(hslBig,new MathContext(BigDecimal.ROUND_HALF_DOWN)).doubleValue();
}else {
itemDuration = durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).doubleValue();
}
}else if (unit.equals(AccountingUnitEnum.HOUR)){
if ((duration/hsl) > Math.floor(duration/hsl)){
itemDuration=durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).add(hslBig,new MathContext(BigDecimal.ROUND_HALF_DOWN)).doubleValue();
}else {
itemDuration = durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).doubleValue();
}
}
}else if (AccountingUnitEnum.MINUTES.getKey().equals(hsdw)){
if (unit.equals(AccountingUnitEnum.MINUTES)){
if ((duration/hsl) > Math.floor(duration/hsl)){
itemDuration=durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).add(hslBig,new MathContext(BigDecimal.ROUND_HALF_DOWN)).doubleValue();
}else {
itemDuration = durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).doubleValue();
}
}else if (unit.equals(AccountingUnitEnum.HOUR)){
int durationMinute = duration*60;
durationBig = new BigDecimal(durationMinute);
if ((durationMinute/hsl) > Math.floor(durationMinute/hsl)){
itemDuration=durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).add(hslBig,new MathContext(BigDecimal.ROUND_HALF_DOWN)).doubleValue();
}else {
itemDuration = durationBig.divide(hslBig,BigDecimal.ROUND_DOWN).multiply(hslBig).doubleValue();
}
}
}
return itemDuration;
}
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}