package com.zhaoyang.driver.utils.glide;
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import android.content.Context;
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import android.os.Looper;
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import android.text.TextUtils;
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import com.bumptech.glide.Glide;
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import com.bumptech.glide.load.engine.cache.ExternalCacheDiskCacheFactory;
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import com.bumptech.glide.load.engine.cache.InternalCacheDiskCacheFactory;
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import java.io.File;
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import java.math.BigDecimal;
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/**
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* Glide缓存工具类
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* Created by Trojx on 2016/10/10 0010.
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*/
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public class GlideCacheUtil {
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private static GlideCacheUtil inst;
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public static GlideCacheUtil getInstance() {
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if (inst == null) {
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inst = new GlideCacheUtil();
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}
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return inst;
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}
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/**
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* 清除图片磁盘缓存
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*/
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public void clearImageDiskCache(Context context) {
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try {
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if (Looper.myLooper() == Looper.getMainLooper()) {
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new Thread(new Runnable() {
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@Override
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public void run() {
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Glide.get(context).clearDiskCache();
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// BusUtil.getBus().post(new GlideCacheClearSuccessEvent());
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}
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}).start();
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} else {
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Glide.get(context).clearDiskCache();
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* 清除图片内存缓存
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*/
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public void clearImageMemoryCache(Context context) {
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try {
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if (Looper.myLooper() == Looper.getMainLooper()) { //只能在主线程执行
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Glide.get(context).clearMemory();
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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/**
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* 清除图片所有缓存
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*/
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public void clearImageAllCache(Context context) {
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clearImageDiskCache(context);
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clearImageMemoryCache(context);
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String ImageExternalCatchDir = context.getExternalCacheDir() + ExternalCacheDiskCacheFactory.DEFAULT_DISK_CACHE_DIR;
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deleteFolderFile(ImageExternalCatchDir, true);
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}
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/**
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* 获取Glide造成的缓存大小
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*
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* @return CacheSize
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*/
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public String getCacheSize(Context context) {
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try {
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return getFormatSize(getFolderSize(new File(context.getCacheDir() + "/" + InternalCacheDiskCacheFactory.DEFAULT_DISK_CACHE_DIR)));
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} catch (Exception e) {
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e.printStackTrace();
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}
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return "";
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}
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/**
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* 获取指定文件夹内所有文件大小的和
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*
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* @param file file
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* @return size
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* @throws Exception
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*/
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private long getFolderSize(File file) throws Exception {
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long size = 0;
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try {
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File[] fileList = file.listFiles();
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for (File aFileList : fileList) {
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if (aFileList.isDirectory()) {
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size = size + getFolderSize(aFileList);
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} else {
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size = size + aFileList.length();
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return size;
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}
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/**
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* 删除指定目录下的文件，这里用于缓存的删除
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*
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* @param filePath filePath
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* @param deleteThisPath deleteThisPath
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*/
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private void deleteFolderFile(String filePath, boolean deleteThisPath) {
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if (!TextUtils.isEmpty(filePath)) {
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try {
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File file = new File(filePath);
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if (file.isDirectory()) {
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File files[] = file.listFiles();
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for (File file1 : files) {
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deleteFolderFile(file1.getAbsolutePath(), true);
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}
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}
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if (deleteThisPath) {
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if (!file.isDirectory()) {
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file.delete();
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} else {
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if (file.listFiles().length == 0) {
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file.delete();
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* 格式化单位
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*
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* @param size size
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* @return size
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*/
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private static String getFormatSize(double size) {
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double kiloByte = size / 1024;
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// if (kiloByte < 1) {
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// return size + "BT";
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// }
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double megaByte = kiloByte / 1024;
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if (megaByte < 1) {
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BigDecimal result1 = new BigDecimal(Double.toString(kiloByte));
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return result1.setScale(0, BigDecimal.ROUND_HALF_UP).toPlainString() + "KB";
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}
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double gigaByte = megaByte / 1024;
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if (gigaByte < 1) {
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BigDecimal result2 = new BigDecimal(Double.toString(megaByte));
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return result2.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "MB";
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}
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double teraBytes = gigaByte / 1024;
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if (teraBytes < 1) {
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BigDecimal result3 = new BigDecimal(Double.toString(gigaByte));
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return result3.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "GB";
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}
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BigDecimal result4 = new BigDecimal(teraBytes);
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return result4.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString() + "TB";
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}
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}
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