FileUtils.java
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package com.cnlive.gundam.user.util;
import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Environment;
import android.os.StatFs;
import android.os.storage.StorageManager;
import android.text.TextUtils;
import android.text.format.Formatter;
import com.cnlive.libs.util.SharedPreferencesHelper;
import org.jivesoftware.smack.util.StringUtils;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Array;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map;
public class FileUtils {
// http://www.fileinfo.com/filetypes/video , "dat" , "bin" , "rms"
public static final String[] VIDEO_EXTENSIONS = {"264", "3g2", "3gp",
"3gp2", "3gpp", "3gpp2", "3mm", "3p2", "60d", "aep", "ajp", "amv",
"amx", "arf", "asf", "asx", "avb", "avd", "avi", "avs", "avs",
"axm", "bdm", "bdmv", "bik", "bix", "bmk", "box", "bs4", "bsf",
"byu", "camre", "clpi", "cpi", "cvc", "d2v", "d3v", "dav", "dce",
"dck", "ddat", "dif", "dir", "divx", "dlx", "dmb", "dmsm", "dmss",
"dnc", "dpg", "dream", "dsy", "dv", "dv-avi", "dv4", "dvdmedia",
"dvr-ms", "dvx", "dxr", "dzm", "dzp", "dzt", "evo", "eye", "f4p",
"f4v", "fbr", "fbr", "fbz", "fcp", "flc", "flh", "fli", "flv",
"flx", "gl", "grasp", "gts", "gvi", "gvp", "hdmov", "hkm", "ifo",
"imovi", "imovi", "iva", "ivf", "ivr", "ivs", "izz", "izzy", "jts",
"lsf", "lsx", "m15", "m1pg", "m1v", "m21", "m21", "m2a", "m2p",
"m2t", "m2ts", "m2v", "m4e", "m4u", "m4v", "m75", "meta", "mgv",
"mj2", "mjp", "mjpg", "mkv", "mmv", "mnv", "mod", "modd", "moff",
"moi", "moov", "mov", "movie", "mp21", "mp21", "mp2v", "mp4",
"mp4v", "mpe", "mpeg", "mpeg4", "mpf", "mpg", "mpg2", "mpgin",
"mpl", "mpls", "mpv", "mpv2", "mqv", "msdvd", "msh", "mswmm",
"mts", "mtv", "mvb", "mvc", "mvd", "mve", "mvp", "mxf", "mys",
"ncor", "nsv", "nvc", "ogm", "ogv", "ogx", "osp", "par", "pds",
"pgi", "piv", "playlist", "pmf", "prel", "pro", "prproj", "psh",
"pva", "pvr", "pxv", "qt", "qtch", "qtl", "qtm", "qtz",
"rcproject", "rdb", "rec", "rm", "rmd", "rmp", "rmvb", "roq", "rp",
"rts", "rts", "rum", "rv", "sbk", "sbt", "scm", "scm", "scn",
"sec", "seq", "sfvidcap", "smil", "smk", "sml", "smv", "spl",
"ssm", "str", "stx", "svi", "swf", "swi", "swt", "tda3mt", "tivo",
"tix", "tod", "tp", "tp0", "tpd", "tpr", "trp", "ts", "tvs", "vc1",
"vcr", "vcv", "vdo", "vdr", "veg", "vem", "vf", "vfw", "vfz",
"vgz", "vid", "viewlet", "viv", "vivo", "vlab", "vob", "vp3",
"vp6", "vp7", "vpj", "vro", "vsp", "w32", "wcp", "webm", "wm",
"wmd", "wmmp", "wmv", "wmx", "wp3", "wpl", "wtv", "wvx", "xfl",
"xvid", "yuv", "zm1", "zm2", "zm3", "zmv"};
// http://www.fileinfo.com/filetypes/audio , "spx" , "mid" , "sf"
public static final String[] AUDIO_EXTENSIONS = {"4mp", "669", "6cm",
"8cm", "8med", "8svx", "a2m", "aa", "aa3", "aac", "aax", "abc",
"abm", "ac3", "acd", "acd-bak", "acd-zip", "acm", "act", "adg",
"afc", "agm", "ahx", "aif", "aifc", "aiff", "ais", "akp", "al",
"alaw", "all", "amf", "amr", "ams", "ams", "aob", "ape", "apf",
"apl", "ase", "at3", "atrac", "au", "aud", "aup", "avr", "awb",
"band", "bap", "bdd", "box", "bun", "bwf", "c01", "caf", "cda",
"cdda", "cdr", "cel", "cfa", "cidb", "cmf", "copy", "cpr", "cpt",
"csh", "cwp", "d00", "d01", "dcf", "dcm", "dct", "ddt", "dewf",
"df2", "dfc", "dig", "dig", "dls", "dm", "dmf", "dmsa", "dmse",
"drg", "dsf", "dsm", "dsp", "dss", "dtm", "dts", "dtshd", "dvf",
"dwd", "ear", "efa", "efe", "efk", "efq", "efs", "efv", "emd",
"emp", "emx", "esps", "f2r", "f32", "f3r", "f4a", "f64", "far",
"fff", "flac", "flp", "fls", "frg", "fsm", "fzb", "fzf", "fzv",
"g721", "g723", "g726", "gig", "gp5", "gpk", "gsm", "gsm", "h0",
"hdp", "hma", "hsb", "ics", "iff", "imf", "imp", "ins", "ins",
"it", "iti", "its", "jam", "k25", "k26", "kar", "kin", "kit",
"kmp", "koz", "koz", "kpl", "krz", "ksc", "ksf", "kt2", "kt3",
"ktp", "l", "la", "lqt", "lso", "lvp", "lwv", "m1a", "m3u", "m4a",
"m4b", "m4p", "m4r", "ma1", "mdl", "med", "mgv", "midi", "miniusf",
"mka", "mlp", "mmf", "mmm", "mmp", "mo3", "mod", "mp1", "mp2",
"mp3", "mpa", "mpc", "mpga", "mpu", "mp_", "mscx", "mscz", "msv",
"mt2", "mt9", "mte", "mti", "mtm", "mtp", "mts", "mus", "mws",
"mxl", "mzp", "nap", "nki", "nra", "nrt", "nsa", "nsf", "nst",
"ntn", "nvf", "nwc", "odm", "oga", "ogg", "okt", "oma", "omf",
"omg", "omx", "ots", "ove", "ovw", "pac", "pat", "pbf", "pca",
"pcast", "pcg", "pcm", "peak", "phy", "pk", "pla", "pls", "pna",
"ppc", "ppcx", "prg", "prg", "psf", "psm", "ptf", "ptm", "pts",
"pvc", "qcp", "r", "r1m", "ra", "ram", "raw", "rax", "rbs", "rcy",
"rex", "rfl", "rmf", "rmi", "rmj", "rmm", "rmx", "rng", "rns",
"rol", "rsn", "rso", "rti", "rtm", "rts", "rvx", "rx2", "s3i",
"s3m", "s3z", "saf", "sam", "sb", "sbg", "sbi", "sbk", "sc2", "sd",
"sd", "sd2", "sd2f", "sdat", "sdii", "sds", "sdt", "sdx", "seg",
"seq", "ses", "sf2", "sfk", "sfl", "shn", "sib", "sid", "sid",
"smf", "smp", "snd", "snd", "snd", "sng", "sng", "sou", "sppack",
"sprg", "sseq", "sseq", "ssnd", "stm", "stx", "sty", "svx", "sw",
"swa", "syh", "syw", "syx", "td0", "tfmx", "thx", "toc", "tsp",
"txw", "u", "ub", "ulaw", "ult", "ulw", "uni", "usf", "usflib",
"uw", "uwf", "vag", "val", "vc3", "vmd", "vmf", "vmf", "voc",
"voi", "vox", "vpm", "vqf", "vrf", "vyf", "w01", "wav", "wav",
"wave", "wax", "wfb", "wfd", "wfp", "wma", "wow", "wpk", "wproj",
"wrk", "wus", "wut", "wv", "wvc", "wve", "wwu", "xa", "xa", "xfs",
"xi", "xm", "xmf", "xmi", "xmz", "xp", "xrns", "xsb", "xspf", "xt",
"xwb", "ym", "zvd", "zvr"};
private static final HashSet<String> mHashVideo;
private static final HashSet<String> mHashAudio;
private static final double KB = 1024.0;
private static final double MB = KB * KB;
private static final double GB = KB * KB * KB;
static {
mHashVideo = new HashSet<String>(Arrays.asList(VIDEO_EXTENSIONS));
mHashAudio = new HashSet<String>(Arrays.asList(AUDIO_EXTENSIONS));
}
private static HashMap<String, String> mMimeType = new HashMap<String, String>();
static {
mMimeType.put("M1V", "video/mpeg");
mMimeType.put("MP2", "video/mpeg");
mMimeType.put("MPE", "video/mpeg");
mMimeType.put("MPG", "video/mpeg");
mMimeType.put("MPEG", "video/mpeg");
mMimeType.put("MP4", "video/mp4");
mMimeType.put("M4V", "video/mp4");
mMimeType.put("3GP", "video/3gpp");
mMimeType.put("3GPP", "video/3gpp");
mMimeType.put("3G2", "video/3gpp2");
mMimeType.put("3GPP2", "video/3gpp2");
mMimeType.put("MKV", "video/x-matroska");
mMimeType.put("WEBM", "video/x-matroska");
mMimeType.put("MTS", "video/mp2ts");
mMimeType.put("TS", "video/mp2ts");
mMimeType.put("TP", "video/mp2ts");
mMimeType.put("WMV", "video/x-ms-wmv");
mMimeType.put("ASF", "video/x-ms-asf");
mMimeType.put("ASX", "video/x-ms-asf");
mMimeType.put("FLV", "video/x-flv");
mMimeType.put("MOV", "video/quicktime");
mMimeType.put("QT", "video/quicktime");
mMimeType.put("RM", "video/x-pn-realvideo");
mMimeType.put("RMVB", "video/x-pn-realvideo");
mMimeType.put("VOB", "video/dvd");
mMimeType.put("DAT", "video/dvd");
mMimeType.put("AVI", "video/x-divx");
mMimeType.put("OGV", "video/ogg");
mMimeType.put("OGG", "video/ogg");
mMimeType.put("VIV", "video/vnd.vivo");
mMimeType.put("VIVO", "video/vnd.vivo");
mMimeType.put("WTV", "video/wtv");
mMimeType.put("AVS", "video/avs-video");
mMimeType.put("SWF", "video/x-shockwave-flash");
mMimeType.put("YUV", "video/x-raw-yuv");
}
/**
* 是否是音频或者视频
*/
public static boolean isVideoOrAudio(File f) {
final String ext = getFileExtension(f);
return mHashVideo.contains(ext) || mHashAudio.contains(ext);
}
public static boolean isVideoOrAudio(String f) {
final String ext = getUrlExtension(f);
return mHashVideo.contains(ext) || mHashAudio.contains(ext);
}
public static boolean isVideo(File f) {
final String ext = getFileExtension(f);
return mHashVideo.contains(ext);
}
/**
* 获取文件后缀
*/
public static String getFileExtension(File f) {
if (f != null) {
String filename = f.getName();
int i = filename.lastIndexOf('.');
if (i > 0 && i < filename.length() - 1) {
return filename.substring(i + 1).toLowerCase(Locale.SIMPLIFIED_CHINESE);
}
}
return null;
}
public static String getUrlFileExtensionName(String url) {
if(StringUtils.isEmpty(url)) return "";
int slashIndex = url.lastIndexOf('/');
String filenameWithoutExtension;
filenameWithoutExtension = url.substring(slashIndex + 1);
return filenameWithoutExtension;
}
public static String getUrlFileName(String url) {
int slashIndex = url.lastIndexOf('/');
int dotIndex = url.lastIndexOf('.');
String filenameWithoutExtension;
if (dotIndex == -1) {
filenameWithoutExtension = url.substring(slashIndex + 1);
} else {
filenameWithoutExtension = url.substring(slashIndex + 1, dotIndex);
}
return filenameWithoutExtension;
}
public static String getUrlExtension(String url) {
if (!StringUtils.isEmpty(url)) {
int i = url.lastIndexOf('.');
if (i > 0 && i < url.length() - 1) {
return url.substring(i + 1).toLowerCase(Locale.getDefault());
}
}
return "";
}
public static String getFileNameNoEx(String filename) {
if ((filename != null) && (filename.length() > 0)) {
int dot = filename.lastIndexOf('.');
if ((dot > -1) && (dot < (filename.length()))) {
return filename.substring(0, dot);
}
}
return filename;
}
public static String showFileSize(long size) {
String fileSize;
if (size < KB)
fileSize = size + "B";
else if (size < MB)
fileSize = String.format("%.1f", size / KB) + "KB";
else if (size < GB)
fileSize = String.format("%.1f", size / MB) + "MB";
else
fileSize = String.format("%.1f", size / GB) + "GB";
return fileSize;
}
/**
* 显示SD卡剩余空间
*/
public static String showFileAvailable() {
String result = "";
if (Environment.MEDIA_MOUNTED.equals(Environment
.getExternalStorageState())) {
StatFs sf = new StatFs(Environment.getExternalStorageDirectory()
.getPath());
long blockSize = sf.getBlockSize();
long blockCount = sf.getBlockCount();
long availCount = sf.getAvailableBlocks();
return showFileSize(availCount * blockSize) + " / "
+ showFileSize(blockSize * blockCount);
}
return result;
}
/**
* 如果不存在就创建
*/
public static boolean createIfNoExists(String path) {
File file = new File(path);
boolean mk = false;
if (!file.exists()) {
mk = file.mkdirs();
}
return mk;
}
/**
* 获取MIME
*/
public static String getMimeType(String path) {
int lastDot = path.lastIndexOf(".");
if (lastDot < 0)
return null;
return mMimeType.get(path.substring(lastDot + 1).toUpperCase(Locale.getDefault()));
}
/**
* 多个SD卡时 取外置SD卡
*/
public static String getExternalStorageDirectory() {
// 参考文章
// http://blog.csdn.net/bbmiku/article/details/7937745
Map<String, String> map = System.getenv();
String[] values = new String[map.values().size()];
map.values().toArray(values);
String path = values[values.length - 1];
if (path.startsWith("/mnt/")
&& !Environment.getExternalStorageDirectory().getAbsolutePath()
.equals(path))
return path;
else
return null;
}
public static String getCanonical(File f) {
if (f == null)
return null;
try {
return f.getCanonicalPath();
} catch (IOException e) {
return f.getAbsolutePath();
}
}
public static boolean sdAvailable() {
return Environment.MEDIA_MOUNTED_READ_ONLY.equals(Environment
.getExternalStorageState())
|| Environment.MEDIA_MOUNTED.equals(Environment
.getExternalStorageState());
}
//将SD卡文件删除
public static void deleteFile(File file) {
String sdState = Environment.getExternalStorageState();
if (sdState.equals(Environment.MEDIA_MOUNTED)) {
if (file.exists()) {
if (file.isFile()) {
file.delete();
}
// 如果它是一个目录
else if (file.isDirectory()) {
// 声明目录下所有的文件 files[];
File files[] = file.listFiles();
for (File file1 : files) { // 遍历目录下所有的文件
deleteFile(file1); // 把每个文件 用这个方法进行迭代
}
}
file.delete();
}
}
}
public static long getFileSize(String pathToFile) {
File f = new File(pathToFile);
return f.length();
}
@SuppressLint("DefaultLocale")
public static String humanReadableByteCount(long bytes, boolean si) {
int unit = si ? 1024 : 1000;
if (bytes < unit) return bytes + " B";
int exp = (int) (Math.log(bytes) / Math.log(unit));
String pre = (si ? "kMGTPE" : "KMGTPE").charAt(exp - 1) + (si ? "" : "i");
return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre);
}
public static String getHumanReadableFileSize(String pathToFile) {
return humanReadableByteCount(getFileSize(pathToFile), true);
}
public static String getDownloadSavePath(Context mContext){
String path;
SharedPreferencesHelper sph = SharedPreferencesHelper.getInstance(mContext);
String downLoadPath = sph.getValue("download_path");
if (downLoadPath != null && !downLoadPath.equals("extra")) {
path = FileUtils.getInnerSDCardPath(mContext);
} else {
path = FileUtils.getExtSDCardPath(mContext);
if(TextUtils.isEmpty(path)){//如果外部存储被拔出，自动转换至内部存储
sph.setValue("download_path","inner");
path = FileUtils.getInnerSDCardPath(mContext);
}
}
return path;
}
public static String readSystem(Context context) {
StatFs stat = new StatFs(getDownloadSavePath(context));
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
long availableBlocks = stat.getAvailableBlocks();
long totalSize = totalBlocks * blockSize;
long availSize = availableBlocks * blockSize;
return "可用大小:" + Formatter.formatFileSize(context, availSize) + ",总大小:" + Formatter.formatFileSize(context, totalSize);
}
public static String readExtraSystem(Context context, String path) {
if(TextUtils.isEmpty(path)) return null;
StatFs stat = new StatFs(path);
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
long availableBlocks = stat.getAvailableBlocks();
long totalSize = totalBlocks * blockSize;
long availSize = availableBlocks * blockSize;
return "可用大小:" + Formatter.formatFileSize(context, availSize);
}
public static String readInnerSystem(Context context) {
String pathStr = "";
if(TextUtils.isEmpty(pathStr = getInnerSDCardPath(context))) return null;
StatFs stat = new StatFs(pathStr);
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
long availableBlocks = stat.getAvailableBlocks();
long totalSize = totalBlocks * blockSize;
long availSize = availableBlocks * blockSize;
return "可用大小:" + Formatter.formatFileSize(context, availSize);
}
/**
* 获取内置SD卡路径
* @return
*/
public static String getInnerSDCardPath(Context context) {
return getStoragePath(context,false);
}
/**
* 获取外置SD卡路径
*
* @return 应该就一条记录或空
*/
public static String getExtSDCardPath(Context context) {
return getStoragePath(context,true);
}
private static String getStoragePath(Context mContext, boolean is_removale) {
StorageManager mStorageManager = (StorageManager) mContext.getSystemService(Context.STORAGE_SERVICE);
Class<?> storageVolumeClazz = null;
try {
storageVolumeClazz = Class.forName("android.os.storage.StorageVolume");
Method getVolumeList = mStorageManager.getClass().getMethod("getVolumeList");
Method getPath = storageVolumeClazz.getMethod("getPath");
Method isRemovable = storageVolumeClazz.getMethod("isRemovable");
Object result = getVolumeList.invoke(mStorageManager);
final int length = Array.getLength(result);
for (int i = 0; i < length; i++) {
Object storageVolumeElement = Array.get(result, i);
String path = (String) getPath.invoke(storageVolumeElement);
boolean removable = (Boolean) isRemovable.invoke(storageVolumeElement);
if (is_removale == removable) {
StatFs stat = new StatFs(path);
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
if(totalBlocks * blockSize <= 0) return null;
return path;
}
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}