package com.basic.security.utils;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Environment;
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import android.provider.DocumentsContract;
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import android.provider.MediaStore;
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import android.util.Log;
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import com.basic.security.base.BaseApplication;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.InputStream;
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//import io.reactivex.Observable;
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//import io.reactivex.ObservableEmitter;
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//import io.reactivex.ObservableOnSubscribe;
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//import io.reactivex.Observer;
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//import io.reactivex.android.schedulers.AndroidSchedulers;
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//import io.reactivex.disposables.Disposable;
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//import io.reactivex.schedulers.Schedulers;
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/**
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* Created by EN on 2016/8/27.
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*/
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public class FileUtils {
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public static File getCacheDir() {
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File file = BaseApplication.getApplication().getCacheDir();
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return getDir(file);
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}
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public static File getFilesDir() {
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File file = BaseApplication.getApplication().getFilesDir();
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return getDir(file);
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}
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public static File getExternalCacheDir() {
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File file = null;
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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file = BaseApplication.getApplication().getExternalCacheDir();
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}
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return getDir(file);
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}
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public static File getExternalFilesDir() {
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File file = null;
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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file = BaseApplication.getApplication().getExternalFilesDir(null);
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}
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return getDir(file);
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}
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public static File getExternalStorageDir() {
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File file = null;
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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file = Environment.getExternalStorageDirectory();
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}
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return getDir(file);
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}
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public static File getExternalStoragePublicDir(String type) {
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File file = null;
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// DIRECTORY_MUSIC, DIRECTORY_PODCASTS, DIRECTORY_RINGTONES, DIRECTORY_ALARMS,
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// DIRECTORY_NOTIFICATIONS, DIRECTORY_PICTURES, DIRECTORY_MOVIES, DIRECTORY_DOWNLOADS,
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// DIRECTORY_DCIM, or DIRECTORY_DOCUMENTS
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if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
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file = Environment.getExternalStoragePublicDirectory(type);
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}
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return getDir(file);
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}
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public static File getDir(File file) {
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if (file == null) {
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return null;
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}
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if (file.isFile()) {
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file.delete();
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}
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if (!file.exists()) {
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file.mkdir();
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}
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return file;
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}
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//小米手机不可用
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public static String getPath(Context context, Uri uri) {
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if ("content".equalsIgnoreCase(uri.getScheme())) {
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String[] projection = {"_data"};
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Cursor cursor = null;
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try {
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cursor = context.getContentResolver().query(uri, null, null, null, null);
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String cs[] = cursor.getColumnNames();
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int i = 0;
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cursor.moveToFirst();
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for (String s : cs) {
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Log.i("column", s + ":" + cursor.getString(i));
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if ("_data".equals(s)) {
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return cursor.getString(i);
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} else if ("document_id".equals(s)) {
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String path = cursor.getString(i);
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if (path.startsWith("raw:")) {
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return cursor.getString(i).split(":")[1];
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}
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}
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i++;
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}
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int column_index = cursor.getColumnIndexOrThrow("_data");
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if (cursor.moveToFirst()) {
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return cursor.getString(column_index);
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}
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} catch (Exception e) {
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// Eat it Or Log it.
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} finally {
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if (!cursor.isClosed()) {
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cursor.close();
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}
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}
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} else if ("file".equalsIgnoreCase(uri.getScheme())) {
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return uri.getPath();
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}
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return null;
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}
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public static InputStream getInputStream(Context context, Uri uri) {
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try {
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return context.getContentResolver().openInputStream(uri);
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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}
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return null;
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}
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public static String getPathFormUri(Uri uri) {
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String path;
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if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
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path = getPath(uri);
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} else {
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path = getRealPathFromURI(uri);
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}
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return path;
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}
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// public static void writeFile(final File file, final String data, final CallBack callBack) {
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// Observable.create(new ObservableOnSubscribe<Object>() {
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//
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// public void subscribe(ObservableEmitter<Object> emitter) throws Exception {
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// try {
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// if (!file.exists()) {
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// if (!file.createNewFile()) {
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// emitter.onError(new Throwable("文件创建失败"));
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// }
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// }
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// FileOutputStream fileOutputStream = new FileOutputStream(file);
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// fileOutputStream.write(data.getBytes());
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// emitter.onNext("ok");
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// fileOutputStream.flush();
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// fileOutputStream.close();
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// emitter.onComplete();
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// } catch (FileNotFoundException e) {
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// emitter.onError(e);
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// e.printStackTrace();
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// } catch (IOException e) {
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// emitter.onError(e);
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// e.printStackTrace();
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// }
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// }
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// }).subscribeOn(Schedulers.io())
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// .observeOn(AndroidSchedulers.mainThread())
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// .subscribe(new Observer<Object>() {
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// private Disposable disposable;
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//
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//
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// public void onSubscribe(Disposable d) {
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// disposable = d;
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// }
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//
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//
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// public void onNext(Object o) {
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// callBack.onSuccess(o.toString());
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// dispose(disposable);
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// }
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//
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//
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// public void onError(Throwable e) {
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// callBack.onFailure(e.getMessage());
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// dispose(disposable);
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// }
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//
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//
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// public void onComplete() {
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// dispose(disposable);
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// }
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// });
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//
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//
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// }
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//
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// public static void readFile(final File file, final CallBack callBack) {
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// Observable.create(new ObservableOnSubscribe<Object>() {
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//
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// public void subscribe(ObservableEmitter<Object> emitter) throws Exception {
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// try {
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// FileReader fileReader = new FileReader(file);
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// StringBuilder stringBuilder = new StringBuilder();
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// char[] chars = new char[100];
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// int length;
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// while ((length = fileReader.read(chars)) != -1) {
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// stringBuilder.append(chars, 0, length);
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// }
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//// System.out.println(stringBuilder.toString());
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// fileReader.close();
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// emitter.onNext(stringBuilder.toString());
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// emitter.onComplete();
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// } catch (FileNotFoundException e) {
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// emitter.onError(e);
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// e.printStackTrace();
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// } catch (IOException e) {
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// emitter.onError(e);
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// e.printStackTrace();
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// }
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// }
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// }).subscribeOn(Schedulers.io())
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// .observeOn(AndroidSchedulers.mainThread())
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// .subscribe(new Observer<Object>() {
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// private Disposable disposable;
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//
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//
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// public void onSubscribe(Disposable d) {
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// disposable = d;
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// }
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//
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//
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// public void onNext(Object o) {
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// callBack.onSuccess(o.toString());
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// dispose(disposable);
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// }
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//
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//
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// public void onError(Throwable e) {
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// callBack.onFailure(e.getMessage());
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// dispose(disposable);
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// }
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//
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//
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// public void onComplete() {
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// dispose(disposable);
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// }
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// });
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//
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//
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// }
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//
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// private static void dispose(Disposable disposable) {
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// if (disposable != null && !disposable.isDisposed()) {
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// disposable.dispose();
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// }
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// }
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public static String getPath(final Uri uri) {
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// DocumentProvider
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && DocumentsContract.isDocumentUri(BaseApplication.getApplication(), uri)) {
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// ExternalStorageProvider
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if (isExternalStorageDocument(uri)) {
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final String docId = DocumentsContract.getDocumentId(uri);
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final String[] split = docId.split(":");
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final String type = split[0];
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if ("primary".equalsIgnoreCase(type)) {
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return Environment.getExternalStorageDirectory() + "/" + split[1];
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}
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}
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// DownloadsProvider
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else if (isDownloadsDocument(uri)) {
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final String id = DocumentsContract.getDocumentId(uri);
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// final Uri contentUri = ContentUris.withAppendedId(
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// Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
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// return getDataColumn(context, contentUri, null, null);
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final String[] split = id.split(":");
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return split[1];
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}
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// MediaProvider
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else if (isMediaDocument(uri)) {
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final String docId = DocumentsContract.getDocumentId(uri);
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final String[] split = docId.split(":");
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final String type = split[0];
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Uri contentUri = null;
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if ("image".equals(type)) {
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contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
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} else if ("video".equals(type)) {
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contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
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} else if ("audio".equals(type)) {
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contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
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}
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final String selection = "_id=?";
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final String[] selectionArgs = new String[]{split[1]};
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return getDataColumn2(contentUri, selection, selectionArgs);
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}
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}
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// MediaStore (and general)
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else if ("content".equalsIgnoreCase(uri.getScheme())) {
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return getDataColumn2(uri, null, null);
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}
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// File
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else if ("file".equalsIgnoreCase(uri.getScheme())) {
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return uri.getPath();
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}
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return null;
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}
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public static String getRealPathFromURI(Uri contentUri) {
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String res = null;
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String[] proj = {MediaStore.Images.Media.DATA};
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Cursor cursor = BaseApplication.getApplication().getContentResolver().query(contentUri, proj, null, null, null);
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if (null != cursor && cursor.moveToFirst()) {
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int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
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res = cursor.getString(column_index);
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cursor.close();
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}
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return res;
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}
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/**
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* Get the value of the data column for this Uri. This is useful for
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* MediaStore Uris, and other file-based ContentProviders.
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*
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* @param uri The Uri to query.
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* @param selection (Optional) Filter used in the query.
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* @param selectionArgs (Optional) Selection arguments used in the query.
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* @return The value of the _data column, which is typically a file path.
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*/
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public static String getDataColumn2(Uri uri, String selection,
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String[] selectionArgs) {
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Cursor cursor = null;
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final String column = "_data";
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final String[] projection = {column};
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try {
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cursor = BaseApplication.getApplication().getContentResolver()
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.query(uri, projection, selection, selectionArgs, null);
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if (cursor != null && cursor.moveToFirst()) {
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final int column_index = cursor.getColumnIndexOrThrow(column);
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return cursor.getString(column_index);
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}
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} finally {
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if (cursor != null)
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cursor.close();
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}
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return null;
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}
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/**
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* @param uri The Uri to check.
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* @return Whether the Uri authority is ExternalStorageProvider.
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*/
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public static boolean isExternalStorageDocument(Uri uri) {
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return "com.android.externalstorage.documents".equals(uri.getAuthority());
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}
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/**
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* @param uri The Uri to check.
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* @return Whether the Uri authority is DownloadsProvider.
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*/
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public static boolean isDownloadsDocument(Uri uri) {
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return "com.android.providers.downloads.documents".equals(uri.getAuthority());
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}
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/**
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* @param uri The Uri to check.
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* @return Whether the Uri authority is MediaProvider.
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*/
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public static boolean isMediaDocument(Uri uri) {
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return "com.android.providers.media.documents".equals(uri.getAuthority());
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}
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/**
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* 解决小米手机上获取图片路径为null的情况
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*
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* @param intent
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* @return
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*/
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public Uri getImageUri(Context context, android.content.Intent intent) {
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Uri uri = intent.getData();
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String type = intent.getType();
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if (uri.getScheme().equals("file") && (type.contains("image/"))) {
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String path = uri.getEncodedPath();
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if (path != null) {
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path = Uri.decode(path);
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ContentResolver cr = context.getContentResolver();
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StringBuffer buff = new StringBuffer();
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buff.append("(").append(MediaStore.Images.ImageColumns.DATA).append("=")
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.append("'" + path + "'").append(")");
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Cursor cur = cr.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
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new String[]{MediaStore.Images.ImageColumns._ID},
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buff.toString(), null, null);
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int index = 0;
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for (cur.moveToFirst(); !cur.isAfterLast(); cur.moveToNext()) {
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index = cur.getColumnIndex(MediaStore.Images.ImageColumns._ID);
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// set _id value
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index = cur.getInt(index);
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}
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if (index == 0) {
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// do nothing
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} else {
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Uri uri_temp = Uri
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.parse("content://media/external/images/media/"
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+ index);
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if (uri_temp != null) {
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uri = uri_temp;
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}
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}
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}
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}
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return uri;
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}
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}
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