/*
* Copyright (C) 2007-2008 OpenIntents.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.matisse.ucrop.util;
import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.util.Log;
import androidx.annotation.NonNull;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.channels.FileChannel;
import java.text.SimpleDateFormat;
import java.util.Locale;
/**
* @author Peli
* @author paulburke (ipaulpro)
* @version 2013-12-11
*/
public class FileUtils {
private static SimpleDateFormat sf = new SimpleDateFormat("yyyyMMdd_HHmmssSS");
/**
* TAG for log messages.
*/
static final String TAG = "FileUtils";
private FileUtils() {
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is ExternalStorageProvider.
* @author paulburke
*/
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is DownloadsProvider.
* @author paulburke
*/
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is MediaProvider.
* @author paulburke
*/
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is Google Photos.
*/
public static boolean isGooglePhotosUri(Uri uri) {
return "com.google.android.apps.photos.content".equals(uri.getAuthority());
}
/**
* Get the value of the data column for this Uri. This is useful for
* MediaStore Uris, and other file-based ContentProviders.
*
* @param context The context.
* @param uri The Uri to query.
* @param selection (Optional) Filter used in the query.
* @param selectionArgs (Optional) Selection arguments used in the query.
* @return The value of the _data column, which is typically a file path.
* @author paulburke
*/
public static String getDataColumn(Context context, Uri uri, String selection,
String[] selectionArgs) {
Cursor cursor = null;
final String column = "_data";
final String[] projection = {
column
};
try {
cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
null);
if (cursor != null && cursor.moveToFirst()) {
final int column_index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(column_index);
}
} catch (IllegalArgumentException ex) {
Log.i(TAG, String.format(Locale.getDefault(), "getDataColumn: _data - [%s]", ex.getMessage()));
} finally {
if (cursor != null) {
cursor.close();
}
}
return null;
}
/**
* Get a file path from a Uri. This will get the the path for Storage Access
* Framework Documents, as well as the _data field for the MediaStore and
* other file-based ContentProviders.<br>
* <br>
* Callers should check whether the path is local before assuming it
* represents a local file.
*
* @param context The context.
* @param uri The Uri to query.
* @author paulburke
*/
@SuppressLint("NewApi")
public static String getPath(final Context context, final Uri uri) {
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
// DocumentProvider
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
if (isExternalStorageDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
if ("primary".equalsIgnoreCase(type)) {
return context
.getExternalFilesDir(Environment.DIRECTORY_PICTURES) + "/" + split[1];
}
// TODO handle non-primary volumes
}
// DownloadsProvider
else if (isDownloadsDocument(uri)) {
final String id = DocumentsContract.getDocumentId(uri);
final Uri contentUri = ContentUris.withAppendedId(
Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
return getDataColumn(context, contentUri, null, null);
}
// MediaProvider
else if (isMediaDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
final String selection = "_id=?";
final String[] selectionArgs = new String[]{
split[1]
};
return getDataColumn(context, contentUri, selection, selectionArgs);
}
}
// MediaStore (and general)
else if ("content".equalsIgnoreCase(uri.getScheme())) {
// Return the remote address
if (isGooglePhotosUri(uri)) {
return uri.getLastPathSegment();
}
return getDataColumn(context, uri, null, null);
}
// File
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}
/**
* Copies one file into the other with the given paths.
* In the event that the paths are the same, trying to copy one file to the other
* will cause both files to become null.
* Simply skipping this step if the paths are identical.
*/
public static void copyFile(@NonNull String pathFrom, @NonNull String pathTo) throws IOException {
if (pathFrom.equalsIgnoreCase(pathTo)) {
return;
}
FileChannel outputChannel = null;
FileChannel inputChannel = null;
try {
inputChannel = new FileInputStream(new File(pathFrom)).getChannel();
outputChannel = new FileOutputStream(new File(pathTo)).getChannel();
inputChannel.transferTo(0, inputChannel.size(), outputChannel);
inputChannel.close();
} finally {
if (inputChannel != null) inputChannel.close();
if (outputChannel != null) outputChannel.close();
}
}
public static boolean isGifForSuffix(String suffix) {
return suffix != null && suffix.startsWith(".gif") || suffix.startsWith(".GIF");
}
/**
* 是否是gif
*
* @param mimeType
* @return
*/
public static boolean isGif(String mimeType) {
return mimeType != null && (mimeType.equals("image/gif") || mimeType.equals("image/GIF"));
}
/**
* 是否是网络图片
*
* @param path
* @return
*/
public static boolean isHttp(String path) {
if (!TextUtils.isEmpty(path)) {
if (path.startsWith("http")
|| path.startsWith("https")) {
return true;
}
}
return false;
}
/**
* Copies one file into the other with the given paths.
* In the event that the paths are the same, trying to copy one file to the other
* will cause both files to become null.
* Simply skipping this step if the paths are identical.
*/
public static boolean copyFile(FileInputStream fileInputStream, String outFilePath) throws IOException {
if (fileInputStream == null) {
return false;
}
FileChannel inputChannel = null;
FileChannel outputChannel = null;
try {
inputChannel = fileInputStream.getChannel();
outputChannel = new FileOutputStream(new File(outFilePath)).getChannel();
inputChannel.transferTo(0, inputChannel.size(), outputChannel);
inputChannel.close();
return true;
} catch (Exception e) {
return false;
} finally {
if (inputChannel != null) inputChannel.close();
if (outputChannel != null) outputChannel.close();
}
}
public static String extSuffix(InputStream input) {
try {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeStream(input, null, options);
return options.outMimeType.replace("image/", ".");
} catch (Exception e) {
return ".jpg";
}
}
/**
* 根据时间戳创建文件名
*
* @param prefix 前缀名
* @return
*/
public static String getCreateFileName(String prefix) {
long millis = System.currentTimeMillis();
return prefix + sf.format(millis);
}
}
