/*
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* Copyright (C) 2007-2008 OpenIntents.org
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.yalantis.ucrop.util;
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import android.annotation.SuppressLint;
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import android.content.ContentUris;
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import android.content.Context;
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import android.database.Cursor;
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import android.graphics.BitmapFactory;
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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.text.TextUtils;
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import android.text.format.DateUtils;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.channels.FileChannel;
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import java.text.SimpleDateFormat;
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import java.util.Locale;
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/**
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* @author Peli
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* @author paulburke (ipaulpro)
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* @version 2013-12-11
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*/
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public class FileUtils {
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private static SimpleDateFormat sf = new SimpleDateFormat("yyyyMMdd_HHmmssSS");
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/**
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* TAG for log messages.
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*/
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static final String TAG = "FileUtils";
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private FileUtils() {
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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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* @author paulburke
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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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* @author paulburke
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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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* @author paulburke
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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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* @param uri The Uri to check.
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* @return Whether the Uri authority is Google Photos.
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*/
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public static boolean isGooglePhotosUri(Uri uri) {
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return "com.google.android.apps.photos.content".equals(uri.getAuthority());
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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 context The context.
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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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* @author paulburke
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*/
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public static String getDataColumn(Context context, 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 = {
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column
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};
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try {
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cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
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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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} catch (IllegalArgumentException ex) {
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Log.i(TAG, String.format(Locale.getDefault(), "getDataColumn: _data - [%s]", ex.getMessage()));
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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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}
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return null;
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}
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/**
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* Get a file path from a Uri. This will get the the path for Storage Access
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* Framework Documents, as well as the _data field for the MediaStore and
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* other file-based ContentProviders.<br>
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* <br>
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* Callers should check whether the path is local before assuming it
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* represents a local file.
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*
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* @param context The context.
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* @param uri The Uri to query.
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* @author paulburke
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*/
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@SuppressLint("NewApi")
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public static String getPath(final Context context, final Uri uri) {
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final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
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// DocumentProvider
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if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
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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 context
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.getExternalFilesDir(Environment.DIRECTORY_PICTURES) + "/" + split[1];
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}
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// TODO handle non-primary volumes
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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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}
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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[]{
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split[1]
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};
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return getDataColumn(context, 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 the remote address
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if (isGooglePhotosUri(uri)) {
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return uri.getLastPathSegment();
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}
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return getDataColumn(context, 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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/**
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* Copies one file into the other with the given paths.
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* In the event that the paths are the same, trying to copy one file to the other
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* will cause both files to become null.
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* Simply skipping this step if the paths are identical.
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*/
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public static void copyFile(@NonNull String pathFrom, @NonNull String pathTo) throws IOException {
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if (pathFrom.equalsIgnoreCase(pathTo)) {
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return;
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}
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FileChannel outputChannel = null;
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FileChannel inputChannel = null;
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try {
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inputChannel = new FileInputStream(new File(pathFrom)).getChannel();
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outputChannel = new FileOutputStream(new File(pathTo)).getChannel();
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inputChannel.transferTo(0, inputChannel.size(), outputChannel);
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inputChannel.close();
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} finally {
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if (inputChannel != null) inputChannel.close();
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if (outputChannel != null) outputChannel.close();
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}
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}
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public static boolean isGifForSuffix(String suffix) {
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return suffix != null && suffix.startsWith(".gif") || suffix.startsWith(".GIF");
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}
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/**
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* 是否是gif
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*
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* @param mimeType
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* @return
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*/
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public static boolean isGif(String mimeType) {
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return mimeType != null && (mimeType.equals("image/gif") || mimeType.equals("image/GIF"));
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}
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/**
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* 是否是网络图片
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*
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* @param path
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* @return
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*/
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public static boolean isHttp(String path) {
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if (!TextUtils.isEmpty(path)) {
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if (path.startsWith("http")
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|| path.startsWith("https")) {
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return true;
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}
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}
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return false;
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}
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/**
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* Copies one file into the other with the given paths.
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* In the event that the paths are the same, trying to copy one file to the other
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* will cause both files to become null.
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* Simply skipping this step if the paths are identical.
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*/
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public static boolean copyFile(FileInputStream fileInputStream, String outFilePath) throws IOException {
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if (fileInputStream == null) {
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return false;
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}
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FileChannel inputChannel = null;
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FileChannel outputChannel = null;
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try {
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inputChannel = fileInputStream.getChannel();
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outputChannel = new FileOutputStream(new File(outFilePath)).getChannel();
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inputChannel.transferTo(0, inputChannel.size(), outputChannel);
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inputChannel.close();
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return true;
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} catch (Exception e) {
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return false;
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} finally {
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if (inputChannel != null) inputChannel.close();
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if (outputChannel != null) outputChannel.close();
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}
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}
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public static String extSuffix(InputStream input) {
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try {
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BitmapFactory.Options options = new BitmapFactory.Options();
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options.inJustDecodeBounds = true;
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BitmapFactory.decodeStream(input, null, options);
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return options.outMimeType.replace("image/", ".");
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} catch (Exception e) {
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return ".jpg";
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}
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}
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/**
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* 根据时间戳创建文件名
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*
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* @param prefix 前缀名
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* @return
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*/
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public static String getCreateFileName(String prefix) {
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long millis = System.currentTimeMillis();
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return prefix + sf.format(millis);
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}
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/**
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* 根据时间戳创建文件名
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*
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* @param prefix 前缀名
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* @return
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*/
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public static String getCreateFileName() {
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long millis = System.currentTimeMillis();
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return sf.format(millis);
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}
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/**
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* 获取图片后缀
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*
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* @param path
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* @return
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*/
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public static String getLastImgType(String path) {
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try {
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int index = path.lastIndexOf(".");
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if (index > 0) {
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String imageType = path.substring(index);
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switch (imageType) {
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case ".png":
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case ".PNG":
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case ".jpg":
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case ".jpeg":
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case ".JPEG":
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case ".WEBP":
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case ".bmp":
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case ".BMP":
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case ".webp":
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case ".gif":
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case ".GIF":
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return imageType;
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default:
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return ".png";
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}
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} else {
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return ".png";
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}
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} catch (Exception e) {
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e.printStackTrace();
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return ".png";
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}
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}
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/**
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* 获取图片mimeType
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*
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* @param path
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* @return
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*/
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public static String getImageMimeType(String path) {
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try {
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if (!TextUtils.isEmpty(path)) {
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File file = new File(path);
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String fileName = file.getName();
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int last = fileName.lastIndexOf(".") + 1;
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String temp = fileName.substring(last);
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return "image/" + temp;
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}
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} catch (Exception e) {
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e.printStackTrace();
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return "image/jpeg";
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}
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return "image/jpeg";
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}
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/**
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* 是否是视频
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*
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* @param mimeType
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* @return
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*/
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public final static String MIME_TYPE_PREFIX_VIDEO = "video";
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public static boolean eqVideo(String mimeType) {
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return mimeType != null && mimeType.startsWith(MIME_TYPE_PREFIX_VIDEO);
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}
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/**
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* 是否是图片
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*
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* @param mimeType
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* @return
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*/
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public final static String MIME_TYPE_PREFIX_IMAGE = "image";
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public static boolean eqImage(String mimeType) {
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return mimeType != null && mimeType.startsWith(MIME_TYPE_PREFIX_IMAGE);
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}
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/**
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* 重命名相册拍照
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*
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* @param fileName
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* @return
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*/
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public static String rename(String fileName) {
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String temp = fileName.substring(0, fileName.lastIndexOf("."));
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String suffix = fileName.substring(fileName.lastIndexOf("."));
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return new StringBuffer().append(temp).append("_").append(getCreateFileName()).append(suffix).toString();
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}
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}
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