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!56 适配filepicker URI返回值变更，修改读取文件及获取文件名后缀的方法

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Merge pull request !56 from HaixiangW/master
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openharmony_ci 2023-08-08 13:42:06 +00:00 committed by Gitee
commit b55e0bb4bd
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1 changed files with 27 additions and 76 deletions
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103
CertificateManager/product/phone/src/main/ets/model/FileIoModel.ets
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@ -1,5 +1,5 @@
/**
* Copyright (c) 2022 Huawei Device Co., Ltd.
* Copyright (c) 2022-2023 Huawei Device Co., Ltd.
* 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
@ -13,86 +13,37 @@
* limitations under the License.
*/
import fileio from '@ohos.fileio';
import mediaLibrary from '@ohos.multimedia.mediaLibrary';
import fileUri from '@ohos.file.fileuri';
import fs from '@ohos.file.fs';
export class FileIoModel {
media;
constructor() {
this.media = mediaLibrary.getMediaLibrary(globalThis.certManagerAbilityContext);
getMediaFileData(mediaUri, callback): void {
console.log('CertManager FA getMediaFile start');
try {
let file = fs.openSync(mediaUri, fs.OpenMode.READ_ONLY);
let stat = fs.statSync(file.fd);
let buf = new ArrayBuffer(Number(stat.size));
let num = fs.readSync(file.fd, buf);
fs.closeSync(file.fd);
console.log('CertManager FA getMediaFile success');
callback(new Uint8Array(buf));
} catch(err) {
console.error('CertManager FA getMediaFileData failed');
callback(undefined);
}
}
getMediaFileSuffix(mediaUri, callback): void {
console.log('getMediaFileSuffix start uri: ' + mediaUri);
let fileKeyObj = mediaLibrary.FileKey;
let fileType = mediaLibrary.MediaType.FILE;
let imageType = mediaLibrary.MediaType.IMAGE;
let videoType = mediaLibrary.MediaType.VIDEO;
let audioType = mediaLibrary.MediaType.AUDIO;
let imagesFetchOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ? or ' + fileKeyObj.MEDIA_TYPE + '= ? or ' +
fileKeyObj.MEDIA_TYPE + '= ? or ' + fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [fileType.toString(), imageType.toString(), videoType.toString(), audioType.toString()],
uri: mediaUri,
};
let suffix;
this.media.getFileAssets(imagesFetchOp, (error, fetchFileResult) => {
console.log('getMediaFile getFileAssets callback in fetchFileResult: ');
if (fetchFileResult !== undefined) {
fetchFileResult.getFirstObject(async (error, fileAsset) => {
console.log('getMediaFile getFileAssets callback getFirstObject: ');
if (fileAsset) {
console.log('getMediaFile getFileAssets fileAsset: ' + fileAsset.displayName);
suffix = fileAsset.displayName.substring(fileAsset.displayName.lastIndexOf('.') + 1);
callback(suffix);
} else {
console.log('getMediaFile getFileAssets callback getFirstObject else');
}
});
} else {
console.log('getMediaFile getFileAssets callback in else: ');
callback(undefined);
}
});
}
getMediaFileData(mediaUri, callback): void {
console.log('getMediaFile start');
let fileKeyObj = mediaLibrary.FileKey;
let fileType = mediaLibrary.MediaType.FILE;
let imageType = mediaLibrary.MediaType.IMAGE;
let videoType = mediaLibrary.MediaType.VIDEO;
let audioType = mediaLibrary.MediaType.AUDIO;
let imagesFetchOp = {
selections: fileKeyObj.MEDIA_TYPE + '= ? or ' + fileKeyObj.MEDIA_TYPE + '= ? or ' +
fileKeyObj.MEDIA_TYPE + '= ? or ' + fileKeyObj.MEDIA_TYPE + '= ?',
selectionArgs: [fileType.toString(), imageType.toString(), videoType.toString(), audioType.toString()],
uri: mediaUri,
};
let fd;
this.media.getFileAssets(imagesFetchOp, (error, fetchFileResult) => {
if (fetchFileResult !== undefined) {
fetchFileResult.getFirstObject(async (error, fileAsset) => {
console.log('getMediaFile getFileAssets fileAsset: ' + fileAsset.displayName);
if (fileAsset) {
let buf = new ArrayBuffer(Number(fileAsset.size));
fd = await fileAsset.open('r');
fileio.read(fd, buf, (err, data) => {
if (data) {
console.info('getMediaFile read file data exist ');
let dataArray:ArrayBuffer = data.buffer;
callback(new Uint8Array(dataArray));
} else {
console.info('getMediaFile read file data: null');
}
});
}
});
}
});
try {
console.log('CertManager FA getMediaFileSuffix start uri: ' + mediaUri);
// @ts-ignore
let uri = new fileUri.FileUri(mediaUri);
let suffix = uri.name.substring(uri.name.lastIndexOf('.') + 1);
callback(suffix);
} catch(err) {
console.error('CertManager FA getMediaFileSuffix failed');
callback(undefined);
}
}
}