// Initialize TransferConfig. The default configuration is used here. If you need to customize it, see the SDK API documentation.
// By default, files larger than or equal to 2 MB are automatically uploaded in parts, with a part size of -1 MB. You can modify the part size threshold using the following code.
TransferConfig transferConfig = new TransferConfig.Builder()
        // Set the minimum object size to enable multipart upload. The default is 2 MB.
        .setDivisionForUpload(2097152)
        // Set the part size for multipart upload. The default is 1 MB.
        .setSliceSizeForUpload(1048576)
        // Set whether to force simple upload and disable multipart upload.
        .setForceSimpleUpload(false)
        .build();
// Initialize TransferManager
TransferManager transferManager = new TransferManager(cosXmlService,
        transferConfig);

// A bucket name consists of bucketname-appid. You must include the appid. You can view bucket names in the COS console. https://console.tencentcloud.com/cos5/bucket
String bucket = "examplebucket-1250000000";
String cosPath = "exampleobject"; // The location identifier of the object in the bucket, i.e., the object key.
String srcPath = new File(context.getCacheDir(), "exampleobject")
        .toString(); // The absolute path of the local file.
// If an UploadId for initializing multipart upload exists, assign the corresponding uploadId value for resuming the upload. Otherwise, assign null.
String uploadId = null;

PutObjectRequest putObjectRequest = new PutObjectRequest(bucket, cosPath, srcPath);
// Set the single-link speed limit in bits per second. The example sets it to 1 MB/s.
putObjectRequest.setTrafficLimit(1024 * 1024 * 8);

// Upload documents.
COSXMLUploadTask cosxmlUploadTask = transferManager.upload(putObjectRequest, uploadId);

// Set the upload progress callback
cosxmlUploadTask.setCosXmlProgressListener(new CosXmlProgressListener() {
    @Override
    public void onProgress(long complete, long target) {
        // todo Do something to update progress...
    }
});
// Set the result callback
cosxmlUploadTask.setCosXmlResultListener(new CosXmlResultListener() {
    @Override
    public void onSuccess(CosXmlRequest request, CosXmlResult result) {
        COSXMLUploadTask.COSXMLUploadTaskResult uploadResult =
                (COSXMLUploadTask.COSXMLUploadTaskResult) result;
    }

    // If you call the API using kotlin, note that the exception in the callback method must be nullable. Otherwise, the onFail method will not be called, as follows:
    // The type of clientException is CosXmlClientException?, and the type of serviceException is CosXmlServiceException?
    @Override
    public void onFail(CosXmlRequest request,
                       @Nullable CosXmlClientException clientException,
                       @Nullable CosXmlServiceException serviceException) {
        if (clientException != null) {
            clientException.printStackTrace();
        } else {
            serviceException.printStackTrace();
        }
    }
});
// Set the task status callback to view the task progress.
cosxmlUploadTask.setTransferStateListener(new TransferStateListener() {
    @Override
    public void onStateChanged(TransferState state) {
        // todo notify transfer state
    }
});

//.cssg-snippet-body-start:[transfer-download-object]
// The advanced download API supports resumable transfer. Therefore, it sends a HEAD request before downloading to obtain file information.
// If you are using a temporary key or accessing with a sub-account, ensure that the permission list includes the HeadObject permission.

// A bucket name consists of bucketname-appid. You must include the appid. You can view bucket names in the COS console. https://console.tencentcloud.com/cos5/bucket
String bucket = "examplebucket-1250000000";
String cosPath = "exampleobject"; // The location identifier of the object in the bucket, i.e., the object key.
// Local directory path
String savePathDir = context.getExternalCacheDir().toString();
// The file name saved locally. If left blank (null), it will be the same as the file name on COS.
String savedFileName = "exampleobject";

GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, cosPath, savePathDir, savedFileName);
// Set the single-link speed limit in bits per second. The example sets it to 1 MB/s.
getObjectRequest.setTrafficLimit(1024 * 1024 * 8);

Context applicationContext = context.getApplicationContext(); // application
// context
COSXMLDownloadTask cosxmlDownloadTask =
        transferManager.download(applicationContext, getObjectRequest);

// Set the download progress callback
cosxmlDownloadTask.setCosXmlProgressListener(new CosXmlProgressListener() {
    @Override
    public void onProgress(long complete, long target) {
        // todo Do something to update progress...
    }
});
// Set the result callback
cosxmlDownloadTask.setCosXmlResultListener(new CosXmlResultListener() {
    @Override
    public void onSuccess(CosXmlRequest request, CosXmlResult result) {
        COSXMLDownloadTask.COSXMLDownloadTaskResult downloadTaskResult =
                (COSXMLDownloadTask.COSXMLDownloadTaskResult) result;
    }

    // If you call the API using kotlin, note that the exception in the callback method must be nullable. Otherwise, the onFail method will not be called, as follows:
    // The type of clientException is CosXmlClientException?, and the type of serviceException is CosXmlServiceException?
    @Override
    public void onFail(CosXmlRequest request,
                       @Nullable CosXmlClientException clientException,
                       @Nullable CosXmlServiceException serviceException) {
        if (clientException != null) {
            clientException.printStackTrace();
        } else {
            serviceException.printStackTrace();
        }
    }
});
// Set the task status callback to view the task progress.
cosxmlDownloadTask.setTransferStateListener(new TransferStateListener() {
    @Override
    public void onStateChanged(TransferState state) {
        // todo notify transfer state
    }
});