com.qcloud.cos.transfer

接口 Download

所有超级接口:

Transfer

所有已知实现类:

DownloadImpl

public interface Download
extends Transfer

Represents an asynchronous download from Qcloud COS.

See TransferManager for more information about creating transfers.

另请参阅:

TransferManager.download(com.qcloud.cos.model.GetObjectRequest, java.io.File)

嵌套类概要

从接口继承的嵌套类/接口 com.qcloud.cos.transfer.Transfer

Transfer.TransferState

方法概要

限定符和类型	方法和说明
void	abort() Cancels this download.
String	getBucketName() The name of the bucket where the object is being downloaded from.
String	getKey() The key under which this object was stored in Qcloud COS.
ObjectMetadata	getObjectMetadata() Returns the ObjectMetadata for the object being downloaded.
PersistableDownload	pause() Pause the current download operation and returns the information that can be used to resume the download at a later time.

从接口继承的方法 com.qcloud.cos.transfer.Transfer

addProgressListener, getDescription, getProgress, getState, isDone, removeProgressListener, waitForCompletion, waitForException

方法详细资料

getObjectMetadata

ObjectMetadata getObjectMetadata()

Returns the ObjectMetadata for the object being downloaded.

返回:

The ObjectMetadata for the object being downloaded.

getBucketName

String getBucketName()

The name of the bucket where the object is being downloaded from.

返回:

The name of the bucket where the object is being downloaded from.

getKey

String getKey()

The key under which this object was stored in Qcloud COS.

返回:

The key under which this object was stored in Qcloud COS.

abort

void abort()
    throws IOException

Cancels this download.

抛出:

IOException

pause

PersistableDownload pause()
                   throws PauseException

Pause the current download operation and returns the information that can be used to resume the download at a later time. Resuming a download would not perform ETag check as range get is performed for downloading the object's remaining contents. Resuming a download for an object encrypted using CryptoMode#StrictAuthenticatedEncryption would result in CosClientException as authenticity cannot be guaranteed for a range get operation.

抛出:

PauseException - If any errors were encountered while trying to pause the download.