org.lokra.seaweedfs.core

Class FileTemplate

java.lang.Object

org.lokra.seaweedfs.core.FileTemplate

All Implemented Interfaces:

org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean

public class FileTemplate
extends Object
implements org.springframework.beans.factory.InitializingBean, org.springframework.beans.factory.DisposableBean

Coinstack-storage file system operation template.

Author:

Chiho Sin

Constructor Summary

Constructors

Constructor and Description
FileTemplate(org.lokra.seaweedfs.core.Connection connection) Constructor.

Method Summary

Modifier and Type	Method and Description
void	afterPropertiesSet()
void	deleteFile(String fileId) Delete file.
void	deleteFiles(ArrayList<String> fileIds) Delete files.
void	destroy()
String	getCollection()
String	getDataCenter()
int	getDiffDataCenterCount()
int	getDiffRackCount()
FileHandleStatus	getFileStatus(String fileId) Get file status without file stream.
StreamResponse	getFileStream(String fileId) Get file stream, this is the faster method to get file stream from server.
String	getFileUrl(String fileId) Get file url, could get file directly from coinstack-storage volume server.
int	getSameRackCount()
StampResult	getStamp(String fileId) Get stamp information from coinstack.
String	getTimeToLive()
boolean	isLoadBalance()
boolean	isUsingPublicUrl()
FileHandleStatus	saveFileByStream(String fileName, InputStream stream) Save a file.
FileHandleStatus	saveFileByStream(String fileName, InputStream stream, org.apache.http.entity.ContentType contentType) Save a file.
LinkedHashMap<String,FileHandleStatus>	saveFilesByStreamMap(LinkedHashMap<String,InputStream> streamMap) Save files by stream map.
LinkedHashMap<String,FileHandleStatus>	saveFilesByStreamMap(LinkedHashMap<String,InputStream> streamMap, org.apache.http.entity.ContentType contentType) Save files by stream map.
void	setCollection(String collection)
void	setDataCenter(String dataCenter)
void	setDiffDataCenterCount(int diffDataCenterCount)
void	setDiffRackCount(int diffRackCount)
void	setLoadBalance(boolean loadBalance)
void	setSameRackCount(int sameRackCount)
void	setTimeToLive(String timeToLive)
void	setUsingPublicUrl(boolean usingPublicUrl)
FileHandleStatus	updateFileByStream(String fileId, String fileName, InputStream stream) Update file, if file id is not exist, it wouldn't throw any exception.
FileHandleStatus	updateFileByStream(String fileId, String fileName, InputStream stream, org.apache.http.entity.ContentType contentType) Update file, if file id is not exist, it wouldn't throw any exception.
VerifyFileResult	verifyFile(String fileId) Verify File Data with coinstack.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileTemplate

public FileTemplate(org.lokra.seaweedfs.core.Connection connection)

Constructor.

Parameters:

connection - Connection from file source.

Method Detail

saveFileByStream

public FileHandleStatus saveFileByStream(String fileName,
                                         InputStream stream)
                                  throws IOException

Save a file.

Parameters:

fileName - File name, that can be gzipped based on the file name extension and zip it.

stream - File stream.

Returns:

File status.

Throws:

IOException - Http connection is fail or server response within some error message.

saveFileByStream

public FileHandleStatus saveFileByStream(String fileName,
                                         InputStream stream,
                                         org.apache.http.entity.ContentType contentType)
                                  throws IOException

Save a file.

Parameters:

fileName - File name, that can be gzipped based on the file name extension and zip it.

stream - File stream.

contentType - File content type.

Returns:

File status.

Throws:

IOException - Http connection is fail or server response within some error message.

saveFilesByStreamMap

public LinkedHashMap<String,FileHandleStatus> saveFilesByStreamMap(LinkedHashMap<String,InputStream> streamMap)
                                                            throws IOException

Save files by stream map.

Parameters:

streamMap - Map of file name and file stream.

Returns:

Files status.

Throws:

IOException - Http connection is fail or server response within some error message.

saveFilesByStreamMap

public LinkedHashMap<String,FileHandleStatus> saveFilesByStreamMap(LinkedHashMap<String,InputStream> streamMap,
                                                                   org.apache.http.entity.ContentType contentType)
                                                            throws IOException

Save files by stream map.

Parameters:

streamMap - Map of file name and file stream.

contentType - File content type.

Returns:

Files status.

Throws:

IOException - Http connection is fail or server response within some error message.

deleteFile

public void deleteFile(String fileId)
                throws IOException

Delete file.

Parameters:

fileId - File id whatever file is not exist.

Throws:

IOException - Http connection is fail or server response within some error message.

deleteFiles

public void deleteFiles(ArrayList<String> fileIds)
                 throws IOException

Delete files.

Parameters:

fileIds - File id list whatever file is not exist.

Throws:

IOException - Http connection is fail or server response within some error message.

updateFileByStream

public FileHandleStatus updateFileByStream(String fileId,
                                           String fileName,
                                           InputStream stream,
                                           org.apache.http.entity.ContentType contentType)
                                    throws IOException

Update file, if file id is not exist, it wouldn't throw any exception.

Parameters:

fileId - File id whatever it is not exist.

fileName - File name.

stream - File stream.

contentType - File content type.

Returns:

Files status.

Throws:

IOException - Http connection is fail or server response within some error message.

updateFileByStream

public FileHandleStatus updateFileByStream(String fileId,
                                           String fileName,
                                           InputStream stream)
                                    throws IOException

Update file, if file id is not exist, it wouldn't throw any exception.

Parameters:

fileId - File id whatever it is not exist.

fileName - File name.

stream - File stream.

Returns:

Files status.

Throws:

IOException - Http connection is fail or server response within some error message.

getFileStream

public StreamResponse getFileStream(String fileId)
                             throws IOException

Get file stream, this is the faster method to get file stream from server.

Parameters:

fileId - File id.

Returns:

File stream cache in jvm.

Throws:

IOException - Http connection is fail or server response within some error message.

getFileStatus

public FileHandleStatus getFileStatus(String fileId)
                               throws IOException

Get file status without file stream.

Parameters:

fileId - File id.

Returns:

File status.

Throws:

IOException - Http connection is fail or server response within some error message.

verifyFile

public VerifyFileResult verifyFile(String fileId)
                            throws IOException

Verify File Data with coinstack.

Parameters:

fileId - File id.

Returns:

Verifying result.

Throws:

IOException - Http connection is fail or server response within some error message.

getStamp

public StampResult getStamp(String fileId)
                     throws IOException

Get stamp information from coinstack.

Parameters:

fileId - File id.

Returns:

Stamp information.

Throws:

IOException - Http connection is fail or server response within some error message.

getFileUrl

public String getFileUrl(String fileId)
                  throws IOException

Get file url, could get file directly from coinstack-storage volume server.

Parameters:

fileId - File id.

Returns:

File url.

Throws:

IOException - Http connection is fail or server response within some error message.

getSameRackCount

public int getSameRackCount()

setSameRackCount

public void setSameRackCount(int sameRackCount)

getDiffRackCount

public int getDiffRackCount()

setDiffRackCount

public void setDiffRackCount(int diffRackCount)

getDiffDataCenterCount

public int getDiffDataCenterCount()

setDiffDataCenterCount

public void setDiffDataCenterCount(int diffDataCenterCount)

getTimeToLive

public String getTimeToLive()

setTimeToLive

public void setTimeToLive(String timeToLive)

getDataCenter

public String getDataCenter()

setDataCenter

public void setDataCenter(String dataCenter)

getCollection

public String getCollection()

setCollection

public void setCollection(String collection)

isUsingPublicUrl

public boolean isUsingPublicUrl()

setUsingPublicUrl

public void setUsingPublicUrl(boolean usingPublicUrl)

isLoadBalance

public boolean isLoadBalance()

setLoadBalance

public void setLoadBalance(boolean loadBalance)

destroy

public void destroy()
             throws Exception

Specified by:

destroy in interface org.springframework.beans.factory.DisposableBean

Throws:

Exception

afterPropertiesSet

public void afterPropertiesSet()
                        throws Exception

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

Throws:

Exception