org.duracloud.chunk.writer

Class FilesystemContentWriter

java.lang.Object

org.duracloud.chunk.writer.FilesystemContentWriter

All Implemented Interfaces:

ContentWriter

public class FilesystemContentWriter
extends Object
implements ContentWriter

This class implements the ContentWriter interface to write the provided content to a local filesystem.

Author:

Andrew Woods Date: Feb 5, 2010

Constructor Summary

Constructors

Constructor and Description
FilesystemContentWriter()

Method Summary

Methods

Modifier and Type	Method and Description
List<AddContentResult>	getResults() This method returns the results of the content write requests.
void	ignore(String spaceId, String contentId, long contentSize) This method helps with the book-keeping of which files are ignored.
ChunksManifest	write(String spaceId, ChunkableContent chunkable) This method implements the ContentWriter interface for writing content to a DataStore.
ChunksManifest	write(String spaceId, ChunkableContent chunkable, Map<String,String> contentProperties) This method implements the ContentWriter interface for writing content to a DataStore.
String	writeSingle(String spaceId, String chunkChecksum, ChunkInputStream chunk) This method writes the arg Chunk to the arg space.
String	writeSingle(String spaceId, String chunkChecksum, ChunkInputStream chunk, Map<String,String> properties) This method implements the ContentWriter interface for writing content to a DataStore.

Methods inherited from class java.lang.Object

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

Constructor Detail

FilesystemContentWriter

public FilesystemContentWriter()

Method Detail

getResults

public List<AddContentResult> getResults()

This method returns the results of the content write requests.

Specified by:

getResults in interface ContentWriter

Returns:

List of results

ignore

public void ignore(String spaceId,
          String contentId,
          long contentSize)

Description copied from interface: ContentWriter

This method helps with the book-keeping of which files are ignored.

Specified by:

ignore in interface ContentWriter

Parameters:

spaceId - destination where arg content was assigned to be written

contentId - of content

contentSize - of content

write

public ChunksManifest write(String spaceId,
                   ChunkableContent chunkable)
                     throws NotFoundException

This method implements the ContentWriter interface for writing content to a DataStore. In this case, the DataStore is a local filesystem. The arg spaceId is the path to the destination directory.

Specified by:

write in interface ContentWriter

Parameters:

spaceId - destination where arg chunkable content will be written

contentProperties - user defined properties to be associated with content.

chunkable - content to be written

Returns:

ChunksManifest of written content

Throws:

NotFoundException - on error

write

public ChunksManifest write(String spaceId,
                   ChunkableContent chunkable,
                   Map<String,String> contentProperties)
                     throws NotFoundException

This method implements the ContentWriter interface for writing content to a DataStore. In this case, the DataStore is a local filesystem. The arg spaceId is the path to the destination directory.

Specified by:

write in interface ContentWriter

Parameters:

spaceId - destination where arg chunkable content will be written

contentProperties - user defined properties to be associated with content.

chunkable - content to be written

Returns:

ChunksManifest of written content

Throws:

NotFoundException - on error

writeSingle

public String writeSingle(String spaceId,
                 String chunkChecksum,
                 ChunkInputStream chunk,
                 Map<String,String> properties)
                   throws NotFoundException

This method implements the ContentWriter interface for writing content to a DataStore. In this case, the DataStore is a local filesystem. The arg spaceId is the path to the destination directory.

Specified by:

writeSingle in interface ContentWriter

Parameters:

spaceId - destination where arg chunk content will be written

chunk - content to be written

properties - user-defined properties associated with content

chunkChecksum - md5 checksum of the chunk if known, null otherwise

Returns:

MD5 of content

Throws:

NotFoundException

writeSingle

public String writeSingle(String spaceId,
                 String chunkChecksum,
                 ChunkInputStream chunk)
                   throws NotFoundException

Description copied from interface: ContentWriter

This method writes the arg Chunk to the arg space. It is intended for use when when the arg chunk is actually a complete piece of content

Specified by:

writeSingle in interface ContentWriter

Parameters:

spaceId - destination where arg chunk content will be written

chunkChecksum - md5 checksum of the chunk if known, null otherwise

chunk - content to be written

Returns:

MD5 of content

Throws:

NotFoundException - on error