com.googlecode.fascinator.storage.filesystem
Class FileSystemPayload

java.lang.Object
  com.googlecode.fascinator.common.storage.impl.GenericPayload
      com.googlecode.fascinator.storage.filesystem.FileSystemPayload

All Implemented Interfaces:

Payload

public class FileSystemPayload
extends GenericPayload

Constructor Summary

FileSystemPayload(String id, File payloadFile)

Method Summary

void	close() Close the input stream for this payload
Long	lastModified() Return the timestamp when the payload was last modified
InputStream	open() Gets the input stream to access the content for this payload
void	readExistingMetadata() Read metadata from disk into memory if it exists
Long	size() Return the size of the payload in byte
void	writeMetadata() Write metadata to disk, calculating/retrieving if it is not known yet

Methods inherited from class com.googlecode.fascinator.common.storage.impl.GenericPayload

getContentType, getId, getLabel, getType, hasMetaChanged, isLinked, setContentType, setId, setInputStream, setLabel, setLinked, setMetaChanged, setType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemPayload

public FileSystemPayload(String id,
                         File payloadFile)

Method Detail

readExistingMetadata

public void readExistingMetadata()

Read metadata from disk into memory if it exists

writeMetadata

public void writeMetadata()

Write metadata to disk, calculating/retrieving if it is not known yet

open

public InputStream open()
                 throws StorageException

Gets the input stream to access the content for this payload

Specified by:

open in interface Payload

Overrides:

open in class GenericPayload

Returns:

an input stream

Throws:

IOException - if there was an error reading the stream

StorageException

close

public void close()
           throws StorageException

Close the input stream for this payload

Specified by:

close in interface Payload

Overrides:

close in class GenericPayload

Throws:

StorageException - if there was an error closing the stream

lastModified

public Long lastModified()

Return the timestamp when the payload was last modified

Specified by:

lastModified in interface Payload

Overrides:

lastModified in class GenericPayload

size

public Long size()

Return the size of the payload in byte

Specified by:

size in interface Payload

Overrides:

size in class GenericPayload