com.asakusafw.yaess.basic

Class FileBlob

java.lang.Object

com.asakusafw.yaess.basic.FileBlob

All Implemented Interfaces:

Blob

public class FileBlob
extends Object
implements Blob

An implementation of Blob which data is stored on a local file.

Since:

0.8.0

Field Summary

Fields inherited from interface com.asakusafw.yaess.core.Blob

DEFAULT_FILE_EXTENSION

Constructor Summary

Constructors

Constructor and Description
FileBlob(File file) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
File	getFile() Returns the file.
String	getFileExtension() Returns the file extension for this object.
long	getSize() Returns the object size in bytes.
InputStream	open() Returns an InputStream for obtaining the BLOB contents.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FileBlob

public FileBlob(File file)

Creates a new instance.

Parameters:

file - the target file

Method Detail

getFile

public File getFile()

Returns the file.

Returns:

the file

open

public InputStream open()
                 throws IOException

Description copied from interface: Blob

Returns an InputStream for obtaining the BLOB contents.

Specified by:

open in interface Blob

Returns:

the InputStream

Throws:

IOException - if I/O error was occurred while opening the contents

getSize

public long getSize()
             throws IOException

Description copied from interface: Blob

Returns the object size in bytes.

Specified by:

getSize in interface Blob

Returns:

the object size in bytes

Throws:

IOException - if I/O error was occurred while obtaining the object size

getFileExtension

public String getFileExtension()

Description copied from interface: Blob

Returns the file extension for this object. If the target BLOB has no explicit file extension, the Blob.DEFAULT_FILE_EXTENSION will be returned.

Specified by:

getFileExtension in interface Blob

Returns:

the file extension, never null

toString

public String toString()

Overrides:

toString in class Object