com.asakusafw.yaess.core

Interface Blob

All Known Implementing Classes:

FileBlob

public interface Blob

An abstract super interface of binary large objects.

Since:

0.8.0

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_FILE_EXTENSION The default file extension.

Method Summary

Modifier and Type	Method and Description
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.

Field Detail

DEFAULT_FILE_EXTENSION

static final String DEFAULT_FILE_EXTENSION

The default file extension.

See Also:

Constant Field Values

Method Detail

open

InputStream open()
          throws IOException

Returns an InputStream for obtaining the BLOB contents.

Returns:

the InputStream

Throws:

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

getSize

long getSize()
      throws IOException

Returns the object size in bytes.

Returns:

the object size in bytes

Throws:

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

getFileExtension

String getFileExtension()

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

Returns:

the file extension, never null