com.haulmont.cuba.core.app.filestorage.amazon

Class AmazonS3FileStorage

java.lang.Object

com.haulmont.cuba.core.app.filestorage.amazon.AmazonS3FileStorage

All Implemented Interfaces:

FileStorageAPI

public class AmazonS3FileStorage
extends java.lang.Object
implements FileStorageAPI

Field Summary

Fields inherited from interface com.haulmont.cuba.core.app.FileStorageAPI

NAME

Constructor Summary

Constructors

Constructor and Description
AmazonS3FileStorage()

Method Summary

Modifier and Type	Method and Description
boolean	fileExists(FileDescriptor fileDescr) Tests whether the file denoted by this file descriptor exists.
byte[]	loadFile(FileDescriptor fileDescr) Load a file contents into byte array.
java.io.InputStream	openStream(FileDescriptor fileDescr) Return an input stream to load a file contents.
void	removeFile(FileDescriptor fileDescr) Remove a file from the file storage.
void	saveFile(FileDescriptor fileDescr, byte[] data) Save a byte array into file storage.
long	saveStream(FileDescriptor fileDescr, java.io.InputStream inputStream) Save an InputStream contents into file storage.

Methods inherited from class java.lang.Object

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

Constructor Detail

AmazonS3FileStorage

public AmazonS3FileStorage()

Method Detail

saveStream

public long saveStream(FileDescriptor fileDescr,
                       java.io.InputStream inputStream)
                throws FileStorageException

Description copied from interface: FileStorageAPI

Save an InputStream contents into file storage.

Specified by:

saveStream in interface FileStorageAPI

Parameters:

fileDescr - file descriptor

inputStream - input stream, must be closed in the calling code

Returns:

number of bytes saved

Throws:

FileStorageException - if something goes wrong

saveFile

public void saveFile(FileDescriptor fileDescr,
                     byte[] data)
              throws FileStorageException

Description copied from interface: FileStorageAPI

Save a byte array into file storage.

Specified by:

saveFile in interface FileStorageAPI

Parameters:

fileDescr - file descriptor

data - byte array

Throws:

FileStorageException - if something goes wrong

removeFile

public void removeFile(FileDescriptor fileDescr)
                throws FileStorageException

Description copied from interface: FileStorageAPI

Remove a file from the file storage.

Specified by:

removeFile in interface FileStorageAPI

Parameters:

fileDescr - file descriptor

Throws:

FileStorageException - if something goes wrong

openStream

public java.io.InputStream openStream(FileDescriptor fileDescr)
                               throws FileStorageException

Description copied from interface: FileStorageAPI

Return an input stream to load a file contents.

Specified by:

openStream in interface FileStorageAPI

Parameters:

fileDescr - file descriptor

Returns:

input stream, must be closed after use

Throws:

FileStorageException - if something goes wrong

loadFile

public byte[] loadFile(FileDescriptor fileDescr)
                throws FileStorageException

Description copied from interface: FileStorageAPI

Load a file contents into byte array.

Specified by:

loadFile in interface FileStorageAPI

Parameters:

fileDescr - file descriptor

Returns:

file contents

Throws:

FileStorageException - if something goes wrong

fileExists

public boolean fileExists(FileDescriptor fileDescr)

Description copied from interface: FileStorageAPI

Tests whether the file denoted by this file descriptor exists.

Specified by:

fileExists in interface FileStorageAPI

Parameters:

fileDescr - file descriptor

Returns:

true if the file denoted by this file descriptor exists