Package org.refcodes.filesystem.alt.s3

Class S3FileSystemImpl

java.lang.Object

org.refcodes.filesystem.alt.s3.S3FileSystemImpl

All Implemented Interfaces:

org.refcodes.component.Component, org.refcodes.component.Destroyable, org.refcodes.filesystem.FileSystem

public class S3FileSystemImpl
extends Object
implements org.refcodes.filesystem.FileSystem

TODO Update the file handle size after writing. Provide a size argument for stream based operations.

Nested Class Summary

Nested classes/interfaces inherited from interface org.refcodes.component.Destroyable

org.refcodes.component.Destroyable.DestroyAutomaton

Field Summary

Fields inherited from interface org.refcodes.filesystem.FileSystem

PATH_DELIMITER

Constructor Summary

Constructors

Constructor	Description
S3FileSystemImpl(String aBucketName, String aAccessKey, String aSecretKey)	Instantiates a new s 3 file system impl.
S3FileSystemImpl(String aBucketName, String aAccessKey, String aSecretKey, String aEndPoint)	Instantiates a new s 3 file system impl.

Method Summary

Modifier and Type	Method	Description
protected static void	clearBucket(com.amazonaws.services.s3.AmazonS3 aAmazonS3, String aBucketId)	Clears (removes all content from) an S3 bucket.
protected static com.amazonaws.services.s3.AmazonS3	createAmazonS3(String aAccessKey, String aSecretKey)	Creates an AmazonS3 "client".
static void	createBucket(com.amazonaws.services.s3.AmazonS3 aAmazonS3, String aBucketId)	Creates an S3 bucket.
org.refcodes.filesystem.FileHandle	createFile(String aKey)
org.refcodes.filesystem.FileHandle	createFile(String aPath, String aName)
static void	deleteBucket(com.amazonaws.services.s3.AmazonS3 aAmazonS3, String aBucketId)	Deletes an S3 bucket.
void	deleteFile(org.refcodes.filesystem.FileHandle aFileHandle)
protected static void	deleteS3Objects(com.amazonaws.services.s3.AmazonS3 aAmazonS3, String aBucketId, List<com.amazonaws.services.s3.model.S3ObjectSummary> aS3SummaryObjects)	Deletes the content described by the given S3ObjectSummary list from an S3 bucket.
void	destroy()
InputStream	fromFile(org.refcodes.filesystem.FileHandle aFromFileHandle)
void	fromFile(org.refcodes.filesystem.FileHandle aFileHandle, File aToFile)
void	fromFile(org.refcodes.filesystem.FileHandle aFromFileHandle, OutputStream aOutputStream)
protected String	getAmazonS3BucketName()	Retrieves the bucket name to be used.
protected com.amazonaws.services.s3.AmazonS3	getAmazonS3Client()	Retrieves the amazon S3 client to be used.
protected static com.amazonaws.services.s3.AmazonS3	getAmazonS3Client(File aConfigFile)	Retrieves an AmazonS3Client from a configuration file containing the access- and the secret key.
org.refcodes.filesystem.FileHandle	getFileHandle(String aKey)
org.refcodes.filesystem.FileHandle	getFileHandle(String aPath, String aName)
List<org.refcodes.filesystem.FileHandle>	getFileHandles(String aPath, boolean isRecursively)
boolean	hasFile(String aKey)	Checks for file.
boolean	hasFile(String aPath, String aName)
boolean	hasFile(org.refcodes.filesystem.FileHandle aFileHandle)
boolean	hasFiles(String aPath, boolean isRecursively)
org.refcodes.filesystem.FileHandle	moveFile(org.refcodes.filesystem.FileHandle aFileHandle, String aNewKey)
org.refcodes.filesystem.FileHandle	renameFile(org.refcodes.filesystem.FileHandle aFileHandle, String aNewName)
protected void	setAmazonS3BucketName(String aAmazonS3BucketName)	Sets the bucket name to be used.
OutputStream	toFile(org.refcodes.filesystem.FileHandle aToFileHandle)
void	toFile(org.refcodes.filesystem.FileHandle aFileHandle, byte[] aBuffer)
void	toFile(org.refcodes.filesystem.FileHandle aFileHandle, File aFile)
void	toFile(org.refcodes.filesystem.FileHandle aToFileHandle, InputStream aInputStream)

Methods inherited from class java.lang.Object

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

Constructor Detail

S3FileSystemImpl

public S3FileSystemImpl(String aBucketName,
                        String aAccessKey,
                        String aSecretKey)

Instantiates a new s 3 file system impl.

Parameters:

aBucketName - the bucket name

aAccessKey - the access key

aSecretKey - the secret key

S3FileSystemImpl

public S3FileSystemImpl(String aBucketName,
                        String aAccessKey,
                        String aSecretKey,
                        String aEndPoint)

Instantiates a new s 3 file system impl.

Parameters:

aBucketName - the bucket name

aAccessKey - the access key

aSecretKey - the secret key

aEndPoint - the end point

Method Detail

hasFile

public boolean hasFile(String aKey)
                throws org.refcodes.filesystem.IllegalKeyException,
                       org.refcodes.filesystem.NoListAccessException,
                       org.refcodes.filesystem.UnknownFileSystemException,
                       IOException

Checks for file.

Specified by:

hasFile in interface org.refcodes.filesystem.FileSystem

Parameters:

aKey - the key

Returns:

true, if successful

Throws:

org.refcodes.filesystem.IllegalKeyException - the illegal key exception

org.refcodes.filesystem.NoListAccessException - the no list access exception

org.refcodes.filesystem.UnknownFileSystemException - the unknown file system exception

IOException - Signals that an I/O exception has occurred.

hasFile

public boolean hasFile(String aPath,
                       String aName)
                throws org.refcodes.filesystem.IllegalPathException,
                       org.refcodes.filesystem.IllegalNameException,
                       org.refcodes.filesystem.NoListAccessException,
                       org.refcodes.filesystem.UnknownFileSystemException,
                       IOException

Specified by:

hasFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.IllegalPathException

org.refcodes.filesystem.IllegalNameException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

hasFile

public boolean hasFile(org.refcodes.filesystem.FileHandle aFileHandle)
                throws org.refcodes.filesystem.NoListAccessException,
                       org.refcodes.filesystem.UnknownFileSystemException,
                       IOException,
                       org.refcodes.filesystem.IllegalFileHandleException

Specified by:

hasFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.IllegalFileHandleException

createFile

public org.refcodes.filesystem.FileHandle createFile(String aKey)
                                              throws org.refcodes.filesystem.FileAlreadyExistsException,
                                                     org.refcodes.filesystem.NoCreateAccessException,
                                                     org.refcodes.filesystem.IllegalKeyException,
                                                     org.refcodes.filesystem.UnknownFileSystemException,
                                                     IOException,
                                                     org.refcodes.filesystem.NoListAccessException

Specified by:

createFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.FileAlreadyExistsException

org.refcodes.filesystem.NoCreateAccessException

org.refcodes.filesystem.IllegalKeyException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

createFile

public org.refcodes.filesystem.FileHandle createFile(String aPath,
                                                     String aName)
                                              throws org.refcodes.filesystem.FileAlreadyExistsException,
                                                     org.refcodes.filesystem.NoCreateAccessException,
                                                     org.refcodes.filesystem.IllegalNameException,
                                                     org.refcodes.filesystem.IllegalPathException,
                                                     org.refcodes.filesystem.UnknownFileSystemException,
                                                     IOException,
                                                     org.refcodes.filesystem.NoListAccessException

Specified by:

createFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.FileAlreadyExistsException

org.refcodes.filesystem.NoCreateAccessException

org.refcodes.filesystem.IllegalNameException

org.refcodes.filesystem.IllegalPathException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

getFileHandle

public org.refcodes.filesystem.FileHandle getFileHandle(String aKey)
                                                 throws org.refcodes.filesystem.NoListAccessException,
                                                        org.refcodes.filesystem.IllegalKeyException,
                                                        org.refcodes.filesystem.UnknownFileSystemException,
                                                        IOException,
                                                        org.refcodes.filesystem.UnknownKeyException

Specified by:

getFileHandle in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalKeyException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.UnknownKeyException

getFileHandle

public org.refcodes.filesystem.FileHandle getFileHandle(String aPath,
                                                        String aName)
                                                 throws org.refcodes.filesystem.NoListAccessException,
                                                        org.refcodes.filesystem.IllegalNameException,
                                                        org.refcodes.filesystem.IllegalPathException,
                                                        org.refcodes.filesystem.UnknownFileSystemException,
                                                        IOException,
                                                        org.refcodes.filesystem.UnknownKeyException

Specified by:

getFileHandle in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalNameException

org.refcodes.filesystem.IllegalPathException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.UnknownKeyException

fromFile

public void fromFile(org.refcodes.filesystem.FileHandle aFromFileHandle,
                     OutputStream aOutputStream)
              throws org.refcodes.filesystem.ConcurrentAccessException,
                     org.refcodes.filesystem.UnknownFileException,
                     org.refcodes.filesystem.NoReadAccessException,
                     org.refcodes.filesystem.UnknownFileSystemException,
                     IOException,
                     org.refcodes.filesystem.NoListAccessException,
                     org.refcodes.filesystem.IllegalFileHandleException

Specified by:

fromFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoReadAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

toFile

public void toFile(org.refcodes.filesystem.FileHandle aToFileHandle,
                   InputStream aInputStream)
            throws org.refcodes.filesystem.ConcurrentAccessException,
                   org.refcodes.filesystem.UnknownFileException,
                   org.refcodes.filesystem.NoWriteAccessException,
                   org.refcodes.filesystem.UnknownFileSystemException,
                   IOException,
                   org.refcodes.filesystem.NoListAccessException,
                   org.refcodes.filesystem.IllegalFileHandleException

Specified by:

toFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoWriteAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

fromFile

public InputStream fromFile(org.refcodes.filesystem.FileHandle aFromFileHandle)
                     throws org.refcodes.filesystem.ConcurrentAccessException,
                            org.refcodes.filesystem.UnknownFileException,
                            org.refcodes.filesystem.UnknownFileException,
                            org.refcodes.filesystem.NoReadAccessException,
                            org.refcodes.filesystem.UnknownFileSystemException,
                            IOException,
                            org.refcodes.filesystem.NoListAccessException,
                            org.refcodes.filesystem.IllegalFileHandleException

Specified by:

fromFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoReadAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

toFile

public OutputStream toFile(org.refcodes.filesystem.FileHandle aToFileHandle)
                    throws org.refcodes.filesystem.ConcurrentAccessException,
                           org.refcodes.filesystem.UnknownFileException,
                           org.refcodes.filesystem.NoWriteAccessException,
                           org.refcodes.filesystem.UnknownFileSystemException,
                           IOException,
                           org.refcodes.filesystem.IllegalFileHandleException

Specified by:

toFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoWriteAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.IllegalFileHandleException

fromFile

public void fromFile(org.refcodes.filesystem.FileHandle aFileHandle,
                     File aToFile)
              throws org.refcodes.filesystem.ConcurrentAccessException,
                     org.refcodes.filesystem.UnknownFileException,
                     org.refcodes.filesystem.NoReadAccessException,
                     org.refcodes.filesystem.UnknownFileSystemException,
                     IOException,
                     org.refcodes.filesystem.NoListAccessException,
                     org.refcodes.filesystem.IllegalFileHandleException

Specified by:

fromFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoReadAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

toFile

public void toFile(org.refcodes.filesystem.FileHandle aFileHandle,
                   File aFile)
            throws org.refcodes.filesystem.ConcurrentAccessException,
                   org.refcodes.filesystem.UnknownFileException,
                   org.refcodes.filesystem.NoWriteAccessException,
                   org.refcodes.filesystem.UnknownFileSystemException,
                   IOException,
                   org.refcodes.filesystem.NoListAccessException,
                   org.refcodes.filesystem.IllegalFileHandleException

Specified by:

toFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoWriteAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

toFile

public void toFile(org.refcodes.filesystem.FileHandle aFileHandle,
                   byte[] aBuffer)
            throws org.refcodes.filesystem.ConcurrentAccessException,
                   org.refcodes.filesystem.UnknownFileException,
                   org.refcodes.filesystem.NoWriteAccessException,
                   org.refcodes.filesystem.UnknownFileSystemException,
                   IOException,
                   org.refcodes.filesystem.NoListAccessException,
                   org.refcodes.filesystem.IllegalFileHandleException

Specified by:

toFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoWriteAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

renameFile

public org.refcodes.filesystem.FileHandle renameFile(org.refcodes.filesystem.FileHandle aFileHandle,
                                                     String aNewName)
                                              throws org.refcodes.filesystem.UnknownFileException,
                                                     org.refcodes.filesystem.ConcurrentAccessException,
                                                     org.refcodes.filesystem.FileAlreadyExistsException,
                                                     org.refcodes.filesystem.NoCreateAccessException,
                                                     org.refcodes.filesystem.NoDeleteAccessException,
                                                     org.refcodes.filesystem.IllegalNameException,
                                                     org.refcodes.filesystem.UnknownFileSystemException,
                                                     IOException,
                                                     org.refcodes.filesystem.NoListAccessException,
                                                     org.refcodes.filesystem.IllegalFileHandleException

Specified by:

renameFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.FileAlreadyExistsException

org.refcodes.filesystem.NoCreateAccessException

org.refcodes.filesystem.NoDeleteAccessException

org.refcodes.filesystem.IllegalNameException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

moveFile

public org.refcodes.filesystem.FileHandle moveFile(org.refcodes.filesystem.FileHandle aFileHandle,
                                                   String aNewKey)
                                            throws org.refcodes.filesystem.UnknownFileException,
                                                   org.refcodes.filesystem.ConcurrentAccessException,
                                                   org.refcodes.filesystem.FileAlreadyExistsException,
                                                   org.refcodes.filesystem.NoCreateAccessException,
                                                   org.refcodes.filesystem.NoDeleteAccessException,
                                                   org.refcodes.filesystem.IllegalKeyException,
                                                   org.refcodes.filesystem.UnknownFileSystemException,
                                                   IOException,
                                                   org.refcodes.filesystem.NoListAccessException,
                                                   org.refcodes.filesystem.IllegalFileHandleException

Specified by:

moveFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.FileAlreadyExistsException

org.refcodes.filesystem.NoCreateAccessException

org.refcodes.filesystem.NoDeleteAccessException

org.refcodes.filesystem.IllegalKeyException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

deleteFile

public void deleteFile(org.refcodes.filesystem.FileHandle aFileHandle)
                throws org.refcodes.filesystem.ConcurrentAccessException,
                       org.refcodes.filesystem.UnknownFileException,
                       org.refcodes.filesystem.NoDeleteAccessException,
                       org.refcodes.filesystem.UnknownFileSystemException,
                       IOException,
                       org.refcodes.filesystem.NoListAccessException,
                       org.refcodes.filesystem.IllegalFileHandleException

Specified by:

deleteFile in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.ConcurrentAccessException

org.refcodes.filesystem.UnknownFileException

org.refcodes.filesystem.NoDeleteAccessException

org.refcodes.filesystem.UnknownFileSystemException

IOException

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalFileHandleException

hasFiles

public boolean hasFiles(String aPath,
                        boolean isRecursively)
                 throws org.refcodes.filesystem.NoListAccessException,
                        org.refcodes.filesystem.IllegalPathException,
                        org.refcodes.filesystem.UnknownFileSystemException,
                        IOException

Specified by:

hasFiles in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.IllegalPathException

org.refcodes.filesystem.UnknownFileSystemException

IOException

getFileHandles

public List<org.refcodes.filesystem.FileHandle> getFileHandles(String aPath,
                                                               boolean isRecursively)
                                                        throws org.refcodes.filesystem.NoListAccessException,
                                                               org.refcodes.filesystem.UnknownPathException,
                                                               org.refcodes.filesystem.IllegalPathException,
                                                               org.refcodes.filesystem.UnknownFileSystemException,
                                                               IOException

Specified by:

getFileHandles in interface org.refcodes.filesystem.FileSystem

Throws:

org.refcodes.filesystem.NoListAccessException

org.refcodes.filesystem.UnknownPathException

org.refcodes.filesystem.IllegalPathException

org.refcodes.filesystem.UnknownFileSystemException

IOException

destroy

public void destroy()

Specified by:

destroy in interface org.refcodes.component.Destroyable

getAmazonS3BucketName

protected String getAmazonS3BucketName()

Retrieves the bucket name to be used.

Returns:

The bucket name.

setAmazonS3BucketName

protected void setAmazonS3BucketName(String aAmazonS3BucketName)

Sets the bucket name to be used.

Parameters:

aAmazonS3BucketName - The bucket name to be used.

getAmazonS3Client

protected com.amazonaws.services.s3.AmazonS3 getAmazonS3Client()

Retrieves the amazon S3 client to be used.

Returns:

The S3 client to be used.

createBucket

public static void createBucket(com.amazonaws.services.s3.AmazonS3 aAmazonS3,
                                String aBucketId)

Creates an S3 bucket.

Parameters:

aAmazonS3 - The AmazonS3 client.

aBucketId - The ID of the bucket to be created.

clearBucket

protected static void clearBucket(com.amazonaws.services.s3.AmazonS3 aAmazonS3,
                                  String aBucketId)

Clears (removes all content from) an S3 bucket.

Parameters:

aAmazonS3 - The AmazonS3 client.

aBucketId - The ID of the bucket to be cleared.

deleteBucket

public static void deleteBucket(com.amazonaws.services.s3.AmazonS3 aAmazonS3,
                                String aBucketId)

Deletes an S3 bucket.

Parameters:

aAmazonS3 - The AmazonS3 client.

aBucketId - The ID of the bucket to be deleted.

createAmazonS3

protected static com.amazonaws.services.s3.AmazonS3 createAmazonS3(String aAccessKey,
                                                                   String aSecretKey)

Creates an AmazonS3 "client".

Parameters:

aAccessKey - The according access key for accessing amazon AWS.

aSecretKey - The secret access key for accessing amazon AWS.

Returns:

The client represented by an AmazonS3 instance.

deleteS3Objects

protected static void deleteS3Objects(com.amazonaws.services.s3.AmazonS3 aAmazonS3,
                                      String aBucketId,
                                      List<com.amazonaws.services.s3.model.S3ObjectSummary> aS3SummaryObjects)

Deletes the content described by the given S3ObjectSummary list from an S3 bucket.

Parameters:

aAmazonS3 - The AmazonS3 client.

aBucketId - The ID of the bucket from which the objects are to be deleted.

aS3SummaryObjects - The S3ObjectSummary list describing the objects to be deleted.

getAmazonS3Client

protected static com.amazonaws.services.s3.AmazonS3 getAmazonS3Client(File aConfigFile)
                                                               throws IOException

Retrieves an AmazonS3Client from a configuration file containing the access- and the secret key.

Parameters:

aConfigFile - The configuration file used to configure the AmazonS3Client.

Returns:

An AmazonS3Client.

Throws:

IOException - In case there were problems reading the configuration file.