dk.netarkivet.common.distribute
Class NullRemoteFile

java.lang.Object
  dk.netarkivet.common.distribute.NullRemoteFile

All Implemented Interfaces:

RemoteFile, java.io.Serializable

public class NullRemoteFile
extends java.lang.Object
implements RemoteFile

This is an implementation of RemoteFile which does nothing and can therefore be used in batch jobs for which no output is required.

See Also:

Serialized Form

Constructor Summary

NullRemoteFile()

Method Summary

void	appendTo(java.io.OutputStream out) Write the contents of this remote file to an output stream.
void	cleanup() Cleanup this remote file.
void	copyTo(java.io.File destFile) Copy remotefile to local disk storage.
java.lang.String	getChecksum() Returns a MD5 Checksum on the file.
java.io.InputStream	getInputStream() Get an inputstream that contains the data transferred in this RemoteFile.
static RemoteFile	getInstance(java.io.File f, java.lang.Boolean useChecksums, java.lang.Boolean fileDeletable, java.lang.Boolean multipleDownloads)
java.lang.String	getName() Return the file name.
long	getSize() Returns the total size of the remote file.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullRemoteFile

public NullRemoteFile()

Method Detail

getInstance

public static RemoteFile getInstance(java.io.File f,
                                     java.lang.Boolean useChecksums,
                                     java.lang.Boolean fileDeletable,
                                     java.lang.Boolean multipleDownloads)

See Also:

RemoteFileFactory.getInstance(File, boolean, boolean, boolean)

copyTo

public void copyTo(java.io.File destFile)

Description copied from interface: RemoteFile

Copy remotefile to local disk storage. Used by the data recipient

Specified by:

copyTo in interface RemoteFile

Parameters:

destFile - local File

See Also:

RemoteFile.copyTo(File)

appendTo

public void appendTo(java.io.OutputStream out)

Description copied from interface: RemoteFile

Write the contents of this remote file to an output stream.

Specified by:

appendTo in interface RemoteFile

Parameters:

out - OutputStream that the data will be written to. This stream will not be closed by this operation.

See Also:

RemoteFile.appendTo(OutputStream)

getInputStream

public java.io.InputStream getInputStream()

Description copied from interface: RemoteFile

Get an inputstream that contains the data transferred in this RemoteFile.

Specified by:

getInputStream in interface RemoteFile

Returns:

A stream object with the data in the object. Note that the close() method of this may throw exceptions if e.g. a transmission error is detected.

cleanup

public void cleanup()

Description copied from interface: RemoteFile

Cleanup this remote file. The file is invalid after this.

Specified by:

cleanup in interface RemoteFile

See Also:

RemoteFile.cleanup()

getSize

public long getSize()

Description copied from interface: RemoteFile

Returns the total size of the remote file.

Specified by:

getSize in interface RemoteFile

Returns:

Size of the remote file.

See Also:

RemoteFile.getSize()

getName

public java.lang.String getName()

Return the file name.

Specified by:

getName in interface RemoteFile

Returns:

the file name

See Also:

RemoteFile.getName()

getChecksum

public java.lang.String getChecksum()
                             throws NotImplementedException

Returns a MD5 Checksum on the file.

Specified by:

getChecksum in interface RemoteFile

Returns:

MD5 checksum

Throws:

NotImplementedException - Because it is not implemented

See Also:

RemoteFile.getChecksum()