Package net.solarnetwork.node.backup

Class ZipStreamBackupResource

java.lang.Object

net.solarnetwork.node.backup.ZipStreamBackupResource

All Implemented Interfaces:

BackupResource

public class ZipStreamBackupResource
extends Object
implements BackupResource

A zip input stream backup resource.

Since:

1.46

Version:

1.2

Author:

matt

Constructor Summary

Constructors

Constructor	Description
ZipStreamBackupResource(InputStream stream, ZipEntry entry, String providerKey, String path)	Construct with values.

Method Summary

Modifier and Type	Method	Description
protected void	finalize()
String	getBackupPath()	Get a relative path to save this resource to in the backup.
InputStream	getInputStream()	Get an InputStream to the resource.
long	getModificationDate()	Get the modification date of the resource, in milliseconds since the epoch.
String	getProviderKey()	Get the key of the BackupResourceProvider that provided this resource.
String	getSha256Digest()	Get the expected SHA-256 digest of the resource content.

Methods inherited from class java.lang.Object

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

Constructor Details

ZipStreamBackupResource

public ZipStreamBackupResource(InputStream stream,
 ZipEntry entry,
 String providerKey,
 String path)

Construct with values.

Parameters:

stream - the zip archive stream

entry - the entry previously obtained from the zip archive

providerKey - the provider key

path - the path to use

Method Details

getProviderKey

public String getProviderKey()

Description copied from interface: BackupResource

Get the key of the BackupResourceProvider that provided this resource.

Specified by:

getProviderKey in interface BackupResource

Returns:

The provider key.

getBackupPath

public String getBackupPath()

Description copied from interface: BackupResource

Get a relative path to save this resource to in the backup.

This must be a URL-like path, using a forward slash to represent directories. For example, the a path could be some/path/here.txt.

Specified by:

getBackupPath in interface BackupResource

Returns:

the relative path

getInputStream

public InputStream getInputStream()
                           throws IOException

Description copied from interface: BackupResource

Get an InputStream to the resource.

Specified by:

getInputStream in interface BackupResource

Returns:

an InputStream to the data for the resource

Throws:

IOException - if any IO error occurs

getModificationDate

public long getModificationDate()

Description copied from interface: BackupResource

Get the modification date of the resource, in milliseconds since the epoch.

Specified by:

getModificationDate in interface BackupResource

Returns:

the modification date, or -1 if not known

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

getSha256Digest

public String getSha256Digest()

Description copied from interface: BackupResource

Get the expected SHA-256 digest of the resource content.

This value is meant to be used to verify the integrity of the content of the resource when read from BackupResource.getInputStream().

Specified by:

getSha256Digest in interface BackupResource

Returns:

the SHA-256 digest as a hex-encoded string, or null if not known