net.sf.mmm.crypto.io

Class CryptoFileResource

java.lang.Object

net.sf.mmm.crypto.io.CryptoFileResource

All Implemented Interfaces:

CryptoResource

public class CryptoFileResource
extends Object
implements CryptoResource

Implementation of CryptoResource for a File.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
private File	file

Constructor Summary

Constructors

Constructor and Description
CryptoFileResource(File file) The constructor.

Method Summary

Modifier and Type	Method and Description
private void	ensureExists()
boolean	exists()
File	getFile()
String	getUri()
InputStream	openInputStream()
OutputStream	openOutputStream()
private void	verifyNotDirectory()

Methods inherited from class java.lang.Object

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

Field Detail

file

private final File file

Constructor Detail

CryptoFileResource

public CryptoFileResource(File file)

The constructor.

Parameters:

file - the File pointing to the data resource.

Method Detail

getFile

public File getFile()

Returns:

the wrapped File.

exists

public boolean exists()

Specified by:

exists in interface CryptoResource

Returns:

true if this resource already exists, false otherwise.

ensureExists

private void ensureExists()

verifyNotDirectory

private void verifyNotDirectory()

getUri

public String getUri()

Specified by:

getUri in interface CryptoResource

Returns:

the URI of this resource.

openInputStream

public InputStream openInputStream()

Specified by:

openInputStream in interface CryptoResource

Returns:

a new InputStream to read this resource.

openOutputStream

public OutputStream openOutputStream()

Specified by:

openOutputStream in interface CryptoResource

Returns:

a new OutputStream to write to this resource. If the resource already exists the data written to the OutputStream will overwrite all existing data. Otherwise (if not yet exists) it will be created.