net.java.truelicense.core.io

Class PreferencesStore

java.lang.Object

net.java.truelicense.core.io.PreferencesStore

All Implemented Interfaces:

Sink, Source, Store

public final class PreferencesStore
extends Object
implements Store

A preferences (node) store.

Author:

Christian Schlichtherle

Field Summary

Fields inherited from interface net.java.truelicense.core.io.Store

BUFSIZE

Constructor Summary

Constructors

Constructor and Description
PreferencesStore(Preferences preferences)
PreferencesStore(Preferences prefs, String key)

Method Summary

Modifier and Type	Method and Description
byte[]	data()
void	data(byte[] data)
void	delete() Deletes the data.
boolean	exists() Returns true if and only if the data exists.
InputStream	input() Returns a new input stream for reading the binary data from this source.
boolean	isUserNode()
OutputStream	output() Returns a new output stream for writing the binary data to this sink.
void	sync()

Methods inherited from class java.lang.Object

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

Constructor Detail

PreferencesStore

public PreferencesStore(Preferences preferences)

PreferencesStore

public PreferencesStore(Preferences prefs,
                        String key)

Method Detail

data

@Nullable
public byte[] data()

data

public void data(@CheckForNull
                 byte[] data)

delete

public void delete()
            throws IOException

Description copied from interface: Store

Deletes the data.

Specified by:

delete in interface Store

Throws:

IOException

exists

public boolean exists()

Description copied from interface: Store

Returns true if and only if the data exists.

Specified by:

exists in interface Store

input

public InputStream input()
                  throws IOException

Description copied from interface: Source

Returns a new input stream for reading the binary data from this source.

Specified by:

input in interface Source

Throws:

IOException

isUserNode

public boolean isUserNode()

output

public OutputStream output()
                    throws IOException

Description copied from interface: Sink

Returns a new output stream for writing the binary data to this sink.

Specified by:

output in interface Sink

Throws:

IOException

sync

public void sync()
          throws IOException

Throws:

IOException