jwo.utils
Class SecureProperties

java.lang.Object
  java.util.Dictionary
      java.util.Hashtable
          java.util.Properties
              jwo.utils.SecureProperties

All Implemented Interfaces:

Cloneable, Map, Serializable

public class SecureProperties

extends Properties

Stores an encrypted version of a properties hashtable.

Version:

2.1, 4th February, 2002

Author:

Jo Wood.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.Properties

defaults

Constructor Summary

SecureProperties()
Creates an empty and unencrypted property list with no default values.

SecureProperties(byte key)
Creates an empty property list with no default values.

SecureProperties(Properties defaults)
Creates an empty and unencrypted property list with the specified defaults.

SecureProperties(Properties defaults, byte key)
Creates an empty property list with the specified defaults.

Method Summary

void	load(InputStream inStream) Reads a property list (key and element pairs) from the input stream.
void	store(OutputStream out, String header) Writes this property list (key and element pairs) in this Properties table to the output stream in a format suitable for loading into a Properties table using the load method.

Methods inherited from class java.util.Properties

getProperty, getProperty, list, list, propertyNames, save, setProperty

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, hashCode, isEmpty, keys, keySet, put, putAll, rehash, remove, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SecureProperties

public SecureProperties()

Creates an empty and unencrypted property list with no default values.

SecureProperties

public SecureProperties(byte key)

Creates an empty property list with no default values.

Parameters:

key - Key for encryption.

SecureProperties

public SecureProperties(Properties defaults)

Creates an empty and unencrypted property list with the specified defaults.

Parameters:

defaults - Default properties.

SecureProperties

public SecureProperties(Properties defaults,
                        byte key)

Creates an empty property list with the specified defaults.

Parameters:

defaults - Default properties.

Method Detail

store

public void store(OutputStream out,
                  String header)

Writes this property list (key and element pairs) in this Properties table to the output stream in a format suitable for loading into a Properties table using the load method.

Parameters:

out - an output stream.

header - a description of the property list.

load

public void load(InputStream inStream)

Reads a property list (key and element pairs) from the input stream. The stream is assumed to be using the ISO 8859-1 character encoding.

Parameters:

inStream - Input stream containing property list.