com.thoughtworks.xstream.persistence

Class AbstractFilePersistenceStrategy

java.lang.Object

com.thoughtworks.xstream.persistence.AbstractFilePersistenceStrategy

All Implemented Interfaces:

PersistenceStrategy

Direct Known Subclasses:

FilePersistenceStrategy, FileStreamStrategy

public abstract class AbstractFilePersistenceStrategy
extends Object
implements PersistenceStrategy

Abstract base class for file based persistence strategies.

Since:

1.3.1

Author:

Guilherme Silveira, Joerg Schaible

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	AbstractFilePersistenceStrategy.ValidFilenameFilter
protected class	AbstractFilePersistenceStrategy.XmlMapEntriesIterator

Constructor Summary

Constructors

Constructor and Description
AbstractFilePersistenceStrategy(File baseDirectory, XStream xstream, String encoding)

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(Object key)
protected abstract Object	extractKey(String name) Given a filename, the unescape method returns the key which originated it.
Object	get(Object key)
protected ConverterLookup	getConverterLookup()
protected Mapper	getMapper()
protected abstract String	getName(Object key) Given a key, the escape method returns the filename which shall be used.
protected boolean	isValid(File dir, String name)
Iterator	iterator()
Object	put(Object key, Object value)
Object	remove(Object key)
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractFilePersistenceStrategy

public AbstractFilePersistenceStrategy(File baseDirectory,
                                       XStream xstream,
                                       String encoding)

Method Detail

getConverterLookup

protected ConverterLookup getConverterLookup()

getMapper

protected Mapper getMapper()

isValid

protected boolean isValid(File dir,
                          String name)

extractKey

protected abstract Object extractKey(String name)

Given a filename, the unescape method returns the key which originated it.

Parameters:

name - the filename

Returns:

the original key

getName

protected abstract String getName(Object key)

Given a key, the escape method returns the filename which shall be used.

Parameters:

key - the key

Returns:

the desired and escaped filename

put

public Object put(Object key,
                  Object value)

Specified by:

put in interface PersistenceStrategy

iterator

public Iterator iterator()

Specified by:

iterator in interface PersistenceStrategy

size

public int size()

Specified by:

size in interface PersistenceStrategy

containsKey

public boolean containsKey(Object key)

get

public Object get(Object key)

Specified by:

get in interface PersistenceStrategy

remove

public Object remove(Object key)

Specified by:

remove in interface PersistenceStrategy