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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.components.store

Source Cross Reference

Class Diagram

Java Document (Java Doc)

org.apache.cocoon.components.store .FilesystemStore

FilesystemStore
final public class FilesystemStore extends AbstractLogEnabled implements Store,Contextualizable,Parameterizable,ThreadSafe(Code)
	Stores objects on the filesystem: String objects as text files, all other objects are serialized. org.apache.cocoon.components.store.impl.FilesystemStore author: ? author: Vadim Gritsenko version: CVS $Id: FilesystemStore.java 433543 2006-08-22 06:22:54Z crossley $

Inner Class :final class FSEnumeration implements Enumeration

Field Summary
protected File	cacheDir
final static int	characterCaseDiff
static BitSet	charactersDontNeedingEncoding
protected File	directoryFile
protected volatile String	directoryPath
protected File	workDir

Method Summary
protected void	addKeys(FSEnumeration fsEnum, File directory)
public synchronized boolean	containsKey(Object key) Indicates if the given key is associated to a contained object.
public void	contextualize(Context context)
protected int	countKeys(File directory)
protected String	decode(String filename) Inverse of encode exept it do not use path.
public String	encode(String s) Returns a String that uniquely identifies the object. Note: since this method uses the Object.toString() method, it's up to the caller to make sure that this method doesn't change between different JVM executions (like it may normally happen).
protected File	fileFromKey(Object key)
public synchronized void	free()
public synchronized Object	get(Object key) Get the File object associated with the given unique key name.
public String	getDirectoryPath()
public synchronized Object	getObject(Object key)
public String	getString(Object key)
public synchronized void	hold(Object key, Object value) Holds the given object in a volatile state.
public synchronized Enumeration	keys()
public void	parameterize(Parameters params)
public synchronized void	remove(Object key) Remove the object associated to the given key.
public void	setDirectory(String directory)
public void	setDirectory(File directory)
public synchronized int	size() Returns count of the objects in the store, or -1 if could not be obtained.
public synchronized void	store(Object key, Object value) Store the given object in a persistent state.

Field Detail

cacheDir
protected File cacheDir(Code)

characterCaseDiff
final static int characterCaseDiff(Code)

charactersDontNeedingEncoding
static BitSet charactersDontNeedingEncoding(Code)
	A BitSet defining the characters which don't need encoding

directoryFile
protected File directoryFile(Code)
	The directory repository

directoryPath
protected volatile String directoryPath(Code)

workDir
protected File workDir(Code)

Method Detail

addKeys
protected void addKeys(FSEnumeration fsEnum, File directory)(Code)

containsKey
public synchronized boolean containsKey(Object key)(Code)
	Indicates if the given key is associated to a contained object.

contextualize
public void contextualize(Context context) throws ContextException(Code)

countKeys
protected int countKeys(File directory)(Code)

decode
protected String decode(String filename)(Code)
	Inverse of encode exept it do not use path. So decode(encode(s) - m_path) = s. In other words it returns a String that can be used as key to retive the record contained in the 'filename' file.

encode
public String encode(String s)(Code)
	Returns a String that uniquely identifies the object. Note: since this method uses the Object.toString() method, it's up to the caller to make sure that this method doesn't change between different JVM executions (like it may normally happen). For this reason, it's highly recommended (even if not mandated) that Strings be used as keys.

fileFromKey
protected File fileFromKey(Object key)(Code)

free
public synchronized void free()(Code)

get
public synchronized Object get(Object key)(Code)
	Get the File object associated with the given unique key name.

getDirectoryPath
public String getDirectoryPath()(Code)
	Returns the repository's full pathname

getObject
public synchronized Object getObject(Object key) throws IOException, ClassNotFoundException(Code)

getString
public String getString(Object key) throws IOException(Code)

hold
public synchronized void hold(Object key, Object value) throws IOException(Code)
	Holds the given object in a volatile state.

keys
public synchronized Enumeration keys()(Code)
	Returns the list of stored files as an Enumeration of Files

parameterize
public void parameterize(Parameters params) throws ParameterException(Code)

remove
public synchronized void remove(Object key)(Code)
	Remove the object associated to the given key.

setDirectory
public void setDirectory(String directory) throws IOException(Code)
	Sets the repository's location

setDirectory
public void setDirectory(File directory) throws IOException(Code)
	Sets the repository's location

size
public synchronized int size()(Code)
	Returns count of the objects in the store, or -1 if could not be obtained.

store
public synchronized void store(Object key, Object value) throws IOException(Code)
	Store the given object in a persistent state. 1) Null values generate empty directories. 2) String values are dumped to text files 3) Object values are serialized

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