Package de.businesscode.bcdui.web.cacheControl

Class FileCachePersist

java.lang.Object

de.businesscode.bcdui.web.cacheControl.FileCachePersist

All Implemented Interfaces:

IServerCachePersist

public class FileCachePersist
extends java.lang.Object
implements IServerCachePersist

This class implements the file system based caching store.

Constructor Summary

Constructors

Constructor	Description
FileCachePersist()	Constructor

Method Summary

Modifier and Type	Method	Description
void	clean(java.lang.String prefix)	Method clean remove all cache items from the store depends on prefix
void	dropItem(java.lang.String prefix, java.lang.String key)	Method dropItem drop a single item, this method is necessary for clean job in case of occurred exception
java.io.InputStream	getInputStream(java.lang.String prefix, java.lang.String key)	Method getInputStream
long	getLastModified(java.lang.String prefix, java.lang.String key)	Method getLastModified
java.io.OutputStream	getOutputStream(java.lang.String prefix, java.lang.String key)	Method getOutputStream
boolean	isCached(java.lang.String prefix, java.lang.String key)	Method isCached
void	setAbsoluteFolderPath(java.lang.String absoluteFolderPath)	Method setAbsoluteFolderPath

Methods inherited from class java.lang.Object

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

Constructor Detail

FileCachePersist

public FileCachePersist()

Constructor

Method Detail

setAbsoluteFolderPath

public void setAbsoluteFolderPath(java.lang.String absoluteFolderPath)

Method setAbsoluteFolderPath

Parameters:

absoluteFolderPath -

clean

public void clean(java.lang.String prefix)
           throws java.lang.Exception

Description copied from interface: IServerCachePersist

Method clean
remove all cache items from the store depends on prefix

Specified by:

clean in interface IServerCachePersist

Throws:

java.lang.Exception

See Also:

IServerCachePersist.clean(String)

getInputStream

public java.io.InputStream getInputStream(java.lang.String prefix,
                                          java.lang.String key)
                                   throws java.lang.Exception

Description copied from interface: IServerCachePersist

Method getInputStream

Specified by:

getInputStream in interface IServerCachePersist

Returns:

input stream for reading item depends on prefix and key. The InputStream will be closed by caller

Throws:

java.lang.Exception

See Also:

IServerCachePersist.getInputStream(String, String)

getOutputStream

public java.io.OutputStream getOutputStream(java.lang.String prefix,
                                            java.lang.String key)
                                     throws java.lang.Exception

Description copied from interface: IServerCachePersist

Method getOutputStream

Specified by:

getOutputStream in interface IServerCachePersist

Returns:

output stream for creating a new item depends on prefix and key. The OutputStream will be closed by caller

Throws:

java.lang.Exception

See Also:

IServerCachePersist.getOutputStream(String, String)

dropItem

public void dropItem(java.lang.String prefix,
                     java.lang.String key)
              throws java.lang.Exception

Description copied from interface: IServerCachePersist

Method dropItem
drop a single item, this method is necessary for clean job in case of occurred exception

Specified by:

dropItem in interface IServerCachePersist

Throws:

java.lang.Exception

See Also:

IServerCachePersist.dropItem(String, String)

isCached

public boolean isCached(java.lang.String prefix,
                        java.lang.String key)
                 throws java.lang.Exception

Description copied from interface: IServerCachePersist

Method isCached

Specified by:

isCached in interface IServerCachePersist

Returns:

true if the item depends on prefix and key available in the store

Throws:

java.lang.Exception

See Also:

IServerCachePersist.isCached(String, String)

getLastModified

public long getLastModified(java.lang.String prefix,
                            java.lang.String key)
                     throws java.lang.Exception

Description copied from interface: IServerCachePersist

Method getLastModified

Specified by:

getLastModified in interface IServerCachePersist

Returns:

the long value represents the last modified timestamp in milliseconds

Throws:

java.lang.Exception

See Also:

IServerCachePersist.getLastModified(String, String)