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org.roller.presentation.website
Class ThemeCache  

java.lang.Object
  org.roller.presentation.website.ThemeCache

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public class ThemeCache

extends java.lang.Object

Caches the Theme files to avoid repeated reading of the files from the harddrive.

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Field Summary
private static Cache	cache
private static java.lang.String	cacheName
private static boolean	cacheTemplateFiles           Should the PreviewResourceLoader cache the Template files.
private  long	expireInterval           How long until an object in cache expires.
private static ThemeCache	INSTANCE
private static int	maxObjects           How many objects to store in cache.

 

Constructor Summary
private	ThemeCache()           Private constructor to prevent outside instantiation

 

Method Summary
private  Cache	getCache()           Get Cache from Commons CacheSingleton.
java.lang.String[]	getFileList(java.lang.String themeDir)           The list of files in a Theme is cached as a String[], the key being the Theme location itself.
java.lang.String	getFromCache(java.lang.String themeName, java.lang.String fileName)           Null will be returned if there is a problem or if caching is "turned off".
static ThemeCache	getInstance()
java.lang.String	putIntoCache(java.lang.String themeName, java.lang.String fileName, java.lang.String template)
void	removeFromCache(java.lang.String themeName, java.lang.String fileName)
java.lang.String[]	setFileList(java.lang.String themeDir, java.lang.String[] fileNames)           The list of files in a Theme is cached as a String[], the key being the Theme location itself.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

INSTANCE

private static ThemeCache INSTANCE

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cacheName

private static java.lang.String cacheName

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cache

private static Cache cache

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maxObjects

private static int maxObjects

How many objects to store in cache.

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expireInterval

private long expireInterval

How long until an object in cache expires.

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cacheTemplateFiles

private static boolean cacheTemplateFiles

Should the PreviewResourceLoader cache the Template files.

Constructor Detail

ThemeCache

private ThemeCache()

Private constructor to prevent outside instantiation

Method Detail

getCache

private Cache getCache()

Get Cache from Commons CacheSingleton. If one happens to not exist yet, make one.

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getInstance

public static ThemeCache getInstance()

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putIntoCache

public java.lang.String putIntoCache(java.lang.String themeName,
                                     java.lang.String fileName,
                                     java.lang.String template)

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getFromCache

public java.lang.String getFromCache(java.lang.String themeName,
                                     java.lang.String fileName)

Null will be returned if there is a problem or if caching is "turned off".

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removeFromCache

public void removeFromCache(java.lang.String themeName,
                            java.lang.String fileName)

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setFileList

public java.lang.String[] setFileList(java.lang.String themeDir,
                                      java.lang.String[] fileNames)

The list of files in a Theme is cached as a String[], the key being the Theme location itself.

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getFileList

public java.lang.String[] getFileList(java.lang.String themeDir)

The list of files in a Theme is cached as a String[], the key being the Theme location itself. If caching is turned off this will return null.

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