org.mortbay.jetty
Class ResourceCache

java.lang.Object
  org.mortbay.component.AbstractLifeCycle
      org.mortbay.jetty.ResourceCache

All Implemented Interfaces:

LifeCycle, Serializable

public class ResourceCache

extends AbstractLifeCycle

implements Serializable

Author:

Greg Wilkins

See Also:

Serialized Form

Nested Class Summary

class

ResourceCache.Content MetaData associated with a context Resource.

Field Summary

protected Map	_cache
protected int	_cachedFiles
protected int	_cacheSize
protected ResourceCache.Content	_leastRecentlyUsed
protected ResourceCache.Content	_mostRecentlyUsed

Constructor Summary

ResourceCache(MimeTypes mimeTypes)
Constructor.

Method Summary

void	doStart()
void	doStop() Stop the context.
protected void	fill(ResourceCache.Content content)
void	flushCache()
int	getMaxCachedFiles()
int	getMaxCachedFileSize()
int	getMaxCacheSize()
ResourceCache.Content	lookup(String pathInContext, ResourceFactory factory) Get a Entry from the cache.
void	setMaxCachedFiles(int maxCachedFiles)
void	setMaxCachedFileSize(int maxCachedFileSize)
void	setMaxCacheSize(int maxCacheSize)

Methods inherited from class org.mortbay.component.AbstractLifeCycle

isFailed, isRunning, isStarted, isStarting, isStopping, start, stop

Methods inherited from class java.lang.Object

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

Field Detail

_cache

protected transient Map _cache

_cacheSize

protected transient int _cacheSize

_cachedFiles

protected transient int _cachedFiles

_mostRecentlyUsed

protected transient ResourceCache.Content _mostRecentlyUsed

_leastRecentlyUsed

protected transient ResourceCache.Content _leastRecentlyUsed

Constructor Detail

ResourceCache

public ResourceCache(MimeTypes mimeTypes)

Constructor.

Method Detail

getMaxCachedFileSize

public int getMaxCachedFileSize()

setMaxCachedFileSize

public void setMaxCachedFileSize(int maxCachedFileSize)

getMaxCacheSize

public int getMaxCacheSize()

setMaxCacheSize

public void setMaxCacheSize(int maxCacheSize)

getMaxCachedFiles

public int getMaxCachedFiles()

Returns:

Returns the maxCachedFiles.

setMaxCachedFiles

public void setMaxCachedFiles(int maxCachedFiles)

Parameters:

maxCachedFiles - The maxCachedFiles to set.

flushCache

public void flushCache()

lookup

public ResourceCache.Content lookup(String pathInContext,
                                    ResourceFactory factory)
                             throws IOException

Get a Entry from the cache. Get either a valid entry object or create a new one if possible.

Parameters:

pathInContext - The key into the cache

factory - If no matching entry is found, this ResourceFactory will be used to create the Resource for the new enry that is created.

Returns:

The entry matching pathInContext, or a new entry if no matching entry was found

Throws:

IOException

doStart

public void doStart()
             throws Exception

Overrides:

doStart in class AbstractLifeCycle

Throws:

Exception

doStop

public void doStop()
            throws InterruptedException

Stop the context.

Overrides:

doStop in class AbstractLifeCycle

Throws:

InterruptedException

fill

protected void fill(ResourceCache.Content content)
             throws IOException

Throws:

IOException