org.mortbay.jetty

Class ResourceCache

java.lang.Object

org.mortbay.component.AbstractLifeCycle

org.mortbay.jetty.ResourceCache

All Implemented Interfaces:

Serializable, org.mortbay.component.LifeCycle

public class ResourceCache
extends org.mortbay.component.AbstractLifeCycle
implements Serializable

Author:

Greg Wilkins

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ResourceCache.Content MetaData associated with a context Resource.

Nested classes/interfaces inherited from interface org.mortbay.component.LifeCycle

org.mortbay.component.LifeCycle.Listener

Field Summary

Fields

Modifier and Type	Field and Description
protected Map	_cache
protected int	_cachedFiles
protected int	_cachedSize
protected ResourceCache.Content	_leastRecentlyUsed
protected ResourceCache.Content	_mostRecentlyUsed

Fields inherited from class org.mortbay.component.AbstractLifeCycle

_listeners

Constructor Summary

Constructors

Constructor and Description
ResourceCache(MimeTypes mimeTypes) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	doStart()
void	doStop() Stop the context.
protected void	fill(ResourceCache.Content content)
void	flushCache()
int	getCachedFiles()
int	getCachedSize()
int	getMaxCachedFiles()
int	getMaxCachedFileSize()
int	getMaxCacheSize()
ResourceCache.Content	lookup(String pathInContext, Resource resource)
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

addLifeCycleListener, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, 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

_cachedSize

protected transient int _cachedSize

_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

getCachedSize

public int getCachedSize()

getCachedFiles

public int getCachedFiles()

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

lookup

public ResourceCache.Content lookup(String pathInContext,
                           Resource resource)
                             throws IOException

Throws:

IOException

doStart

public void doStart()
             throws Exception

Overrides:

doStart in class org.mortbay.component.AbstractLifeCycle

Throws:

Exception

doStop

public void doStop()
            throws InterruptedException

Stop the context.

Overrides:

doStop in class org.mortbay.component.AbstractLifeCycle

Throws:

InterruptedException

fill

protected void fill(ResourceCache.Content content)
             throws IOException

Throws:

IOException