com.aoindustries.servlet

Class ServletContextCache

java.lang.Object

com.aoindustries.servlet.ServletContextCache

public final class ServletContextCache
extends Object

ServletContext methods can be somewhat slow, this offers a cache that refreshes the recently used values in the background. Importantly, it caches misses as well.

Author:

AO Industries, Inc.

Method Summary

Modifier and Type	Method and Description
static ServletContextCache	getCache(ServletContext servletContext) Gets or creates the cache for the provided servlet context.
static String	getRealPath(ServletContext servletContext, String path)
String	getRealPath(String path)
static URL	getResource(ServletContext servletContext, String path)
URL	getResource(String path) Gets the possibly cached URL.

Methods inherited from class java.lang.Object

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

Method Detail

getCache

public static ServletContextCache getCache(ServletContext servletContext)

Gets or creates the cache for the provided servlet context.

getResource

public URL getResource(String path)
                throws MalformedURLException

Gets the possibly cached URL. This URL is not copied and caller should not fiddle with its state. Thank you Java for this not being immutable.

Throws:

MalformedURLException

See Also:

ServletContext.getResource(java.lang.String)

getResource

public static URL getResource(ServletContext servletContext,
                              String path)
                       throws MalformedURLException

Throws:

MalformedURLException

See Also:

getResource(java.lang.String)

getRealPath

public String getRealPath(String path)

See Also:

ServletContext.getRealPath(java.lang.String)

getRealPath

public static String getRealPath(ServletContext servletContext,
                                 String path)

See Also:

getRealPath(java.lang.String)