org.apache.myfaces.commons.resourcehandler.resource
Class ExternalContextResourceLoader

java.lang.Object
  org.apache.myfaces.commons.resourcehandler.resource.ResourceLoader
      org.apache.myfaces.commons.resourcehandler.resource.ExternalContextResourceLoader

public class ExternalContextResourceLoader
extends ResourceLoader

A resource loader implementation which loads resources from the webapp root. It uses the methods on ExternalContext for handle resources.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.myfaces.commons.resourcehandler.resource.ResourceLoader

ResourceLoader.VersionComparator

Field Summary

protected static Pattern	RESOURCE_VERSION_CHECKER It checks version like this: /1.js, /1_0.js, /1_0_0.js, /100_100.js Used on getResourceVersion to filter resources
protected static Pattern	VERSION_CHECKER It checks version like this: /1/, /1_0/, /1_0_0/, /100_100/ Used on getLibraryVersion to filter resource directories

Fields inherited from class org.apache.myfaces.commons.resourcehandler.resource.ResourceLoader

VERSION_INVALID

Constructor Summary

ExternalContextResourceLoader(String prefix)

Method Summary

ResourceMeta	createResourceMeta(String prefix, String libraryName, String libraryVersion, String resourceName, String resourceVersion)
String	getLibraryVersion(String path) Return the max available version found (if exists) or return null if no version available.
InputStream	getResourceInputStream(ResourceMeta resourceMeta)
protected Set<String>	getResourcePaths(String path)
URL	getResourceURL(ResourceMeta resourceMeta) Return the max available version found (if exists) or return null if no version available.
String	getResourceVersion(String path)
boolean	libraryExists(String libraryName)

Methods inherited from class org.apache.myfaces.commons.resourcehandler.resource.ResourceLoader

getPrefix, getVersionComparator, resourceExists, setPrefix, setVersionComparator

Methods inherited from class java.lang.Object

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

Field Detail

VERSION_CHECKER

protected static Pattern VERSION_CHECKER

It checks version like this: /1/, /1_0/, /1_0_0/, /100_100/ Used on getLibraryVersion to filter resource directories

RESOURCE_VERSION_CHECKER

protected static Pattern RESOURCE_VERSION_CHECKER

It checks version like this: /1.js, /1_0.js, /1_0_0.js, /100_100.js Used on getResourceVersion to filter resources

Constructor Detail

ExternalContextResourceLoader

public ExternalContextResourceLoader(String prefix)

Method Detail

getResourcePaths

protected Set<String> getResourcePaths(String path)

getResourceVersion

public String getResourceVersion(String path)

Specified by:

getResourceVersion in class ResourceLoader

getLibraryVersion

public String getLibraryVersion(String path)

Description copied from class: ResourceLoader

Return the max available version found (if exists) or return null if no version available.

Specified by:

getLibraryVersion in class ResourceLoader

getResourceURL

public URL getResourceURL(ResourceMeta resourceMeta)

Description copied from class: ResourceLoader

Return the max available version found (if exists) or return null if no version available.

Specified by:

getResourceURL in class ResourceLoader

getResourceInputStream

public InputStream getResourceInputStream(ResourceMeta resourceMeta)

Specified by:

getResourceInputStream in class ResourceLoader

createResourceMeta

public ResourceMeta createResourceMeta(String prefix,
                                       String libraryName,
                                       String libraryVersion,
                                       String resourceName,
                                       String resourceVersion)

Specified by:

createResourceMeta in class ResourceLoader

libraryExists

public boolean libraryExists(String libraryName)

Specified by:

libraryExists in class ResourceLoader