Package org.apache.wicket.resource.bundles

Class ConcatBundleResource

java.lang.Object

org.apache.wicket.request.resource.AbstractResource

org.apache.wicket.resource.bundles.ConcatBundleResource

All Implemented Interfaces:

Serializable, IStaticCacheableResource, IResource, IClusterable

public class ConcatBundleResource
extends AbstractResource
implements IStaticCacheableResource

A resource that concatenates several resources into one download. This resource can only bundle IStaticCacheableResources. The content type of the resource will be that of the first resource that specifies its content type.

Author:

papegaaij

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.wicket.request.resource.AbstractResource

AbstractResource.ContentRangeType, AbstractResource.ResourceResponse, AbstractResource.WriteCallback

Nested classes/interfaces inherited from interface org.apache.wicket.request.resource.IResource

IResource.Attributes

Field Summary

Fields inherited from class org.apache.wicket.request.resource.AbstractResource

CONTENT_DISPOSITION_HEADER_NAME, CONTENT_RANGE_ENDBYTE, CONTENT_RANGE_STARTBYTE, INTERNAL_HEADERS

Constructor Summary

Constructors

Constructor	Description
ConcatBundleResource(List<? extends IReferenceHeaderItem> providedResources)	Construct.

Method Summary

Modifier and Type	Method	Description
protected String	findContentType(List<IResourceStream> resources)
protected Instant	findLastModified(List<IResourceStream> resources)
Serializable	getCacheKey()	get unique caching key for the resource stream produced by IStaticCacheableResource.getResourceStream()
ITextResourceCompressor	getCompressor()
IResourceStream	getResourceStream()	get static resource stream which will be unique to the related caching key IStaticCacheableResource.getCacheKey()
protected boolean	getThrowExceptionOnMissingResource()
boolean	isCachingEnabled()	controls whether caching of the resource is enabled or disabled
protected AbstractResource.ResourceResponse	newResourceResponse(IResource.Attributes attributes)	Override this method to return a AbstractResource.ResourceResponse for the request.
protected byte[]	readAllResources(List<IResourceStream> resources)
void	setCachingEnabled(boolean enabled)
void	setCompressor(ITextResourceCompressor compressor)

Methods inherited from class org.apache.wicket.request.resource.AbstractResource

configureCache, getCachingStrategy, respond, setRequestMetaData, setRequestRangeMetaData, setResponseContentRangeHeaderFields, setResponseHeaders

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wicket.request.resource.IResource

respond

Constructor Details

ConcatBundleResource

public ConcatBundleResource(List<? extends IReferenceHeaderItem> providedResources)

Construct.

Parameters:

providedResources -

Method Details

newResourceResponse

protected AbstractResource.ResourceResponse newResourceResponse(IResource.Attributes attributes)

Description copied from class: AbstractResource

Override this method to return a AbstractResource.ResourceResponse for the request.

Specified by:

newResourceResponse in class AbstractResource

Parameters:

attributes - request attributes

Returns:

resource data instance

findContentType

protected String findContentType(List<IResourceStream> resources)

findLastModified

protected Instant findLastModified(List<IResourceStream> resources)

readAllResources

protected byte[] readAllResources(List<IResourceStream> resources)
                           throws IOException,
ResourceStreamNotFoundException

Throws:

IOException

ResourceStreamNotFoundException

isCachingEnabled

public boolean isCachingEnabled()

Description copied from interface: IStaticCacheableResource

controls whether caching of the resource is enabled or disabled

Specified by:

isCachingEnabled in interface IStaticCacheableResource

Returns:

true if caching is enabled

setCachingEnabled

public void setCachingEnabled(boolean enabled)

getCacheKey

public Serializable getCacheKey()

Description copied from interface: IStaticCacheableResource

get unique caching key for the resource stream produced by IStaticCacheableResource.getResourceStream()

Specified by:

getCacheKey in interface IStaticCacheableResource

Returns:

serializable key which properly supports Object.equals(Object) and Object.hashCode()

getResourceStream

public IResourceStream getResourceStream()

Description copied from interface: IStaticCacheableResource

get static resource stream which will be unique to the related caching key IStaticCacheableResource.getCacheKey()

Specified by:

getResourceStream in interface IStaticCacheableResource

Returns:

stream or null if no stream could be found

setCompressor

public void setCompressor(ITextResourceCompressor compressor)

getCompressor

public ITextResourceCompressor getCompressor()

getThrowExceptionOnMissingResource

protected boolean getThrowExceptionOnMissingResource()

Returns:

the result of ResourceSettings.getThrowExceptionOnMissingResource()