Package org.apache.tapestry5.internal.services

Class AssetDispatcher

java.lang.Object

org.apache.tapestry5.internal.services.AssetDispatcher

All Implemented Interfaces:

Dispatcher

@UsesMappedConfiguration(AssetRequestHandler.class)
@Marker(AssetRequestDispatcher.class)
public class AssetDispatcher
extends Object
implements Dispatcher

Recognizes requests where the path begins with "/asset/" (actually, as defined by the SymbolConstants.ASSET_PATH_PREFIX symbol), and delivers the content therein as a bytestream. Also handles requests that are simply polling for a change to the file (including checking the ETag in the request against the asset's checksum.

See Also:

ResourceStreamer, ClasspathAssetAliasManager, AssetRequestHandler

Constructor Summary

Constructors

Constructor	Description
AssetDispatcher(Map<String,AssetRequestHandler> configuration, PathConstructor pathConstructor, String assetPathPrefix)

Method Summary

Modifier and Type	Method	Description
boolean	dispatch(Request request, Response response)	Analyzes the incoming request and performs an appropriate operation for each.

Methods inherited from class java.lang.Object

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

Constructor Detail

AssetDispatcher

public AssetDispatcher(Map<String,AssetRequestHandler> configuration,
                       PathConstructor pathConstructor,
                       @Symbol("tapestry.asset-path-prefix")
                       String assetPathPrefix)

Method Detail

dispatch

public boolean dispatch(Request request,
                        Response response)
                 throws IOException

Description copied from interface: Dispatcher

Analyzes the incoming request and performs an appropriate operation for each.

Specified by:

dispatch in interface Dispatcher

Returns:

true if a response was delivered, false if the dispatcher did not handle the request (and a search for a handler should continue)

Throws:

IOException