Package org.ametys.core.resources

Class DefaultResourceHandler

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.core.resources.SimpleResourceHandler

org.ametys.core.resources.DefaultResourceHandler

All Implemented Interfaces:

ResourceHandler, LogEnabled, Serviceable

public class DefaultResourceHandler
extends SimpleResourceHandler

Default resource handler. It accepts range requests and is able to return its length.

Field Summary

Fields inherited from class org.ametys.core.resources.SimpleResourceHandler

_objectModel, _parameters, _readForDownload, _requestedLocation, _resolver, _source

Constructor Summary

Constructors

Constructor	Description
DefaultResourceHandler()

Method Summary

Modifier and Type	Method	Description
boolean	acceptRanges()	Returns true if this ResourceHandler handles "Range" requests.
void	generate(OutputStream out, long offset, long length)	Generate the resource configured during setup in the context of a range request.
Serializable	getKey()	Get the unique key for this resource, for cache purpose.
long	getLength()	Get the resource size, if available.

Methods inherited from class org.ametys.core.resources.SimpleResourceHandler

generate, getLastModified, getMimeType, getValidity, service, setup

Methods inherited from class org.ametys.runtime.plugin.component.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ametys.core.resources.ResourceHandler

shouldUseSourceContentLength

Constructor Details

DefaultResourceHandler

public DefaultResourceHandler()

Method Details

acceptRanges

public boolean acceptRanges()

Description copied from interface: ResourceHandler

Returns true if this ResourceHandler handles "Range" requests. false by default.

Returns:

true if this ResourceHandler handles "Range" requests.

getKey

public Serializable getKey()

Description copied from interface: ResourceHandler

Get the unique key for this resource, for cache purpose.

Specified by:

getKey in interface ResourceHandler

Overrides:

getKey in class SimpleResourceHandler

Returns:

The cache key.

generate

public void generate(OutputStream out,
 long offset,
 long length)
              throws IOException,
ProcessingException

Description copied from interface: ResourceHandler

Generate the resource configured during setup in the context of a range request.

Parameters:

out - The output stream to write to

offset - the first byte to send

length - the stream length to send

Throws:

IOException - If an error occurs

ProcessingException - If an error occurs

getLength

public long getLength()

Description copied from interface: ResourceHandler

Get the resource size, if available. -1 if unknown.

Returns:

The resource size.