org.appng.api.support

Interface HttpHeaderUtils.HttpResource

Enclosing class:

HttpHeaderUtils

public static interface HttpHeaderUtils.HttpResource

A resource that has been requested by an HttpServletRequest and eventually needs to be updated

See Also:

HttpHeaderUtils.handleModifiedHeaders(HttpServletRequest, HttpServletResponse, HttpResource, boolean)

Method Summary

Modifier and Type	Method and Description
String	getContentType() Returns the content-type for this resource
byte[]	getData() retrieves the data of this resource
boolean	needsUpdate() whether or not this resource has been updated during update()
long	update() updates this resource if necessary and returns the latest version

Method Detail

update

long update()
     throws IOException

updates this resource if necessary and returns the latest version

Returns:

the latest version of the resource

Throws:

IOException - if an error occurs while updating

getContentType

String getContentType()

Returns the content-type for this resource

Returns:

the content-type

needsUpdate

boolean needsUpdate()

whether or not this resource has been updated during update()

Returns:

true if this resource has been updated

See Also:

update()

getData

byte[] getData()
        throws IOException

retrieves the data of this resource

Returns:

the data

Throws:

IOException - if an error occurs while retrieving the data