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public interface DataHandlerProvider
Interface used for deferred loading of binary content.
DataHandlerReader.isDeferred()
,
DataHandlerReader.getDataHandlerProvider()
Method Summary | |
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DataHandler |
getDataHandler()
Get the DataHandler object for the binary content. |
boolean |
isLoaded()
Check whether the DataHandler has already been loaded. |
Method Detail |
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boolean isLoaded()
DataHandler
has already been loaded. A return value of
true
means that a call to getDataHandler()
will not block or will
retrieve the DataHandler
without overhead. Note the return value of this method for a
given instance of this class may change over time due to events other than a call to
getDataHandler()
on the same instance. E.g. a call to getDataHandler()
on
one instance may change the return value of the method on another instance (because the
DataHandler
objects can only be loaded in a certain sequence).
true
if the DataHandler
has already been loaded;
false
otherwiseDataHandler getDataHandler() throws IOException
DataHandler
object for the binary content.
IOException
- if an error occurs while loading the DataHandler
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