Resource class abstract
Acts as a proxy to an actual resource by handling read access.
Constructors
- Resource()
Properties
Methods
-
cached(
) → Resource - Creates a cached resource wrapping this resource.
-
close(
) → Future< void> - Closes any opened file handles.
-
length(
) → Future< ResourceTry< int> > - Returns data length from metadata if available, or calculated from reading the bytes otherwise.
-
link(
) → Future< Link> - Returns the link from which the resource was retrieved.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
read(
{IntRange? range}) → Future< ResourceTry< ByteData> > - Reads the bytes at the given range.
-
readAsJson(
) → Future< ResourceTry< Map< >String, dynamic> > - Reads the full content as a JSON object.
-
readAsString(
{String? charset}) → Future< ResourceTry< String> > - Reads the full content as a String.
-
readAsXml(
) → Future< ResourceTry< XmlDocument> > - Reads the full content as an XML document.
-
toString(
) → String -
A string representation of this object.
inherited
-
use<
R> (Future< R> block(Resource resource)) → Future<R> - Executes the given block function on this resource and then closes it down correctly whether an exception is thrown or not.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited