- All Known Implementing Classes:
DOMSource
,SAXSource
,StAXSource
,StreamSource
public interface Source
An object that implements this interface contains the information
needed to act as source input (XML source or transformation instructions).
- Since:
- 1.4
-
Method Summary
Modifier and TypeMethodDescriptionGet the system identifier that was set with setSystemId.default boolean
isEmpty()
Indicates whether theSource
object is empty.void
setSystemId
(String systemId) Set the system identifier for this Source.
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Method Details
-
setSystemId
Set the system identifier for this Source.The system identifier is optional if the source does not get its data from a URL, but it may still be useful to provide one. The application can use a system identifier, for example, to resolve relative URIs and to include in error messages and warnings.
- Parameters:
systemId
- The system identifier as a URL string.
-
getSystemId
String getSystemId()Get the system identifier that was set with setSystemId.- Returns:
- The system identifier that was set with setSystemId, or null if setSystemId was not called.
-
isEmpty
default boolean isEmpty()Indicates whether theSource
object is empty. Empty means that there is no input available from this Source.- Implementation Requirements:
- The default implementation of this method throws
UnsupportedOperationException
. - Returns:
- true if the
Source
object is empty, false otherwise
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