Interface Source
- 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
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Method SummaryModifier and TypeMethodDescriptionGet the system identifier that was set with setSystemId.default booleanisEmpty()Indicates whether theSourceobject is empty.voidsetSystemId(String systemId) Set the system identifier for this Source.
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Method Details- 
setSystemIdSet 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.
 
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getSystemIdString 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.
 
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isEmptydefault boolean isEmpty()Indicates whether theSourceobject 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 Sourceobject is empty, false otherwise
 
 
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