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- All Known Implementing Classes:
DOMSource,SAXSource,StAXSource,StreamSource
public interface SourceAn 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 Summary
All Methods Instance Methods Abstract Methods Default Methods Modifier and Type Method Description StringgetSystemId()Get 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 Detail
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setSystemId
void setSystemId(String systemId)
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.
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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.
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isEmpty
default 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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