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

Methods

Modifier and Type Method Description
String getSystemId()

Get the system identifier that was set with setSystemId.
default boolean isEmpty()

Indicates whether the Source object is empty.
void setSystemId​(String systemId)

Set the system identifier for this Source.

Methods

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.

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 the Source 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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Documentation extracted from Debian's OpenJDK Development Kit package.
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https://docs.oracle.com/en/java/javase/11/docs/api/java.xml/javax/xml/transform/Source.html