# Package javax.xml.transform

- Interface Summary
  Interface | Description
  --- | ---
  ErrorListener | To provide customized error handling, implement this interface and use the `setErrorListener` method to register an instance of the implmentation with the `Transformer`.
  Result | An object that implements this interface contains the information needed to build a transformation result tree.
  Source | An object that implements this interface contains the information needed to act as source input (XML source or transformation instructions).
  SourceLocator | This interface is primarily for the purposes of reporting where an error occurred in the XML source or transformation instructions.
  Templates | An object that implements this interface is the runtime representation of processed transformation instructions.
  URIResolver | An object that implements this interface that can be called by the processor to turn a URI used in document(), xsl:import, or xsl:include into a Source object.

- Class Summary
  Class | Description
  --- | ---
  OutputKeys | Provides string constants that can be used to set output properties for a Transformer, or to retrieve output properties from a Transformer or Templates object.
  Transformer | An instance of this abstract class can transform a source tree into a result tree.
  TransformerFactory | A TransformerFactory instance can be used to create `Transformer` and `Templates` objects.

- Exception Summary
  Exception | Description
  --- | ---
  TransformerConfigurationException | Indicates a serious configuration error.
  TransformerException | This class specifies an exceptional condition that occured during the transformation process.

- Error Summary
  Error | Description
  --- | ---
  TransformerFactoryConfigurationError | Thrown when a problem with configuration with the Transformer Factories exists.

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