Module java.xml.crypto
Package javax.xml.crypto

# Interface XMLStructure

All Known Subinterfaces:
  `CanonicalizationMethod`, `DigestMethod`, `KeyInfo`, `KeyName`, `KeyValue`, `Manifest`, `PGPData`, `Reference`, `RetrievalMethod`, `SignatureMethod`, `SignatureProperties`, `SignatureProperty`, `SignedInfo`, `Transform`, `X509Data`, `X509IssuerSerial`, `XMLObject`, `XMLSignature`, `XMLSignature.SignatureValue`

All Known Implementing Classes:
  `DOMStructure`, `TransformService`

public interface XMLStructure
A representation of an XML structure from any namespace. The purpose of this interface is to group (and provide type safety for) all representations of XML structures.

Since:
  1.6

## Method Summary

Modifier and Type
Method
Description
`boolean`
`isFeatureSupported(String feature)`
Indicates whether a specified feature is supported.

## Method Details

### isFeatureSupported

boolean isFeatureSupported(String feature)
Indicates whether a specified feature is supported.

Parameters:
  `feature` - the feature name (as an absolute URI)
Returns:
  `true` if the specified feature is supported, `false` otherwise
Throws:
  `NullPointerException` - if `feature` is `null`