XMLStructure (Java SE 26 & JDK 26)
Description: declaration: module: java.xml.crypto, package: javax.xml.crypto, interface: XMLStructure
Keywords: javax.xml.crypto.XMLStructure interface

# 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`