XMLStructure (Java Platform SE 8 )
Keywords: javax.xml.crypto.XMLStructure interface
Date: 2026-06-25

compact3
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

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `isFeatureSupported(String feature)` Indicates whether a specified feature is supported.

- - ### Method Detail

    - #### 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`

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