Namespace (Java Platform SE 8 )
Keywords: javax.xml.stream.events.Namespace interface
Date: 2026-01-21

compact2, compact3
javax.xml.stream.events

## Interface Namespace

- All Superinterfaces:
    Attribute, XMLEvent, XMLStreamConstants

      public interface Namespace
      extends Attribute

  An interface that contains information about a namespace. Namespaces are accessed from a StartElement.
  Since:
    1.6
  Version:
    1.0
  See Also:
    `StartElement`

- - ### Field Summary

    - ### Fields inherited from interface javax.xml.stream.XMLStreamConstants

      `ATTRIBUTE, CDATA, CHARACTERS, COMMENT, DTD, END_DOCUMENT, END_ELEMENT, ENTITY_DECLARATION, ENTITY_REFERENCE, NAMESPACE, NOTATION_DECLARATION, PROCESSING_INSTRUCTION, SPACE, START_DOCUMENT, START_ELEMENT`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getNamespaceURI()` Gets the uri bound to the prefix of this namespace
    `String` | `getPrefix()` Gets the prefix, returns "" if this is a default namespace declaration.
    `boolean` | `isDefaultNamespaceDeclaration()` returns true if this attribute declares the default namespace

    - ### Methods inherited from interface javax.xml.stream.events.Attribute

      `getDTDType, getName, getValue, isSpecified`

    - ### Methods inherited from interface javax.xml.stream.events.XMLEvent

      `asCharacters, asEndElement, asStartElement, getEventType, getLocation, getSchemaType, isAttribute, isCharacters, isEndDocument, isEndElement, isEntityReference, isNamespace, isProcessingInstruction, isStartDocument, isStartElement, writeAsEncodedUnicode`

- - ### Method Detail

    - #### getPrefix

          String getPrefix()

      Gets the prefix, returns "" if this is a default namespace declaration.

    - #### getNamespaceURI

          String getNamespaceURI()

      Gets the uri bound to the prefix of this namespace

    - #### isDefaultNamespaceDeclaration

          boolean isDefaultNamespaceDeclaration()

      returns true if this attribute declares the default namespace

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