StreamReaderDelegate (Java Platform SE 8 )
Keywords: javax.xml.stream.util.StreamReaderDelegate class
Date: 2026-03-29

compact2, compact3
javax.xml.stream.util

## Class StreamReaderDelegate

- java.lang.Object
- - javax.xml.stream.util.StreamReaderDelegate

- All Implemented Interfaces:
    XMLStreamConstants, XMLStreamReader

      public class StreamReaderDelegate
      extends Object
      implements XMLStreamReader

  This is the base class for deriving an XMLStreamReader filter This class is designed to sit between an XMLStreamReader and an application's XMLStreamReader. By default each method does nothing but call the corresponding method on the parent interface.
  Since:
    1.6
  Version:
    1.0
  See Also:
    `XMLStreamReader`, `EventReaderDelegate`

- - ### 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`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `StreamReaderDelegate()` Construct an empty filter with no parent.
    `StreamReaderDelegate(XMLStreamReader reader)` Construct an filter with the specified parent.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `close()` Frees any resources associated with this Reader.
    `int` | `getAttributeCount()` Returns the count of attributes on this START_ELEMENT, this method is only valid on a START_ELEMENT or ATTRIBUTE.
    `String` | `getAttributeLocalName(int index)` Returns the localName of the attribute at the provided index
    `QName` | `getAttributeName(int index)` Returns the qname of the attribute at the provided index
    `String` | `getAttributeNamespace(int index)` Returns the namespace of the attribute at the provided index
    `String` | `getAttributePrefix(int index)` Returns the prefix of this attribute at the provided index
    `String` | `getAttributeType(int index)` Returns the XML type of the attribute at the provided index
    `String` | `getAttributeValue(int index)` Returns the value of the attribute at the index
    `String` | `getAttributeValue(String namespaceUri, String localName)` Returns the normalized attribute value of the attribute with the namespace and localName If the namespaceURI is null the namespace is not checked for equality
    `String` | `getCharacterEncodingScheme()` Returns the character encoding declared on the xml declaration Returns null if none was declared
    `String` | `getElementText()` Reads the content of a text-only element, an exception is thrown if this is not a text-only element.
    `String` | `getEncoding()` Return input encoding if known or null if unknown.
    `int` | `getEventType()` Returns an integer code that indicates the type of the event the cursor is pointing to.
    `String` | `getLocalName()` Returns the (local) name of the current event.
    `Location` | `getLocation()` Return the current location of the processor.
    `QName` | `getName()` Returns a QName for the current START_ELEMENT or END_ELEMENT event
    `NamespaceContext` | `getNamespaceContext()` Returns a read only namespace context for the current position.
    `int` | `getNamespaceCount()` Returns the count of namespaces declared on this START_ELEMENT or END_ELEMENT, this method is only valid on a START_ELEMENT, END_ELEMENT or NAMESPACE.
    `String` | `getNamespacePrefix(int index)` Returns the prefix for the namespace declared at the index.
    `String` | `getNamespaceURI()` If the current event is a START_ELEMENT or END_ELEMENT this method returns the URI of the prefix or the default namespace.
    `String` | `getNamespaceURI(int index)` Returns the uri for the namespace declared at the index.
    `String` | `getNamespaceURI(String prefix)` Return the uri for the given prefix.
    `XMLStreamReader` | `getParent()` Get the parent of this instance.
    `String` | `getPIData()` Get the data section of a processing instruction
    `String` | `getPITarget()` Get the target of a processing instruction
    `String` | `getPrefix()` Returns the prefix of the current event or null if the event does not have a prefix
    `Object` | `getProperty(String name)` Get the value of a feature/property from the underlying implementation
    `String` | `getText()` Returns the current value of the parse event as a string, this returns the string value of a CHARACTERS event, returns the value of a COMMENT, the replacement value for an ENTITY_REFERENCE, the string value of a CDATA section, the string value for a SPACE event, or the String value of the internal subset of the DTD.
    `char[]` | `getTextCharacters()` Returns an array which contains the characters from this event.
    `int` | `getTextCharacters(int sourceStart, char[] target, int targetStart, int length)` Gets the the text associated with a CHARACTERS, SPACE or CDATA event.
    `int` | `getTextLength()` Returns the length of the sequence of characters for this Text event within the text character array.
    `int` | `getTextStart()` Returns the offset into the text character array where the first character (of this text event) is stored.
    `String` | `getVersion()` Get the xml version declared on the xml declaration Returns null if none was declared
    `boolean` | `hasName()` returns true if the current event has a name (is a START_ELEMENT or END_ELEMENT) returns false otherwise
    `boolean` | `hasNext()` Returns true if there are more parsing events and false if there are no more events.
    `boolean` | `hasText()` Return true if the current event has text, false otherwise The following events have text: CHARACTERS,DTD ,ENTITY_REFERENCE, COMMENT, SPACE
    `boolean` | `isAttributeSpecified(int index)` Returns a boolean which indicates if this attribute was created by default
    `boolean` | `isCharacters()` Returns true if the cursor points to a character data event
    `boolean` | `isEndElement()` Returns true if the cursor points to an end tag (otherwise false)
    `boolean` | `isStandalone()` Get the standalone declaration from the xml declaration
    `boolean` | `isStartElement()` Returns true if the cursor points to a start tag (otherwise false)
    `boolean` | `isWhiteSpace()` Returns true if the cursor points to a character data event that consists of all whitespace
    `int` | `next()` Get next parsing event - a processor may return all contiguous character data in a single chunk, or it may split it into several chunks.
    `int` | `nextTag()` Skips any white space (isWhiteSpace() returns true), COMMENT, or PROCESSING_INSTRUCTION, until a START_ELEMENT or END_ELEMENT is reached.
    `void` | `require(int type, String namespaceURI, String localName)` Test if the current event is of the given type and if the namespace and name match the current namespace and name of the current event.
    `void` | `setParent(XMLStreamReader reader)` Set the parent of this instance.
    `boolean` | `standaloneSet()` Checks if standalone was set in the document

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### StreamReaderDelegate

          public StreamReaderDelegate()

      Construct an empty filter with no parent.

    - #### StreamReaderDelegate

          public StreamReaderDelegate(XMLStreamReader reader)

      Construct an filter with the specified parent.
      Parameters:
        `reader` - the parent

  - ### Method Detail

    - #### setParent

          public void setParent(XMLStreamReader reader)

      Set the parent of this instance.
      Parameters:
        `reader` - the new parent

    - #### getParent

          public XMLStreamReader getParent()

      Get the parent of this instance.
      Returns:
        the parent or null if none is set

    - #### next

          public int next()
                   throws XMLStreamException

      Description copied from interface: `XMLStreamReader`
      Get next parsing event - a processor may return all contiguous character data in a single chunk, or it may split it into several chunks. If the property javax.xml.stream.isCoalescing is set to true element content must be coalesced and only one CHARACTERS event must be returned for contiguous element content or CDATA Sections. By default entity references must be expanded and reported transparently to the application. An exception will be thrown if an entity reference cannot be expanded. If element content is empty (i.e. content is "") then no CHARACTERS event will be reported.

      Given the following XML:
      <foo><!--description-->content text<![CDATA[<greeting>Hello</greeting>]]>other content</foo>
      The behavior of calling next() when being on foo will be:
      1- the comment (COMMENT)
      2- then the characters section (CHARACTERS)
      3- then the CDATA section (another CHARACTERS)
      4- then the next characters section (another CHARACTERS)
      5- then the END_ELEMENT

      NOTE: empty element (such as <tag/>) will be reported with two separate events: START_ELEMENT, END_ELEMENT - This preserves parsing equivalency of empty element to <tag></tag>. This method will throw an IllegalStateException if it is called after hasNext() returns false.

      Specified by:
        `next` in interface `XMLStreamReader`
      Returns:
        the integer code corresponding to the current parse event
      Throws:
        `XMLStreamException` - if there is an error processing the underlying XML source
      See Also:
        `XMLEvent`

    - #### nextTag

          public int nextTag()
                      throws XMLStreamException

      Description copied from interface: `XMLStreamReader`
      Skips any white space (isWhiteSpace() returns true), COMMENT, or PROCESSING_INSTRUCTION, until a START_ELEMENT or END_ELEMENT is reached. If other than white space characters, COMMENT, PROCESSING_INSTRUCTION, START_ELEMENT, END_ELEMENT are encountered, an exception is thrown. This method should be used when processing element-only content seperated by white space.
      Precondition: none
      Postcondition: the current event is START_ELEMENT or END_ELEMENT and cursor may have moved over any whitespace event.
      Essentially it does the following (implementations are free to optimized but must do equivalent processing):

           int eventType = next();
           while((eventType == XMLStreamConstants.CHARACTERS && isWhiteSpace()) // skip whitespace
           || (eventType == XMLStreamConstants.CDATA && isWhiteSpace())
           // skip whitespace
           || eventType == XMLStreamConstants.SPACE
           || eventType == XMLStreamConstants.PROCESSING_INSTRUCTION
           || eventType == XMLStreamConstants.COMMENT
           ) {
           eventType = next();
           }
           if (eventType != XMLStreamConstants.START_ELEMENT && eventType != XMLStreamConstants.END_ELEMENT) {
           throw new String XMLStreamException("expected start or end tag", getLocation());
           }
           return eventType;

      Specified by:
        `nextTag` in interface `XMLStreamReader`
      Returns:
        the event type of the element read (START_ELEMENT or END_ELEMENT)
      Throws:
        `XMLStreamException` - if the current event is not white space, PROCESSING_INSTRUCTION, START_ELEMENT or END_ELEMENT

    - #### getElementText

          public String getElementText()
                                throws XMLStreamException

      Description copied from interface: `XMLStreamReader`
      Reads the content of a text-only element, an exception is thrown if this is not a text-only element. Regardless of value of javax.xml.stream.isCoalescing this method always returns coalesced content.
      Precondition: the current event is START_ELEMENT.
      Postcondition: the current event is the corresponding END_ELEMENT.
      The method does the following (implementations are free to optimized but must do equivalent processing):

           if(getEventType() != XMLStreamConstants.START_ELEMENT) {
           throw new XMLStreamException(
           "parser must be on START_ELEMENT to read next text", getLocation());
           }
           int eventType = next();
           StringBuffer content = new StringBuffer();
           while(eventType != XMLStreamConstants.END_ELEMENT ) {
           if(eventType == XMLStreamConstants.CHARACTERS
           || eventType == XMLStreamConstants.CDATA
           || eventType == XMLStreamConstants.SPACE
           || eventType == XMLStreamConstants.ENTITY_REFERENCE) {
           buf.append(getText());
           } else if(eventType == XMLStreamConstants.PROCESSING_INSTRUCTION
           || eventType == XMLStreamConstants.COMMENT) {
           // skipping
           } else if(eventType == XMLStreamConstants.END_DOCUMENT) {
           throw new XMLStreamException(
           "unexpected end of document when reading element text content", this);
           } else if(eventType == XMLStreamConstants.START_ELEMENT) {
           throw new XMLStreamException(
           "element text content may not contain START_ELEMENT", getLocation());
           } else {
           throw new XMLStreamException(
           "Unexpected event type "+eventType, getLocation());
           }
           eventType = next();
           }
           return buf.toString();

      Specified by:
        `getElementText` in interface `XMLStreamReader`
      Throws:
        `XMLStreamException` - if the current event is not a START_ELEMENT or if a non text element is encountered

    - #### require

          public void require(int type,
                              String namespaceURI,
                              String localName)
                       throws XMLStreamException

      Description copied from interface: `XMLStreamReader`
      Test if the current event is of the given type and if the namespace and name match the current namespace and name of the current event. If the namespaceURI is null it is not checked for equality, if the localName is null it is not checked for equality.
      Specified by:
        `require` in interface `XMLStreamReader`
      Parameters:
        `type` - the event type
        `namespaceURI` - the uri of the event, may be null
        `localName` - the localName of the event, may be null
      Throws:
        `XMLStreamException` - if the required values are not matched.

    - #### hasNext

          public boolean hasNext()
                          throws XMLStreamException

      Description copied from interface: `XMLStreamReader`
      Returns true if there are more parsing events and false if there are no more events. This method will return false if the current state of the XMLStreamReader is END_DOCUMENT
      Specified by:
        `hasNext` in interface `XMLStreamReader`
      Returns:
        true if there are more events, false otherwise
      Throws:
        `XMLStreamException` - if there is a fatal error detecting the next state

    - #### close

          public void close()
                     throws XMLStreamException

      Description copied from interface: `XMLStreamReader`
      Frees any resources associated with this Reader. This method does not close the underlying input source.
      Specified by:
        `close` in interface `XMLStreamReader`
      Throws:
        `XMLStreamException` - if there are errors freeing associated resources

    - #### getNamespaceURI

          public String getNamespaceURI(String prefix)

      Description copied from interface: `XMLStreamReader`
      Return the uri for the given prefix. The uri returned depends on the current state of the processor.

      NOTE:The 'xml' prefix is bound as defined in Namespaces in XML specification to "http://www.w3.org/XML/1998/namespace".

      NOTE: The 'xmlns' prefix must be resolved to following namespace http://www.w3.org/2000/xmlns/

      Specified by:
        `getNamespaceURI` in interface `XMLStreamReader`
      Parameters:
        `prefix` - The prefix to lookup, may not be null
      Returns:
        the uri bound to the given prefix or null if it is not bound

    - #### getNamespaceContext

          public NamespaceContext getNamespaceContext()

      Description copied from interface: `XMLStreamReader`
      Returns a read only namespace context for the current position. The context is transient and only valid until a call to next() changes the state of the reader.
      Specified by:
        `getNamespaceContext` in interface `XMLStreamReader`
      Returns:
        return a namespace context

    - #### isStartElement

          public boolean isStartElement()

      Description copied from interface: `XMLStreamReader`
      Returns true if the cursor points to a start tag (otherwise false)
      Specified by:
        `isStartElement` in interface `XMLStreamReader`
      Returns:
        true if the cursor points to a start tag, false otherwise

    - #### isEndElement

          public boolean isEndElement()

      Description copied from interface: `XMLStreamReader`
      Returns true if the cursor points to an end tag (otherwise false)
      Specified by:
        `isEndElement` in interface `XMLStreamReader`
      Returns:
        true if the cursor points to an end tag, false otherwise

    - #### isCharacters

          public boolean isCharacters()

      Description copied from interface: `XMLStreamReader`
      Returns true if the cursor points to a character data event
      Specified by:
        `isCharacters` in interface `XMLStreamReader`
      Returns:
        true if the cursor points to character data, false otherwise

    - #### isWhiteSpace

          public boolean isWhiteSpace()

      Description copied from interface: `XMLStreamReader`
      Returns true if the cursor points to a character data event that consists of all whitespace
      Specified by:
        `isWhiteSpace` in interface `XMLStreamReader`
      Returns:
        true if the cursor points to all whitespace, false otherwise

    - #### getAttributeValue

          public String getAttributeValue(String namespaceUri,
                                          String localName)

      Description copied from interface: `XMLStreamReader`
      Returns the normalized attribute value of the attribute with the namespace and localName If the namespaceURI is null the namespace is not checked for equality
      Specified by:
        `getAttributeValue` in interface `XMLStreamReader`
      Parameters:
        `namespaceUri` - the namespace of the attribute
        `localName` - the local name of the attribute, cannot be null
      Returns:
        returns the value of the attribute , returns null if not found

    - #### getAttributeCount

          public int getAttributeCount()

      Description copied from interface: `XMLStreamReader`
      Returns the count of attributes on this START_ELEMENT, this method is only valid on a START_ELEMENT or ATTRIBUTE. This count excludes namespace definitions. Attribute indices are zero-based.
      Specified by:
        `getAttributeCount` in interface `XMLStreamReader`
      Returns:
        returns the number of attributes

    - #### getAttributeName

          public QName getAttributeName(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the qname of the attribute at the provided index
      Specified by:
        `getAttributeName` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the attribute
      Returns:
        the QName of the attribute

    - #### getAttributePrefix

          public String getAttributePrefix(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the prefix of this attribute at the provided index
      Specified by:
        `getAttributePrefix` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the attribute
      Returns:
        the prefix of the attribute

    - #### getAttributeNamespace

          public String getAttributeNamespace(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the namespace of the attribute at the provided index
      Specified by:
        `getAttributeNamespace` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the attribute
      Returns:
        the namespace URI (can be null)

    - #### getAttributeLocalName

          public String getAttributeLocalName(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the localName of the attribute at the provided index
      Specified by:
        `getAttributeLocalName` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the attribute
      Returns:
        the localName of the attribute

    - #### getAttributeType

          public String getAttributeType(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the XML type of the attribute at the provided index
      Specified by:
        `getAttributeType` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the attribute
      Returns:
        the XML type of the attribute

    - #### getAttributeValue

          public String getAttributeValue(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the value of the attribute at the index
      Specified by:
        `getAttributeValue` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the attribute
      Returns:
        the attribute value

    - #### isAttributeSpecified

          public boolean isAttributeSpecified(int index)

      Description copied from interface: `XMLStreamReader`
      Returns a boolean which indicates if this attribute was created by default
      Specified by:
        `isAttributeSpecified` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the attribute
      Returns:
        true if this is a default attribute

    - #### getNamespaceCount

          public int getNamespaceCount()

      Description copied from interface: `XMLStreamReader`
      Returns the count of namespaces declared on this START_ELEMENT or END_ELEMENT, this method is only valid on a START_ELEMENT, END_ELEMENT or NAMESPACE. On an END_ELEMENT the count is of the namespaces that are about to go out of scope. This is the equivalent of the information reported by SAX callback for an end element event.
      Specified by:
        `getNamespaceCount` in interface `XMLStreamReader`
      Returns:
        returns the number of namespace declarations on this specific element

    - #### getNamespacePrefix

          public String getNamespacePrefix(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the prefix for the namespace declared at the index. Returns null if this is the default namespace declaration
      Specified by:
        `getNamespacePrefix` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the namespace declaration
      Returns:
        returns the namespace prefix

    - #### getNamespaceURI

          public String getNamespaceURI(int index)

      Description copied from interface: `XMLStreamReader`
      Returns the uri for the namespace declared at the index.
      Specified by:
        `getNamespaceURI` in interface `XMLStreamReader`
      Parameters:
        `index` - the position of the namespace declaration
      Returns:
        returns the namespace uri

    - #### getEventType

          public int getEventType()

      Description copied from interface: `XMLStreamReader`
      Returns an integer code that indicates the type of the event the cursor is pointing to.
      Specified by:
        `getEventType` in interface `XMLStreamReader`

    - #### getText

          public String getText()

      Description copied from interface: `XMLStreamReader`
      Returns the current value of the parse event as a string, this returns the string value of a CHARACTERS event, returns the value of a COMMENT, the replacement value for an ENTITY_REFERENCE, the string value of a CDATA section, the string value for a SPACE event, or the String value of the internal subset of the DTD. If an ENTITY_REFERENCE has been resolved, any character data will be reported as CHARACTERS events.
      Specified by:
        `getText` in interface `XMLStreamReader`
      Returns:
        the current text or null

    - #### getTextCharacters

          public int getTextCharacters(int sourceStart,
                                       char[] target,
                                       int targetStart,
                                       int length)
                                throws XMLStreamException

      Description copied from interface: `XMLStreamReader`
      Gets the the text associated with a CHARACTERS, SPACE or CDATA event. Text starting a "sourceStart" is copied into "target" starting at "targetStart". Up to "length" characters are copied. The number of characters actually copied is returned. The "sourceStart" argument must be greater or equal to 0 and less than or equal to the number of characters associated with the event. Usually, one requests text starting at a "sourceStart" of 0. If the number of characters actually copied is less than the "length", then there is no more text. Otherwise, subsequent calls need to be made until all text has been retrieved. For example: `int length = 1024; char[] myBuffer = new char[ length ]; for ( int sourceStart = 0 ; ; sourceStart += length ) { int nCopied = stream.getTextCharacters( sourceStart, myBuffer, 0, length ); if (nCopied < length) break; }` XMLStreamException may be thrown if there are any XML errors in the underlying source. The "targetStart" argument must be greater than or equal to 0 and less than the length of "target", Length must be greater than 0 and "targetStart + length" must be less than or equal to length of "target".
      Specified by:
        `getTextCharacters` in interface `XMLStreamReader`
      Parameters:
        `sourceStart` - the index of the first character in the source array to copy
        `target` - the destination array
        `targetStart` - the start offset in the target array
        `length` - the number of characters to copy
      Returns:
        the number of characters actually copied
      Throws:
        `XMLStreamException` - if the underlying XML source is not well-formed

    - #### getTextCharacters

          public char[] getTextCharacters()

      Description copied from interface: `XMLStreamReader`
      Returns an array which contains the characters from this event. This array should be treated as read-only and transient. I.e. the array will contain the text characters until the XMLStreamReader moves on to the next event. Attempts to hold onto the character array beyond that time or modify the contents of the array are breaches of the contract for this interface.
      Specified by:
        `getTextCharacters` in interface `XMLStreamReader`
      Returns:
        the current text or an empty array

    - #### getTextStart

          public int getTextStart()

      Description copied from interface: `XMLStreamReader`
      Returns the offset into the text character array where the first character (of this text event) is stored.
      Specified by:
        `getTextStart` in interface `XMLStreamReader`

    - #### getTextLength

          public int getTextLength()

      Description copied from interface: `XMLStreamReader`
      Returns the length of the sequence of characters for this Text event within the text character array.
      Specified by:
        `getTextLength` in interface `XMLStreamReader`

    - #### getEncoding

          public String getEncoding()

      Description copied from interface: `XMLStreamReader`
      Return input encoding if known or null if unknown.
      Specified by:
        `getEncoding` in interface `XMLStreamReader`
      Returns:
        the encoding of this instance or null

    - #### hasText

          public boolean hasText()

      Description copied from interface: `XMLStreamReader`
      Return true if the current event has text, false otherwise The following events have text: CHARACTERS,DTD ,ENTITY_REFERENCE, COMMENT, SPACE
      Specified by:
        `hasText` in interface `XMLStreamReader`

    - #### getLocation

          public Location getLocation()

      Description copied from interface: `XMLStreamReader`
      Return the current location of the processor. If the Location is unknown the processor should return an implementation of Location that returns -1 for the location and null for the publicId and systemId. The location information is only valid until next() is called.
      Specified by:
        `getLocation` in interface `XMLStreamReader`

    - #### getName

          public QName getName()

      Description copied from interface: `XMLStreamReader`
      Returns a QName for the current START_ELEMENT or END_ELEMENT event
      Specified by:
        `getName` in interface `XMLStreamReader`
      Returns:
        the QName for the current START_ELEMENT or END_ELEMENT event

    - #### getLocalName

          public String getLocalName()

      Description copied from interface: `XMLStreamReader`
      Returns the (local) name of the current event. For START_ELEMENT or END_ELEMENT returns the (local) name of the current element. For ENTITY_REFERENCE it returns entity name. The current event must be START_ELEMENT or END_ELEMENT, or ENTITY_REFERENCE
      Specified by:
        `getLocalName` in interface `XMLStreamReader`
      Returns:
        the localName

    - #### hasName

          public boolean hasName()

      Description copied from interface: `XMLStreamReader`
      returns true if the current event has a name (is a START_ELEMENT or END_ELEMENT) returns false otherwise
      Specified by:
        `hasName` in interface `XMLStreamReader`

    - #### getNamespaceURI

          public String getNamespaceURI()

      Description copied from interface: `XMLStreamReader`
      If the current event is a START_ELEMENT or END_ELEMENT this method returns the URI of the prefix or the default namespace. Returns null if the event does not have a prefix.
      Specified by:
        `getNamespaceURI` in interface `XMLStreamReader`
      Returns:
        the URI bound to this elements prefix, the default namespace, or null

    - #### getPrefix

          public String getPrefix()

      Description copied from interface: `XMLStreamReader`
      Returns the prefix of the current event or null if the event does not have a prefix
      Specified by:
        `getPrefix` in interface `XMLStreamReader`
      Returns:
        the prefix or null

    - #### getVersion

          public String getVersion()

      Description copied from interface: `XMLStreamReader`
      Get the xml version declared on the xml declaration Returns null if none was declared
      Specified by:
        `getVersion` in interface `XMLStreamReader`
      Returns:
        the XML version or null

    - #### isStandalone

          public boolean isStandalone()

      Description copied from interface: `XMLStreamReader`
      Get the standalone declaration from the xml declaration
      Specified by:
        `isStandalone` in interface `XMLStreamReader`
      Returns:
        true if this is standalone, or false otherwise

    - #### standaloneSet

          public boolean standaloneSet()

      Description copied from interface: `XMLStreamReader`
      Checks if standalone was set in the document
      Specified by:
        `standaloneSet` in interface `XMLStreamReader`
      Returns:
        true if standalone was set in the document, or false otherwise

    - #### getCharacterEncodingScheme

          public String getCharacterEncodingScheme()

      Description copied from interface: `XMLStreamReader`
      Returns the character encoding declared on the xml declaration Returns null if none was declared
      Specified by:
        `getCharacterEncodingScheme` in interface `XMLStreamReader`
      Returns:
        the encoding declared in the document or null

    - #### getPITarget

          public String getPITarget()

      Description copied from interface: `XMLStreamReader`
      Get the target of a processing instruction
      Specified by:
        `getPITarget` in interface `XMLStreamReader`
      Returns:
        the target or null

    - #### getPIData

          public String getPIData()

      Description copied from interface: `XMLStreamReader`
      Get the data section of a processing instruction
      Specified by:
        `getPIData` in interface `XMLStreamReader`
      Returns:
        the data or null

    - #### getProperty

          public Object getProperty(String name)

      Description copied from interface: `XMLStreamReader`
      Get the value of a feature/property from the underlying implementation
      Specified by:
        `getProperty` in interface `XMLStreamReader`
      Parameters:
        `name` - The name of the property, may not be null
      Returns:
        The value of the property

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2026, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.