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## org.red5.io.utils
Class Stax2DomBuilder

    java.lang.Object
      org.red5.io.utils.Stax2DomBuilder

    public class Stax2DomBuilder

extends Object

Builds a DOM `Document` using a `XMLStreamReader`.

Version:
  $Revision: 1.00 $, $Date: 2004/12/11 00:00:00 $
Author:
  Tatu Saloranta

Field Summary
`protected boolean` | `mCfgIgnoreWs` Whether ignorable white space should be ignored, ie not added in the resulting JDOM tree.
`protected String` | `mLastLocalName`
`protected String` | `mLastPrefix`
`protected String` | `mLastQName`
`protected boolean` | `mNsAware`

Constructor Summary
`Stax2DomBuilder()` Default constructor.

Method Summary
`Document` | `build(XMLStreamReader r)` This method will create a `Document` instance using the default JAXP mechanism and populate using the given StAX stream reader.
`void` | `build(XMLStreamReader r, Document doc)` This method will populate given `Document` using the given StAX stream reader instance.
`Document` | `build(XMLStreamReader r, DocumentBuilder docbuilder)`
`protected void` | `buildTree(XMLStreamReader r, Document doc)` This method takes a `XMLStreamReader` and builds up a JDOM tree.
`protected void` | `checkReaderSettings(XMLStreamReader r)`
`protected String` | `getQualified(String prefix, String localName)`
`void` | `setIgnoreWhitespace(boolean ignoreWS)` Method used to change whether the build methods will add ignorable (element) white space in the DOM tree or not.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### mCfgIgnoreWs

    protected boolean mCfgIgnoreWs

  Whether ignorable white space should be ignored, ie not added in the resulting JDOM tree. If true, it will be ignored; if false, it will be added in the tree. Default value if false.

### mNsAware

    protected boolean mNsAware

### mLastPrefix

    protected String mLastPrefix

### mLastLocalName

    protected String mLastLocalName

### mLastQName

    protected String mLastQName

Constructor Detail

### Stax2DomBuilder

    public Stax2DomBuilder()

  Default constructor.

Method Detail

### setIgnoreWhitespace

    public void setIgnoreWhitespace(boolean ignoreWS)

  Method used to change whether the build methods will add ignorable (element) white space in the DOM tree or not.

  Whether all-whitespace text segment is ignorable white space or not is based on DTD read in, as per XML specifications (white space is only significant in mixed content or pure text elements).

  Parameters:
    `ignoreWS` - true to ignore whitespace; false otherwise.

### build

    public Document build(XMLStreamReader r)
                   throws ParserConfigurationException,
                          XMLStreamException

  This method will create a `Document` instance using the default JAXP mechanism and populate using the given StAX stream reader.

  Parameters:
    `r` - Stream reader from which input is read.
  Returns:
    `Document` - DOM document object.
  Throws:
    `ParserConfigurationException` - if parse is not configured
    `XMLStreamException` - If the reader threw such exception (to indicate a parsing or I/O problem)

### build

    public Document build(XMLStreamReader r,
                          DocumentBuilder docbuilder)
                   throws XMLStreamException

  Throws:
    `XMLStreamException`

### build

    public void build(XMLStreamReader r,
                      Document doc)
               throws XMLStreamException

  This method will populate given `Document` using the given StAX stream reader instance.

  Parameters:
    `r` - Stream reader from which input is read.
    `doc` - `Document` - DOM document object.
  Throws:
    `XMLStreamException` - If the reader threw such exception (to indicate a parsing or I/O problem)

### buildTree

    protected void buildTree(XMLStreamReader r,
                             Document doc)
                      throws XMLStreamException

  This method takes a `XMLStreamReader` and builds up a JDOM tree. Recursion has been eliminated by using nodes' parent/child relationship; this improves performance somewhat (classic recursion-by-iteration-and-explicit stack transformation)

  Parameters:
    `r` - Stream reader to use for reading the document from which to build the tree
    `doc` - JDOM `Document` being built.
  Throws:
    `XMLStreamException` - for fun

### getQualified

    protected String getQualified(String prefix,
                                  String localName)

### checkReaderSettings

    protected void checkReaderSettings(XMLStreamReader r)
                                throws XMLStreamException

  Throws:
    `XMLStreamException`

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