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## groovy.util
Class XmlParser

    java.lang.Object
      groovy.util.XmlParser

All Implemented Interfaces:
  ContentHandler

    public class XmlParser

extends Object
implements ContentHandler

A helper class for parsing XML into a tree of Node instances for a simple way of processing XML. This parser does not preserve the XML InfoSet - if that's what you need try using W3C DOM, dom4j, JDOM, XOM etc. This parser ignores comments and processing instructions and converts the XML into a Node for each element in the XML with attributes and child Nodes and Strings. This simple model is sufficient for most simple use cases of processing XML.

Version:
  $Revision: 10259 $
Author:
  James Strachan, Paul King

Constructor Summary
`XmlParser()`
`XmlParser(boolean validating, boolean namespaceAware)`
`XmlParser(SAXParser parser)`
`XmlParser(XMLReader reader)`

Method Summary
`protected void` | `addTextToNode()`
`void` | `characters(char[] buffer, int start, int length)`
`void` | `endDocument()`
`void` | `endElement(String namespaceURI, String localName, String qName)`
`void` | `endPrefixMapping(String prefix)`
`Locator` | `getDocumentLocator()`
`DTDHandler` | `getDTDHandler()`
`protected Object` | `getElementName(String namespaceURI, String localName, String qName)`
`EntityResolver` | `getEntityResolver()`
`ErrorHandler` | `getErrorHandler()`
`boolean` | `getFeature(String uri)`
`Object` | `getProperty(String uri)`
`protected XMLReader` | `getXMLReader()`
`void` | `ignorableWhitespace(char[] buffer, int start, int len)`
`boolean` | `isNamespaceAware()` Determine if namspace handling is enabled.
`boolean` | `isTrimWhitespace()` Returns the current trim whitespace setting.
`Node` | `parse(File file)` Parses the content of the given file as XML turning it into a tree of Nodes.
`Node` | `parse(InputSource input)` Parse the content of the specified input source into a tree of Nodes.
`Node` | `parse(InputStream input)` Parse the content of the specified input stream into a tree of Nodes.
`Node` | `parse(Reader in)` Parse the content of the specified reader into a tree of Nodes.
`Node` | `parse(String uri)` Parse the content of the specified URI into a tree of Nodes.
`Node` | `parseText(String text)` A helper method to parse the given text as XML.
`void` | `processingInstruction(String target, String data)`
`void` | `setDocumentLocator(Locator locator)`
`void` | `setDTDHandler(DTDHandler dtdHandler)`
`void` | `setEntityResolver(EntityResolver entityResolver)`
`void` | `setErrorHandler(ErrorHandler errorHandler)`
`void` | `setFeature(String uri, boolean value)`
`void` | `setNamespaceAware(boolean namespaceAware)` Enable and/or disable namspace handling.
`void` | `setProperty(String uri, Object value)`
`void` | `setTrimWhitespace(boolean trimWhitespace)` Sets the trim whitespace setting value.
`void` | `skippedEntity(String name)`
`void` | `startDocument()`
`void` | `startElement(String namespaceURI, String localName, String qName, Attributes list)`
`void` | `startPrefixMapping(String prefix, String namespaceURI)`

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

Constructor Detail

### XmlParser

    public XmlParser()
              throws ParserConfigurationException,
                     SAXException

Throws:
  `ParserConfigurationException`
  `SAXException`

### XmlParser

    public XmlParser(boolean validating,
                     boolean namespaceAware)
              throws ParserConfigurationException,
                     SAXException

Throws:
  `ParserConfigurationException`
  `SAXException`

### XmlParser

    public XmlParser(XMLReader reader)

### XmlParser

    public XmlParser(SAXParser parser)
              throws SAXException

Throws:
  `SAXException`

Method Detail

### isTrimWhitespace

    public boolean isTrimWhitespace()

  Returns the current trim whitespace setting.

  Returns:
    true if whitespace will be trimmed

### setTrimWhitespace

    public void setTrimWhitespace(boolean trimWhitespace)

  Sets the trim whitespace setting value.

  Parameters:
    `trimWhitespace` - the desired setting value

### parse

    public Node parse(File file)
               throws IOException,
                      SAXException

  Parses the content of the given file as XML turning it into a tree of Nodes.

  Parameters:
    `file` - the File containing the XML to be parsed
  Returns:
    the root node of the parsed tree of Nodes
  Throws:
    `SAXException` - Any SAX exception, possibly wrapping another exception.
    `IOException` - An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

### parse

    public Node parse(InputSource input)
               throws IOException,
                      SAXException

  Parse the content of the specified input source into a tree of Nodes.

  Parameters:
    `input` - the InputSource for the XML to parse
  Returns:
    the root node of the parsed tree of Nodes
  Throws:
    `SAXException` - Any SAX exception, possibly wrapping another exception.
    `IOException` - An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

### parse

    public Node parse(InputStream input)
               throws IOException,
                      SAXException

  Parse the content of the specified input stream into a tree of Nodes. Note that using this method will not provide the parser with any URI for which to find DTDs etc

  Parameters:
    `input` - an InputStream containing the XML to be parsed
  Returns:
    the root node of the parsed tree of Nodes
  Throws:
    `SAXException` - Any SAX exception, possibly wrapping another exception.
    `IOException` - An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

### parse

    public Node parse(Reader in)
               throws IOException,
                      SAXException

  Parse the content of the specified reader into a tree of Nodes. Note that using this method will not provide the parser with any URI for which to find DTDs etc

  Parameters:
    `in` - a Reader to read the XML to be parsed
  Returns:
    the root node of the parsed tree of Nodes
  Throws:
    `SAXException` - Any SAX exception, possibly wrapping another exception.
    `IOException` - An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

### parse

    public Node parse(String uri)
               throws IOException,
                      SAXException

  Parse the content of the specified URI into a tree of Nodes.

  Parameters:
    `uri` - a String containing a uri pointing to the XML to be parsed
  Returns:
    the root node of the parsed tree of Nodes
  Throws:
    `SAXException` - Any SAX exception, possibly wrapping another exception.
    `IOException` - An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

### parseText

    public Node parseText(String text)
                   throws IOException,
                          SAXException

  A helper method to parse the given text as XML.

  Parameters:
    `text` - the XML text to parse
  Returns:
    the root node of the parsed tree of Nodes
  Throws:
    `SAXException` - Any SAX exception, possibly wrapping another exception.
    `IOException` - An IO exception from the parser, possibly from a byte stream or character stream supplied by the application.

### isNamespaceAware

    public boolean isNamespaceAware()

  Determine if namspace handling is enabled.

  Returns:
    true if namespace handling is enabled

### setNamespaceAware

    public void setNamespaceAware(boolean namespaceAware)

  Enable and/or disable namspace handling.

  Parameters:
    `namespaceAware` - the new desired value

### getDTDHandler

    public DTDHandler getDTDHandler()

### getEntityResolver

    public EntityResolver getEntityResolver()

### getErrorHandler

    public ErrorHandler getErrorHandler()

### getFeature

    public boolean getFeature(String uri)
                       throws SAXNotRecognizedException,
                              SAXNotSupportedException

  Throws:
    `SAXNotRecognizedException`
    `SAXNotSupportedException`

### getProperty

    public Object getProperty(String uri)
                       throws SAXNotRecognizedException,
                              SAXNotSupportedException

  Throws:
    `SAXNotRecognizedException`
    `SAXNotSupportedException`

### setDTDHandler

    public void setDTDHandler(DTDHandler dtdHandler)

### setEntityResolver

    public void setEntityResolver(EntityResolver entityResolver)

### setErrorHandler

    public void setErrorHandler(ErrorHandler errorHandler)

### setFeature

    public void setFeature(String uri,
                           boolean value)
                    throws SAXNotRecognizedException,
                           SAXNotSupportedException

  Throws:
    `SAXNotRecognizedException`
    `SAXNotSupportedException`

### setProperty

    public void setProperty(String uri,
                            Object value)
                     throws SAXNotRecognizedException,
                            SAXNotSupportedException

  Throws:
    `SAXNotRecognizedException`
    `SAXNotSupportedException`

### startDocument

    public void startDocument()
                       throws SAXException

  Specified by:
    `startDocument` in interface `ContentHandler`
  Throws:
    `SAXException`

### endDocument

    public void endDocument()
                     throws SAXException

  Specified by:
    `endDocument` in interface `ContentHandler`
  Throws:
    `SAXException`

### startElement

    public void startElement(String namespaceURI,
                             String localName,
                             String qName,
                             Attributes list)
                      throws SAXException

  Specified by:
    `startElement` in interface `ContentHandler`
  Throws:
    `SAXException`

### endElement

    public void endElement(String namespaceURI,
                           String localName,
                           String qName)
                    throws SAXException

  Specified by:
    `endElement` in interface `ContentHandler`
  Throws:
    `SAXException`

### characters

    public void characters(char[] buffer,
                           int start,
                           int length)
                    throws SAXException

  Specified by:
    `characters` in interface `ContentHandler`
  Throws:
    `SAXException`

### startPrefixMapping

    public void startPrefixMapping(String prefix,
                                   String namespaceURI)
                            throws SAXException

  Specified by:
    `startPrefixMapping` in interface `ContentHandler`
  Throws:
    `SAXException`

### endPrefixMapping

    public void endPrefixMapping(String prefix)
                          throws SAXException

  Specified by:
    `endPrefixMapping` in interface `ContentHandler`
  Throws:
    `SAXException`

### ignorableWhitespace

    public void ignorableWhitespace(char[] buffer,
                                    int start,
                                    int len)
                             throws SAXException

  Specified by:
    `ignorableWhitespace` in interface `ContentHandler`
  Throws:
    `SAXException`

### processingInstruction

    public void processingInstruction(String target,
                                      String data)
                               throws SAXException

  Specified by:
    `processingInstruction` in interface `ContentHandler`
  Throws:
    `SAXException`

### getDocumentLocator

    public Locator getDocumentLocator()

### setDocumentLocator

    public void setDocumentLocator(Locator locator)

  Specified by:
    `setDocumentLocator` in interface `ContentHandler`

### skippedEntity

    public void skippedEntity(String name)
                       throws SAXException

  Specified by:
    `skippedEntity` in interface `ContentHandler`
  Throws:
    `SAXException`

### getXMLReader

    protected XMLReader getXMLReader()

### addTextToNode

    protected void addTextToNode()

### getElementName

    protected Object getElementName(String namespaceURI,
                                    String localName,
                                    String qName)
                             throws SAXException

  Throws:
    `SAXException`

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