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## weka.core.xml
Class XMLOptions

    java.lang.Object
      weka.core.xml.XMLOptions

All Implemented Interfaces:
  RevisionHandler

    public class XMLOptions

extends java.lang.Object
implements RevisionHandler

A class for transforming options listed in XML to a regular WEKA command line string.

Version:
  $Revision: 1.4 $
Author:
  FracPete (fracpete at waikato dot ac dot nz)

Field Summary
`static java.lang.String` | `ATT_NAME` the name attribute.
`static java.lang.String` | `ATT_TYPE` the type attribute.
`static java.lang.String` | `ATT_VALUE` the value attribute.
`static java.lang.String` | `DOCTYPE` the DTD for the XML file.
`static java.lang.String` | `ROOT_NODE` the root node.
`static java.lang.String` | `TAG_OPTION` tag for a single option.
`static java.lang.String` | `TAG_OPTIONS` tag for a list of options.
`static java.lang.String` | `VAL_TYPE_CLASSIFIER` a value of the type attribute.
`static java.lang.String` | `VAL_TYPE_FLAG` a value of the type attribute.
`static java.lang.String` | `VAL_TYPE_HYPHENS` a value of the type attribute.
`static java.lang.String` | `VAL_TYPE_OPTIONHANDLER` a value of the type attribute.
`static java.lang.String` | `VAL_TYPE_QUOTES` a value of the type attribute.
`static java.lang.String` | `VAL_TYPE_SINGLE` a value of the type attribute.

Constructor Summary
`XMLOptions()` Creates a new instance of XMLOptions.
`XMLOptions(java.io.File file)` Creates a new instance of XMLOptions.
`XMLOptions(java.io.InputStream stream)` Creates a new instance of XMLOptions.
`XMLOptions(java.io.Reader reader)` Creates a new instance of XMLOptions.
`XMLOptions(java.lang.String xml)` Creates a new instance of XMLOptions.

Method Summary
`org.w3c.dom.Document` | `getDocument()` returns the parsed DOM document.
`java.lang.String` | `getRevision()` Returns the revision string.
`boolean` | `getValidating()` returns whether a validating parser is used.
`XMLDocument` | `getXMLDocument()` returns the handler of the XML document.
`static void` | `main(java.lang.String[] args)` for testing only.
`void` | `setValidating(boolean validating)` sets whether to use a validating parser or not.
`java.lang.String[]` | `toArray()` returns the current DOM document as string array.
`java.lang.String` | `toCommandLine()` returns the given DOM document as command line.
`java.lang.String` | `toString()` returns the object in a string representation (as indented XML output).

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

Field Detail

### TAG_OPTION

    public static final java.lang.String TAG_OPTION

  tag for a single option.

  See Also:
    Constant Field Values

### TAG_OPTIONS

    public static final java.lang.String TAG_OPTIONS

  tag for a list of options.

  See Also:
    Constant Field Values

### ATT_NAME

    public static final java.lang.String ATT_NAME

  the name attribute.

  See Also:
    Constant Field Values

### ATT_TYPE

    public static final java.lang.String ATT_TYPE

  the type attribute.

  See Also:
    Constant Field Values

### ATT_VALUE

    public static final java.lang.String ATT_VALUE

  the value attribute.

  See Also:
    Constant Field Values

### VAL_TYPE_FLAG

    public static final java.lang.String VAL_TYPE_FLAG

  a value of the type attribute.

  See Also:
    Constant Field Values

### VAL_TYPE_SINGLE

    public static final java.lang.String VAL_TYPE_SINGLE

  a value of the type attribute.

  See Also:
    Constant Field Values

### VAL_TYPE_HYPHENS

    public static final java.lang.String VAL_TYPE_HYPHENS

  a value of the type attribute.

  See Also:
    Constant Field Values

### VAL_TYPE_QUOTES

    public static final java.lang.String VAL_TYPE_QUOTES

  a value of the type attribute.

  See Also:
    Constant Field Values

### VAL_TYPE_CLASSIFIER

    public static final java.lang.String VAL_TYPE_CLASSIFIER

  a value of the type attribute.

  See Also:
    Constant Field Values

### VAL_TYPE_OPTIONHANDLER

    public static final java.lang.String VAL_TYPE_OPTIONHANDLER

  a value of the type attribute.

  See Also:
    Constant Field Values

### ROOT_NODE

    public static final java.lang.String ROOT_NODE

  the root node.

  See Also:
    Constant Field Values

### DOCTYPE

    public static final java.lang.String DOCTYPE

  the DTD for the XML file.

  See Also:
    Constant Field Values

Constructor Detail

### XMLOptions

    public XMLOptions()
               throws java.lang.Exception

  Creates a new instance of XMLOptions.

  Throws:
    `java.lang.Exception` - if the construction of the DocumentBuilder fails
  See Also:
    `setValidating(boolean)`

### XMLOptions

    public XMLOptions(java.lang.String xml)
               throws java.lang.Exception

  Creates a new instance of XMLOptions.

  Parameters:
    `xml` - the xml to parse (if "Throws:
    `java.lang.Exception` - if the construction of the DocumentBuilder fails
  See Also:
    `setValidating(boolean)`

### XMLOptions

    public XMLOptions(java.io.File file)
               throws java.lang.Exception

  Creates a new instance of XMLOptions.

  Parameters:
    `file` - the XML file to parse
  Throws:
    `java.lang.Exception` - if the construction of the DocumentBuilder fails
  See Also:
    `setValidating(boolean)`

### XMLOptions

    public XMLOptions(java.io.InputStream stream)
               throws java.lang.Exception

  Creates a new instance of XMLOptions.

  Parameters:
    `stream` - the XML stream to parse
  Throws:
    `java.lang.Exception` - if the construction of the DocumentBuilder fails
  See Also:
    `setValidating(boolean)`

### XMLOptions

    public XMLOptions(java.io.Reader reader)
               throws java.lang.Exception

  Creates a new instance of XMLOptions.

  Parameters:
    `reader` - the XML reader to parse
  Throws:
    `java.lang.Exception` - if the construction of the DocumentBuilder fails
  See Also:
    `setValidating(boolean)`

Method Detail

### getValidating

    public boolean getValidating()

  returns whether a validating parser is used.

  Returns:
    whether a validating parser is used

### setValidating

    public void setValidating(boolean validating)
                       throws java.lang.Exception

  sets whether to use a validating parser or not.
  Note: this does clear the current DOM document!

  Parameters:
    `validating` - whether to use a validating parser
  Throws:
    `java.lang.Exception` - if the instantiating of the DocumentBuilder fails

### getDocument

    public org.w3c.dom.Document getDocument()

  returns the parsed DOM document.

  Returns:
    the parsed DOM document

### getXMLDocument

    public XMLDocument getXMLDocument()

  returns the handler of the XML document. the internal DOM document can be accessed via the `getDocument()` method.

  Returns:
    the object handling the XML document
  See Also:
    `getDocument()`

### toCommandLine

    public java.lang.String toCommandLine()
                                   throws java.lang.Exception

  returns the given DOM document as command line.

  Returns:
    the document as command line
  Throws:
    `java.lang.Exception` - if anything goes wrong initializing the parsing

### toArray

    public java.lang.String[] toArray()
                               throws java.lang.Exception

  returns the current DOM document as string array.

  Returns:
    the document as string array
  Throws:
    `java.lang.Exception` - if anything goes wrong initializing the parsing

### toString

    public java.lang.String toString()

  returns the object in a string representation (as indented XML output).

  Overrides:
    `toString` in class `java.lang.Object`
  Returns:
    the object in a string representation

### getRevision

    public java.lang.String getRevision()

  Returns the revision string.

  Specified by:
    `getRevision` in interface `RevisionHandler`
  Returns:
    the revision

### main

    public static void main(java.lang.String[] args)
                     throws java.lang.Exception

  for testing only. prints the given XML file, the resulting commandline and the string array.

  Parameters:
    `args` - the commandline options.
  Throws:
    `java.lang.Exception` - if something goes wrong

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