proper.xml
Class XMLInstances

java.lang.Object
  proper.xml.XMLInstances

public class XMLInstances
extends java.lang.Object

This class reads XML files representing Instances and writes Instances to XML.

Version:

$Revision: 1.2 $

Author:

FracPete

Field Summary

static java.lang.String	DATE_FORMAT the initial format for dates
static java.lang.String	DOCTYPE the DTD for the output
static java.lang.String	PI the PI for the output
static java.lang.String	TAG_ATTRIBUTE
static java.lang.String	TAG_ATTRIBUTES
static java.lang.String	TAG_INSTANCE
static java.lang.String	TAG_INSTANCES
static java.lang.String	TAG_RELATION
static java.lang.String	TAG_VALUE
static java.lang.String	TYPE_DATE
static java.lang.String	TYPE_NOMINAL
static java.lang.String	TYPE_NUMERIC
static java.lang.String	TYPE_STRING

Constructor Summary

XMLInstances()
initializes the object

XMLInstances(weka.core.Instances instances)
initializes the object with the given instances

Method Summary

java.lang.String	getDateFormat() returns the date format used in the DATE attributes
java.lang.String	getDoctype() returns the DTD used in the XML file
weka.core.Instances	getInstances() returns the current instances object (either read or set)
java.lang.String	getPI() returns the processing instructions to use in the file
static void	main(java.lang.String[] args) for testing only (first arg type [xml/arff], second arg filename)
weka.core.Instances	process(Document doc) transforms an XML document into an instances object
Document	process(weka.core.Instances instances) transforms instances into a XML document
boolean	read(java.lang.String filename) reads the instances from the given XML file, returns TRUE if successful
void	setDateFormat(java.lang.String dateFormat) sets the date format to use in the attributes
void	setDoctype(java.lang.String doctype) sets the DTD to use in XML file
void	setInstances(weka.core.Instances instances) sets the instances object to use
void	setPI(java.lang.String pi) sets the processing instructions to use in the file
static int	stringToType(java.lang.String typeStr) returns the WEKA Attribute type of the given string, default is STRING
static java.lang.String	typeToString(int type) returns a string representation of the given WEKA Attribute type, default is TYPE_STRING
boolean	write(java.lang.String filename) writes the current instances to the given filename, returns TRUE if successful
static boolean	write(java.lang.String filename, weka.core.Instances instances) writes the given instances to the given file, in XML format, returns TRUE if successful

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TYPE_DATE

public static final java.lang.String TYPE_DATE

See Also:

Constant Field Values

TYPE_NOMINAL

public static final java.lang.String TYPE_NOMINAL

See Also:

Constant Field Values

TYPE_NUMERIC

public static final java.lang.String TYPE_NUMERIC

See Also:

Constant Field Values

TYPE_STRING

public static final java.lang.String TYPE_STRING

See Also:

Constant Field Values

DOCTYPE

public static final java.lang.String DOCTYPE

the DTD for the output

See Also:

Constant Field Values

PI

public static final java.lang.String PI

the PI for the output

See Also:

Constant Field Values

DATE_FORMAT

public static final java.lang.String DATE_FORMAT

the initial format for dates

See Also:

Constant Field Values

TAG_RELATION

public static final java.lang.String TAG_RELATION

See Also:

Constant Field Values

TAG_ATTRIBUTES

public static final java.lang.String TAG_ATTRIBUTES

See Also:

Constant Field Values

TAG_ATTRIBUTE

public static final java.lang.String TAG_ATTRIBUTE

See Also:

Constant Field Values

TAG_INSTANCES

public static final java.lang.String TAG_INSTANCES

See Also:

Constant Field Values

TAG_INSTANCE

public static final java.lang.String TAG_INSTANCE

See Also:

Constant Field Values

TAG_VALUE

public static final java.lang.String TAG_VALUE

See Also:

Constant Field Values

Constructor Detail

XMLInstances

public XMLInstances()

initializes the object

XMLInstances

public XMLInstances(weka.core.Instances instances)

initializes the object with the given instances

Method Detail

setInstances

public void setInstances(weka.core.Instances instances)

sets the instances object to use

getInstances

public weka.core.Instances getInstances()

returns the current instances object (either read or set)

setDoctype

public void setDoctype(java.lang.String doctype)

sets the DTD to use in XML file

See Also:

DOCTYPE

getDoctype

public java.lang.String getDoctype()

returns the DTD used in the XML file

See Also:

DOCTYPE

setPI

public void setPI(java.lang.String pi)

sets the processing instructions to use in the file

See Also:

PI

getPI

public java.lang.String getPI()

returns the processing instructions to use in the file

See Also:

PI

setDateFormat

public void setDateFormat(java.lang.String dateFormat)

sets the date format to use in the attributes

See Also:

DATE_FORMAT

getDateFormat

public java.lang.String getDateFormat()

returns the date format used in the DATE attributes

See Also:

DATE_FORMAT

stringToType

public static int stringToType(java.lang.String typeStr)

returns the WEKA Attribute type of the given string, default is STRING

See Also:

Attribute.STRING

typeToString

public static java.lang.String typeToString(int type)

returns a string representation of the given WEKA Attribute type, default is TYPE_STRING

See Also:

TYPE_STRING

process

public Document process(weka.core.Instances instances)

transforms instances into a XML document

process

public weka.core.Instances process(Document doc)

transforms an XML document into an instances object

write

public boolean write(java.lang.String filename)

writes the current instances to the given filename, returns TRUE if successful

write

public static boolean write(java.lang.String filename,
                            weka.core.Instances instances)

writes the given instances to the given file, in XML format, returns TRUE if successful

read

public boolean read(java.lang.String filename)

reads the instances from the given XML file, returns TRUE if successful

main

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

for testing only (first arg type [xml/arff], second arg filename)

Throws:

java.lang.Exception