org.omegahat.XML.Readers
Class BasicXMLDataFrameReader

java.lang.Object
  |
  +--org.omegahat.XML.Readers.DegenerateXMLDocumentHandler
        |
        +--org.omegahat.XML.Readers.BasicXMLDataFrameReader

All Implemented Interfaces:

org.xml.sax.DocumentHandler

Direct Known Subclasses:

XMLDataFrameByVariableReader, XMLDataFrameReader

public abstract class BasicXMLDataFrameReader

extends DegenerateXMLDocumentHandler

Implementation class providing common code and fields for the different XML Data Frame readers in this package which work row and columnwise.

Field Summary

protected java.lang.String	currentVariableType
protected boolean	expectingVariableName
protected java.lang.String[]	factorLevels
protected java.util.Hashtable	metaData Used to store attribute lists for elements that might store these as meta-data, allowing additional properties to be stored with the variable and dataset such as comments, source of datasets, etc.
java.lang.String	ParserClass

Constructor Summary

BasicXMLDataFrameReader()

BasicXMLDataFrameReader(java.io.File f)
Read the data from a file.

BasicXMLDataFrameReader(java.lang.String s)

BasicXMLDataFrameReader(java.net.URL u)

Method Summary

void	characters(char[] ch, int start, int length)
VariableInt	createVariable()
DataFrameInt	dataSet()
DataFrameInt	dataSet(DataFrameInt d)
void	endElement(java.lang.String name)
VariableInt	initializeVariable(org.xml.sax.AttributeList atts)
boolean	read(java.io.File f)
boolean	read(org.xml.sax.InputSource input)
boolean	read(org.xml.sax.InputSource input, org.xml.sax.Parser parser)
boolean	read(java.net.URL u)
void	startElement(java.lang.String name, org.xml.sax.AttributeList atts)

Methods inherited from class org.omegahat.XML.Readers.DegenerateXMLDocumentHandler

endDocument, ignorableWhitespace, processingInstruction, setDocumentLocator, startDocument

Methods inherited from class java.lang.Object

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

Field Detail

ParserClass

public java.lang.String ParserClass

expectingVariableName

protected boolean expectingVariableName

factorLevels

protected java.lang.String[] factorLevels

currentVariableType

protected java.lang.String currentVariableType

metaData

protected java.util.Hashtable metaData

Used to store attribute lists for elements that might store these as meta-data, allowing additional properties to be stored with the variable and dataset such as comments, source of datasets, etc.

Constructor Detail

BasicXMLDataFrameReader

public BasicXMLDataFrameReader()

BasicXMLDataFrameReader

public BasicXMLDataFrameReader(java.net.URL u)
                        throws java.lang.ClassNotFoundException,
                               java.lang.InstantiationException,
                               java.lang.IllegalAccessException,
                               org.xml.sax.SAXException,
                               java.io.IOException

BasicXMLDataFrameReader

public BasicXMLDataFrameReader(java.io.File f)
                        throws java.lang.ClassNotFoundException,
                               java.lang.InstantiationException,
                               java.lang.IllegalAccessException,
                               org.xml.sax.SAXException,
                               java.io.IOException

Read the data from a file.

BasicXMLDataFrameReader

public BasicXMLDataFrameReader(java.lang.String s)
                        throws java.lang.ClassNotFoundException,
                               java.lang.InstantiationException,
                               java.lang.IllegalAccessException,
                               org.xml.sax.SAXException,
                               java.io.IOException

Method Detail

endElement

public void endElement(java.lang.String name)

Overrides:

endElement in class DegenerateXMLDocumentHandler

startElement

public void startElement(java.lang.String name,
                         org.xml.sax.AttributeList atts)

Overrides:

startElement in class DegenerateXMLDocumentHandler

characters

public void characters(char[] ch,
                       int start,
                       int length)

Overrides:

characters in class DegenerateXMLDocumentHandler

read

public boolean read(java.net.URL u)
             throws java.lang.ClassNotFoundException,
                    java.lang.InstantiationException,
                    java.lang.IllegalAccessException,
                    org.xml.sax.SAXException,
                    java.io.IOException

read

public boolean read(java.io.File f)
             throws java.lang.ClassNotFoundException,
                    java.lang.InstantiationException,
                    java.lang.IllegalAccessException,
                    org.xml.sax.SAXException,
                    java.io.IOException,
                    java.net.MalformedURLException

read

public boolean read(org.xml.sax.InputSource input)
             throws java.lang.ClassNotFoundException,
                    java.lang.InstantiationException,
                    java.lang.IllegalAccessException,
                    org.xml.sax.SAXException,
                    java.io.IOException

read

public boolean read(org.xml.sax.InputSource input,
                    org.xml.sax.Parser parser)
             throws org.xml.sax.SAXException,
                    java.io.IOException

initializeVariable

public VariableInt initializeVariable(org.xml.sax.AttributeList atts)

createVariable

public VariableInt createVariable()

dataSet

public DataFrameInt dataSet()

dataSet

public DataFrameInt dataSet(DataFrameInt d)