infovis.io
Class AbstractXMLReader

java.lang.Object
  infovis.io.AbstractReader
      infovis.io.AbstractXMLReader

All Implemented Interfaces:

ContentHandler, EntityResolver

Direct Known Subclasses:

GraphMLReader, SimpleXMLTreeReader

public abstract class AbstractXMLReader
extends AbstractReader
implements ContentHandler, EntityResolver

Abstract Reader for XML format.

Version:

$Revision: 1.22 $

Author:

Jean-Daniel Fekete

Constructor Summary

AbstractXMLReader(InputStream in, String name)
Creates a new AbstractXMLReader object.

Method Summary

void	characters(char[] ch, int start, int length)
void	endDocument()
void	endElement(String namespaceURI, String localName, String qName)
void	endPrefixMapping(String prefix)
void	ignorableWhitespace(char[] ch, int start, int length)
boolean	load() Main method for loading the file.
void	processingInstruction(String target, String data)
InputSource	resolveEntity(String publicId, String systemId)
void	setDocumentLocator(Locator locator)
void	skippedEntity(String name)
void	startDocument()
void	startElement(String namespaceURI, String localName, String qName, Attributes atts)
void	startPrefixMapping(String prefix, String uri)

Methods inherited from class infovis.io.AbstractReader

close, createColumn, getBufferedReader, getEncoding, getIn, getName, guessFieldType, setEncoding, setIn, setName

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractXMLReader

public AbstractXMLReader(InputStream in,
                         String name)

Creates a new AbstractXMLReader object.

Parameters:

in - the InputStream

name - a given name

Method Detail

load

public boolean load()

Description copied from class: AbstractReader

Main method for loading the file. The loading may fail at any point, leaving the table in an indefinite state if the methods returns false.

Specified by:

load in class AbstractReader

Returns:

true if the file has been loaded without error, false otherwise.

See Also:

AbstractReader.load()

characters

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

Specified by:

characters in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.characters(char[], int, int)

endDocument

public void endDocument()
                 throws SAXException

Specified by:

endDocument in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.endDocument()

endElement

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

Specified by:

endElement in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.endElement(String, String, String)

endPrefixMapping

public void endPrefixMapping(String prefix)
                      throws SAXException

Specified by:

endPrefixMapping in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.endPrefixMapping(String)

ignorableWhitespace

public void ignorableWhitespace(char[] ch,
                                int start,
                                int length)
                         throws SAXException

Specified by:

ignorableWhitespace in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.ignorableWhitespace(char[], int, int)

processingInstruction

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

Specified by:

processingInstruction in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.processingInstruction(String, String)

setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

See Also:

ContentHandler.setDocumentLocator(Locator)

skippedEntity

public void skippedEntity(String name)
                   throws SAXException

Specified by:

skippedEntity in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.skippedEntity(String)

startDocument

public void startDocument()
                   throws SAXException

Specified by:

startDocument in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.startDocument()

startElement

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

Specified by:

startElement in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.startElement(String, String, String, Attributes)

startPrefixMapping

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

Specified by:

startPrefixMapping in interface ContentHandler

Throws:

SAXException

See Also:

ContentHandler.startPrefixMapping(String, String)

resolveEntity

public InputSource resolveEntity(String publicId,
                                 String systemId)
                          throws SAXException,
                                 IOException

Specified by:

resolveEntity in interface EntityResolver

Throws:

SAXException

IOException

See Also:

EntityResolver.resolveEntity(String, String)