edu.isi.pegasus.planner.client
Class DAXValidator

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      edu.isi.pegasus.planner.client.DAXValidator

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class DAXValidator
extends DefaultHandler

This class reads to validate a DAX document. It requires at least Xerces-J 2.10.

Field Summary

protected int	m_errors Counts the number of errors.
protected int	m_fatals Counts the number of fatal errors.
private Locator	m_location Keep the location within the document.
private XMLReader	m_reader Holds the instance of a XMLReader class.
private String	m_schemafile what is the name of the schema file in the filename hint?
protected boolean	m_verbose How verbose should we be?
protected int	m_warnings Counts the number of warnings.
static String	SCHEMA_NAMESPACE URI namespace for DAX schema.
protected static String	vendorParserClass Default parser is the Xerces parser.

Constructor Summary

DAXValidator(boolean verbose)
default c'tor

Method Summary

void	characters(char[] ch, int start, int length)
void	endDocument()
void	endElement(String nsURI, String localName, String qName)
void	error(SAXParseException ex)
void	fatalError(SAXParseException ex)
private String	full_where()
void	ignorableWhitespace(char[] ch, int start, int length)
static void	main(String[] args)
void	parse(String filename)
private boolean	prop(String uri, Object value) Sets a SAX property while capturing failed features right here.
private boolean	set(String uri, boolean flag) Sets a feature while capturing failed features right here.
void	setDocumentLocator(Locator locator)
void	startDocument()
void	startElement(String nsURI, String localName, String qName, Attributes attrs)
boolean	statistics() Show how many warnings, errors and fatals were shown.
void	warning(SAXParseException ex)
private String	where()

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endPrefixMapping, notationDecl, processingInstruction, resolveEntity, skippedEntity, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object

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

Field Detail

vendorParserClass

protected static final String vendorParserClass

Default parser is the Xerces parser.

See Also:

Constant Field Values

SCHEMA_NAMESPACE

public static final String SCHEMA_NAMESPACE

URI namespace for DAX schema.

See Also:

Constant Field Values

m_schemafile

private String m_schemafile

what is the name of the schema file in the filename hint?

m_reader

private XMLReader m_reader

Holds the instance of a XMLReader class.

m_location

private Locator m_location

Keep the location within the document.

m_verbose

protected boolean m_verbose

How verbose should we be?

m_warnings

protected int m_warnings

Counts the number of warnings.

m_errors

protected int m_errors

Counts the number of errors.

m_fatals

protected int m_fatals

Counts the number of fatal errors.

Constructor Detail

DAXValidator

public DAXValidator(boolean verbose)
             throws Exception

default c'tor

Throws:

Exception

Method Detail

set

private boolean set(String uri,
                    boolean flag)

Sets a feature while capturing failed features right here.

Parameters:

uri - is the feature's URI to modify

flag - is the new value to set.

Returns:

true, if the feature could be set, false for an exception

prop

private boolean prop(String uri,
                     Object value)

Sets a SAX property while capturing failed features right here.

Parameters:

uri - is the property's URI to modify

value - is the new value to set.

Returns:

true, if the feature could be set, false for an exception

warning

public void warning(SAXParseException ex)
             throws SAXException

Specified by:

warning in interface ErrorHandler

Overrides:

warning in class DefaultHandler

Throws:

SAXException

error

public void error(SAXParseException ex)
           throws SAXException

Specified by:

error in interface ErrorHandler

Overrides:

error in class DefaultHandler

Throws:

SAXException

fatalError

public void fatalError(SAXParseException ex)
                throws SAXException

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class DefaultHandler

Throws:

SAXException

setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

Overrides:

setDocumentLocator in class DefaultHandler

full_where

private String full_where()

where

private String where()

startDocument

public void startDocument()
                   throws SAXException

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class DefaultHandler

Throws:

SAXException

endDocument

public void endDocument()

Specified by:

endDocument in interface ContentHandler

Overrides:

endDocument in class DefaultHandler

startElement

public void startElement(String nsURI,
                         String localName,
                         String qName,
                         Attributes attrs)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Throws:

SAXException

endElement

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

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Throws:

SAXException

characters

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

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Throws:

SAXException

ignorableWhitespace

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

Specified by:

ignorableWhitespace in interface ContentHandler

Overrides:

ignorableWhitespace in class DefaultHandler

Throws:

SAXException

parse

public void parse(String filename)
           throws Exception

Throws:

Exception

statistics

public boolean statistics()

Show how many warnings, errors and fatals were shown.

Returns:

true, if we should transmit an error exit code.

main

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

Throws:

Exception