java.lang.Object

org.xml.sax.helpers.DefaultHandler

ml.options.SchemaValidator

All Implemented Interfaces:: ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class SchemaValidator extends DefaultHandler

Validator for XML documents using XML schema. This is based on JDK 5.0 and requires no outside library.

Constructor Summary

Constructors

Constructor

Description

SchemaValidator()
Method Summary

Modifier and Type

Method

Description

void

error(SAXParseException ex)

A method required by the org.xml.sax.ErrorHandler interface

void

fatalError(SAXParseException ex)

A method required by the org.xml.sax.ErrorHandler interface

String

getError()

Retrieve the error message set by the org.xml.sax.ErrorHandler methods.

boolean

validate(Reader xmlReader)

The actual validation method.

void

warning(SAXParseException ex)

A method required by the org.xml.sax.ErrorHandler interface

Methods inherited from class org.xml.sax.helpers.DefaultHandler
characters, endDocument, endElement, endPrefixMapping, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startElement, startPrefixMapping, unparsedEntityDecl

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.xml.sax.ContentHandler
declaration

Constructor Details
- SchemaValidator
  
  public SchemaValidator()
Method Details
- validate
  
  public boolean validate(Reader xmlReader) throws IOException, SAXException
  
  The actual validation method. If validation is not successful, the errors found can be retrieved using the getError() method.
  
  Parameters:
  
  xmlReader - The reader for the XML file to validate
  
  Returns:
  
  true if the XML file could be validated against the XML schema, else false
  
  Throws:
  
  IOException
  
  SAXException
- getError
  
  public String getError()
  
  Retrieve the error message set by the org.xml.sax.ErrorHandler methods. If no error has been found, null is returned.
  
  Returns:
  
  A string describing the error encountered
- warning
  
  public void warning(SAXParseException ex) throws SAXException
  
  A method required by the org.xml.sax.ErrorHandler interface
  
  Specified by:
  
  warning in interface ErrorHandler
  
  Overrides:
  
  warning in class DefaultHandler
  
  Parameters:
  
  ex - A parsing exception
  
  Throws:
  
  SAXException
- error
  
  public void error(SAXParseException ex) throws SAXException
  
  A method required by the org.xml.sax.ErrorHandler interface
  
  Specified by:
  
  error in interface ErrorHandler
  
  Overrides:
  
  error in class DefaultHandler
  
  Parameters:
  
  ex - A parsing exception
  
  Throws:
  
  SAXException
- fatalError
  
  public void fatalError(SAXParseException ex) throws SAXException
  
  A method required by the org.xml.sax.ErrorHandler interface
  
  Specified by:
  
  fatalError in interface ErrorHandler
  
  Overrides:
  
  fatalError in class DefaultHandler
  
  Parameters:
  
  ex - A parsing exception
  
  Throws:
  
  SAXException

Class SchemaValidator

Constructor Summary

Method Summary

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

Methods inherited from class java.lang.Object

Methods inherited from interface org.xml.sax.ContentHandler

Constructor Details

SchemaValidator

Method Details

validate

getError

warning

error

fatalError