Package ml.options

Class SchemaValidator

  • All Implemented Interfaces:
    org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler
    public class SchemaValidator
extends org.xml.sax.helpers.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

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void error​(org.xml.sax.SAXParseException ex)
      A method required by the org.xml.sax.ErrorHandler interface
      void fatalError​(org.xml.sax.SAXParseException ex)
      A method required by the org.xml.sax.ErrorHandler interface
      java.lang.String getError()
      Retrieve the error message set by the org.xml.sax.ErrorHandler methods.
      boolean validate​(java.io.Reader xmlReader)
      The actual validation method.
      void warning​(org.xml.sax.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

    • Constructor Detail

      • SchemaValidator

        public SchemaValidator()

    • Method Detail

      • validate

        public boolean validate​(java.io.Reader xmlReader)
                 throws java.io.IOException,
                        org.xml.sax.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:
        java.io.IOException
        org.xml.sax.SAXException

      • getError

        public java.lang.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​(org.xml.sax.SAXParseException ex)
             throws org.xml.sax.SAXException
        A method required by the org.xml.sax.ErrorHandler interface

        Specified by:
        warning in interface org.xml.sax.ErrorHandler
        Overrides:
        warning in class org.xml.sax.helpers.DefaultHandler
        Parameters:
        ex - A parsing exception
        Throws:
        org.xml.sax.SAXException

      • error

        public void error​(org.xml.sax.SAXParseException ex)
           throws org.xml.sax.SAXException
        A method required by the org.xml.sax.ErrorHandler interface

        Specified by:
        error in interface org.xml.sax.ErrorHandler
        Overrides:
        error in class org.xml.sax.helpers.DefaultHandler
        Parameters:
        ex - A parsing exception
        Throws:
        org.xml.sax.SAXException

      • fatalError

        public void fatalError​(org.xml.sax.SAXParseException ex)
                throws org.xml.sax.SAXException
        A method required by the org.xml.sax.ErrorHandler interface

        Specified by:
        fatalError in interface org.xml.sax.ErrorHandler
        Overrides:
        fatalError in class org.xml.sax.helpers.DefaultHandler
        Parameters:
        ex - A parsing exception
        Throws:
        org.xml.sax.SAXException