Examples of javax.xml.transform.ErrorListener

javax.xml.transform.ErrorListener

To provide customized error handling, implement this interface and use the setErrorListener method to register an instance of the implmentation with the {@link javax.xml.transform.Transformer}. The Transformer then reports all errors and warnings through this interface.

If an application does not register its own custom ErrorListener, the default ErrorListener is used which reports all warnings and errors to System.err and does not throw any Exceptions. Applications are strongly encouraged to register and use ErrorListeners that insure proper behavior for warnings and errors.

For transformation errors, a Transformer must use this interface instead of throwing an Exception: it is up to the application to decide whether to throw an Exception for different types of errors and warnings. Note however that the Transformer is not required to continue with the transformation after a call to {@link #fatalError(TransformerException exception)}.

Transformers may use this mechanism to report XML parsing errors as well as transformation errors.

   */
  void error(int msg, Object[] args) throws TransformerException
  {


    String fmsg = XSLMessages.createXPATHMessage(msg, args);
    ErrorListener ehandler = this.getErrorListener();


    TransformerException te = new TransformerException(fmsg, m_sourceLocator);
    if (null != ehandler)
    {
      // TO DO: Need to get stylesheet Locator from here.
      ehandler.fatalError(te);
    }
    else
    {
      // System.err.println(fmsg);
      throw te;

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   * @see <a href="http://www.w3.org/TR/xslt#section-Expressions">Section 4 Expressions in XSLT Specification</a>
   */
  public XPath createXPath(String str, ElemTemplateElement owningTemplate)
          throws javax.xml.transform.TransformerException
  {
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();
    XPath xpath = new XPath(str, owningTemplate, this, XPath.SELECT, handler);
    // Visit the expression, registering namespaces for any extension functions it includes.
    xpath.callVisitors(xpath, new ExpressionVisitor(getStylesheetRoot()));
    return xpath;
  }

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   * @see <a href="http://www.w3.org/TR/xslt#patterns">Section 5.2 Patterns in XSLT Specification</a>
   */
  XPath createMatchPatternXPath(String str, ElemTemplateElement owningTemplate)
          throws javax.xml.transform.TransformerException
  {
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();
    XPath xpath = new XPath(str, owningTemplate, this, XPath.MATCH, handler);
    // Visit the expression, registering namespaces for any extension functions it includes.
    xpath.callVisitors(xpath, new ExpressionVisitor(getStylesheetRoot()));
    return xpath;    
  }

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  public void warn(int msg, Object args[]) throws org.xml.sax.SAXException
  {


    String formattedMsg = m_XSLMessages.createWarning(msg, args);
    SAXSourceLocator locator = getLocator();
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();


    try
    {
      if (null != handler)
        handler.warning(new TransformerException(formattedMsg, locator));
    }
    catch (TransformerException te)
    {
      throw new org.xml.sax.SAXException(te);
    }

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  protected void error(String msg, Exception e)
          throws org.xml.sax.SAXException
  {


    SAXSourceLocator locator = getLocator();
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();
    TransformerException pe;


    if (!(e instanceof TransformerException))
    {
      pe = (null == e)
           ? new TransformerException(msg, locator)
           : new TransformerException(msg, locator, e);
    }
    else
      pe = (TransformerException) e;


    if (null != handler)
    {
      try
      {
        handler.error(pe);
      }
      catch (TransformerException te)
      {
        throw new org.xml.sax.SAXException(te);
      }

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          throws org.xml.sax.SAXException
  {


    String formattedMsg = e.getMessage();
    SAXSourceLocator locator = getLocator();
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();


    try
    {
      handler.warning(new TransformerException(formattedMsg, locator));
    }
    catch (TransformerException te)
    {
      throw new org.xml.sax.SAXException(te);
    }

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          throws org.xml.sax.SAXException
  {


    String formattedMsg = e.getMessage();
    SAXSourceLocator locator = getLocator();
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();


    try
    {
      handler.error(new TransformerException(formattedMsg, locator));
    }
    catch (TransformerException te)
    {
      throw new org.xml.sax.SAXException(te);
    }

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          throws org.xml.sax.SAXException
  {


    String formattedMsg = e.getMessage();
    SAXSourceLocator locator = getLocator();
    ErrorListener handler = m_stylesheetProcessor.getErrorListener();


    try
    {
      handler.fatalError(new TransformerException(formattedMsg, locator));
    }
    catch (TransformerException te)
    {
      throw new org.xml.sax.SAXException(te);
    }

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      m_spacePreserveStack.push(false);
    }
    else
    {
      SAXSourceLocator locator = getLocator();
      ErrorListener handler = m_stylesheetProcessor.getErrorListener();
  
      try
      {
        handler.error(new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_ILLEGAL_XMLSPACE_VALUE, null), locator)); //"Illegal value for xml:space", locator));
      }
      catch (TransformerException te)
      {
        throw new org.xml.sax.SAXParseException(te.getMessage(), locator, te);
      }

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        }
        catch(TransformerConfigurationException e1) {
            if (_xsltcFactory == null) {
                createXSLTCTransformerFactory();
            }
      ErrorListener errorListener = _xsltcFactory.getErrorListener();
            if(errorListener != null) {
                try {
                    errorListener.fatalError(e1);
                    return null;
                }
                catch( TransformerException e2) {
                    new TransformerConfigurationException(e2);
                }

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