Examples of org.xml.sax.Locator

org.xml.sax.Locator
axproject.org'>http://www.saxproject.org for further information.
If a SAX parser provides location information to the SAX application, it does so by implementing this interface and then passing an instance to the application using the content handler's {@link org.xml.sax.ContentHandler#setDocumentLocator setDocumentLocator} method. The application can use theobject to obtain the location of any other SAX event in the XML source document.

Note that the results returned by the object will be valid only during the scope of each callback method: the application will receive unpredictable results if it attempts to use the locator at any other time, or after parsing completes.

SAX parsers are not required to supply a locator, but they are very strongly encouraged to do so. If the parser supplies a locator, it must do so before reporting any other document events. If no locator has been set by the time the application receives the {@link org.xml.sax.ContentHandler#startDocument startDocument}event, the application should assume that a locator is not available.
@since SAX 1.0 @author David Megginson @version 2.0.1 (sax2r2) @see org.xml.sax.ContentHandler#setDocumentLocator

  /**
   * Overrides {@link RDFParserBase#reportWarning(String)}, adding line- and
   * column number information to the error.
   */
  protected void reportWarning(String msg) {
    Locator locator = saxFilter.getLocator();
    if (locator != null) {
      reportWarning(msg, locator.getLineNumber(), locator.getColumnNumber());
    }
    else {
      reportWarning(msg, -1, -1);
    }
  }

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   * column number information to the error.
   */
  protected void reportError(String msg)
    throws RDFParseException
  {
    Locator locator = saxFilter.getLocator();
    if (locator != null) {
      reportError(msg, locator.getLineNumber(), locator.getColumnNumber());
    }
    else {
      reportError(msg, -1, -1);
    }
  }

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   * column number information to the error.
   */
  protected void reportFatalError(String msg)
    throws RDFParseException
  {
    Locator locator = saxFilter.getLocator();
    if (locator != null) {
      reportFatalError(msg, locator.getLineNumber(), locator.getColumnNumber());
    }
    else {
      reportFatalError(msg, -1, -1);
    }
  }

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   * and column number information to the error.
   */
  protected void reportFatalError(Exception e)
    throws RDFParseException
  {
    Locator locator = saxFilter.getLocator();
    if (locator != null) {
      reportFatalError(e, locator.getLineNumber(), locator.getColumnNumber());
    }
    else {
      reportFatalError(e, -1, -1);
    }
  }

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      ((NodeConsumer) m_contentHandler).setOriginatingNode(node);
    }
                
                if (node instanceof Locator)
                {
                        Locator loc = (Locator)node;
                        m_locator.setColumnNumber(loc.getColumnNumber());
                        m_locator.setLineNumber(loc.getLineNumber());
                        m_locator.setPublicId(loc.getPublicId());
                        m_locator.setSystemId(loc.getSystemId());
                }
                else
                {
                        m_locator.setColumnNumber(0);
      m_locator.setLineNumber(0);

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        }


        // stylesheet.setDOMBackPointer(handler.getOriginatingNode());
        // ***** Note that we're assigning an empty locator. Is this necessary?
        SAXSourceLocator slocator = new SAXSourceLocator();
        Locator locator = handler.getLocator();
        if(null != locator)
        {
          slocator.setLineNumber(locator.getLineNumber());
          slocator.setColumnNumber(locator.getColumnNumber());
          slocator.setPublicId(locator.getPublicId());
          slocator.setSystemId(locator.getSystemId());
        }
        stylesheet.setLocaterInfo(slocator);
        stylesheet.setPrefixes(handler.getNamespaceSupport());
        handler.pushStylesheet(stylesheet);

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   }


   /** Returns a locator implementation. */
   private LocatorImpl getLocatorImpl(LocatorImpl fillin) {


      Locator here = fErrorReporter.getLocator();
      if (fillin == null)
         return new LocatorImpl(here);
      fillin.setPublicId(here.getPublicId());
      fillin.setSystemId(here.getSystemId());
      fillin.setLineNumber(here.getLineNumber());
      fillin.setColumnNumber(here.getColumnNumber());
      return fillin;


   } // getLocatorImpl(LocatorImpl):LocatorImpl

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    return rslt;
  }


  static private void lineNumber() {
    if (numbers) {
      Locator locator = arp.getLocator();
      if (locator != null)
        print(
          "# "
            + locator.getSystemId()
            + ":"
            + locator.getLineNumber()
            + "("
            + locator.getColumnNumber()
            + ")\n");
    }
  }

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        boolean mappedSuper = "mapped-superclass".equals(elem);
        boolean embeddable = "embeddable".equals(elem);


        if (isMetaDataMode()) {
            Locator locator = getLocation().getLocator();
            meta.setSource(getSourceFile(), SourceTracker.SRC_XML, locator != null ? locator.getSystemId() : "" );
            meta.setSourceMode(MODE_META, true);
        
            if (locator != null) {
                meta.setLineNumber(locator.getLineNumber());
                meta.setColNumber(locator.getColumnNumber());
            }
            meta.setListingIndex(_clsPos);
            String name = attrs.getValue("name");
            if (!StringUtils.isEmpty(name))
                meta.setTypeAlias(name);

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        Object cur = currentElement();
        Object scope = (cur instanceof ClassMetaData)
            ? ((ClassMetaData) cur).getDescribedType() : null;
        meta.setSource(getSourceFile(), scope, SourceTracker.SRC_XML);
        Locator locator = getLocation().getLocator();
        if (locator != null) {
            meta.setLineNumber(locator.getLineNumber());
            meta.setColNumber(locator.getColumnNumber());
        }
        return true;
    }

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