xmlreaderbase.java

openlogic-jdom-1.1-all-src-1.zip 可以用于操作xml文件

     *
     * @param locator The document locator.
     * @see org.xml.sax.ContentHandler#setDocumentLocator
     */
    public void setDocumentLocator (Locator locator)
    {
        this.locator = locator;
        if (contentHandler != null) {
            contentHandler.setDocumentLocator(locator);
        }
    }
    
    
    /**
     * Send start of document.
     *
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#startDocument
     */
    public void startDocument ()
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.startDocument();
        }
    }
    
    
    /**
     * Send end of document.
     *
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#endDocument
     */
    public void endDocument ()
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.endDocument();
        }
    }
    
    
    /**
     * Sends start of namespace prefix mapping.
     *
     * @param prefix The Namespace prefix.
     * @param uri The Namespace URI.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#startPrefixMapping
     */
    public void startPrefixMapping (String prefix, String uri)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.startPrefixMapping(prefix, uri);
        }
    }
    
    
    /**
     * Sends end of namespace prefix mapping.
     *
     * @param prefix The Namespace prefix.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#endPrefixMapping
     */
    public void endPrefixMapping (String prefix)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.endPrefixMapping(prefix);
        }
    }
    
    
    /**
     * Sends start of element.
     *
     * @param uri The element's Namespace URI, or the empty string.
     * @param localName The element's local name, or the empty string.
     * @param qName The element's qualified (prefixed) name, or the empty
     *        string.
     * @param atts The element's attributes.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#startElement
     */
    public void startElement (String uri, String localName, String qName,
    Attributes atts)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.startElement(uri, localName, qName, atts);
        }
    }
    
    
    /**
     * Sends end of element.
     *
     * @param uri The element's Namespace URI, or the empty string.
     * @param localName The element's local name, or the empty string.
     * @param qName The element's qualified (prefixed) name, or the empty
     *        string.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#endElement
     */
    public void endElement (String uri, String localName, String qName)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.endElement(uri, localName, qName);
        }
    }
    
    
    /**
     * Sends character data.
     *
     * @param ch An array of characters.
     * @param start The starting position in the array.
     * @param length The number of characters to use from the array.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#characters
     */
    public void characters (char ch[], int start, int length)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.characters(ch, start, length);
        }
    }
    
    
    /**
     * Sends ignorable whitespace.
     *
     * @param ch An array of characters.
     * @param start The starting position in the array.
     * @param length The number of characters to use from the array.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#ignorableWhitespace
     */
    public void ignorableWhitespace (char ch[], int start, int length)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.ignorableWhitespace(ch, start, length);
        }
    }
    
    
    /**
     * Sends processing instruction.
     *
     * @param target The processing instruction target.
     * @param data The text following the target.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#processingInstruction
     */
    public void processingInstruction (String target, String data)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.processingInstruction(target, data);
        }
    }
    
    
    /**
     * Sends skipped entity.
     *
     * @param name The name of the skipped entity.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ContentHandler#skippedEntity
     */
    public void skippedEntity (String name)
    throws SAXException
    {
        if (contentHandler != null) {
            contentHandler.skippedEntity(name);
        }
    }
    
    
    
    ////////////////////////////////////////////////////////////////////
    // Implementation of org.xml.sax.ErrorHandler.
    ////////////////////////////////////////////////////////////////////
    
    
    /**
     * Sends warning.
     *
     * @param e The nwarning as an exception.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ErrorHandler#warning
     */
    public void warning (SAXParseException e)
    throws SAXException
    {
        if (errorHandler != null) {
            errorHandler.warning(e);
        }
    }
    
    
    /**
     * Sends error.
     *
     * @param e The error as an exception.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ErrorHandler#error
     */
    public void error (SAXParseException e)
    throws SAXException
    {
        if (errorHandler != null) {
            errorHandler.error(e);
        }
    }
    
    
    /**
     * Sends fatal error.
     *
     * @param e The error as an exception.
     * @exception org.xml.sax.SAXException The client may throw
     *            an exception during processing.
     * @see org.xml.sax.ErrorHandler#fatalError
     */
    public void fatalError (SAXParseException e)
    throws SAXException
    {
        if (errorHandler != null) {
            errorHandler.fatalError(e);
        }
    }
    
    
    
    ////////////////////////////////////////////////////////////////////
    // Implementation of org.xml.sax.ext.LexicalHandler.
    ////////////////////////////////////////////////////////////////////


    /**
     * Sends start of DTD.
     *
     * @param name The document type name.
     * @param publicId The declared public identifier for the
     *        external DTD subset, or null if none was declared.
     * @param systemId The declared system identifier for the
     *        external DTD subset, or null if none was declared.
     * @exception org.xml.sax.SAXException If a filter
     *            further down the chain raises an exception.
     * @see org.xml.sax.ext.LexicalHandler#startDTD
     */
    public void startDTD(String name, String publicId, String systemId)
    throws SAXException {
        if (lexicalHandler != null) {
            lexicalHandler.startDTD(name, publicId, systemId);
        }
    }


    /**
     * Sends end of DTD.
     *
     * @exception org.xml.sax.SAXException If a filter
     *            further down the chain raises an exception.
     * @see org.xml.sax.ext.LexicalHandler#endDTD
     */
    public void endDTD()
    throws SAXException {
        if (lexicalHandler != null) {
            lexicalHandler.endDTD();
        }
    }    


    /*
     * Sends start of entity.
     *
     * @param name The name of the entity.  If it is a parameter
     *        entity, the name will begin with '%', and if it is the
     *        external DTD subset, it will be "[dtd]".
     * @exception org.xml.sax.SAXException If a filter
     *            further down the chain raises an exception.
     * @see org.xml.sax.ext.LexicalHandler#startEntity
     */
    public void startEntity(String name)
    throws SAXException {
        if (lexicalHandler != null) {
            lexicalHandler.startEntity(name);
        }
    }


    /*
     * Sends end of entity.
     *
     * @param name The name of the entity that is ending.
     * @exception org.xml.sax.SAXException If a filter
     *            further down the chain raises an exception.
     * @see org.xml.sax.ext.LexicalHandler#endEntity
     */
    public void endEntity(String name)
    throws SAXException {
        if (lexicalHandler != null) {
            lexicalHandler.endEntity(name);
        }
    }


    /*
     * Sends start of CDATA.
     *
     * @exception org.xml.sax.SAXException If a filter
     *            further down the chain raises an exception.
     * @see org.xml.sax.ext.LexicalHandler#startCDATA
     */
    public void startCDATA()
    throws SAXException {
        if (lexicalHandler != null) {
            lexicalHandler.startCDATA();
        }
    }    


    /*
     * Sends end of CDATA.
     *
     * @exception org.xml.sax.SAXException If a filter
     *            further down the chain raises an exception.
     * @see org.xml.sax.ext.LexicalHandler#endCDATA
     */
    public void endCDATA()
    throws SAXException {
        if (lexicalHandler != null) {
            lexicalHandler.endCDATA();
        }
    }


    /*
     * Sends comment.
     *
     * @param ch An array holding the characters in the comment.
     * @param start The starting position in the array.
     * @param length The number of characters to use from the array.
     * @exception org.xml.sax.SAXException If a filter
     *            further down the chain raises an exception.
     * @see org.xml.sax.ext.LexicalHandler#comment
     */
    public void comment(char[] ch, int start, int length)
    throws SAXException {
        if (lexicalHandler != null) {
            lexicalHandler.comment(ch, start, length);
        }
    }



    ////////////////////////////////////////////////////////////////////
    // Internal state.
    ////////////////////////////////////////////////////////////////////

    private Locator locator = null;
    private EntityResolver entityResolver = null;
    private DTDHandler dtdHandler = null;
    private ContentHandler contentHandler = null;
    private ErrorHandler errorHandler = null;
    private LexicalHandler lexicalHandler = null;



    ////////////////////////////////////////////////////////////////////
    // Constants.
    ////////////////////////////////////////////////////////////////////


    protected static final Attributes EMPTY_ATTS = new AttributesImpl();

    protected static final String[] LEXICAL_HANDLER_NAMES = {
        "http://xml.org/sax/properties/lexical-handler",
        "http://xml.org/sax/handlers/LexicalHandler"
    };


}

// end of XMLReaderBase.java