serializerbase.java

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        for (int i = 0; i < nAtts; i++)
        {
            String uri = atts.getURI(i);

            if (null == uri)
                uri = "";
            
            // Ignore ns decls as attributes in the "" namespace (see javadoc)
            String qname = atts.getQName(i);
            if (qname.startsWith("xmlns:") && uri.equals(EMPTYSTRING)) {
                continue;
            }

            addAttributeAlways(
                uri,
                atts.getLocalName(i),
                atts.getQName(i),
                atts.getType(i),
                atts.getValue(i));

        }
    }

    /**
     * Return a {@link ContentHandler} interface into this serializer.
     * If the serializer does not support the {@link ContentHandler}
     * interface, it should return null.
     *
     * @return A {@link ContentHandler} interface into this serializer,
     *  or null if the serializer is not SAX 2 capable
     * @throws IOException An I/O exception occured
     */
    public ContentHandler asContentHandler() throws IOException
    {
        return this;
    }

    /**
     * Report the end of an entity.
     *
     * @param name The name of the entity that is ending.
     * @throws org.xml.sax.SAXException The application may raise an exception.
     * @see #startEntity
     */
    public void endEntity(String name) throws org.xml.sax.SAXException
    {
        if (name.equals("[dtd]"))
            m_inExternalDTD = false;
        m_inEntityRef = false;

        if (m_tracer != null)
            this.fireEndEntity(name);        
    }

    /**
     * Flush and close the underlying java.io.Writer. This method applies to
     * ToStream serializers, not ToSAXHandler serializers.
     * @see com.sun.org.apache.xml.internal.serializer.ToStream
     */
    public void close()
    {
        // do nothing (base behavior)
    }

    /**
     * Initialize global variables
     */
    protected void initCDATA()
    {
        // CDATA stack
        //        _cdataStack = new Stack();
        //        _cdataStack.push(new Integer(-1)); // push dummy value
    }

    /**
     * Returns the character encoding to be used in the output document.
     * @return the character encoding to be used in the output document.
     */
    public String getEncoding()
    {
        return m_encoding;
    }

   /**
     * Sets the character encoding coming from the xsl:output encoding stylesheet attribute.
     * @param encoding the character encoding
     */
    public void setEncoding(String m_encoding)
    {
        this.m_encoding = m_encoding;
    }

    /**
     * Sets the value coming from the xsl:output omit-xml-declaration stylesheet attribute
     * @param b true if the XML declaration is to be omitted from the output
     * document.
     */
    public void setOmitXMLDeclaration(boolean b)
    {
        this.m_shouldNotWriteXMLHeader = b;
    }


    /**
     * @return true if the XML declaration is to be omitted from the output
     * document.
     */
    public boolean getOmitXMLDeclaration()
    {
        return m_shouldNotWriteXMLHeader;
    }

    /**
     * Returns the previously set value of the value to be used as the public
     * identifier in the document type declaration (DTD).
     * 
     *@return the public identifier to be used in the DOCTYPE declaration in the
     * output document.
     */    
    public String getDoctypePublic()
    {
        return m_doctypePublic;
    }

    /** Set the value coming from the xsl:output doctype-public stylesheet attribute.
      * @param doctypePublic the public identifier to be used in the DOCTYPE
      * declaration in the output document.
      */
    public void setDoctypePublic(String doctypePublic)
    {
        this.m_doctypePublic = doctypePublic;
    }


    /**
     * Returns the previously set value of the value to be used
     * as the system identifier in the document type declaration (DTD).
	 * @return the system identifier to be used in the DOCTYPE declaration in
	 * the output document.
     *
     */    
    public String getDoctypeSystem()
    {
        return m_doctypeSystem;
    }

    /** Set the value coming from the xsl:output doctype-system stylesheet attribute.
      * @param doctypeSystem the system identifier to be used in the DOCTYPE
      * declaration in the output document.
      */
    public void setDoctypeSystem(String doctypeSystem)
    {
        this.m_doctypeSystem = doctypeSystem;
    }

    /** Set the value coming from the xsl:output doctype-public and doctype-system stylesheet properties
     * @param doctypeSystem the system identifier to be used in the DOCTYPE
     * declaration in the output document.
     * @param doctypePublic the public identifier to be used in the DOCTYPE
     * declaration in the output document.
     */
    public void setDoctype(String doctypeSystem, String doctypePublic)
    {
        this.m_doctypeSystem = doctypeSystem;
        this.m_doctypePublic = doctypePublic;
    }

    /**
     * Sets the value coming from the xsl:output standalone stylesheet attribute.
     * @param standalone a value of "yes" indicates that the
     * <code>standalone</code> delaration is to be included in the output
     * document. This method remembers if the value was explicitly set using
     * this method, verses if the value is the default value.
     */
    public void setStandalone(String standalone)
    {
        if (standalone != null)
        {
            m_standaloneWasSpecified = true;
            setStandaloneInternal(standalone);
        }
    }
    /**
     * Sets the XSL standalone attribute, but does not remember if this is a
     * default or explicite setting.
     * @param standalone "yes" | "no"
     */    
    protected void setStandaloneInternal(String standalone)
    {
        if ("yes".equals(standalone))
            m_standalone = "yes";
        else
            m_standalone = "no";
        
    }

    /**
     * Gets the XSL standalone attribute
     * @return a value of "yes" if the <code>standalone</code> delaration is to
     * be included in the output document.
     *  @see   com.sun.org.apache.xml.internal.serializer.XSLOutputAttributes#getStandalone()
     */
    public String getStandalone()
    {
        return m_standalone;
    }

    /**
     * @return true if the output document should be indented to visually
     * indicate its structure.
     */
    public boolean getIndent()
    {
        return m_doIndent;
    }
    /**
     * Gets the mediatype the media-type or MIME type associated with the output
     * document.
     * @return the mediatype the media-type or MIME type associated with the
     * output document.
     */
    public String getMediaType()
    {
        return m_mediatype;
    }

    /**
     * Gets the version of the output format.
     * @return the version of the output format.
     */
    public String getVersion()
    {
        return m_version;
    }

    /**
     * Sets the value coming from the xsl:output version attribute.
     * @param version the version of the output format.
     * @see com.sun.org.apache.xml.internal.serializer.SerializationHandler#setVersion(String)
     */
    public void setVersion(String version)
    {
        m_version = version;
    }

    /**
     * Sets the value coming from the xsl:output media-type stylesheet attribute.
     * @param mediaType the non-null media-type or MIME type associated with the
     * output document.
     * @see javax.xml.transform.OutputKeys#MEDIA_TYPE
     * @see com.sun.org.apache.xml.internal.serializer.SerializationHandler#setMediaType(String)
     */
    public void setMediaType(String mediaType)
    {
        m_mediatype = mediaType;
    }

    /**
     * @return the number of spaces to indent for each indentation level.
     */
    public int getIndentAmount()
    {
        return m_indentAmount;
    }

    /**
     * Sets the indentation amount.
     * @param m_indentAmount The m_indentAmount to set
     */
    public void setIndentAmount(int m_indentAmount)
    {
        this.m_indentAmount = m_indentAmount;
    }

    /**
     * Sets the value coming from the xsl:output indent stylesheet
     * attribute.
     * @param doIndent true if the output document should be indented to
     * visually indicate its structure.
     * @see com.sun.org.apache.xml.internal.serializer.XSLOutputAttributes#setIndent(boolean)
     */
    public void setIndent(boolean doIndent)
    {
        m_doIndent = doIndent;
    }

    /**
     * This method is used when a prefix/uri namespace mapping
     * is indicated after the element was started with a 
     * startElement() and before and endElement().
     * startPrefixMapping(prefix,uri) would be used before the
     * startElement() call.
     * @param uri the URI of the namespace
     * @param prefix the prefix associated with the given URI.
     * 
     * @see com.sun.org.apache.xml.internal.serializer.ExtendedContentHandler#namespaceAfterStartElement(String, String)
     */
    public void namespaceAfterStartElement(String uri, String prefix)
        throws SAXException
    {
        // default behavior is to do nothing
    }

    /**
     * Return a {@link DOMSerializer} interface into this serializer. If the
     * serializer does not support the {@link DOMSerializer} interface, it should
     * return null.
     *
     * @return A {@link DOMSerializer} interface into this serializer,  or null
     * if the serializer is not DOM capable
     * @throws IOException An I/O exception occured
     * @see com.sun.org.apache.xml.internal.serializer.Serializer#asDOMSerializer()
     */
    public DOMSerializer asDOMSerializer() throws IOException
    { 
        return this;
    }

    /**
     * Push a boolean state based on if the name of the element
     * is found in the list of qnames.  A state is only pushed if
     * there were some cdata-section-names were specified.
     *
     * @param namespaceURI Should be a non-null reference to the namespace URL
     *        of the element that owns the state, or empty string.
     * @param localName Should be a non-null reference to the local name
     *        of the element that owns the state.
     *
     * Hidden parameters are the vector of qualified elements specified in
     * cdata-section-names attribute, and the m_cdataSectionStates stack
     * onto which whether the current element is in the list is pushed (true or
     * false). Other hidden parameters are the current elements namespaceURI,
     * localName and qName
     */
    protected boolean isCdataSection()
    {

        boolean b = false;

        if (null != m_cdataSectionElements)
        {
            if (m_elemContext.m_elementLocalName == null)
                m_elemContext.m_elementLocalName = 
                    getLocalName(m_elemContext.m_elementName);
            if (m_elemContext.m_elementURI == null)
            {
                String prefix = getPrefixPart(m_elemContext.m_elementName);
                if (prefix != null)
                    m_elemContext.m_elementURI = 
                        m_prefixMap.lookupNamespace(prefix);

            }

            if ((null != m_elemContext.m_elementURI) 
                && m_elemContext.m_elementURI.length() == 0)
                m_elemContext.m_elementURI = null;

            int nElems = m_cdataSectionElements.size();

            // loop through 2 at a time, as these are pairs of URI and localName
            for (int i = 0; i < nElems; i += 2)
            {
                String uri = (String) m_cdataSectionElements.elementAt(i);
                String loc = (String) m_cdataSectionElements.elementAt(i + 1);
                if (loc.equals(m_elemContext.m_elementLocalName)
                    && subPartMatch(m_elemContext.m_elementURI, uri))
                {
                    b = true;

                    break;
                }
            }
        }
        return b;
    }

    /**
     * Tell if two strings are equal, without worry if the first string is null.
     *
     * @param p String reference, which may be null.
     * @param t String reference, which may be null.
     *
     * @return true if strings are equal.
     */
    private static final boolean subPartMatch(String p, String t)
    {
        return (p == t) || ((null != p) && (p.equals(t)));
    }

    /**
     * Returns the local name of a qualified name. 
     * If the name has no prefix,
     * then it works as the identity (SAX2). 
     * 
     * @param qname a qualified name
     * @return returns the prefix of the qualified name,
     * or null if there is no prefix.
     */
    protected static final String getPrefixPart(String qname)
    {
        final int col = qname.indexOf(':');
        return (col > 0) ? qname.substring(0, col) : null;
        //return (col > 0) ? qname.substring(0,col) : "";
    }

    /**
     * Some users of the serializer may need the current namespace mappings
     * @return the current namespace mappings (prefix/uri)
     * @see com.sun.org.apache.xml.internal.serializer.ExtendedContentHandler#getNamespaceMappings()
     */
    public NamespaceMappings getNamespaceMappings()
    {
        return m_prefixMap;
    }

    /**
     * Returns the prefix currently pointing to the given URI (if any).
     * @param namespaceURI the uri of the namespace in question
     * @return a prefix pointing to the given URI (if any).
     * @see com.sun.org.apache.xml.internal.serializer.ExtendedContentHandler#getPrefix(String)
     */
    public String getPrefix(String namespaceURI)
    {
        String prefix = m_prefixMap.lookupPrefix(namespaceURI);
        return prefix;
    }

    /**
     * Returns the URI of an element or attribute. Note that default namespaces