abstractsaxparser.java

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     * responsible for parsing the data.
     *
     * @param target The target.
     * @param data   The data or null if none specified.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void processingInstruction(String target, XMLString data, Augmentations augs)
        throws XNIException {

        //
        // REVISIT - I keep running into SAX apps that expect
        //   null data to be an empty string, which is contrary
        //   to the comment for this method in the SAX API.
        //

        try {
            // SAX1
            if (fDocumentHandler != null) {
                fDocumentHandler.processingInstruction(target,
                                                       data.toString());
            }

            // SAX2
            if (fContentHandler != null) {
                fContentHandler.processingInstruction(target, data.toString());
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // processingInstruction(String,XMLString)


    /**
     * The end of the document.
     * @param augs     Additional information that may include infoset augmentations
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endDocument(Augmentations augs) throws XNIException {

        try {
            // SAX1
            if (fDocumentHandler != null) {
                fDocumentHandler.endDocument();
            }

            // SAX2
            if (fContentHandler != null) {
                fContentHandler.endDocument();
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // endDocument()

    //
    // XMLDTDHandler methods
    //

    /**
     * The start of the DTD external subset.
     *
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startExternalSubset(XMLResourceIdentifier identifier, 
                                    Augmentations augs) throws XNIException {
        startParameterEntity("[dtd]", null, null, augs);
    }

    /**
     * The end of the DTD external subset.
     *
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endExternalSubset(Augmentations augs) throws XNIException {
        endParameterEntity("[dtd]", augs);
    }

    /**
     * This method notifies of the start of parameter entity. The DTD has the
     * pseudo-name of "[dtd]" parameter entity names start with '%'; and
     * general entity names are just the entity name.
     * <p>
     * <strong>Note:</strong> Since the document is an entity, the handler
     * will be notified of the start of the document entity by calling the
     * startEntity method with the entity name "[xml]" <em>before</em> calling
     * the startDocument method. When exposing entity boundaries through the
     * SAX API, the document entity is never reported, however.
     * <p>
     * <strong>Note:</strong> This method is not called for entity references
     * appearing as part of attribute values.
     *
     * @param name     The name of the parameter entity.
     * @param identifier The resource identifier.
     * @param encoding The auto-detected IANA encoding name of the entity
     *                 stream. This value will be null in those situations
     *                 where the entity encoding is not auto-detected (e.g.
     *                 internal parameter entities).
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void startParameterEntity(String name, 
                                     XMLResourceIdentifier identifier,
                                     String encoding, Augmentations augs)
        throws XNIException {

        try {
            // Only report startEntity if this entity was actually read.
            if (augs != null && Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
                // report skipped entity to content handler
                if (fContentHandler != null) {
                    fContentHandler.skippedEntity(name);
                }
            }
            else {
                // SAX2 extension
                if (fLexicalHandler != null && fLexicalHandlerParameterEntities) {
                    fLexicalHandler.startEntity(name);
                }
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // startParameterEntity(String,identifier,String,Augmentation)

    /**
     * This method notifies the end of an entity. The DTD has the pseudo-name
     * of "[dtd]" parameter entity names start with '%'; and general entity
     * names are just the entity name.
     * <p>
     * <strong>Note:</strong> Since the document is an entity, the handler
     * will be notified of the end of the document entity by calling the
     * endEntity method with the entity name "[xml]" <em>after</em> calling
     * the endDocument method. When exposing entity boundaries through the
     * SAX API, the document entity is never reported, however.
     * <p>
     * <strong>Note:</strong> This method is not called for entity references
     * appearing as part of attribute values.
     *
     * @param name The name of the parameter entity.
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void endParameterEntity(String name, Augmentations augs) throws XNIException {

        try {
            // Only report endEntity if this entity was actually read.
            if (augs == null || !Boolean.TRUE.equals(augs.getItem(Constants.ENTITY_SKIPPED))) {
                // SAX2 extension
                if (fLexicalHandler != null && fLexicalHandlerParameterEntities) {
                    fLexicalHandler.endEntity(name);
                }
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // endEntity(String)

    /**
     * An element declaration.
     *
     * @param name         The name of the element.
     * @param contentModel The element content model.
     *
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void elementDecl(String name, String contentModel, Augmentations augs)
        throws XNIException {

        try {
            // SAX2 extension
            if (fDeclHandler != null) {
                fDeclHandler.elementDecl(name, contentModel);
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // elementDecl(String,String, Augmentations)

    /**
     * An attribute declaration.
     *
     * @param elementName   The name of the element that this attribute
     *                      is associated with.
     * @param attributeName The name of the attribute.
     * @param type          The attribute type. This value will be one of
     *                      the following: "CDATA", "ENTITY", "ENTITIES",
     *                      "ENUMERATION", "ID", "IDREF", "IDREFS",
     *                      "NMTOKEN", "NMTOKENS", or "NOTATION".
     * @param enumeration   If the type has the value "ENUMERATION" or
     *                      "NOTATION", this array holds the allowed attribute
     *                      values; otherwise, this array is null.
     * @param defaultType   The attribute default type. This value will be
     *                      one of the following: "#FIXED", "#IMPLIED",
     *                      "#REQUIRED", or null.
     * @param defaultValue  The attribute default value, or null if no
     *                      default value is specified.
     *
     * @param nonNormalizedDefaultValue  The attribute default value with no normalization 
     *                      performed, or null if no default value is specified.
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void attributeDecl(String elementName, String attributeName,
                              String type, String[] enumeration,
                              String defaultType, XMLString defaultValue,
                              XMLString nonNormalizedDefaultValue, Augmentations augs) throws XNIException {

        try {
            // SAX2 extension
            if (fDeclHandler != null) {
                // used as a key to detect duplicate attribute definitions.
                String elemAttr = new StringBuffer(elementName).append("<").append(attributeName).toString();
                if(fDeclaredAttrs.get(elemAttr) != null) {
                    // we aren't permitted to return duplicate attribute definitions
                    return;
                }
                fDeclaredAttrs.put(elemAttr, Boolean.TRUE);
                if (type.equals("NOTATION") || 
                    type.equals("ENUMERATION")) {

                    StringBuffer str = new StringBuffer();
                    if (type.equals("NOTATION")) {
                      str.append(type);
                      str.append(" (");
                    }
                    else {
                      str.append("(");
                    }
                    for (int i = 0; i < enumeration.length; i++) {
                        str.append(enumeration[i]);
                        if (i < enumeration.length - 1) {
                            str.append('|');
                        }
                    }
                    str.append(')');
                    type = str.toString();
                }
                String value = (defaultValue==null) ? null : defaultValue.toString();
                fDeclHandler.attributeDecl(elementName, attributeName,
                                           type, defaultType, value);
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // attributeDecl(String,String,String,String[],String,XMLString, XMLString, Augmentations)

    /**
     * An internal entity declaration.
     *
     * @param name The name of the entity. Parameter entity names start with
     *             '%', whereas the name of a general entity is just the
     *             entity name.
     * @param text The value of the entity.
     * @param nonNormalizedText The non-normalized value of the entity. This
     *             value contains the same sequence of characters that was in
     *             the internal entity declaration, without any entity
     *             references expanded.
     *
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void internalEntityDecl(String name, XMLString text,
                                   XMLString nonNormalizedText,
                                   Augmentations augs) throws XNIException {

        try {
            // SAX2 extensions
            if (fDeclHandler != null) {
                fDeclHandler.internalEntityDecl(name, text.toString());
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // internalEntityDecl(String,XMLString,XMLString)

    /**
     * An external entity declaration.
     *
     * @param name     The name of the entity. Parameter entity names start
     *                 with '%', whereas the name of a general entity is just
     *                 the entity name.
     * @param identifier    An object containing all location information 
     *                      pertinent to this entity.
     * @param augs Additional information that may include infoset
     *                      augmentations.
     *
     * @throws XNIException Thrown by handler to signal an error.
     */
    public void externalEntityDecl(String name, XMLResourceIdentifier identifier,
                                   Augmentations augs) throws XNIException {
        try {
            // SAX2 extension
            if (fDeclHandler != null) {
                String publicId = identifier.getPublicId();
                String systemId = fResolveDTDURIs ? 
                    identifier.getExpandedSystemId() : identifier.getLiteralSystemId();
                fDeclHandler.externalEntityDecl(name, publicId, systemId);
            }
        }
        catch (SAXException e) {
            throw new XNIException(e);
        }

    } // externalEntityDecl(String,,XMLResourceIdentifier, Augmentations)

    /**
     * An unparsed entity declaration.
     *