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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.xerces.impl.xs.opti;

import org.apache.xerces.xni.Augmentations;
import org.apache.xerces.xni.NamespaceContext;
import org.apache.xerces.xni.QName;
import org.apache.xerces.xni.XMLAttributes;
import org.apache.xerces.xni.XMLDTDContentModelHandler;
import org.apache.xerces.xni.XMLDTDHandler;
import org.apache.xerces.xni.XMLDocumentHandler;
import org.apache.xerces.xni.XMLLocator;
import org.apache.xerces.xni.XMLResourceIdentifier;
import org.apache.xerces.xni.XMLString;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.parser.XMLDTDContentModelSource;
import org.apache.xerces.xni.parser.XMLDTDSource;
import org.apache.xerces.xni.parser.XMLDocumentSource;

/**
 * @xerces.internal 
 * 
 * @author Rahul Srivastava, Sun Microsystems Inc.
 * @author Sandy Gao, IBM
 *
 * @version $Id: DefaultXMLDocumentHandler.java 699892 2008-09-28 21:08:27Z mrglavas $
 */
public class DefaultXMLDocumentHandler implements XMLDocumentHandler, 
                                                  XMLDTDHandler, 
                                                  XMLDTDContentModelHandler {
    
    /** Default Constructor */
    public DefaultXMLDocumentHandler() {
    }

    //
    // XMLDocumentHandler methods
    //

    /**
     * The start of the document.
     * 
     * @param locator  The document locator, or null if the document
     *                 location cannot be reported during the parsing
     *                 of this document. However, it is strongly
     *                 recommended that a locator be supplied that can
     *                 at least report the system identifier of the
     *                 document.
     * @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 entities or a document entity that is
     *                 parsed from a java.io.Reader).
     * @param augs     Additional information that may include infoset augmentations
     * @exception XNIException
     *                   Thrown by handler to signal an error.
     */
    public void startDocument(XMLLocator locator, String encoding,
                              NamespaceContext context, Augmentations augs) 
        throws XNIException {
    }

    /**
     * Notifies of the presence of an XMLDecl line in the document. If
     * present, this method will be called immediately following the
     * startDocument call.
     * 
     * @param version    The XML version.
     * @param encoding   The IANA encoding name of the document, or null if
     *                   not specified.
     * @param standalone The standalone value, or null if not specified.
     * @param augs       Additional information that may include infoset augmentations
     *                   
     * @exception XNIException
     *                   Thrown by handler to signal an error.
     */
    public void xmlDecl(String version, String encoding, String standalone, Augmentations augs)
        throws XNIException {
    }

    /**
     * Notifies of the presence of the DOCTYPE line in the document.
     * 
     * @param rootElement
     *                 The name of the root element.
     * @param publicId The public identifier if an external DTD or null
     *                 if the external DTD is specified using SYSTEM.
     * @param systemId The system identifier if an external DTD, null
     *                 otherwise.
     * @param augs     Additional information that may include infoset augmentations
     *                 
     * @exception XNIException
     *                   Thrown by handler to signal an error.
     */
    public void doctypeDecl(String rootElement, String publicId, String systemId, Augmentations augs)
        throws XNIException {
    }

    /**
     * A comment.
     * 
     * @param text   The text in the comment.
     * @param augs   Additional information that may include infoset augmentations
     *               
     * @exception XNIException
     *                   Thrown by application to signal an error.
     */
    public void comment(XMLString text, Augmentations augs) throws XNIException {
    }

    /**
     * A processing instruction. Processing instructions consist of a
     * target name and, optionally, text data. The data is only meaningful
     * to the application.
     * 

* Typically, a processing instruction's data will contain a series * of pseudo-attributes. These pseudo-attributes follow the form of * element attributes but are not parsed or presented * to the application as anything other than text. The application is * 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 * * @exception XNIException * Thrown by handler to signal an error. */ public void processingInstruction(String target, XMLString data, Augmentations augs) throws XNIException { } /** * The start of a namespace prefix mapping. This method will only be * called when namespace processing is enabled. * * @param prefix The namespace prefix. * @param uri The URI bound to the prefix. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void startPrefixMapping(String prefix, String uri, Augmentations augs) throws XNIException { } /** * The start of an element. * * @param element The name of the element. * @param attributes The element attributes. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void startElement(QName element, XMLAttributes attributes, Augmentations augs) throws XNIException { } /** * An empty element. * * @param element The name of the element. * @param attributes The element attributes. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void emptyElement(QName element, XMLAttributes attributes, Augmentations augs) throws XNIException { } /** * This method notifies the start of a general entity. *

* Note: This method is not called for entity references * appearing as part of attribute values. * * @param name The name of the general 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 entities or a document entity that is * parsed from a java.io.Reader). * @param augs Additional information that may include infoset augmentations * * @exception XNIException Thrown by handler to signal an error. */ public void startGeneralEntity(String name, XMLResourceIdentifier identifier, String encoding, Augmentations augs) throws XNIException { } /** * Notifies of the presence of a TextDecl line in an entity. If present, * this method will be called immediately following the startEntity call. *

* Note: This method will never be called for the * document entity; it is only called for external general entities * referenced in document content. *

* Note: This method is not called for entity references * appearing as part of attribute values. * * @param version The XML version, or null if not specified. * @param encoding The IANA encoding name of the entity. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void textDecl(String version, String encoding, Augmentations augs) throws XNIException { } /** * This method notifies the end of a general entity. *

* Note: This method is not called for entity references * appearing as part of attribute values. * * @param name The name of the entity. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void endGeneralEntity(String name, Augmentations augs) throws XNIException { } /** * Character content. * * @param text The content. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void characters(XMLString text, Augmentations augs) throws XNIException { } /** * Ignorable whitespace. For this method to be called, the document * source must have some way of determining that the text containing * only whitespace characters should be considered ignorable. For * example, the validator can determine if a length of whitespace * characters in the document are ignorable based on the element * content model. * * @param text The ignorable whitespace. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void ignorableWhitespace(XMLString text, Augmentations augs) throws XNIException { } /** * The end of an element. * * @param element The name of the element. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void endElement(QName element, Augmentations augs) throws XNIException { } /** * The end of a namespace prefix mapping. This method will only be * called when namespace processing is enabled. * * @param prefix The namespace prefix. * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void endPrefixMapping(String prefix, Augmentations augs) throws XNIException { } /** * The start of a CDATA section. * * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void startCDATA(Augmentations augs) throws XNIException { } /** * The end of a CDATA section. * * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void endCDATA(Augmentations augs) throws XNIException { } /** * The end of the document. * * @param augs Additional information that may include infoset augmentations * * @exception XNIException * Thrown by handler to signal an error. */ public void endDocument(Augmentations augs) throws XNIException { } // // XMLDTDHandler methods // /** * The start of the DTD. * * @param locator The document locator, or null if the document * location cannot be reported during the parsing of * the document DTD. However, it is strongly * recommended that a locator be supplied that can * at least report the base system identifier of the * DTD. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void startDTD(XMLLocator locator, Augmentations augmentations) throws XNIException { } /** * This method notifies of the start of a parameter entity. The parameter * entity name start with a '%' character. * * @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 augmentations 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 augmentations) throws XNIException { } /** * Notifies of the presence of a TextDecl line in an entity. If present, * this method will be called immediately following the startEntity call. *

* Note: This method is only called for external * parameter entities referenced in the DTD. * * @param version The XML version, or null if not specified. * @param encoding The IANA encoding name of the entity. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ /* public void textDecl(String version, String encoding, Augmentations augmentations) throws XNIException { } */ /** * This method notifies the end of a parameter entity. Parameter entity * names begin with a '%' character. * * @param name The name of the parameter entity. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endParameterEntity(String name, Augmentations augmentations) throws XNIException { } /** * The start of the DTD external subset. * * @param identifier The resource identifier. * @param augmentations * Additional information that may include infoset * augmentations. * @exception XNIException * Thrown by handler to signal an error. */ public void startExternalSubset(XMLResourceIdentifier identifier, Augmentations augmentations) throws XNIException { } /** * The end of the DTD external subset. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endExternalSubset(Augmentations augmentations) throws XNIException { } /** * A comment. * * @param text The text in the comment. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by application to signal an error. */ /* public void comment(XMLString text, Augmentations augmentations) throws XNIException { } */ /** * A processing instruction. Processing instructions consist of a * target name and, optionally, text data. The data is only meaningful * to the application. *

* Typically, a processing instruction's data will contain a series * of pseudo-attributes. These pseudo-attributes follow the form of * element attributes but are not parsed or presented * to the application as anything other than text. The application is * responsible for parsing the data. * * @param target The target. * @param data The data or null if none specified. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ /* public void processingInstruction(String target, XMLString data, Augmentations augmentations) throws XNIException { } */ /** * An element declaration. * * @param name The name of the element. * @param contentModel The element content model. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void elementDecl(String name, String contentModel, Augmentations augmentations) throws XNIException { } /** * The start of an attribute list. * * @param elementName The name of the element that this attribute * list is associated with. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void startAttlist(String elementName, Augmentations augmentations) throws XNIException { } /** * 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 augmentations 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 augmentations) throws XNIException { } /** * The end of an attribute list. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endAttlist(Augmentations augmentations) throws XNIException { } /** * 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 augmentations 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 augmentations) throws XNIException { } /** * 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 external entity. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void externalEntityDecl(String name, XMLResourceIdentifier identifier, Augmentations augmentations) throws XNIException { } /** * An unparsed entity declaration. * * @param name The name of the entity. * @param identifier An object containing all location information * pertinent to this unparsed entity declaration. * @param notation The name of the notation. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void unparsedEntityDecl(String name, XMLResourceIdentifier identifier, String notation, Augmentations augmentations) throws XNIException { } /** * A notation declaration * * @param name The name of the notation. * @param identifier An object containing all location information * pertinent to this notation. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void notationDecl(String name, XMLResourceIdentifier identifier, Augmentations augmentations) throws XNIException { } /** * The start of a conditional section. * * @param type The type of the conditional section. This value will * either be CONDITIONAL_INCLUDE or CONDITIONAL_IGNORE. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. * * @see #CONDITIONAL_INCLUDE * @see #CONDITIONAL_IGNORE */ public void startConditional(short type, Augmentations augmentations) throws XNIException { } /** * Characters within an IGNORE conditional section. * * @param text The ignored text. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void ignoredCharacters(XMLString text, Augmentations augmentations) throws XNIException { } /** * The end of a conditional section. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endConditional(Augmentations augmentations) throws XNIException { } /** * The end of the DTD. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endDTD(Augmentations augmentations) throws XNIException { } // // XMLDTDContentModelHandler methods // /** * The start of a content model. Depending on the type of the content * model, specific methods may be called between the call to the * startContentModel method and the call to the endContentModel method. * * @param elementName The name of the element. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void startContentModel(String elementName, Augmentations augmentations) throws XNIException { } /** * A content model of ANY. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. * * @see #empty * @see #startGroup */ public void any(Augmentations augmentations) throws XNIException { } /** * A content model of EMPTY. * * @throws XNIException Thrown by handler to signal an error. * * @param augmentations Additional information that may include infoset * augmentations. * * @see #any * @see #startGroup */ public void empty(Augmentations augmentations) throws XNIException { } /** * A start of either a mixed or children content model. A mixed * content model will immediately be followed by a call to the * pcdata() method. A children content model will * contain additional groups and/or elements. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. * * @see #any * @see #empty */ public void startGroup(Augmentations augmentations) throws XNIException { } /** * The appearance of "#PCDATA" within a group signifying a * mixed content model. This method will be the first called * following the content model's startGroup(). * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. * * @see #startGroup */ public void pcdata(Augmentations augmentations) throws XNIException { } /** * A referenced element in a mixed or children content model. * * @param elementName The name of the referenced element. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void element(String elementName, Augmentations augmentations) throws XNIException { } /** * The separator between choices or sequences of a mixed or children * content model. * * @param separator The type of children separator. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. * * @see #SEPARATOR_CHOICE * @see #SEPARATOR_SEQUENCE */ public void separator(short separator, Augmentations augmentations) throws XNIException { } /** * The occurrence count for a child in a children content model or * for the mixed content model group. * * @param occurrence The occurrence count for the last element * or group. * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. * * @see #OCCURS_ZERO_OR_ONE * @see #OCCURS_ZERO_OR_MORE * @see #OCCURS_ONE_OR_MORE */ public void occurrence(short occurrence, Augmentations augmentations) throws XNIException { } /** * The end of a group for mixed or children content models. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endGroup(Augmentations augmentations) throws XNIException { } /** * The end of a content model. * * @param augmentations Additional information that may include infoset * augmentations. * * @throws XNIException Thrown by handler to signal an error. */ public void endContentModel(Augmentations augmentations) throws XNIException { } private XMLDocumentSource fDocumentSource; /** Sets the document source. */ public void setDocumentSource(XMLDocumentSource source) { fDocumentSource = source; } /** Returns the document source. */ public XMLDocumentSource getDocumentSource() { return fDocumentSource; } private XMLDTDSource fDTDSource; // set the source of this handler public void setDTDSource(XMLDTDSource source) { fDTDSource = source; } // return the source from which this handler derives its events public XMLDTDSource getDTDSource() { return fDTDSource; } private XMLDTDContentModelSource fCMSource; // set content model source public void setDTDContentModelSource(XMLDTDContentModelSource source) { fCMSource = source; } // get content model source public XMLDTDContentModelSource getDTDContentModelSource() { return fCMSource; } }





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