/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2000-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package com.sun.org.apache.xerces.internal.xni;
import com.sun.org.apache.xerces.internal.xni.parser.XMLDocumentSource;
/**
* The document handler interface defines callback methods to report
* information items in XML documents. Parser components interested in
* document information implement this interface and are registered
* as the document handler on the document source.
*
* @author Andy Clark, IBM
*
* @version $Id: XMLDocumentHandler.java,v 1.10 2002/12/16 01:26:21 elena Exp $
*/
public interface XMLDocumentHandler {
//
// 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 <em>strongly</em>
* 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 namespaceContext
* The namespace context in effect at the
* start of this document.
* This object represents the current context.
* Implementors of this class are responsible
* for copying the namespace bindings from the
* the current context (and its parent contexts)
* if that information is important.
*
* @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 namespaceContext,
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.
* <p>
* Typically, a processing instruction's data will contain a series
* of pseudo-attributes. These pseudo-attributes follow the form of
* element attributes but are <strong>not</strong> 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 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.
* <p>
* <strong>Note:</strong> 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.
* <p>
* <strong>Note:</strong> This method will never be called for the
* document entity; it is only called for external general entities
* referenced in document content.
* <p>
* <strong>Note:</strong> 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.
* <p>
* <strong>Note:</strong> 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 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;
/** Sets the document source. */
public void setDocumentSource(XMLDocumentSource source);
/** Returns the document source. */
public XMLDocumentSource getDocumentSource();
} // interface XMLDocumentHandler
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