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/* * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ // SAX document handler. // http://www.saxproject.org // No warranty; no copyright -- use this as you will. // $Id: DocumentHandler.java,v 1.2 2004/11/03 22:44:51 jsuttor Exp $ package org.xml.sax; /** * Receive notification of general document events. * * <blockquote> * <em>This module, both source code and documentation, is in the * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em> * See <a href='http://www.saxproject.org'>http://www.saxproject.org</a> * for further information. * </blockquote> * * <p>This was the main event-handling interface for SAX1; in * SAX2, it has been replaced by {@link org.xml.sax.ContentHandler * ContentHandler}, which provides Namespace support and reporting * of skipped entities. This interface is included in SAX2 only * to support legacy SAX1 applications.</p> * * <p>The order of events in this interface is very important, and * mirrors the order of information in the document itself. For * example, all of an element's content (character data, processing * instructions, and/or subelements) will appear, in order, between * the startElement event and the corresponding endElement event.</p> * * <p>Application writers who do not want to implement the entire * interface can derive a class from HandlerBase, which implements * the default functionality; parser writers can instantiate * HandlerBase to obtain a default handler. The application can find * the location of any document event using the Locator interface * supplied by the Parser through the setDocumentLocator method.</p> * * @deprecated This interface has been replaced by the SAX2 * {@link org.xml.sax.ContentHandler ContentHandler} * interface, which includes Namespace support. * @since 1.4, SAX 1.0 * @author David Megginson * @see org.xml.sax.Parser#setDocumentHandler * @see org.xml.sax.Locator * @see org.xml.sax.HandlerBase */ @Deprecated(since = "1.5") public interface DocumentHandler { /** * Receive an object for locating the origin of SAX document events. * * <p>SAX parsers are strongly encouraged (though not absolutely * required) to supply a locator: if it does so, it must supply * the locator to the application by invoking this method before * invoking any of the other methods in the DocumentHandler * interface.</p> * * <p>The locator allows the application to determine the end * position of any document-related event, even if the parser is * not reporting an error. Typically, the application will * use this information for reporting its own errors (such as * character content that does not match an application's * business rules). The information returned by the locator * is probably not sufficient for use with a search engine.</p> * * <p>Note that the locator will return correct information only * during the invocation of the events in this interface. The * application should not attempt to use it at any other time.</p> * * @param locator An object that can return the location of * any SAX document event. * @see org.xml.sax.Locator */ public abstract void setDocumentLocator(Locator locator); /** * Receive notification of the beginning of a document. * * <p>The SAX parser will invoke this method only once, before any * other methods in this interface or in DTDHandler (except for * setDocumentLocator).</p> * * @exception org.xml.sax.SAXException Any SAX exception, possibly * wrapping another exception. */ public abstract void startDocument() throws SAXException; /** * Receive notification of the end of a document. * * <p>The SAX parser will invoke this method only once, and it will * be the last method invoked during the parse. The parser shall * not invoke this method until it has either abandoned parsing * (because of an unrecoverable error) or reached the end of * input.</p> * * @exception org.xml.sax.SAXException Any SAX exception, possibly * wrapping another exception. */ public abstract void endDocument() throws SAXException; /** * Receive notification of the beginning of an element. * * <p>The Parser will invoke this method at the beginning of every * element in the XML document; there will be a corresponding * endElement() event for every startElement() event (even when the * element is empty). All of the element's content will be * reported, in order, before the corresponding endElement() * event.</p> * * <p>If the element name has a namespace prefix, the prefix will * still be attached. Note that the attribute list provided will * contain only attributes with explicit values (specified or * defaulted): #IMPLIED attributes will be omitted.</p> * * @param name The element type name. * @param atts The attributes attached to the element, if any. * @exception org.xml.sax.SAXException Any SAX exception, possibly * wrapping another exception. * @see #endElement * @see org.xml.sax.AttributeList */ public abstract void startElement(String name, AttributeList atts) throws SAXException; /** * Receive notification of the end of an element. * * <p>The SAX parser will invoke this method at the end of every * element in the XML document; there will be a corresponding * startElement() event for every endElement() event (even when the * element is empty).</p> * * <p>If the element name has a namespace prefix, the prefix will * still be attached to the name.</p> * * @param name The element type name * @exception org.xml.sax.SAXException Any SAX exception, possibly * wrapping another exception. */ public abstract void endElement(String name) throws SAXException; /** * Receive notification of character data. * * <p>The Parser will call this method to report each chunk of * character data. SAX parsers may return all contiguous character * data in a single chunk, or they may split it into several * chunks; however, all of the characters in any single event * must come from the same external entity, so that the Locator * provides useful information.</p> * * <p>The application must not attempt to read from the array * outside of the specified range.</p> * * <p>Note that some parsers will report whitespace using the * ignorableWhitespace() method rather than this one (validating * parsers must do so).</p> * * @param ch The characters from the XML document. * @param start The start position in the array. * @param length The number of characters to read from the array. * @exception org.xml.sax.SAXException Any SAX exception, possibly * wrapping another exception. * @see #ignorableWhitespace * @see org.xml.sax.Locator */ public abstract void characters(char ch[], int start, int length) throws SAXException; /** * Receive notification of ignorable whitespace in element content. * * <p>Validating Parsers must use this method to report each chunk * of ignorable whitespace (see the W3C XML 1.0 recommendation, * section 2.10): non-validating parsers may also use this method * if they are capable of parsing and using content models.</p> * * <p>SAX parsers may return all contiguous whitespace in a single * chunk, or they may split it into several chunks; however, all of * the characters in any single event must come from the same * external entity, so that the Locator provides useful * information.</p> * * <p>The application must not attempt to read from the array * outside of the specified range.</p> * * @param ch The characters from the XML document. * @param start The start position in the array. * @param length The number of characters to read from the array. * @exception org.xml.sax.SAXException Any SAX exception, possibly * wrapping another exception. * @see #characters */ public abstract void ignorableWhitespace(char ch[], int start, int length) throws SAXException; /** * Receive notification of a processing instruction. * * <p>The Parser will invoke this method once for each processing * instruction found: note that processing instructions may occur * before or after the main document element.</p> * * <p>A SAX parser should never report an XML declaration (XML 1.0, * section 2.8) or a text declaration (XML 1.0, section 4.3.1) * using this method.</p> * * @param target The processing instruction target. * @param data The processing instruction data, or null if * none was supplied. * @exception org.xml.sax.SAXException Any SAX exception, possibly * wrapping another exception. */ public abstract void processingInstruction(String target, String data) throws SAXException; } // end of DocumentHandler.java