JDK14/Java14源码在线阅读

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
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 * by Oracle in the LICENSE file that accompanied this code.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.xml.sax;

import java.io.IOException;
import java.util.Locale;


/**
 * Basic interface for SAX (Simple API for XML) parsers.
 *
 * <p>This was the main event supplier interface for SAX1; it has
 * been replaced in SAX2 by {@link org.xml.sax.XMLReader XMLReader},
 * which includes Namespace support and sophisticated configurability
 * and extensibility.</p>
 *
 * <p>All SAX1 parsers must implement this basic interface: it allows
 * applications to register handlers for different types of events
 * and to initiate a parse from a URI, or a character stream.</p>
 *
 * <p>All SAX1 parsers must also implement a zero-argument constructor
 * (though other constructors are also allowed).</p>
 *
 * <p>SAX1 parsers are reusable but not re-entrant: the application
 * may reuse a parser object (possibly with a different input source)
 * once the first parse has completed successfully, but it may not
 * invoke the parse() methods recursively within a parse.</p>
 *
 * @deprecated This interface has been replaced by the SAX2
 *             {@link org.xml.sax.XMLReader XMLReader}
 *             interface, which includes Namespace support.
 * @since 1.4, SAX 1.0
 * @author David Megginson
 * @see org.xml.sax.EntityResolver
 * @see org.xml.sax.DTDHandler
 * @see org.xml.sax.DocumentHandler
 * @see org.xml.sax.ErrorHandler
 * @see org.xml.sax.HandlerBase
 * @see org.xml.sax.InputSource
 */
@Deprecated(since="1.5")
public interface Parser
{

    /**
     * Allow an application to request a locale for errors and warnings.
     *
     * <p>SAX parsers are not required to provide localisation for errors
     * and warnings; if they cannot support the requested locale,
     * however, they must throw a SAX exception.  Applications may
     * not request a locale change in the middle of a parse.</p>
     *
     * @param locale A Java Locale object.
     * @exception org.xml.sax.SAXException Throws an exception
     *            (using the previous or default locale) if the
     *            requested locale is not supported.
     * @see org.xml.sax.SAXException
     * @see org.xml.sax.SAXParseException
     */
    public abstract void setLocale (Locale locale)
        throws SAXException;


    /**
     * Allow an application to register a custom entity resolver.
     *
     * <p>If the application does not register an entity resolver, the
     * SAX parser will resolve system identifiers and open connections
     * to entities itself (this is the default behaviour implemented in
     * HandlerBase).</p>
     *
     * <p>Applications may register a new or different entity resolver
     * in the middle of a parse, and the SAX parser must begin using
     * the new resolver immediately.</p>
     *
     * @param resolver The object for resolving entities.
     * @see EntityResolver
     * @see HandlerBase
     */
    public abstract void setEntityResolver (EntityResolver resolver);


    /**
     * Allow an application to register a DTD event handler.
     *
     * <p>If the application does not register a DTD handler, all DTD
     * events reported by the SAX parser will be silently
     * ignored (this is the default behaviour implemented by
     * HandlerBase).</p>
     *
     * <p>Applications may register a new or different
     * handler in the middle of a parse, and the SAX parser must
     * begin using the new handler immediately.</p>
     *
     * @param handler The DTD handler.
     * @see DTDHandler
     * @see HandlerBase
     */
    public abstract void setDTDHandler (DTDHandler handler);


    /**
     * Allow an application to register a document event handler.
     *
     * <p>If the application does not register a document handler, all
     * document events reported by the SAX parser will be silently
     * ignored (this is the default behaviour implemented by
     * HandlerBase).</p>
     *
     * <p>Applications may register a new or different handler in the
     * middle of a parse, and the SAX parser must begin using the new
     * handler immediately.</p>
     *
     * @param handler The document handler.
     * @see DocumentHandler
     * @see HandlerBase
     */
    public abstract void setDocumentHandler (DocumentHandler handler);


    /**
     * Allow an application to register an error event handler.
     *
     * <p>If the application does not register an error event handler,
     * all error events reported by the SAX parser will be silently
     * ignored, except for fatalError, which will throw a SAXException
     * (this is the default behaviour implemented by HandlerBase).</p>
     *
     * <p>Applications may register a new or different handler in the
     * middle of a parse, and the SAX parser must begin using the new
     * handler immediately.</p>
     *
     * @param handler The error handler.
     * @see ErrorHandler
     * @see SAXException
     * @see HandlerBase
     */
    public abstract void setErrorHandler (ErrorHandler handler);


    /**
     * Parse an XML document.
     *
     * <p>The application can use this method to instruct the SAX parser
     * to begin parsing an XML document from any valid input
     * source (a character stream, a byte stream, or a URI).</p>
     *
     * <p>Applications may not invoke this method while a parse is in
     * progress (they should create a new Parser instead for each
     * additional XML document).  Once a parse is complete, an
     * application may reuse the same Parser object, possibly with a
     * different input source.</p>
     *
     * @param source The input source for the top-level of the
     *        XML document.
     * @exception org.xml.sax.SAXException Any SAX exception, possibly
     *            wrapping another exception.
     * @exception java.io.IOException An IO exception from the parser,
     *            possibly from a byte stream or character stream
     *            supplied by the application.
     * @see org.xml.sax.InputSource
     * @see #parse(java.lang.String)
     * @see #setEntityResolver
     * @see #setDTDHandler
     * @see #setDocumentHandler
     * @see #setErrorHandler
     */
    public abstract void parse (InputSource source)
        throws SAXException, IOException;


    /**
     * Parse an XML document from a system identifier (URI).
     *
     * <p>This method is a shortcut for the common case of reading a

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