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/*
* $Id: SAXParser.java,v 1.1 2003-02-01 02:10:27 cbj Exp $
* Copyright (C) 2001 Andrew Selkirk
* Copyright (C) 2001 David Brownell
*
* This file is part of GNU JAXP, a library.
*
* GNU JAXP is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU JAXP 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package javax.xml.parsers;
// Imports
import java.io.*;
import java.net.*;
import org.w3c.dom.*;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
/**
* Wraps a SAX2 (or SAX1) parser.
*
* <p>Note that parsing with methods on this interface requires use of one
* of the optional SAX base classes. It's usually preferable to use the
* SAX parser APIs directly. SAX gives much more flexibility about how
* application classes are organized, and about how the document entity is
* packaged for delivery to the parser. And JAXP doesn't otherwise provide
* access to the SAX2 extension handlers for lexical or declaration events.
*
* @author Andrew Selkirk
* @author David Brownell
* @version 1.0
*/
public abstract class SAXParser
{
/** Only subclasses may use the constructor. */
protected SAXParser() { }
//-------------------------------------------------------------
// Methods ----------------------------------------------------
//-------------------------------------------------------------
public abstract void setProperty (String id, Object value)
throws SAXNotRecognizedException, SAXNotSupportedException;
public abstract Object getProperty (String id)
throws SAXNotRecognizedException, SAXNotSupportedException;
/**
* Parse using (deprecated) SAX1 style handlers,
* and a byte stream (with no URI).
* Avoid using this API, since relative URIs in the document need
* to be resolved against the document entity's URI, and good
* diagnostics also need that URI.
*/
public void parse(InputStream stream, HandlerBase handler)
throws SAXException, IOException
{ parse (new InputSource (stream), handler); }
/**
* Parse using (deprecated) SAX1 style handlers,
* and a byte stream with a specified URI.
*/
public void parse (
InputStream stream,
HandlerBase handler,
String systemID
) throws SAXException, IOException
{
InputSource source;
// Prepare Source
source = new InputSource(stream);
source.setSystemId(systemID);
parse(source, handler);
}
/**
* Parse using SAX2 style handlers,
* and a byte stream (with no URI).
* Avoid using this API, since relative URIs in the document need
* to be resolved against the document entity's URI, and good
* diagnostics also need that URI.
*/
public void parse(InputStream stream, DefaultHandler def)
throws SAXException, IOException
{ parse (new InputSource (stream), def); }
/**
* Parse using SAX2 style handlers,
* and a byte stream with a specified URI.
*/
public void parse (
InputStream stream,
DefaultHandler def,
String systemID
) throws SAXException, IOException
{
InputSource source;
// Prepare Source
source = new InputSource(stream);
source.setSystemId(systemID);
parse(source, def);
}
/**
* Parse using (deprecated) SAX1 style handlers,
* and a URI for the document entity.
*/
public void parse(String uri, HandlerBase handler)
throws SAXException, IOException
{ parse (new InputSource (uri), handler); }
/**
* Parse using SAX2 style handlers,
* and a URI for the document entity.
*/
public void parse(String uri, DefaultHandler def)
throws SAXException, IOException
{ parse (new InputSource (uri), def); }
/**
* Parse using (deprecated) SAX1 style handlers,
* turning a file name into the document URI.
*/
public void parse(File file, HandlerBase handler)
throws SAXException, IOException
{
InputSource in;
in = new InputSource (DocumentBuilder.fileToURL (file));
parse (in, handler);
}
/**
* Parse using SAX2 style handlers,
* turning a file name into the document URI.
*/
public void parse(File file, DefaultHandler def)
throws SAXException, IOException
{
InputSource in;
in = new InputSource (DocumentBuilder.fileToURL (file));
parse (in, def);
}
/**
* Parse using (deprecated) SAX1 style handlers.
*/
public void parse(InputSource source, HandlerBase handler)
throws SAXException, IOException
{
Parser parser;
// Prepare Parser
parser = getParser();
parser.setDocumentHandler(handler);
parser.setDTDHandler(handler);
parser.setEntityResolver(handler);
parser.setErrorHandler(handler);
// Parse
parser.parse(source);
}
/**
* Parse using SAX2 style handlers.
*/
public void parse(InputSource source, DefaultHandler def)
throws SAXException, IOException
{
XMLReader reader;
// Prepare XML Reader
reader = getXMLReader();
reader.setContentHandler(def);
reader.setDTDHandler(def);
reader.setEntityResolver(def);
reader.setErrorHandler(def);
// NOTE: this should NOT understand the
// extension handlers (lexical, decl).
reader.parse(source);
}
/**
* Get a (deprecated) SAX1 driver for the underlying parser.
*/
public abstract Parser getParser() throws SAXException;
/**
* Get a SAX2 driver for the underlying parser.
*/
public abstract XMLReader getXMLReader() throws SAXException;
public abstract boolean isNamespaceAware();
public abstract boolean isValidating();
}
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