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From-SVN: r102074
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Tom Tromey
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340
libjava/classpath/javax/xml/parsers/SAXParser.java
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libjava/classpath/javax/xml/parsers/SAXParser.java
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/* SAXParser.java --
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Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.xml.parsers;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import javax.xml.validation.Schema;
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import org.xml.sax.HandlerBase;
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import org.xml.sax.InputSource;
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import org.xml.sax.Parser;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXNotRecognizedException;
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import org.xml.sax.SAXNotSupportedException;
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import org.xml.sax.XMLReader;
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import org.xml.sax.helpers.DefaultHandler;
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/**
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* Convenience class for using or accessing a SAX version 1 or 2 parser.
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* Instances of this class are <em>not</em> guaranteed to be thread safe.
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*
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* @author (a href='mailto:dog@gnu.org'>Chris Burdess</a)
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*/
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public abstract class SAXParser
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{
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protected SAXParser()
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{
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}
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/**
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* Parse the specifed input stream, reporting SAX1 events to the given
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* handler.
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* Prefer the SAX2 version of this method, since the HandlerBase class is
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* now deprecated.
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* Also prefer the version of this method that specifies a system ID, in
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* order to resolve external references correctly.
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* @param is an XML input stream
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* @param hb the SAX1 handler
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* @exception IllegalArgumentException if the input stream is null
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* @see #parse(java.io.InputStream,org.xml.sax.helpers.DefaultHandler)
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*/
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public void parse(InputStream is, HandlerBase hb)
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throws SAXException, IOException
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{
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if (is == null)
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{
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throw new IllegalArgumentException("input stream is null");
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}
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parse(new InputSource(is), hb);
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}
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/**
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* Parse the specified input stream, reporting SAX1 events to the given
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* handler.
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* Prefer the SAX2 version of this method, since the HandlerBase class is
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* now deprecated.
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* @param is an XML input stream
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* @param hb the SAX1 handler
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* @param systemId the system ID of the XML document
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* @exception IllegalArgumentException if the input stream is null
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* @see #parse(java.io.InputStream,org.xml.sax.helpers.DefaultHandler,java.lang.String)
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*/
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public void parse(InputStream is, HandlerBase hb, String systemId)
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throws SAXException, IOException
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{
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if (is == null)
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{
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throw new IllegalArgumentException("input stream is null");
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}
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InputSource source = new InputSource(is);
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source.setSystemId(systemId);
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parse(source, hb);
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}
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/**
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* Parse the specified input stream, reporting SAX2 events to the given
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* handler.
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* Prefer the version of this method that specifies a system ID, in
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* order to resolve external references correctly.
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* @param is an XML input stream
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* @param dh the SAX2 handler
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* @exception IllegalArgumentException if the input stream is null
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*/
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public void parse(InputStream is, DefaultHandler dh)
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throws SAXException, IOException
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{
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if (is == null)
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{
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throw new IllegalArgumentException("input stream is null");
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}
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parse(new InputSource(is), dh);
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}
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/**
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* Parse the specified input stream, reporting SAX2 events to the given
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* handler.
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* @param is an XML input stream
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* @param dh the SAX2 handler
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* @param systemId the system ID of the XML document
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* @exception IllegalArgumentException if the input stream is null
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*/
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public void parse (InputStream is, DefaultHandler dh, String systemId)
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throws SAXException, IOException
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{
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if (is == null)
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{
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throw new IllegalArgumentException("input stream is null");
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}
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InputSource source = new InputSource(is);
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source.setSystemId(systemId);
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parse(source, dh);
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}
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/**
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* Parse the content of the specified URI, reporting SAX1 events to the
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* given handler.
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* Prefer the SAX2 version of this method, since the HandlerBase class is
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* now deprecated.
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* @param uri an XML system ID
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* @param hb the SAX1 handler
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* @exception IllegalArgumentException if the URI is null
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* @see #parse(java.lang.String,org.xml.sax.helpers.DefaultHandler)
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*/
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public void parse(String uri, HandlerBase hb)
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throws SAXException, IOException
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{
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if (uri == null)
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{
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throw new IllegalArgumentException("URI is null");
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}
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parse(new InputSource(uri), hb);
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}
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/**
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* Parse the content of the specified URI, reporting SAX2 events to the
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* given handler.
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* @param uri an XML system ID
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* @param dh the SAX2 handler
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* @exception IllegalArgumentException if the URI is null
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*/
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public void parse(String uri, DefaultHandler dh)
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throws SAXException, IOException
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{
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if (uri == null)
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{
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throw new IllegalArgumentException("URI is null");
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}
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parse(new InputSource(uri), dh);
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}
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/**
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* Parse the content of the specified file, reporting SAX1 events to the
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* given handler.
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* Prefer the SAX2 version of this method, since the HandlerBase class is
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* now deprecated.
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* @param f an XML file
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* @param hb the SAX1 handler
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* @exception IllegalArgumentException if the file is null
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* @see #parse(java.io.File,org.xml.sax.helpers.DefaultHandler)
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*/
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public void parse(File f, HandlerBase hb)
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throws SAXException, IOException
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{
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if (f == null)
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{
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throw new IllegalArgumentException("file is null");
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}
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InputSource source = new InputSource(new FileInputStream(f));
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source.setSystemId(f.toURL().toString());
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parse(source, hb);
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}
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/**
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* Parse the content of the specified file, reporting SAX2 events to the
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* given handler.
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* @param f an XML file
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* @param dh the SAX2 handler
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* @exception IllegalArgumentException if the file is null
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*/
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public void parse(File f, DefaultHandler dh)
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throws SAXException, IOException
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{
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if (f == null)
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{
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throw new IllegalArgumentException("file is null");
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}
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InputSource source = new InputSource(new FileInputStream(f));
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source.setSystemId(f.toURL().toString());
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parse(source, dh);
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}
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/**
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* Parse the specified input source, reporting SAX1 events to the
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* given handler.
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* Prefer the SAX2 version of this method, since the HandlerBase class is
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* now deprecated.
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* @param is the SAX input source
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* @param hb the SAX1 handler
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* @exception IllegalArgumentException if the input source is null
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* @see #parse(org.xml.sax.InputSource,org.xml.sax.helpers.DefaultHandler)
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*/
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public void parse(InputSource is, HandlerBase hb)
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throws SAXException, IOException
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{
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if (is == null)
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{
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throw new IllegalArgumentException("input source is null");
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}
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Parser parser = getParser();
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parser.setDocumentHandler(hb);
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parser.setDTDHandler(hb);
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parser.setEntityResolver(hb);
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parser.setErrorHandler(hb);
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parser.parse(is);
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}
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/**
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* Parse the specified input source, reporting SAX2 events to the
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* given handler.
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* @param f an XML file
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* @param dh the SAX2 handler
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* @exception IllegalArgumentException if the input source is null
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*/
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public void parse(InputSource is, DefaultHandler dh)
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throws SAXException, IOException
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{
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if (is == null)
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{
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throw new IllegalArgumentException("input source is null");
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}
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XMLReader reader = getXMLReader();
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reader.setContentHandler(dh);
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reader.setDTDHandler(dh);
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reader.setEntityResolver(dh);
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reader.setErrorHandler(dh);
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reader.parse(is);
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}
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/**
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* Returns the underlying SAX1 parser.
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*/
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public abstract Parser getParser() throws SAXException;
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/**
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* Returns the underlying SAX2 parser.
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* @since 1.1
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*/
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public abstract XMLReader getXMLReader() throws SAXException;
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/**
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* Indicates whether this parser is XML Namespace aware.
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*/
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public abstract boolean isNamespaceAware();
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/**
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* Indicates whether this parser will validate its input.
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*/
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public abstract boolean isValidating();
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/**
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* Sets the specified SAX2 parser property.
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* @param name the name of the property
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* @param value the value of the property
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*/
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public abstract void setProperty(String name, Object value)
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throws SAXNotRecognizedException, SAXNotSupportedException;
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/**
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* Returns the value of the specified SAX2 parser property.
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* @param name the name of the property
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*/
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public abstract Object getProperty(String name)
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throws SAXNotRecognizedException, SAXNotSupportedException;
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// -- JAXP 1.3 methods --
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/**
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* Resets this parser to its original configuration.
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* @since 1.3
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*/
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public void reset()
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{
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}
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/**
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* Returns the schema in use by this parser.
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* @since 1.3
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*/
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public Schema getSchema()
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{
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return null;
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}
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/**
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* Indicates whether this parser is XInclude-aware.
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* @since 1.3
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*/
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public boolean isXIncludeAware()
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{
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return false;
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}
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}
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