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/*
* $Id: SAXParserFactory.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.IOException;
import java.io.InputStream;
import java.io.File;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Properties;
import org.w3c.dom.*;
import org.xml.sax.*;
/**
* SAXParserFactory is used to bootstrap JAXP wrappers for
* SAX parsers.
*
* <para> Note that the JAXP 1.1 spec does not specify how
* the <em>isValidating()</em> or <em>isNamespaceAware()</em>
* flags relate to the SAX2 feature flags controlling those
* same features.
*
* @author Andrew Selkirk, David Brownell
* @version 1.0
*/
public abstract class SAXParserFactory {
//-------------------------------------------------------------
// Variables --------------------------------------------------
//-------------------------------------------------------------
private static final String defaultPropName =
"javax.xml.parsers.SAXParserFactory";
private boolean validating = false;
private boolean namespaceAware = false;
//-------------------------------------------------------------
// Initialization ---------------------------------------------
//-------------------------------------------------------------
protected SAXParserFactory() {
} // SAXParserFactory()
//-------------------------------------------------------------
// Methods ----------------------------------------------------
//-------------------------------------------------------------
public static SAXParserFactory newInstance() {
try {
return (SAXParserFactory)
ClassStuff.createFactory (
defaultPropName,
"gnu.xml.aelfred2.JAXPFactory");
} catch (ClassCastException e) {
throw new FactoryConfigurationError (e,
"Factory class is the wrong type");
}
}
/**
* Returns a new instance of a SAXParser using the platform
* default implementation and the currently specified factory
* feature flag settings.
*
* @exception ParserConfigurationException
* when the parameter combination is not supported
* @exception SAXNotRecognizedException
* if one of the specified SAX2 feature flags is not recognized
* @exception SAXNotSupportedException
* if one of the specified SAX2 feature flags values can
* not be set, perhaps because of sequencing requirements
* (which could be met by using SAX2 directly)
*/
public abstract SAXParser newSAXParser()
throws ParserConfigurationException, SAXException;
public void setNamespaceAware(boolean value) {
namespaceAware = value;
} // setNamespaceAware()
public void setValidating(boolean value) {
validating = value;
} // setValidating()
public boolean isNamespaceAware() {
return namespaceAware;
} // isNamespaceAware()
public boolean isValidating() {
return validating;
} // isValidating()
/**
* Establishes a factory parameter corresponding to the
* specified feature flag.
*
* @param name identifies the feature flag
* @param value specifies the desired flag value
*
* @exception SAXNotRecognizedException
* if the specified SAX2 feature flag is not recognized
* @exception SAXNotSupportedException
* if the specified SAX2 feature flag values can not be set,
* perhaps because of sequencing requirements (which could
* be met by using SAX2 directly)
*/
public abstract void setFeature (String name, boolean value)
throws ParserConfigurationException,
SAXNotRecognizedException,
SAXNotSupportedException;
/**
* Retrieves a current factory feature flag setting.
*
* @param name identifies the feature flag
*
* @exception SAXNotRecognizedException
* if the specified SAX2 feature flag is not recognized
* @exception SAXNotSupportedException
* if the specified SAX2 feature flag values can not be
* accessed before parsing begins.
*/
public abstract boolean getFeature (String name)
throws ParserConfigurationException,
SAXNotRecognizedException,
SAXNotSupportedException;
} // SAXParserFactory
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