/*
* The Apache Software License, Version 1.1
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*
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* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999-2001, Sun Microsystems,
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package jp.kshoji.javax.xml.parsers;
import org.xml.sax.Parser;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import javax.xml.parsers.*;
/**
* Defines a factory API that enables applications to configure and
* obtain a SAX based parser to parse XML documents.<p>
* An implementation of the <code>SAXParserFactory</code> class is
* <em>NOT</em> guaranteed to be thread safe. It is up to the user application
* to make sure about the use of the <code>SAXParserFactory</code> from
* more than one thread. Alternatively the application can have one instance
* of the <code>SAXParserFactory</code> per thread.
* An application can use the same instance of the factory to obtain one or
* more instances of the <code>SAXParser</code> provided the instance
* of the factory isn't being used in more than one thread at a time.
* <p>
*
* The static <code>newInstance</code> method returns a new concrete
* implementation of this class.
*
* @since JAXP 1.0
* @version 1.0
*/
public abstract class SAXParserFactory {
private boolean validating = false;
private boolean namespaceAware= false;
protected SAXParserFactory () {
}
/**
* Obtain a new instance of a <code>SAXParserFactory</code>. This
* static method creates a new factory instance
* This method uses the following ordered lookup procedure to determine
* the <code>SAXParserFactory</code> implementation class to
* load:
* <ul>
* <li>
* Use the <code>javax.xml.parsers.SAXParserFactory</code> system
* property.
* </li>
* <li>
* Use the properties file "lib/jaxp.properties" in the JRE directory.
* This configuration file is in standard <code>java.util.Properties
* </code> format and contains the fully qualified name of the
* implementation class with the key being the system property defined
* above.
* </li>
* <li>
* Use the Services API (as detailed in the JAR specification), if
* available, to determine the classname. The Services API will look
* for a classname in the file
* <code>META-INF/services/javax.xml.parsers.SAXParserFactory</code>
* in jars available to the runtime.
* </li>
* <li>
* Platform default <code>SAXParserFactory</code> instance.
* </li>
* </ul>
*
* Once an application has obtained a reference to a
* <code>SAXParserFactory</code> it can use the factory to
* configure and obtain parser instances.
*
* @return A new instance of a SAXParserFactory.
*
* @exception javax.xml.parsers.FactoryConfigurationError if the implementation is
* not available or cannot be instantiated.
*/
public static SAXParserFactory newInstance()
throws FactoryConfigurationError
{
try {
return (SAXParserFactory) FactoryFinder.find(
/* The default property name according to the JAXP spec */
"javax.xml.parsers.SAXParserFactory",
/* The fallback implementation class name */
"org.apache.xerces.jaxp.SAXParserFactoryImpl");
} catch (FactoryFinder.ConfigurationError e) {
throw new FactoryConfigurationError(e.getException(),
e.getMessage());
}
}
/**
* Creates a new instance of a SAXParser using the currently
* configured factory parameters.
*
* @return A new instance of a SAXParser.
*
* @exception javax.xml.parsers.ParserConfigurationException if a parser cannot
* be created which satisfies the requested configuration.
*/
public abstract javax.xml.parsers.SAXParser newSAXParser()
throws ParserConfigurationException, SAXException;
/**
* Specifies that the parser produced by this code will
* provide support for XML namespaces. By default the value of this is set
* to <code>false</code>.
*
* @param awareness true if the parser produced by this code will
* provide support for XML namespaces; false otherwise.
*/
public void setNamespaceAware(boolean awareness)
{
this.namespaceAware = awareness;
}
/**
* Specifies that the parser produced by this code will
* validate documents as they are parsed. By default the value of this is
* set to <code>false</code>.
*
* @param validating true if the parser produced by this code will
* validate documents as they are parsed; false otherwise.
*/
public void setValidating(boolean validating)
{
this.validating = validating;
}
/**
* Indicates whether or not the factory is configured to produce
* parsers which are namespace aware.
*
* @return true if the factory is configured to produce
* parsers which are namespace aware; false otherwise.
*/
public boolean isNamespaceAware() {
return namespaceAware;
}
/**
* Indicates whether or not the factory is configured to produce
* parsers which validate the XML content during parse.
*
* @return true if the factory is configured to produce parsers which validate
* the XML content during parse; false otherwise.
*/
public boolean isValidating() {
return validating;
}
/**
*
* Sets the particular feature in the underlying implementation of
* org.xml.sax.XMLReader.
* A list of the core features and properties can be found at
* <a href="http://www.megginson.com/SAX/Java/features.html"> http://www.megginson.com/SAX/Java/features.html </a>
*
* @param name The name of the feature to be set.
* @param value The value of the feature to be set.
* @exception org.xml.sax.SAXNotRecognizedException When the underlying XMLReader does
* not recognize the property name.
*
* @exception org.xml.sax.SAXNotSupportedException When the underlying XMLReader
* recognizes the property name but doesn't support the
* property.
*
* @see org.xml.sax.XMLReader#setFeature
*/
public abstract void setFeature(String name, boolean value)
throws ParserConfigurationException, SAXNotRecognizedException,
SAXNotSupportedException;
/**
*
* Returns the particular property requested for in the underlying
* implementation of org.xml.sax.XMLReader.
*
* @param name The name of the property to be retrieved.
* @return Value of the requested property.
*
* @exception org.xml.sax.SAXNotRecognizedException When the underlying XMLReader does
* not recognize the property name.
*
* @exception org.xml.sax.SAXNotSupportedException When the underlying XMLReader
* recognizes the property name but doesn't support the
* property.
*
* @see org.xml.sax.XMLReader#getProperty
*/
public abstract boolean getFeature(String name)
throws ParserConfigurationException, SAXNotRecognizedException,
SAXNotSupportedException;
}