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+// SAX parser factory.
+// http://www.saxproject.org
+// No warranty; no copyright -- use this as you will.
+// $Id: ParserFactory.java,v 1.1 2004/12/23 22:38:42 mark Exp $
+
+package org.xml.sax.helpers;
+
+import java.lang.ClassNotFoundException;
+import java.lang.IllegalAccessException;
+import java.lang.InstantiationException;
+import java.lang.SecurityException;
+import java.lang.ClassCastException;
+
+import org.xml.sax.Parser;
+
+
+/**
+ * Java-specific class for dynamically loading SAX parsers.
+ *
+ * <blockquote>
+ * <em>This module, both source code and documentation, is in the
+ * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
+ * See <a href='http://www.saxproject.org'>http://www.saxproject.org</a>
+ * for further information.
+ * </blockquote>
+ *
+ * <p><strong>Note:</strong> This class is designed to work with the now-deprecated
+ * SAX1 {@link org.xml.sax.Parser Parser} class. SAX2 applications should use
+ * {@link org.xml.sax.helpers.XMLReaderFactory XMLReaderFactory} instead.</p>
+ *
+ * <p>ParserFactory is not part of the platform-independent definition
+ * of SAX; it is an additional convenience class designed
+ * specifically for Java XML application writers. SAX applications
+ * can use the static methods in this class to allocate a SAX parser
+ * dynamically at run-time based either on the value of the
+ * `org.xml.sax.parser' system property or on a string containing the class
+ * name.</p>
+ *
+ * <p>Note that the application still requires an XML parser that
+ * implements SAX1.</p>
+ *
+ * @deprecated This class works with the deprecated
+ * {@link org.xml.sax.Parser Parser}
+ * interface.
+ * @since SAX 1.0
+ * @author David Megginson
+ * @version 2.0.1 (sax2r2)
+ */
+public class ParserFactory {
+
+
+ /**
+ * Private null constructor.
+ */
+ private ParserFactory ()
+ {
+ }
+
+
+ /**
+ * Create a new SAX parser using the `org.xml.sax.parser' system property.
+ *
+ * <p>The named class must exist and must implement the
+ * {@link org.xml.sax.Parser Parser} interface.</p>
+ *
+ * @exception java.lang.NullPointerException There is no value
+ * for the `org.xml.sax.parser' system property.
+ * @exception java.lang.ClassNotFoundException The SAX parser
+ * class was not found (check your CLASSPATH).
+ * @exception IllegalAccessException The SAX parser class was
+ * found, but you do not have permission to load
+ * it.
+ * @exception InstantiationException The SAX parser class was
+ * found but could not be instantiated.
+ * @exception java.lang.ClassCastException The SAX parser class
+ * was found and instantiated, but does not implement
+ * org.xml.sax.Parser.
+ * @see #makeParser(java.lang.String)
+ * @see org.xml.sax.Parser
+ */
+ public static Parser makeParser ()
+ throws ClassNotFoundException,
+ IllegalAccessException,
+ InstantiationException,
+ NullPointerException,
+ ClassCastException
+ {
+ String className = System.getProperty("org.xml.sax.parser");
+ if (className == null) {
+ throw new NullPointerException("No value for sax.parser property");
+ } else {
+ return makeParser(className);
+ }
+ }
+
+
+ /**
+ * Create a new SAX parser object using the class name provided.
+ *
+ * <p>The named class must exist and must implement the
+ * {@link org.xml.sax.Parser Parser} interface.</p>
+ *
+ * @param className A string containing the name of the
+ * SAX parser class.
+ * @exception java.lang.ClassNotFoundException The SAX parser
+ * class was not found (check your CLASSPATH).
+ * @exception IllegalAccessException The SAX parser class was
+ * found, but you do not have permission to load
+ * it.
+ * @exception InstantiationException The SAX parser class was
+ * found but could not be instantiated.
+ * @exception java.lang.ClassCastException The SAX parser class
+ * was found and instantiated, but does not implement
+ * org.xml.sax.Parser.
+ * @see #makeParser()
+ * @see org.xml.sax.Parser
+ */
+ public static Parser makeParser (String className)
+ throws ClassNotFoundException,
+ IllegalAccessException,
+ InstantiationException,
+ ClassCastException
+ {
+ return (Parser) NewInstance.newInstance (
+ NewInstance.getClassLoader (), className);
+ }
+
+}
+