JavaTM 2 Platform
Std. Ed. v1.4.2

org.xml.sax.helpers
Class XMLReaderFactory

java.lang.Object
  extended byorg.xml.sax.helpers.XMLReaderFactory

public final class XMLReaderFactory
extends Object

Factory for creating an XML reader.

This module, both source code and documentation, is in the Public Domain, and comes with NO WARRANTY.

This class contains static methods for creating an XML reader from an explicit class name, or for creating an XML reader based on the value of the org.xml.sax.driver system property:

 try {
   XMLReader myReader = XMLReaderFactory.createXMLReader();
 } catch (SAXException e) {
   System.err.println(e.getMessage());
 }
 

Note that these methods will not be usable in environments where system properties are not accessible or where the application or applet is not permitted to load classes dynamically.

Note to implementors: SAX implementations in specialized environments may replace this class with a different one optimized for the environment, as long as its method signatures remain the same.

Since:
SAX 2.0
See Also:
XMLReader

Method Summary
static XMLReader createXMLReader()
          Attempt to create an XML reader from a system property.
static XMLReader createXMLReader(String className)
          Attempt to create an XML reader from a class name.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Method Detail

createXMLReader

public static XMLReader createXMLReader()
                                 throws SAXException
Attempt to create an XML reader from a system property.

This method uses the value of the system property "org.xml.sax.driver" as the full name of a Java class and tries to instantiate that class as a SAX2 XMLReader.

Note that many Java interpreters allow system properties to be specified on the command line.

Returns:
A new XMLReader.
Throws:
SAXException - If the value of the "org.xml.sax.driver" system property is null, or if the class cannot be loaded and instantiated.
See Also:
createXMLReader(java.lang.String)

createXMLReader

public static XMLReader createXMLReader(String className)
                                 throws SAXException
Attempt to create an XML reader from a class name.

Given a class name, this method attempts to load and instantiate the class as an XML reader.

Returns:
A new XML reader.
Throws:
SAXException - If the class cannot be loaded, instantiated, and cast to XMLReader.
See Also:
createXMLReader()

JavaTM 2 Platform
Std. Ed. v1.4.2

Submit a bug or feature
For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.


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