diff options
Diffstat (limited to 'libjava/org/xml/sax/helpers/NewInstance.java')
-rw-r--r-- | libjava/org/xml/sax/helpers/NewInstance.java | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/libjava/org/xml/sax/helpers/NewInstance.java b/libjava/org/xml/sax/helpers/NewInstance.java deleted file mode 100644 index 7d107a65239..00000000000 --- a/libjava/org/xml/sax/helpers/NewInstance.java +++ /dev/null @@ -1,80 +0,0 @@ -// NewInstance.java - create a new instance of a class by name. -// http://www.saxproject.org -// Written by Edwin Goei, edwingo@apache.org -// and by David Brownell, dbrownell@users.sourceforge.net -// NO WARRANTY! This class is in the Public Domain. - -// $Id: NewInstance.java,v 1.1.2.4 2002/01/29 21:34:14 dbrownell Exp $ - -package org.xml.sax.helpers; - -import java.lang.reflect.Method; -import java.lang.reflect.InvocationTargetException; - -/** - * Create a new instance of a class by name. - * - * <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>This class contains a static method for creating an instance of a - * class from an explicit class name. It tries to use the thread's context - * ClassLoader if possible and falls back to using - * Class.forName(String).</p> - * - * <p>This code is designed to compile and run on JDK version 1.1 and later - * including versions of Java 2.</p> - * - * @author Edwin Goei, David Brownell - * @version 2.0.1 (sax2r2) - */ -class NewInstance { - - /** - * Creates a new instance of the specified class name - * - * Package private so this code is not exposed at the API level. - */ - static Object newInstance (ClassLoader classLoader, String className) - throws ClassNotFoundException, IllegalAccessException, - InstantiationException - { - Class driverClass; - if (classLoader == null) { - driverClass = Class.forName(className); - } else { - driverClass = classLoader.loadClass(className); - } - return driverClass.newInstance(); - } - - /** - * Figure out which ClassLoader to use. For JDK 1.2 and later use - * the context ClassLoader. - */ - static ClassLoader getClassLoader () - { - Method m = null; - - try { - m = Thread.class.getMethod("getContextClassLoader", null); - } catch (NoSuchMethodException e) { - // Assume that we are running JDK 1.1, use the current ClassLoader - return NewInstance.class.getClassLoader(); - } - - try { - return (ClassLoader) m.invoke(Thread.currentThread(), null); - } catch (IllegalAccessException e) { - // assert(false) - throw new UnknownError(e.getMessage()); - } catch (InvocationTargetException e) { - // assert(e.getTargetException() instanceof SecurityException) - throw new UnknownError(e.getMessage()); - } - } -} |