/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.util;
import java.net.URL;
import java.io.File;
/** A utility class that moves a class file to a .bak file to effectively
* remove it from the classpath using #move(String) and restores it using
* #restore(File).
*
* @author Scott.Stark@jboss.org
* @version $Revision: 81036 $
*/
public class ClassMover
{
public static File move(String className)
throws ClassNotFoundException
{
File classFileBak = null;
String resName = className.replace('.', '/');
URL classRes = ClassMover.class.getResource("/" + resName + ".class");
if (classRes != null)
{
System.out.println("Found "+className+" impl at: " + classRes);
File classFile = new File(classRes.getFile());
classFileBak = new File(classFile.getAbsolutePath() + ".bak");
classFileBak.delete();
boolean moved = classFile.renameTo(classFileBak);
System.out.println("Moved to .bak: " + moved);
}
else
{
throw new ClassNotFoundException("No class file found: "+className);
}
return classFileBak;
}
public static void restore(File classFileBak)
{
if( classFileBak.exists() )
{
String name = classFileBak.getAbsolutePath();
String origName = name.substring(0, name.length() - 4);
File classFile = new File(origName);
boolean restored = classFileBak.renameTo(classFile);
System.out.println("Restored from .bak: " + restored);
}
}
}