classes.java

这是04年写的

/* MetricsAnalyzer
 * Copyright (C) 2002  TIKE (tike.mmm.fi)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program 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 General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package metricsanalyzer.util;

/**
 * Helper functions for dealing with Classes and reflection.
 */
public class Classes {
  public static String getPackagePart(String qualifiedClassName) {
    return qualifiedClassName.substring(0, qualifiedClassName.lastIndexOf('.'));
  }
    
  public static String getClassPart(String qualifiedClassName) {
    return qualifiedClassName.substring(qualifiedClassName.lastIndexOf('.') + 1);
  }

  public static Object newInstanceForName(String className) throws Exception {
    return Class.forName(className).getConstructor(new Class[0]).newInstance(new Object[0]);
  }
}