net.sf.staccatocommons.instrument.internal.ClassNames Maven / Gradle / Ivy

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/**
 *  Copyright (c) 2010-2012, The StaccatoCommons Team
 *
 *  This program 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; version 3 of the License.
 *
 *  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 Lesser General Public License for more details.
 */

package net.sf.staccatocommons.instrument.internal;

import java.io.File;
import java.util.regex.Pattern;

import net.sf.staccatocommons.io.Directory;

import org.apache.commons.io.FilenameUtils;

/**
 * @author flbulgarelli
 * 
 */
public class ClassNames {

  /** Returns the class name of a given classFile */
  public static String getClassName(Directory classDirectory, File classFile) {
    String classFileAbsolutePath = classFile.getAbsolutePath();
    String classDirectoryAbsolutePath = classDirectory.getAbsolutePath();
    return FilenameUtils //
      .removeExtension(makeRelativeTo(classDirectoryAbsolutePath, classFileAbsolutePath))
      .replace(File.separator, ".");
  }

  private static String makeRelativeTo(String absoluteNormalizedBaseDirectoryName, String absoluteNormalizedFileName) {
    return absoluteNormalizedFileName//
      .replaceFirst(Pattern //
        .quote(absoluteNormalizedBaseDirectoryName + File.separator), "");
  }

}