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/**
 * Copyright (C) 2010-2018 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite 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 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite 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 Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see .
 */
package org.evosuite.coverage.rho;

import org.evosuite.Properties;
import org.evosuite.coverage.line.LineCoverageTestFitness;
import org.evosuite.instrumentation.LinePool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

/**
 * RhoAux class.
 * 
 * @author José Campos
 */
public class RhoAux {

  private static final Logger logger = LoggerFactory.getLogger(RhoAux.class);

  private static boolean isCUTorNot(String className) {
    if (!Properties.TARGET_CLASS.equals("") && !(className.equals(Properties.TARGET_CLASS)
        || className.startsWith(Properties.TARGET_CLASS + "$"))) {
      return false;
    }
    return true;
  }

  /**
   * Returns the list of lines goals of the CUT
   * 
   * @return
   */
  public static List getLineGoals() {
    List goals = new ArrayList();

    /*TestFitnessFactory factory = FitnessFunctions.getFitnessFactory(Properties.Criterion.ONLYLINE);
    for (TestFitnessFunction goal : factory.getCoverageGoals()) {
        goals.add((LineCoverageTestFitness) goal);
    }*/

    for (String className : LinePool.getKnownClasses()) {
      // Only lines in CUT
      if (!isCUTorNot(className)) {
        continue;
      }

      Set lines = new LinkedHashSet();
      for (String methodName : LinePool.getKnownMethodsFor(className)) {
        lines.addAll(LinePool.getLines(className, methodName));
      }

      for (Integer line : lines) {
        logger.info("Adding line " + line + " for class '" + className + "'");
        // Properties.TARGET_METHOD as to be used instead of methodName, otherwise
        // an CFG exception would be thrown
        goals.add(new LineCoverageTestFitness(className, Properties.TARGET_METHOD, line));
      }
    }

    return goals;
  }
}