mockit.coverage.paths.PathBuilder Maven / Gradle / Ivy

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/*
 * Copyright (c) 2006-2013 Rogério Liesenfeld
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.coverage.paths;

import java.util.*;

import org.jetbrains.annotations.*;

import mockit.coverage.paths.Node.*;

final class PathBuilder
{
   @NotNull List buildPaths(@NotNull List nodes)
   {
      if (nodes.size() == 1) {
         return Collections.emptyList();
      }

      Entry entryNode = (Entry) nodes.get(0);
      Path path = new Path(entryNode);

      ConditionalSuccessor nextNode = entryNode.nextNode;

      if (nextNode == null) {
         nextNode = (ConditionalSuccessor) nodes.get(1);
      }

      nextNode.addToPath(path);

      return getAllPathsFromExitNodes(nodes);
   }

   @NotNull private List getAllPathsFromExitNodes(@NotNull List nodes)
   {
      List paths = new ArrayList();

      for (Node node : nodes) {
         if (node instanceof Exit) {
            paths.addAll(((Exit) node).paths);
         }
      }

      return paths;
   }
}