/*
 * Copyright (c) 2007-2009, Osmorc Development Team
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright notice, this list
 *       of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this
 *       list of conditions and the following disclaimer in the documentation and/or other
 *       materials provided with the distribution.
 *     * Neither the name of 'Osmorc Development Team' nor the names of its contributors may be
 *       used to endorse or promote products derived from this software without specific
 *       prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.osmorc.frameworkintegration.util;

import com.intellij.openapi.vfs.JarFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * Author: Robert F. Beeger (robert@beeger.net)
 */
public class FileUtil
{

  public static String getNameWithoutJarSuffix(@NotNull VirtualFile libraryClasses)
  {
    return getNameWithoutTail(libraryClasses, ".jar");
  }

  public static String getNameWithoutTail(@NotNull VirtualFile libraryClasses, @NotNull String tail)
  {
    return getNameWithoutTail(libraryClasses.getName(), tail);
  }

  public static String getNameWithoutTail(@NotNull String name, @NotNull String tail)
  {
    if (name.toLowerCase().endsWith(tail.toLowerCase()))
    {
      return name.substring(0, name.length() - tail.length());
    }
    else
    {
      return name;
    }
  }

  public static VirtualFile getFolder(@Nullable VirtualFile file)
  {
    VirtualFile result = null;

    if (file != null)
    {
      if (file.isDirectory())
      {
        result = file;
      }
      else
      {
        result = JarFileSystem.getInstance().getJarRootForLocalFile(file);
      }
    }

    return result;
  }


}