/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.archetype.common.util;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.codehaus.plexus.util.StringUtils;

/**
 * @author rafale
 */
public class PathUtils {
    /**
     * This method converts all \ or / chars to File.separatorChar.
     *
     * @param path
     * @return converted path
     */
    public static String convertPathForOS(String path) {
        path = StringUtils.replace(path, "/", File.separator);
        return StringUtils.replace(path, "\\", File.separator);
    }

    public static String getDirectory(String file, int level) {
        file = convertPathForOS(file);

        String[] fileAsArray = StringUtils.split(file, File.separator);
        List<String> directoryAsArray = new ArrayList<>();

        for (int i = 0; (i < level) && (i < (fileAsArray.length - 1)); i++) {
            directoryAsArray.add(fileAsArray[i]);
        }

        return StringUtils.join(directoryAsArray.iterator(), File.separator);
    }
}
