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/*
 * 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.sling.ide.util;

public class PathUtil {

    public static String join(String first, String second) {

        boolean repoUrlHasTrailingSlash = first.endsWith("/");
        boolean relativePathHasLeadingSlash = !second.isEmpty() && second.charAt(0) == '/';

        if (repoUrlHasTrailingSlash ^ relativePathHasLeadingSlash)
            return first + second;
        if (!repoUrlHasTrailingSlash && !relativePathHasLeadingSlash)
            return first + '/' + second;
        if (repoUrlHasTrailingSlash && relativePathHasLeadingSlash)
            return first + second.substring(1);

        throw new AssertionError("unreachable");
    }

    public static String getName(String path) {

        return path.substring(path.lastIndexOf('/') + 1);
    }
}