1   /*
2    * Copyright 2019 LINE Corporation
3    *
4    * LINE Corporation licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package com.linecorp.centraldogma.server.mirror;
17  
18  import static java.util.Objects.requireNonNull;
19  
20  /**
21   * A utility class for creating a mirroring task.
22   */
23  public final class MirrorUtil {
24  
25      /**
26       * Normalizes the specified {@code path}. A path which starts and ends with {@code /} would be returned.
27       * Also, it would not have consecutive {@code /}.
28       */
29      public static String normalizePath(String path) {
30          requireNonNull(path, "path");
31          if (path.isEmpty()) {
32              return "/";
33          }
34  
35          if (!path.startsWith("/")) {
36              path = '/' + path;
37          }
38  
39          if (!path.endsWith("/")) {
40              path += '/';
41          }
42  
43          return path.replaceAll("//+", "/");
44      }
45  
46      private MirrorUtil() {}
47  }