content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.nacos.client.utils;
  
  import com.alibaba.nacos.common.utils.StringUtils;
  
  /**
   * Context path Util.
   *
   * @author Wei.Wang
   */
  public class ContextPathUtil {
      
      private static final String ROOT_WEB_CONTEXT_PATH = "/";
      
      /**
       * normalize context path.
       *
       * @param contextPath origin context path
       * @return normalized context path
       */
      public static String normalizeContextPath(String contextPath) {
          if (StringUtils.isBlank(contextPath) || ROOT_WEB_CONTEXT_PATH.equals(contextPath)) {
              return StringUtils.EMPTY;
          }
          return contextPath.startsWith(ROOT_WEB_CONTEXT_PATH) ? contextPath : ROOT_WEB_CONTEXT_PATH + contextPath;
      }
  }
  