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    1   /*
    2    * $Id: ResourceUtil.java 471833 2006-11-06 19:13:16Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts2.views.util;
    22
    23  import org.apache.struts2.RequestUtils;
    24  import javax.servlet.http.HttpServletRequest;
    25
    26  public class ResourceUtil {
    27      public static String getResourceBase(HttpServletRequest req) {
    28          String path = RequestUtils.getServletPath(req);
    29          if (path == null || "".equals(path)) {
    30              return "";
    31          }
    32
    33          return path.substring(0, path.lastIndexOf('/'));
    34      }
    35  }