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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  }