trunk/core/src/main/java/org/apache/struts2/views/util/ResourceUtil.java

/*
 * $Id$
 *
 * Copyright 2006 The Apache Software Foundation.
 *
 * 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 org.apache.struts2.views.util;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.RequestUtils;

/**
 */
public class ResourceUtil {
    public static String getResourceBase(HttpServletRequest req) {
        String path = RequestUtils.getServletPath(req);
        if (path == null || "".equals(path)) {
            return "";
        }

        return path.substring(0, path.lastIndexOf('/'));
    }
}