| /******************************************************************************* |
| * Copyright (c) 2007, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.help.internal.webapp.servlet; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| public class FilterUtils { |
| |
| public static String getRelativePathPrefix(HttpServletRequest req) { |
| // append "../" to get to the webapp |
| StringBuilder result = new StringBuilder(""); //$NON-NLS-1$ |
| String path = req.getPathInfo(); |
| if (path != null) { |
| for (int i; 0 <= (i = path.indexOf('/')); path = path |
| .substring(i + 1)) { |
| result.append("../"); //$NON-NLS-1$ |
| } |
| } |
| return result.toString(); |
| } |
| |
| } |