/*******************************************************************************
* Copyright (c) 2007, 2015 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* 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
StringBuffer result = new StringBuffer(""); //$NON-NLS-1$
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();
}
}