| /******************************************************************************* |
| * Copyright (c) 2009, 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 java.io.OutputStream; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| import org.eclipse.help.webapp.IFilter; |
| |
| /** |
| * This class is a filter based on PluginsRootResolvingStream |
| * which replaces PLUGINS_ROOT with a relative path to eliminate redirects. |
| * It also performs preprocessing to add child links at runtime. |
| */ |
| public class PluginsRootFilter implements IFilter { |
| |
| @Override |
| public OutputStream filter(HttpServletRequest req, OutputStream out) { |
| String pathPrefix = FilterUtils.getRelativePathPrefix(req); |
| if (pathPrefix.length() >= 3) { |
| return new PluginsRootResolvingStream(out, req, pathPrefix.substring(0, pathPrefix.length() - 3)); |
| } |
| return out; |
| } |
| |
| } |