| /* |
| * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package test; |
| |
| import java.io.IOException; |
| |
| import jakarta.servlet.Filter; |
| import jakarta.servlet.FilterChain; |
| import jakarta.servlet.FilterConfig; |
| import jakarta.servlet.ServletException; |
| import jakarta.servlet.ServletRequest; |
| import jakarta.servlet.ServletResponse; |
| import jakarta.servlet.annotation.WebFilter; |
| import jakarta.servlet.annotation.WebInitParam; |
| |
| @WebFilter(urlPatterns={""}, initParams={ @WebInitParam(name="mesg", value="my filter") }) |
| public class TestFilter implements Filter { |
| String mesg = null; |
| |
| public void init(FilterConfig filterConfig) throws ServletException { |
| System.out.println(">>> filter.init"); |
| mesg = filterConfig.getInitParameter("mesg"); |
| } |
| |
| public void doFilter(ServletRequest req, ServletResponse res, |
| FilterChain chain) throws IOException, ServletException { |
| |
| System.out.println(">>> filter.doFilter"); |
| req.setAttribute("filterMessage", mesg); |
| chain.doFilter(req, res); |
| } |
| |
| public void destroy() { |
| System.out.println(">>> filter.destroy"); |
| } |
| } |