Java tutorial
package edu.uiowa.icts.filter; /* * #%L * spring-utils * %% * Copyright (C) 2010 - 2015 University of Iowa Institute for Clinical and Translational Science (ICTS) * %% * 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. * #L% */ import java.io.IOException; import javax.servlet.FilterChain; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.web.filter.GenericFilterBean; /** * <p>IctsSecurityFilter class.</p> * * @author rrlorent * @version $Id: $ */ public class IctsSecurityFilter extends GenericFilterBean { private static final Log log = LogFactory.getLog(IctsSecurityFilter.class); /** {@inheritDoc} */ @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest servletRequest = (HttpServletRequest) request; log.debug("filtering request " + servletRequest.getRequestURI()); // ServletContext sc = getServletContext(); // Enumeration names = sc.getInitParameterNames(); // while( names.hasMoreElements() ){ // log.debug(names.nextElement()); // } chain.doFilter(request, response); } }