| // Copyright 2008 The Apache Software Foundation |
| // |
| // 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. |
| |
| package org.apache.tapestry5.internal.services; |
| |
| import org.apache.tapestry5.services.HttpServletRequestFilter; |
| import org.apache.tapestry5.services.HttpServletRequestHandler; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.regex.Pattern; |
| |
| public class IgnoredPathsFilter implements HttpServletRequestFilter |
| { |
| private final Pattern[] ignoredPatterns; |
| |
| public IgnoredPathsFilter(Collection<String> configuration) |
| { |
| ignoredPatterns = new Pattern[configuration.size()]; |
| |
| int i = 0; |
| |
| for (String regexp : configuration) |
| { |
| Pattern p = Pattern.compile(regexp, Pattern.CASE_INSENSITIVE); |
| |
| ignoredPatterns[i++] = p; |
| } |
| } |
| |
| public boolean service(HttpServletRequest request, HttpServletResponse response, HttpServletRequestHandler handler) |
| throws IOException |
| { |
| // The servlet path should be "/", and path info is everything after that. |
| |
| String path = request.getServletPath(); |
| String pathInfo = request.getPathInfo(); |
| |
| if (pathInfo != null) path += pathInfo; |
| |
| |
| for (Pattern p : ignoredPatterns) |
| { |
| if (p.matcher(path).matches()) return false; |
| } |
| |
| // Not a match, so let it go. |
| |
| return handler.service(request, response); |
| } |
| } |