| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.myfaces.util; |
| |
| import org.apache.myfaces.util.lang.StringUtils; |
| |
| public class UrlPatternMatcher |
| { |
| /** |
| * NOTE: Taken from org.apache.catalina.deploy.SecurityConstraint |
| * |
| * Does the specified request path match the specified URL pattern? |
| * This method follows the same rules (in the same order) as those used |
| * for mapping requests to servlets. |
| * |
| * @param path Context-relative request path to be checked |
| * (must start with '/') |
| * @param pattern URL pattern to be compared against |
| */ |
| public static boolean match(String path, String pattern) |
| { |
| // Normalize the argument strings |
| if (StringUtils.isEmpty(path)) |
| { |
| path = "/"; |
| } |
| if (StringUtils.isEmpty(pattern)) |
| { |
| pattern = "/"; |
| } |
| |
| // Check for exact match |
| if (path.equals(pattern)) |
| { |
| return true; |
| } |
| |
| // Check for path prefix matching |
| if (pattern.startsWith("/") && pattern.endsWith("/*")) |
| { |
| pattern = pattern.substring(0, pattern.length() - 2); |
| if (pattern.length() == 0) |
| { |
| return true; // "/*" is the same as "/" |
| } |
| if (path.endsWith("/")) |
| { |
| path = path.substring(0, path.length() - 1); |
| } |
| while (true) |
| { |
| if (pattern.equals(path)) |
| { |
| return true; |
| } |
| int slash = path.lastIndexOf('/'); |
| if (slash <= 0) |
| { |
| break; |
| } |
| path = path.substring(0, slash); |
| } |
| return false; |
| } |
| |
| // Check for suffix matching |
| if (pattern.startsWith("*.")) |
| { |
| int slash = path.lastIndexOf('/'); |
| int period = path.lastIndexOf('.'); |
| if (slash >= 0 && period > slash && path.endsWith(pattern.substring(1))) |
| { |
| return true; |
| } |
| return false; |
| } |
| |
| // Check for universal mapping |
| if (pattern.equals("/")) |
| { |
| return (true); |
| } |
| |
| return (false); |
| } |
| |
| |
| } |