content: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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 com.alibaba.otter.manager.web.webx.valve.auth.url;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.oro.text.regex.PatternMatcher;
  import org.apache.oro.text.regex.Perl5Matcher;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * 基于url匹配的实现
   * 
   * @author jianghang 2011-11-11 下午12:41:30
   * @version 4.0.0
   */
  public class URLProtectedImpl implements URLProtected {
  
      private static final Logger    logger           = LoggerFactory.getLogger(URLProtectedImpl.class);
      private List<URLPatternHolder> urlProtectedList = new ArrayList<URLPatternHolder>();
  
      public URLProtectedImpl(){
      }
  
      public URLProtectedImpl(List<URLPatternHolder> urlProtectedList){
          this.urlProtectedList = urlProtectedList;
      }
  
      public boolean check(String requestUrl) {
          if (StringUtils.isBlank(requestUrl)) {
              return false;
          }
  
          if (logger.isDebugEnabled()) {
              logger.debug("Converted URL to lowercase, from: '" + requestUrl + "'; to: '" + requestUrl + "'");
          }
  
          PatternMatcher matcher = new Perl5Matcher();
  
          Iterator<URLPatternHolder> iter = urlProtectedList.iterator();
  
          while (iter.hasNext()) {
              URLPatternHolder holder = (URLPatternHolder) iter.next();
  
              if (matcher.matches(requestUrl, holder.getCompiledPattern())) {
                  if (logger.isDebugEnabled()) {
                      logger.debug("Candidate is: '" + requestUrl + "'; pattern is "
                                   + holder.getCompiledPattern().getPattern() + "; matched=true");
                  }
                  return true;
              }
          }
          return false;
      }
  
      public List<URLPatternHolder> getUrlProtectedList() {
          return urlProtectedList;
      }
  
      public void setUrlProtectedList(List<URLPatternHolder> urlProtectedList) {
          this.urlProtectedList = urlProtectedList;
      }
  
      public void addUrlProtected(URLPatternHolder urlProtected) {
          this.urlProtectedList.add(urlProtected);
      }
  
  }
  