/*
    * 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.shared.webapp.webxml;
  
  public class ServletMapping
  {
      private final String _servletName;
      private final Class _servletClass;
      private final String _urlPattern;
      private final String _extension;
      private final String _prefix;
  
      public ServletMapping(String servletName, Class servletClass, String urlPattern)
      {
          _servletName = servletName;
          _servletClass = servletClass;
          _urlPattern = urlPattern;
          _extension = _urlPattern != null && _urlPattern.startsWith("*.") ? _urlPattern.substring(_urlPattern
                  .indexOf('.')) : null;
          if (_extension == null)
          {
              int index = _urlPattern.indexOf("/*");
              if (index != -1)
              {
                  _prefix = _urlPattern.substring(0, _urlPattern.indexOf("/*"));
              }
              else
              {
                  _prefix = _urlPattern;
              }
          }
          else
          {
              _prefix = null;
          }
      }
  
      public boolean isExtensionMapping()
      {
          return _extension != null;
      }
  
      public String getExtension()
      {
          return _extension;
      }
  
      public String getPrefix()
      {
          return _prefix;
      }
  
      public String getServletName()
      {
          return _servletName;
      }
  
      public Class getServletClass()
      {
          return _servletClass;
      }
  
      public String getUrlPattern()
      {
          return _urlPattern;
      }
  }