001// Copyright 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.web; 016 017import java.util.List; 018 019import javax.servlet.http.HttpServlet; 020 021import org.apache.tapestry.describe.DescriptionReceiver; 022 023/** 024 * Adapts {@link javax.servlet.http.HttpServlet} as 025 * {@link org.apache.tapestry.web.WebActivator}. 026 * 027 * @author Howard M. Lewis Ship 028 * @since 4.0 029 */ 030public class HttpServletWebActivator implements WebActivator 031{ 032 private HttpServlet _httpServlet; 033 034 public HttpServletWebActivator(HttpServlet servlet) 035 { 036 _httpServlet = servlet; 037 } 038 039 public String getActivatorName() 040 { 041 return _httpServlet.getServletName(); 042 } 043 044 public List getInitParameterNames() 045 { 046 return WebUtils.toSortedList(_httpServlet.getInitParameterNames()); 047 } 048 049 public String getInitParameterValue(String name) 050 { 051 return _httpServlet.getInitParameter(name); 052 } 053 054 public void describeTo(DescriptionReceiver receiver) 055 { 056 receiver.describeAlternate(_httpServlet); 057 } 058 059}