| /** |
| * Copyright (C) 2006 Google Inc. |
| * |
| * 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.google.inject.servlet; |
| |
| import com.google.inject.AbstractModule; |
| import com.google.inject.Factory; |
| import com.google.inject.TypeLiteral; |
| import static com.google.inject.servlet.ServletScopes.REQUEST; |
| import static com.google.inject.servlet.ServletScopes.SESSION; |
| |
| import java.util.Map; |
| |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.http.HttpSession; |
| |
| /** |
| * Configures the servlet scopes and creates bindings for the servlet API |
| * objects so you can inject the request, response, session, etc. |
| * |
| * @author crazybob@google.com (Bob Lee) |
| */ |
| public class ServletModule extends AbstractModule { |
| |
| protected void configure() { |
| // Scopes. |
| scope(RequestScoped.class, REQUEST); |
| scope(SessionScoped.class, SESSION); |
| |
| // Bind request. |
| Factory<HttpServletRequest> requestFactory = |
| new Factory<HttpServletRequest>() { |
| public HttpServletRequest get() { |
| return GuiceFilter.getRequest(); |
| } |
| |
| public String toString() { |
| return "RequestFactory"; |
| } |
| }; |
| bind(HttpServletRequest.class).to(requestFactory); |
| bind(ServletRequest.class).to(requestFactory); |
| |
| // Bind response. |
| Factory<HttpServletResponse> responseFactory = |
| new Factory<HttpServletResponse>() { |
| public HttpServletResponse get() { |
| return GuiceFilter.getResponse(); |
| } |
| |
| public String toString() { |
| return "ResponseFactory"; |
| } |
| }; |
| bind(HttpServletResponse.class).to(responseFactory); |
| bind(ServletResponse.class).to(responseFactory); |
| |
| // Bind session. |
| bind(HttpSession.class).to(new Factory<HttpSession>() { |
| public HttpSession get() { |
| return GuiceFilter.getRequest().getSession(); |
| } |
| |
| public String toString() { |
| return "SessionFactory"; |
| } |
| }); |
| |
| // Bind request parameters. |
| bind(new TypeLiteral<Map<String, String[]>>() {}) |
| .annotatedWith(RequestParameters.class) |
| .to(new Factory<Map<String, String[]>>() { |
| @SuppressWarnings({"unchecked"}) |
| public Map<String, String[]> get() { |
| return GuiceFilter.getRequest().getParameterMap(); |
| } |
| |
| public String toString() { |
| return "RequestParametersFactory"; |
| } |
| }); |
| } |
| } |