01: /*
02: * $Id: ActionController.java 471754 2006-11-06 14:55:09Z husted $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21:
22: package org.apache.struts.tiles;
23:
24: import java.io.IOException;
25:
26: import javax.servlet.ServletContext;
27: import javax.servlet.ServletException;
28: import javax.servlet.http.HttpServletRequest;
29: import javax.servlet.http.HttpServletResponse;
30:
31: import org.apache.struts.action.Action;
32:
33: /**
34: * Struts wrapper implementation of Controller. This implementation wraps an
35: * <code>Action</code> in a <code>Controller</code>.
36: */
37: public class ActionController implements Controller {
38:
39: /**
40: * Struts action wrapped.
41: */
42: private Action action = null;
43:
44: /**
45: * Constructor.
46: *
47: * @param action Action to be wrapped.
48: */
49: public ActionController(Action action) {
50: this .action = action;
51: }
52:
53: /**
54: * Method associated to a tile and called immediately before tile is
55: * included. This implementation calls a Struts Action. No servlet is
56: * set by this method.
57: *
58: * @param tileContext Current tile context.
59: * @param request Current request.
60: * @param response Current response.
61: * @param servletContext Current servlet context.
62: */
63: public void perform(ComponentContext tileContext,
64: HttpServletRequest request, HttpServletResponse response,
65: ServletContext servletContext) throws ServletException,
66: IOException {
67:
68: try {
69: action.execute(null, null, request, response);
70:
71: } catch (Exception e) {
72: throw new ServletException(e);
73: }
74: }
75:
76: /**
77: * @see org.apache.struts.tiles.Controller#execute(org.apache.struts.tiles.ComponentContext, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)
78: */
79: public void execute(ComponentContext tileContext,
80: HttpServletRequest request, HttpServletResponse response,
81: ServletContext servletContext) throws Exception {
82:
83: this.action.execute(null, null, request, response);
84:
85: }
86: }
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