1 /*
2 * Copyright 2004-2009 the Seasar Foundation and the Others.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13 * either express or implied. See the License for the specific language
14 * governing permissions and limitations under the License.
15 */
16 package org.seasar.cubby.action;
17
18 import static org.seasar.cubby.CubbyConstants.ATTR_FILTER_CHAIN;
19 import static org.seasar.cubby.internal.util.RequestUtils.getAttribute;
20
21 import javax.servlet.FilterChain;
22 import javax.servlet.http.HttpServletRequest;
23 import javax.servlet.http.HttpServletResponse;
24
25 /**
26 * フィルターチェーンを実行する {@link ActionResult} です。
27 *
28 * @author baba
29 */
30 public class PassThrough implements ActionResult {
31
32 /**
33 * {@inheritDoc}
34 *
35 * @see FilterChain#doFilter(javax.servlet.ServletRequest,
36 * javax.servlet.ServletResponse)
37 */
38 public void execute(final ActionContext actionContext,
39 final HttpServletRequest request, final HttpServletResponse response)
40 throws Exception {
41 final FilterChain filterChain = getAttribute(request, ATTR_FILTER_CHAIN);
42 if (filterChain == null) {
43 throw new NullPointerException("filterChain");
44 }
45 filterChain.doFilter(request, response);
46 }
47
48 }