Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DispatchingFilter |
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1 | /* | |
2 | * Copyright (c) 2003-2011, Simon Brown | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions are met: | |
7 | * | |
8 | * - Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * | |
11 | * - Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in | |
13 | * the documentation and/or other materials provided with the | |
14 | * distribution. | |
15 | * | |
16 | * - Neither the name of Pebble nor the names of its contributors may | |
17 | * be used to endorse or promote products derived from this software | |
18 | * without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
21 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
30 | * POSSIBILITY OF SUCH DAMAGE. | |
31 | */ | |
32 | package net.sourceforge.pebble.web.filter; | |
33 | ||
34 | import net.sourceforge.pebble.Constants; | |
35 | import org.apache.commons.logging.Log; | |
36 | import org.apache.commons.logging.LogFactory; | |
37 | ||
38 | import javax.servlet.*; | |
39 | import java.io.IOException; | |
40 | ||
41 | /** | |
42 | * A filter that dispatches to the internal URI. | |
43 | * | |
44 | * @author Simon Brown | |
45 | */ | |
46 | 4 | public class DispatchingFilter implements Filter { |
47 | ||
48 | /** the log used by this class */ | |
49 | 4 | private static Log log = LogFactory.getLog(DispatchingFilter.class); |
50 | ||
51 | /** the config of this filter */ | |
52 | private FilterConfig filterConfig; | |
53 | ||
54 | /** | |
55 | * Initialises this instance. | |
56 | * | |
57 | * @param config a FilterConfig instance | |
58 | */ | |
59 | public void init(FilterConfig config) { | |
60 | 4 | this.filterConfig = config; |
61 | 4 | } |
62 | ||
63 | /** | |
64 | * Called when this filter is taken out of service. | |
65 | */ | |
66 | public void destroy() { | |
67 | 4 | } |
68 | ||
69 | /** | |
70 | * Contains the processing associated with this filter. | |
71 | */ | |
72 | public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) | |
73 | throws ServletException, IOException { | |
74 | ||
75 | 4 | String uri = (String)request.getAttribute(Constants.INTERNAL_URI); |
76 | ||
77 | try { | |
78 | 4 | log.trace("Dispatching to " + uri); |
79 | 4 | RequestDispatcher dispatcher = request.getRequestDispatcher(uri); |
80 | 4 | dispatcher.forward(request, response); |
81 | 0 | } catch (Exception e) { |
82 | 0 | throw new ServletException(e); |
83 | 4 | } |
84 | 4 | } |
85 | ||
86 | } |