01: /***************************************************************
02: * This file is part of the [fleXive](R) project.
03: *
04: * Copyright (c) 1999-2007
05: * UCS - unique computing solutions gmbh (http://www.ucs.at)
06: * All rights reserved
07: *
08: * The [fleXive](R) project is free software; you can redistribute
09: * it and/or modify it under the terms of the GNU General Public
10: * License as published by the Free Software Foundation;
11: * either version 2 of the License, or (at your option) any
12: * later version.
13: *
14: * The GNU General Public License can be found at
15: * http://www.gnu.org/copyleft/gpl.html.
16: * A copy is found in the textfile GPL.txt and important notices to the
17: * license from the author are found in LICENSE.txt distributed with
18: * these libraries.
19: *
20: * This library is distributed in the hope that it will be useful,
21: * but WITHOUT ANY WARRANTY; without even the implied warranty of
22: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23: * GNU General Public License for more details.
24: *
25: * For further information about UCS - unique computing solutions gmbh,
26: * please see the company website: http://www.ucs.at
27: *
28: * For further information about [fleXive](R), please see the
29: * project website: http://www.flexive.org
30: *
31: *
32: * This copyright notice MUST APPEAR in all copies of the file!
33: ***************************************************************/package com.flexive.faces;
34:
35: import javax.faces.context.FacesContext;
36: import javax.servlet.http.HttpServletRequest;
37: import java.util.regex.MatchResult;
38:
39: /**
40: * A wrapper class that represents a (possible) match of an URI mapper on a
41: * specific URI.
42: *
43: * @author Daniel Lichtenberger (daniel.lichtenberger@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
44: * @version $Rev: 1 $
45: */
46: public class URIMatcher {
47:
48: protected final URIRoute route;
49: protected final String uri;
50: protected final MatchResult matchResult;
51:
52: URIMatcher(URIRoute route, String uri, MatchResult matchResult) {
53: this .route = route;
54: this .uri = uri;
55: this .matchResult = matchResult;
56: }
57:
58: /**
59: * Apply the route on this matched URI, returning the final page to be displayed
60: * (usually the route target).
61: *
62: * @param context the current faces context
63: * @return the final page to be displayed.
64: */
65: public String apply(FacesContext context) {
66: final HttpServletRequest request = (HttpServletRequest) context
67: .getExternalContext().getRequest();
68: request.setAttribute(ContentURIMatcher.REQUEST_ORIG_URI,
69: request.getRequestURI());
70: request.setAttribute(ContentURIMatcher.REQUEST_MAPPED_URI,
71: route.getTarget());
72: return route.getTarget();
73: }
74:
75: public URIRoute getMapper() {
76: return route;
77: }
78:
79: public String getUri() {
80: return uri;
81: }
82:
83: public MatchResult getMatchResult() {
84: return matchResult;
85: }
86:
87: public String getParameter(String parameterName) {
88: return matchResult.group(route.getPosition(parameterName));
89: }
90:
91: public boolean isMatched() {
92: try {
93: matchResult.start();
94: return true;
95: } catch (IllegalStateException e) {
96: return false;
97: }
98: }
99: }
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