1: <?php
2:
3: /**
4: * Picon Framework
5: * http://code.google.com/p/picon-framework/
6: *
7: * Copyright (C) 2011-2012 Martin Cassidy <martin.cassidy@webquub.com>
8:
9: * Picon Framework is free software: you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation, either version 3 of the License, or
12: * (at your option) any later version.
13:
14: * Picon Framework is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: * General Public License for more details.
18:
19: * You should have received a copy of the GNU General Public License
20: * along with Picon Framework. If not, see <http://www.gnu.org/licenses/>.
21: * */
22:
23: namespace picon;
24:
25: /**
26: * Collection of resolvers that work as one
27: *
28: * @author Martin Cassidy
29: * @package web/request/resolver
30: */
31: class RequestResolverCollection implements RequestResolver
32: {
33: private $resolvers = array();
34:
35: public function __construct()
36: {
37: $this->add(new PageRequestResolver());
38: $this->add(new PageInstanceRequestResolver());
39: $this->add(new ListenerRequestResolver());
40: $this->add(new ResourceRequestResolver);
41: }
42:
43: public function add(RequestResolver $resolver)
44: {
45: array_push($this->resolvers, $resolver);
46: }
47:
48: public function matches(Request $request)
49: {
50: foreach($this->resolvers as $resolver)
51: {
52: if($resolver->matches($request))
53: {
54: return true;
55: }
56: }
57:
58: return false;
59: }
60:
61: /**
62: *
63: * @param Request $request
64: * @return RequestTarget the target that matches the request, null if none did
65: */
66: public function resolve(Request $request)
67: {
68: foreach($this->resolvers as $resolver)
69: {
70: if($resolver->matches($request))
71: {
72: return $resolver->resolve($request);
73: }
74: }
75:
76: return null;
77: }
78:
79: public function generateUrl(RequestTarget $target)
80: {
81: foreach($this->resolvers as $resolver)
82: {
83: if($resolver->handles($target))
84: {
85: $url = $resolver->generateUrl($target);
86: if(!empty($url))
87: {
88: return $url;
89: }
90: }
91: }
92:
93: return null;
94: }
95:
96: public function handles(RequestTarget $target)
97: {
98: foreach($this->resolvers as $resolver)
99: {
100: if($resolver->handles($target))
101: {
102: return true;
103: }
104: }
105: return false;
106: }
107: }
108:
109: ?>
110: