Mercurial > pub > Impl

annotate Lib/IMPL/Web/Handler/ErrorHandler.pm @ 387:4cc6cc370fb2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
DOM refactoring
author sergey
date Tue, 11 Feb 2014 01:13:47 +0400
parents feeb3bc4a818
children 69a1f1508696
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
1 package IMPL::Web::Handler::ErrorHandler;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
2 use strict;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
3
233
3cebcf6fdb9b refactoring, cleaning code
sergey
parents: 230
diff changeset
4 use IMPL::Const qw(:prop);
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
5 use IMPL::Exception();
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
6 use IMPL::declare {
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
7 require => {
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
8 WebException => 'IMPL::Web::Exception',
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
9 ArgumentException => '-IMPL::InvalidArgumentException',
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
10 IOException => '-IMPL::IOException',
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
11 HttpResponse => 'IMPL::Web::HttpResponse'
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
12 },
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
13 base => {
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
14 'IMPL::Object' => undef,
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
15 'IMPL::Object::Autofill' => '@_',
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
16 'IMPL::Object::Serializable' => undef
233
3cebcf6fdb9b refactoring, cleaning code
sergey
parents: 230
diff changeset
17 },
3cebcf6fdb9b refactoring, cleaning code
sergey
parents: 230
diff changeset
18 props => [
3cebcf6fdb9b refactoring, cleaning code
sergey
parents: 230
diff changeset
19 errors => PROP_RW,
353
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
20 view => PROP_RW,
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
21 layout => PROP_RW,
233
3cebcf6fdb9b refactoring, cleaning code
sergey
parents: 230
diff changeset
22 fallback => PROP_RW,
3cebcf6fdb9b refactoring, cleaning code
sergey
parents: 230
diff changeset
23 contentType => PROP_RW
3cebcf6fdb9b refactoring, cleaning code
sergey
parents: 230
diff changeset
24 ]
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
25 };
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
26
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
27 sub CTOR {
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
28 my ($this) = @_;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
29
353
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
30 die ArgumentException->new("view") unless $this->view;
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
31 die ArgumentException->new("fallback") unless $this->fallback;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
32
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
33 $this->errors({}) unless $this->errors;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
34
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
35 }
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
36
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
37 sub Invoke {
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
38 my ($this,$action,$next) = @_;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
39
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
40 undef $@;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
41 my $result;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
42 eval {
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
43 $result = $next ? $next->($action) : undef;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
44 };
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
45
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
46 if (my $err = $@) {
256
32aceba4ee6d corrected ViewHandlers to handle cookies and headers.
sergey
parents: 233
diff changeset
47
353
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
48 warn "error handler: $err";
256
32aceba4ee6d corrected ViewHandlers to handle cookies and headers.
sergey
parents: 233
diff changeset
49
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
50 my $vars = {
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
51 error => $err
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
52 };
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
53
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
54 my $status = "500 Internal Server Error";
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
55
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
56 if (eval { $err->isa(WebException) }) {
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
57 $status = $err->status;
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
58 }
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
59
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
60 my ($code) = ($status =~ m/^(\d+)/);
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
61
353
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
62 my $text = $this->view->display(
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
63 $err,
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
64 $this->errors->{$code} || $this->fallback,
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
65 {
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
66 layout => $this->layout
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
67 }
feeb3bc4a818 corrected error handling while loading templates
cin
parents: 256
diff changeset
68 );
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
69
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
70 $result = HttpResponse->new(
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
71 status => $status,
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
72 type => $this->contentType,
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
73 charset => 'utf-8',
230
6d8092d8ce1b *reworked IMPL::Security
sergey
parents: 229
diff changeset
74 headers => eval{ $err->headers } || {},
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
75 body => $text
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
76 );
206
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
77 }
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
78
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
79 return $result;
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
80 }
c8fe3f84feba +IMPL::Web::Handlers::ViewSelector
sergey
parents:
diff changeset
81
213
sergey
parents: 208
diff changeset
82 1;
sergey
parents: 208
diff changeset
83
sergey
parents: 208
diff changeset
84 __END__
sergey
parents: 208
diff changeset
85
sergey
parents: 208
diff changeset
86 =pod
sergey
parents: 208
diff changeset
87
sergey
parents: 208
diff changeset
88 =head1 NAME
sergey
parents: 208
diff changeset
89
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
90 C<IMPL::Web::Handler::ErrorHandler> - обертка для обработки исключений.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
91
213
sergey
parents: 208
diff changeset
92 =head1 SYNOPSIS
sergey
parents: 208
diff changeset
93
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
94 Используется в цеопчке обработчиков приложения.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
95
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
96 =begin code xml
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
97
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
98 <handlers type="ARRAY">
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
99 <item type="IMPL::Web::Handler::ErrorHandler">
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
100 <contentType>text/html</contentType>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
101 <loader refid="tt-loader"/>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
102 <errors type="HASH">
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
103 <error extname="500">errors/500</error>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
104 <error extname="404">errors/404</error>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
105 <error extname="403">errors/403</error>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
106 </errors>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
107 <fallback>errors/500</fallback>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
108 </item>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
109 </handlers>
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
110
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
111 =end code xml
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
112
213
sergey
parents: 208
diff changeset
113 =head1 DESCRIPTION
sergey
parents: 208
diff changeset
114
229
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
115 Позволяет создать представление для ресурса в случае ошибки, для этого
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
116 используется соответствие представлений и кодов ошибок.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
117
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
118 В результате обработчик либо прозрачно передает результат вышестоящего
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
119 обработчика нижестоящему, либо создает C<IMPL::Web::HttpResponse> с
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
120 соответствующим статусом и содержанием.
47f77e6409f7 heavily reworked the resource model of the web application:
sergey
parents: 213
diff changeset
121
213
sergey
parents: 208
diff changeset
122 =cut