/[webpac2]/trunk/lib/WebPAC/Common.pm
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revision 29 by dpavlin, Sun Jul 24 11:17:44 2005 UTC revision 632 by dpavlin, Wed Sep 6 17:51:07 2006 UTC
# Line 15  WebPAC::Common - internal methods called Line 15  WebPAC::Common - internal methods called
15    
16  =head1 VERSION  =head1 VERSION
17    
18  Version 0.01  Version 0.02
19    
20  =cut  =cut
21    
22  our $VERSION = '0.01';  our $VERSION = '0.02';
23    
24  =head1 SYNOPSYS  =head1 SYNOPSYS
25    
# Line 143  will be created. If any mode which inher Line 143  will be created. If any mode which inher
143  with C<debug> flag, it will turn logging to debug level.  with C<debug> flag, it will turn logging to debug level.
144    
145  This function will also read C<log_conf> value from current object and try  This function will also read C<log_conf> value from current object and try
146  to read that as configuration file if it exists.  to read that as configuration file if it exists, if it doesn't it will
147    fallback to default C<conf/log.conf>.
148    
149    You can disable all logging by adding C<no_log> to constructor of WebPAC
150    object. Object in C<Test::Exception> class will disable logging
151    automatically.
152    
153  =cut  =cut
154    
# Line 153  sub _init_logger { Line 158  sub _init_logger {
158          $file ||= $self->{'log_conf'};          $file ||= $self->{'log_conf'};
159          $file = 'conf/log.conf';          $file = 'conf/log.conf';
160          my $name = (caller(2))[3] || caller;          my $name = (caller(2))[3] || caller;
161          if ($file) {  
162                  warn "# $name is using $file logger\n" if ($log_debug);          my $conf = q( );
163                  Log::Log4perl->init($file);          if ($self->{'no_log'}) {
164          } else {                  warn "# $name disabled logging\n" if ($log_debug);
165                  my $conf = q( );          } elsif ($self->{'debug'}) {
166                  if ($self->{'debug'}) {                  $conf = << '_log4perl_';
                         $conf = << '_log4perl_';  
167    
168  log4perl.rootLogger=INFO, SCREEN  log4perl.rootLogger=INFO, SCREEN
169    
# Line 170  log4perl.appender.SCREEN.layout=PatternL Line 174  log4perl.appender.SCREEN.layout=PatternL
174  log4perl.appender.SCREEN.layout.ConversionPattern=%d %p> %F{1}:%L %M - %m%n  log4perl.appender.SCREEN.layout.ConversionPattern=%d %p> %F{1}:%L %M - %m%n
175    
176  _log4perl_  _log4perl_
177                          warn "# $name is using debug logger\n" if ($log_debug);                  warn "# $name is using debug logger\n" if ($log_debug);
178                  } else {          } elsif ($name =~ m/Test::Exception/o) {
179                          warn "# $name is using null logger\n" if ($log_debug);                  warn "# disabled logging for Text::Exception\n" if ($log_debug);
180                  }          } elsif (-e $file) {
181                  Log::Log4perl->init( \$conf );                  warn "# $name is using $file logger\n" if ($log_debug);
182                    Log::Log4perl->init($file);
183                    return 1;
184            } else {
185                    warn "# $name is using null logger\n" if ($log_debug);
186          }          }
187            Log::Log4perl->init( \$conf );
188    
189            return 1;
190  }  }
191    
192    
# Line 188  method Line 199  method
199    
200  =cut  =cut
201    
202    my $_logger_seen;
203    
204  sub _get_logger {  sub _get_logger {
205          my $self = shift;          my $self = shift;
206    
207          my $name = (caller(2))[3] || caller;          my $name = (caller(2))[3] || caller;
208          $self->{'_logger_'} ||= $self->_init_logger;          $self->{'_logger_'} ||= $self->_init_logger;
209    
210          warn "# get_logger( $name )\n" if ($log_debug);          my $log = get_logger( $name );
211            warn "# get_logger( $name ) level ", $log->level, "\n" if ($log_debug || !defined($_logger_seen->{$name}));
212          return get_logger($name);          $_logger_seen->{$name}++;
213            return $log;
214  }  }
215    
216    
217    =head2 _log
218    
219    Quick cludge to make logging object available to scripts which
220    use webpac line this:
221    
222      my $log = _new WebPAC::Common()->_get_logger();
223    
224    =cut
225    
226    sub _new {
227            my $class = shift;
228            my $self = {@_};
229            bless($self, $class);
230    
231            $self ? return $self : return undef;
232    }
233    
234  =head1 LOGGING  =head1 LOGGING
235    
236  Logging in WebPAC is performed by L<Log::Log4perl> with config file  Logging in WebPAC is performed by L<Log::Log4perl> with config file
# Line 214  B<This is different from normal Log4perl Line 245  B<This is different from normal Log4perl
245  also use method names, and not only classes (which are just few)  also use method names, and not only classes (which are just few)
246  to filter logging.  to filter logging.
247    
248    =cut
249    
250    1;
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