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package Log::Log4perl::Config::PropertyConfigurator;
use Log::Log4perl::Config::BaseConfigurator;
use warnings;
use strict;
our @ISA = qw(Log::Log4perl::Config::BaseConfigurator);
our %NOT_A_MULT_VALUE = map { $_ => 1 }
qw(conversionpattern);
#poor man's export
*eval_if_perl = \&Log::Log4perl::Config::eval_if_perl;
*compile_if_perl = \&Log::Log4perl::Config::compile_if_perl;
*unlog4j = \&Log::Log4perl::Config::unlog4j;
use constant _INTERNAL_DEBUG => 0;
our $COMMENT_REGEX = qr/[#;!]/;
################################################
sub parse {
################################################
my($self, $newtext) = @_;
$self->text($newtext) if defined $newtext;
my $text = $self->{text};
die "Config parser has nothing to parse" unless defined $text;
my $data = {};
my %var_subst = ();
while (@$text) {
local $_ = shift @$text;
s/^\s*$COMMENT_REGEX.*//;
next unless /\S/;
my @parts = ();
while (/(.+?)\\\s*$/) {
my $prev = $1;
my $next = shift(@$text);
$next =~ s/^ +//g; #leading spaces
$next =~ s/^$COMMENT_REGEX.*//;
$_ = $prev. $next;
chomp;
}
if(my($key, $val) = /(\S+?)\s*=\s*(.*)/) {
my $key_org = $key;
$val =~ s/\s+$//;
# Everything could potentially be a variable assignment
$var_subst{$key} = $val;
# Substitute any variables
$val =~ s/\$\{(.*?)\}/
Log::Log4perl::Config::var_subst($1, \%var_subst)/gex;
$key = unlog4j($key);
my $how_deep = 0;
my $ptr = $data;
for my $part (split /\.|::/, $key) {
push @parts, $part;
$ptr->{$part} = {} unless exists $ptr->{$part};
$ptr = $ptr->{$part};
++$how_deep;
}
#here's where we deal with turning multiple values like this:
# log4j.appender.jabbender.to = him@a.jabber.server
# log4j.appender.jabbender.to = her@a.jabber.server
#into an arrayref like this:
#to => { value =>
# ["him\@a.jabber.server", "her\@a.jabber.server"] },
#
# This only is allowed for properties of appenders
# not listed in %NOT_A_MULT_VALUE (see top of file).
if (exists $ptr->{value} &&
$how_deep > 2 &&
defined $parts[0] && lc($parts[0]) eq "appender" &&
defined $parts[2] && ! exists $NOT_A_MULT_VALUE{lc($parts[2])}
) {
if (ref ($ptr->{value}) ne 'ARRAY') {
my $temp = $ptr->{value};
$ptr->{value} = [];
push (@{$ptr->{value}}, $temp);
}
push (@{$ptr->{value}}, $val);
}else{
if(defined $ptr->{value}) {
if(! $Log::Log4perl::Logger::NO_STRICT) {
die "$key_org redefined";
}
}
$ptr->{value} = $val;
}
}
}
$self->{data} = $data;
return $data;
}
################################################
sub value {
################################################
my($self, $path) = @_;
$path = unlog4j($path);
my @p = split /::/, $path;
my $found = 0;
my $r = $self->{data};
while (my $n = shift @p) {
if (exists $r->{$n}) {
$r = $r->{$n};
$found = 1;
} else {
$found = 0;
}
}
if($found and exists $r->{value}) {
return $r->{value};
} else {
return undef;
}
}
1;
__END__
=encoding utf8
=head1 NAME
Log::Log4perl::Config::PropertyConfigurator - reads properties file
=head1 SYNOPSIS
# This class is used internally by Log::Log4perl
use Log::Log4perl::Config::PropertyConfigurator;
my $conf = Log::Log4perl::Config::PropertyConfigurator->new();
$conf->file("l4p.conf");
$conf->parse(); # will die() on error
my $value = $conf->value("log4perl.appender.LOGFILE.filename");
if(defined $value) {
printf("The appender's file name is $value\n");
} else {
printf("The appender's file name is not defined.\n");
}
=head1 DESCRIPTION
Initializes log4perl from a properties file, stuff like
log4j.category.a.b.c.d = WARN, A1
log4j.category.a.b = INFO, A1
It also understands variable substitution, the following
configuration is equivalent to the previous one:
settings = WARN, A1
log4j.category.a.b.c.d = ${settings}
log4j.category.a.b = INFO, A1
=head1 SEE ALSO
Log::Log4perl::Config
Log::Log4perl::Config::BaseConfigurator
Log::Log4perl::Config::DOMConfigurator
Log::Log4perl::Config::LDAPConfigurator (tbd!)
=head1 LICENSE
Copyright 2002-2013 by Mike Schilli E<lt>m@perlmeister.comE<gt>
and Kevin Goess E<lt>cpan@goess.orgE<gt>.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 AUTHOR
Please contribute patches to the project on Github:
http://github.com/mschilli/log4perl
Send bug reports or requests for enhancements to the authors via our
MAILING LIST (questions, bug reports, suggestions/patches):
log4perl-devel@lists.sourceforge.net
Authors (please contact them via the list above, not directly):
Mike Schilli <m@perlmeister.com>,
Kevin Goess <cpan@goess.org>
Contributors (in alphabetical order):
Ateeq Altaf, Cory Bennett, Jens Berthold, Jeremy Bopp, Hutton
Davidson, Chris R. Donnelly, Matisse Enzer, Hugh Esco, Anthony
Foiani, James FitzGibbon, Carl Franks, Dennis Gregorovic, Andy
Grundman, Paul Harrington, Alexander Hartmaier David Hull,
Robert Jacobson, Jason Kohles, Jeff Macdonald, Markus Peter,
Brett Rann, Peter Rabbitson, Erik Selberg, Aaron Straup Cope,
Lars Thegler, David Viner, Mac Yang.
Mini Shell