Mercurial > pub > Impl
view Lib/IMPL/Exception.pm @ 250:129e48bb5afb
DOM refactoring
ObjectToDOM methods are virtual
QueryToDOM uses inflators
Fixed transform for the complex values in the ObjectToDOM
QueryToDOM doesn't allow to use complex values (HASHes) as values for nodes (overpost problem)
author | sergey |
---|---|
date | Wed, 07 Nov 2012 04:17:53 +0400 |
parents | 5c82eec23bb6 |
children | 4ddb27ff4a0b |
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package IMPL::Exception; use strict; use overload '""' => \&ToString, 'fallback' => 1; use Carp qw(longmess shortmess); use Scalar::Util qw(refaddr); BEGIN { require Error; } use parent qw(IMPL::Object::Abstract Error Class::Accessor); require IMPL::Class::Property::Accessor; BEGIN { __PACKAGE__->mk_accessors( qw(Message Args CallStack Source) ); } sub indent { my ($str,$level) = @_; $level ||= 0; $str = '' unless defined $str; join ("\n", map( " "x$level.$_ , split(/\n/,$str) ) ); } sub new { my $class = shift; $class = ref $class || $class; my $this = $class->Error::new() or die "Failed to create an exception"; $this->callCTOR(@_); $this->{-text} = $this->Message; local $Carp::CarpLevel = 0; $this->CallStack(longmess); $this->Source(shortmess); return $this; } sub CTOR { my ($this,$message,@args) = @_; $this->Message($message || ''); die new IMPL::Exception("Fatal erorr: cyclic structure in the exceptions were detected, do not use \$\@ while throwing the exception!") if grep ref $_ ? refaddr($this) == refaddr($_) : 0 , @args; $this->Args([map defined $_ ? $_ : 'undef', @args]); } sub save { my ($this,$ctx) = @_; $ctx->AddVar(Message => $this->Message) if $this->Message; $ctx->AddVar(Args => $this->Args) if @{$this->Args}; $ctx->AddVar(Source => $this->Source); $ctx->AddVar(CallStack => $this->CallStack); } sub restore { my ($class,$data,$instance) = @_; my %args = @$data; if ($instance) { $instance->callCTOR($args{Message},@{$args{Args}}); } else { $instance = $class->new($args{Message},@{$args{Args}}); } $instance->Source($args{Source}); $instance->CallStack($args{CallStack}); return $instance; } sub ToString { my $this = shift; $this->toString(); } sub toString { my ($this,$notrace) = @_; ($this->Message || ref $this) . join("\n",'',map { my $s = $_; local $_; indent("$s",1) } @{$this->Args} ) . ( $notrace ? '' : "\n" . $this->CallStack); } sub _PropertyImplementor { 'IMPL::Class::Property::Accessor' } package IMPL::InvalidOperationException; our @ISA = qw(IMPL::Exception); __PACKAGE__->PassThroughArgs; package IMPL::InvalidArgumentException; our @ISA = qw(IMPL::Exception); our %CTOR = ( 'IMPL::Exception' => sub { "An invalid argument", @_ } ); package IMPL::DuplicateException; our @ISA = qw(IMPL::Exception); __PACKAGE__->PassThroughArgs; package IMPL::KeyNotFoundException; our @ISA = qw(IMPL::Exception); __PACKAGE__->PassThroughArgs; our %CTOR = ( 'IMPL::Exception' => sub { "A specified element isn't found", $_[0] } ); package IMPL::NotImplementedException; our @ISA = qw(IMPL::Exception); __PACKAGE__->PassThroughArgs; package IMPL::SecurityException; our @ISA = qw(IMPL::Exception); __PACKAGE__->PassThroughArgs; package IMPL::AccessDeniedException; our @ISA = qw(IMPL::SecurityException); our %CTOR = ( 'IMPL::SecurityException' => sub { 'Access denied' ,@_ } ); package Exception; our @ISA = qw(IMPL::Exception); __PACKAGE__->PassThroughArgs; package IMPL::DeprecatedException; our @ISA = qw(IMPL::Exception); our %CTOR = ( 'IMPL::Exception' => sub { @_ ? @_ : "The method is deprecated" } ); package IMPL::WrongDataException; our @ISA = qw(IMPL::Exception); our %CTOR = ( 'IMPL::Exception' => sub { "The input data is wrong", @_ } ); package IMPL::IOException; our @ISA = qw(IMPL::Exception); __PACKAGE__->PassThroughArgs; 1;