File Coverage

blib/lib/Footprintless/Util.pm

Criterion	Covered	Total	%
statement	96	113	84.9
branch	30	46	65.2
condition	5	17	29.4
subroutine	19	21	90.4
pod	15	15	100.0
total	165	212	77.8

use strict;
use warnings;

package Footprintless::Util;
$Footprintless::Util::VERSION = '1.29';
# ABSTRACT: A utility method package for common functionality in Footprintless
# PODNAME: Footprintless::Util

use Carp;
use Exporter qw(import);
use Log::Any;

our @EXPORT_OK = qw(
    agent
    clean
    default_command_runner
    dynamic_module_new
    dumper
    exit_due_to
    extract
    factory
    invalid_entity
    rebase
    slurp
    spurt
    temp_dir
    temp_file
    terse_dumper
);

my $logger = Log::Any->get_logger();
my $extract_impl;

sub agent {
    my (%options) = @_;

    require LWP::UserAgent;
    my $agent = LWP::UserAgent->new();
    $agent->env_proxy();

    $agent->timeout( $options{timeout} )       if ( defined( $options{timeout} ) );
    $agent->cookie_jar( $options{cookie_jar} ) if ( defined( $options{cookie_jar} ) );

    return $agent;
}

sub clean {
    my ( $paths, %options ) = @_;

    if ( $paths && ref($paths) eq 'ARRAY' && scalar(@$paths) ) {
        $logger->debugf( "cleaning %s", $paths );
        my $command_runner = $options{command_runner}
            || default_command_runner();

        my @all_paths =
            $options{rebase}
            ? map { rebase( $_, $options{rebase} ) } @$paths
            : @$paths;
        my @dir_paths = map { ( $_ =~ /\/\s*$/ ) ? $_ : () } @all_paths;

        require Footprintless::Command;
        eval {
            $command_runner->run_or_die(
                Footprintless::Command::batch_command(
                    Footprintless::Command::rm_command(@all_paths),
                    (   @dir_paths
                        ? Footprintless::Command::mkdir_command(@dir_paths)
                        : ()
                    ),
                    $options{command_options}
                )
            );
        };
        if ($@) {
            $logger->errorf( 'clean failed: %s', $@ );
            croak($@);
        }
    }
}

sub default_command_runner {
    require Footprintless::CommandRunner::IPCRun;
    return Footprintless::CommandRunner::IPCRun->new(@_);
}

sub dumper {
    require Data::Dumper;
    return Data::Dumper->new( \@_ )->Indent(1)->Sortkeys(1)->Dump();
}

sub dynamic_module_new {
    my ( $module, @args ) = @_;
    my $module_path = $module;
    $module_path =~ s/::/\//g;
    require "$module_path.pm";    ## no critic
    return $module->new(@args);
}

sub exit_due_to {
    my ( $dollar_at, $verbose ) = @_;
    if ( ref($dollar_at)
        && $dollar_at->isa('Footprintless::CommandRunner::ExecutionException') )
    {
        $dollar_at->exit($verbose);
    }
    else {
        print( STDERR "$dollar_at\n" );
        exit 255;
    }
}

sub extract {
    my ( $archive, %options ) = @_;

    my @to = $options{to} ? ( to => $options{to} ) : ();
    my @type_option = ();
    if ( $options{type} ) {
        push( @type_option, type => $options{type} );
    }
    elsif ( $archive =~ /\.war|\.jar|\.ear|\.twbx$/ ) {

        # other known zip type extensions
        push( @type_option, type => 'zip' );
    }

    return _new_extract( archive => $archive, @type_option )->extract(@to)
        || croak("unable to extract $archive: $!");
}

sub factory {
    my ( $entities, @options ) = @_;

    if ( ref($entities) eq 'HASH' ) {
        require Config::Entities;
        $entities = Config::Entities->new( { entity => $entities } );
    }

    my $factory;
    my $factory_module = $entities->get_entity('footprintless.factory');
    if ( $entities->get_entity('footprintless.factory') ) {
        $factory = dynamic_module_new( $factory_module, $entities, @options );
    }
    else {
        require Footprintless::Factory;
        $factory = Footprintless::Factory->new( $entities, @options );
    }

    return $factory;
}

sub invalid_entity {
    my ( $coordinate, $message ) = @_;

    require Footprintless::InvalidEntityException;
    die(Footprintless::InvalidEntityException->new(
            $coordinate, $message || "$coordinate required"
        )
    );
}

sub _new_extract {
    my (@args) = @_;

    unless ($extract_impl) {
        eval {
            require Archive::Extract::Libarchive;
            $extract_impl = 'Archive::Extract::Libarchive';
        };
    }
    unless ($extract_impl) {
        eval {
            require Archive::Extract;
            $extract_impl = 'Archive::Extract';
        };
    }
    unless ($extract_impl) {
        require Footprintless::Extract;
        $extract_impl = 'Footprintless::Extract';
    }

    return $extract_impl->new(@args);
}

sub rebase {
    my ( $path, $rebase ) = @_;

    my $rebased;
    if ( $path =~ /^$rebase->{from}(.*)$/ ) {
        $rebased = "$rebase->{to}$1";
    }
    else {
        croak("invalid rebase $path from $rebase->{from} to $rebase->{to}");
    }

    return $rebased;
}

sub slurp {
    my ($file) = @_;

    # http://www.perl.com/pub/2003/11/21/slurp.html
    return $file
        ? do { local ( @ARGV, $/ ) = $file; <> }
        : do { local $/;  };
}

sub spurt {
    my ( $content, $file, %options ) = @_;
    my $write_mode = $options{append} ? '>>' : '>';
    open( my $handle, $write_mode, $file )
        || croak("unable to open [$file]: $!");
    print( $handle $content );
    close($handle);
}

sub temp_dir {
    require File::Temp;
    my $temp = File::Temp->newdir( 'fpl_XXXXXXXX', TMPDIR => 1 );
    if ( !chmod( 0700, $temp ) ) {
        croak("unable to create secure temp file");
    }
    return $temp;
}

sub temp_file {
    my (%options) = @_;
    require File::Temp;
    my $temp = File::Temp->new(
        'fpl_XXXXXXXX',
        TMPDIR => 1,
        ( $options{suffix} ? ( SUFFIX => $options{suffix} ) : () )
    );
    if ( !chmod( 0600, $temp ) ) {
        croak("unable to create secure temp file");
    }
    return $temp;
}

sub terse_dumper {
    Data::Dumper->new( \@_ )->Indent(1)->Sortkeys(1)->Terse(1)->Dump();
}

1;

__END__