NAME
    METS::Files - Class for METS files manipulation.

SYNOPSIS
     use METS::Files;
     my $obj = METS::Files->new(
             'mets_data' => $mets_data,
     );
     my @files = $obj->get_use_files($use);
     my @types = $obj->get_use_types;

METHODS
    "new()"
             Constructor.

            *       "mets_data"

                     METS data.
                     Parameter is required.
                     Default value is undef.

    "get_use_files($use)"
             Get "USE" files.
             Returns array with files.

    "get_use_types()"
             Get "USE" types.
             Returns array with types.

ERRORS
     new():
             Parameter 'mets_data' is required.
             From Class::Utils::set_params():
                     Unknown parameter '%s'.

EXAMPLE1
     use strict;
     use warnings;

     use Data::Printer;
     use METS::Files;
     use Perl6::Slurp qw(slurp);

     # Arguments.
     if (@ARGV < 1) {
             print STDERR "Usage: $0 mets_file\n";
             exit 1;
     }
     my $mets_file = $ARGV[0];

     # Get mets data.
     my $mets_data = slurp($mets_file);

     # Object.
     my $obj = METS::Files->new(
             'mets_data' => $mets_data,
     );

     # Get files.
     my $files_hr;
     foreach my $use ($obj->get_use_types) {
             $files_hr->{$use} = [$obj->get_use_files($use)];
     }

     # Dump to output.
     p $files_hr;

     # Output without arguments like:
     # Usage: __SCRIPT__ mets_file

EXAMPLE2
     use strict;
     use warnings;

     use Data::Printer;
     use METS::Files;

     # Example METS data.
     my $mets_data = <<'END';
     <?xml version="1.0" encoding="UTF-8"?>
     <mets xmlns:xlink="http://www.w3.org/TR/xlink">
       <fileSec>
         <fileGrp ID="IMGGRP" USE="Images">
           <file ID="IMG00001" CREATED="2006-06-20T12:00:00" ADMID="IMGPARAM00001" MIMETYPE="image/tiff" SEQ="1" SIZE="5184000" GROUPID="1">
             <FLocat LOCTYPE="URL" xlink:href="file://./003855/003855r.tif" />
           </file>
           <file ID="IMG00002" CREATED="2006-06-20T12:00:00" ADMID="IMGPARAM00002" MIMETYPE="image/tiff" SEQ="2" SIZE="5200228" GROUPID="2">
             <FLocat LOCTYPE="URL" xlink:href="file://./003855/003855v.tif" />
           </file>
         </fileGrp>
         <fileGrp ID="PDFGRP" USE="PDF">
           <file ID="PDF00001" CREATED="2006-06-20T12:00:00" ADMID="IMGPARAM00001" MIMETYPE="text/pdf" SEQ="1" SIZE="251967" GROUPID="1">
             <FLocat LOCTYPE="URL" xlink:href="file://./003855/003855r.pdf" />
           </file>
           <file ID="PDF00002" CREATED="2006-06-20T12:00:00" ADMID="IMGPARAM00002" MIMETYPE="text/pdf" SEQ="2" SIZE="172847" GROUPID="2">
             <FLocat LOCTYPE="URL" xlink:href="file://./003855/003855v.pdf" />
           </file>
         </fileGrp>
       </fileSec>
     </mets>
     END

     # Object.
     my $obj = METS::Files->new(
             'mets_data' => $mets_data,
     );

     # Get files.
     my $files_hr;
     foreach my $use ($obj->get_use_types) {
             $files_hr->{$use} = [$obj->get_use_files($use)];
     }

     # Dump to output.
     p $files_hr;

     # Output:
     # \ {
     #     Images   [
     #         [0] "file://./003855/003855r.tif",
     #         [1] "file://./003855/003855v.tif"
     #     ],
     #     PDF      [
     #         [0] "file://./003855/003855r.pdf",
     #         [1] "file://./003855/003855v.pdf"
     #     ]
     # }

DEPENDENCIES
    Class::Utils, Error::Pure, METS::Parse::Simple, Readonly.

REPOSITORY
    <https://github.com/michal-josef-spacek/METS-Files>

AUTHOR
    Michal Josef Špaček <mailto:skim@cpan.org>

    <http://skim.cz>

LICENSE AND COPYRIGHT
     © Michal Josef Špaček 2015-2020
     BSD 2-Clause License

VERSION
    0.01

