Metacat

#!/usr/bin/perl

#

#  '$RCSfile: transfer_emldocs_from_metacat1_to_metacat2.pl,v $'

#  Copyright: 2000 Regents of the University of California

#

#   '$Author: sgarg $'

#     '$Date: 2004/04/09 23:12:46 $'

# '$Revision: 1.1 $'

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#

#

# This is a CGI application for inserting metadata documents into

# the Metacat database.  It utilizes the Metacat.pm module for most work.

# You can specify two metacats and a list of documents. This script will

# copy documents from one metacat to another.

use Metacat;

my $metacat1;

my $docid;

my $rev;

my $error = 0;

my $xmldoc;

my $xa;

my $response;

my $listname = "kruger_docids";

my $metacat1_url = "http://dataknp.sanparks.org/sanparks/metacat";

my $username = "uid=judithk,o=SANParks,dc=ecoinformatics,dc=org";

my $password = "xxxxxx";

#my $metacat1_url = "http://fred.msi.ucsb.edu/knb/metacat";

#my $username = "uid=leinfelder,o=NCEAS,dc=ecoinformatics,dc=org";

#my $password = "xxxxxx";

#used for inserting xml in the appropriate location

my $updatedcount = 0;

my $insertionindex;

#my $insertionmarker = "</abstract>";

my $insertionmarker = "</keywordSet>";

my $xmlsnippet = "";

$xmlsnippet .= "<keywordSet>";

#$xmlsnippet .= "<keywordThesaurus>location</keywordThesaurus>";

$xmlsnippet .= "<keyword>SANParks, South Africa</keyword>";

$xmlsnippet .= "<keyword>Kruger National Park, South Africa</keyword>";

$xmlsnippet .= "</keywordSet>";

$metacat1 = Metacat->new();

if ($metacat1) {

    $metacat1->set_options( metacatUrl => $metacat1_url);

} else {

    #die "failed during metacat creation\n";

    print "Failed during metacat1 creation.";

    $error = 1;

}

# Login to metacat

print "Connecting to metacat1..........\n";

my $response1 = $metacat1->login($username, $password);

if (! $response1) {

    print $metacat1->getMessage();

    print "Failed during login: metacat1.\n";

    $error = 2;

} else {

    print "Connected to metacat1\n";

}

if($error == 0){

    open(file,$listname) || die ("Couldn't open the file");

    while(<file>) {

	chomp();

	$docid = $_;

	print "Original docid: $docid\n";

	#get the document

	$xmldoc = $metacat1->read($docid);

	$xa = $xmldoc->content;

	#construct the next docid revision

	#three parts to the docid: scope.id.rev

	@docidparts = split(/\./, $docid);

	$rev = @docidparts[2];

	$rev = $rev + 1;

	print "next rev: $rev\n";

	@docidparts[2] = $rev;

	$docid = join('.', @docidparts);

	print "Revised docid: $docid\n";

	#check for the inserted data (maybe we did it already)

	$insertionindex = index($xa, $xmlsnippet);

	if ($insertionindex > 0) {

		print "Already added the xml snippet to this doc\n";

		next;

	}

	#insert the snippet

	$insertionindex = index($xa, $insertionmarker);

	if ($insertionindex > 0) {

		#we want it after the end of the marker

		$insertionindex += length($insertionmarker);

		#construct the new xml with inserted elements

		$xa = substr($xa, 0, $insertionindex) . $xmlsnippet . substr($xa, $insertionindex);

		print "\n----------\n";

		#print $xa;

		#print "\n----------\n";

		#send the updated document

		$response = $metacat1->update($docid, $xa);

		print $metacat1->getMessage();

		$updatedcount++;

	}

    }

print "Updated $updatedcount documents\n";

} else {

    print $error;

}