* Plain-format is not announced.
*/
$noparam = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<formats>\n<format name=\"bibtex\" type=\"text/plain\" />\n<format name=\"csv\" type=\"text/plain\" />\n<format name=\"dc\" type=\"application/xml\" />\n<format name=\"extpp\" type=\"application/xml\" />\n<format name=\"json\" type=\"application/json\" />\n<format name=\"openurl-kev\" type=\"text/plain\" />\n<format name=\"rdf\" type=\"application/xml\" />\n<format name=\"text\" type=\"text/plain\" />\n<format name=\"xml\" type=\"application/xml\" />\n</formats>\n";
/*
* check if $id is not empty, if it's empty show
* available formats.
*/
if (!isset($id) || $id == '') {
header('Content-type: application/xml');
echo "{$noparam}";
return;
}
// instantiate new Picappn()
$pica = new Picappn();
// set PPN as identifier
$pica->setPpn($id);
/*
* This is no part of the unAPI but for debugging.
* It is triggered by supplying "array" as $format and print_rs the
* pica-data as array.
*/
if ($format == "array") {
echo "<head></head>\n<body>\n <pre>\n";
print_r($pica->getArray());
echo " </pre>\n</body>\n";
die(0);
}
// Final switch for printing result according to $format
switch ($format) {
// BibTeX
case 'bibtex':
