function oai_error($code, $argument = '', $value = '')
{
global $request;
global $request_err;
switch ($code) {
case 'badArgument':
$text = "The argument '{$argument}' (value='{$value}') included in the request is not valid.";
break;
case 'badGranularity':
$text = "The value '{$value}' of the argument '{$argument}' is not valid.";
$code = 'badArgument';
break;
case 'badResumptionToken':
$text = "The resumptionToken '{$value}' does not exist or has already expired.";
break;
case 'badRequestMethod':
$text = "The request method '{$argument}' is unknown.";
$code = 'badVerb';
break;
case 'badVerb':
$text = "The verb '{$argument}' provided in the request is illegal.";
break;
case 'cannotDisseminateFormat':
$text = "The metadata format '{$value}' given by {$argument} is not supported by this repository.";
break;
case 'exclusiveArgument':
$text = 'The usage of resumptionToken as an argument allows no other arguments.';
$code = 'badArgument';
break;
case 'idDoesNotExist':
$text = "The value '{$value}' of the identifier is illegal for this repository.";
if (!is_valid_uri($value)) {
$code = 'badArgument';
}
break;
case 'missingArgument':
$text = "The required argument '{$argument}' is missing in the request.";
$code = 'badArgument';
break;
case 'noRecordsMatch':
$text = 'The combination of the given values results in an empty list.';
break;
case 'noMetadataFormats':
$text = 'There are no metadata formats available for the specified item.';
break;
case 'noVerb':
$text = 'The request does not provide any verb.';
$code = 'badVerb';
break;
case 'noSetHierarchy':
$text = 'This repository does not support sets.';
break;
case 'sameArgument':
$text = 'Do not use them same argument more than once.';
$code = 'badArgument';
break;
case 'sameVerb':
$text = 'Do not use verb more than once.';
$code = 'badVerb';
break;
default:
$text = "Unknown error: code: '{$code}', argument: '{$argument}', value: '{$value}'";
$code = 'badArgument';
}
if ($code == 'badVerb' || $code == 'badArgument') {
$request = $request_err;
}
$error = ' <error code="' . xmlstr($code, 'iso8859-1', false) . '">' . xmlstr($text, 'iso8859-1', false) . "</error>\n";
return $error;
}
/** utility funciton to mapping error codes to readable messages */
function oai_error($code, $argument = '', $value = '')
{
switch ($code) {
case 'badArgument':
$text = "The argument '{$argument}' (value='{$value}') included in the request is not valid.";
break;
case 'badGranularity':
$text = "The value '{$value}' of the argument '{$argument}' is not valid.";
$code = 'badArgument';
break;
case 'badResumptionToken':
$text = "The resumptionToken '{$value}' does not exist or has already expired.";
break;
case 'badRequestMethod':
$text = "The request method '{$argument}' is unknown.";
$code = 'badVerb';
break;
case 'badVerb':
$text = "The verb '{$argument}' provided in the request is illegal.";
break;
case 'cannotDisseminateFormat':
$text = "The metadata format '{$value}' given by {$argument} is not supported by this repository.";
break;
case 'exclusiveArgument':
$text = 'The usage of resumptionToken as an argument allows no other arguments.';
$code = 'badArgument';
break;
case 'idDoesNotExist':
$text = "The value '{$value}' of the identifier does not exist in this repository.";
if (!is_valid_uri($value)) {
$code = 'badArgument';
$text .= ' Invalidated URI has been detected.';
}
break;
case 'missingArgument':
$text = "The required argument '{$argument}' is missing in the request.";
$code = 'badArgument';
break;
case 'noRecordsMatch':
$text = 'The combination of the given values results in an empty list.';
break;
case 'noMetadataFormats':
$text = 'There are no metadata formats available for the specified item.';
break;
case 'noVerb':
$text = 'The request does not provide any verb.';
$code = 'badVerb';
break;
case 'noSetHierarchy':
$text = 'This repository does not support sets.';
break;
case 'sameArgument':
$text = 'Do not use the same argument more than once.';
$code = 'badArgument';
break;
case 'sameVerb':
$text = 'Do not use verb more than once.';
$code = 'badVerb';
break;
case 'notImp':
$text = 'Not yet implemented.';
$code = 'debug';
break;
default:
$text = "Unknown error: code: '{$code}', argument: '{$argument}', value: '{$value}'";
$code = 'badArgument';
}
return $code . "|" . $text;
}
* +----------------------------------------------------------------------+
* | Derived from work by U. Müller, HUB Berlin, 2002 |
* | |
* | Written by Heinrich Stamerjohanns, May 2002 |
* | stamer@uni-oldenburg.de |
* +----------------------------------------------------------------------+
*/
//
// $Id$
//
// parse and check arguments
foreach ($args as $key => $val) {
switch ($key) {
case 'identifier':
$identifier = $val;
if (!is_valid_uri($identifier)) {
$errors .= oai_error('badArgument', $key, $val);
}
break;
case 'metadataPrefix':
if (isset($METADATAFORMATS[$val]) && is_array($METADATAFORMATS[$val]) && isset($METADATAFORMATS[$val]['myhandler'])) {
$metadataPrefix = $val;
$inc_record = $METADATAFORMATS[$val]['myhandler'];
} else {
$errors .= oai_error('cannotDisseminateFormat', $key, $val);
}
break;
default:
$errors .= oai_error('badArgument', $key, $val);
}
}