Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
/**
* @file
* Document Converter Class
*/
/**
* This class implements document (doc, odt, pdf, etc.) conversion for a generic
* multi-format document collection.
*/
class DocumentConverter {
private $converter_service_url = "http://localhost:8080/converter/service";
/**
* Constructor
* @param type $converter_url
*/
public function __construct($converter_url = NULL) {
if (!empty($converter_url))
$this->converter_service_url = $converter_url;
}
/**
* Convert ???
* @param type $parameterArray
* @param type $dsid
* @param type $file
* @param type $output_ext
* @return string
*/
function convert($parameterArray = NULL, $dsid, $file, $output_ext) {
module_load_include('inc', 'islandora_repository', 'MimeClass');
#debug:
#drupal_set_message("Sending $file to ". $this->converter_service_url ." for convertsion to $output_ext", 'status');
if (!empty($parameterArray['converter_url'])) {
$this->converter_service_url = $parameterArray['converter_url'];
}
$helper = new MimeClass();
$inputType = $helper->get_mimetype($file);
$outputType = $helper->get_mimetype($output_ext);
$inputData = file_get_contents($file);
$outputFile = $file . "_" . $dsid . "." . $output_ext;
#debug:
#drupal_set_message("inputType: $inputType", 'status');
#drupal_set_message("outputType: $outputType", 'status');
#drupal_set_message("outputFile: $outputFile", 'status');
$ch = curl_init($this->converter_service_url);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: $inputType", "Accept: $outputType"));
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 120); // times out after 2 minutes
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // return into a variable
curl_setopt($ch, CURLOPT_POSTFIELDS, $inputData); // add POST fields
#curl_setopt($ch, CURLOPT_HEADER, 1);
#curl_setopt($ch, CURLOPT_VERBOSE, 1);
$data = curl_exec($ch); // run the whole process
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if (200 == $code) {
$returnValue = file_put_contents($outputFile, $data);
if ($returnValue > 0) {
drupal_set_message(t("Conversion successful."), 'status');
$_SESSION['fedora_ingest_files']["$dsid"] = $outputFile;
return $outputFile;
}
else {
return $returnValue; // a.k.a. FALSE.
}
}
else {
drupal_set_message(t("Conversion Failed. Webservice returned $code."), 'status');
return FALSE;
}
}
}
/*
$documentConverter = new DocumentConverter();
$inputFile = "document.docx";
$outputType = "txt";
$documentConverter->convert( NULL, 'TXT', $inputFile, $outputType);
/* */