function apachesolr_attachments_extract_using_solr in Apache Solr Attachments 7

Same name and namespace in other branches

1. 6.3 apachesolr_attachments.index.inc \apachesolr_attachments_extract_using_solr()
2. 6 apachesolr_attachments.admin.inc \apachesolr_attachments_extract_using_solr()
3. 6.2 apachesolr_attachments.admin.inc \apachesolr_attachments_extract_using_solr()

For a file path, try to extract text using Solr 1.4+.

Throws

Exception

1 call to apachesolr_attachments_extract_using_solr()

apachesolr_attachments_get_attachment_text in ./apachesolr_attachments.index.inc

Parse the attachment getting just the raw text.

File

./apachesolr_attachments.index.inc, line 154

Indexing-related functions.

Code

function apachesolr_attachments_extract_using_solr($filepath) {

  // Extract using Solr.
  // We allow Solr to throw exceptions - they will be caught
  // by apachesolr.module.
  $env_id = apachesolr_default_environment();
  $solr = apachesolr_get_solr($env_id);
  $filename = basename($filepath);
  $params = array(
    'resource.name' => $filename,
    'extractFormat' => 'text',
  );

  // Construct a multi-part form-data POST body in $data.
  $boundary = '--' . hash('sha256', uniqid(REQUEST_TIME));
  $data = "--{$boundary}\r\n";

  // The 'filename' used here becomes the property name in the response.
  $data .= 'Content-Disposition: form-data; name="file"; filename="extracted"';
  $data .= "\r\nContent-Type: application/octet-stream\r\n\r\n";
  $data .= file_get_contents($filepath);
  $data .= "\r\n--{$boundary}--\r\n";
  $headers = array(
    'Content-Type' => 'multipart/form-data; boundary=' . $boundary,
  );
  $options = array(
    'method' => 'POST',
    'headers' => $headers,
    'data' => $data,
  );
  $response = $solr
    ->makeServletRequest(EXTRACTING_SERVLET, $params, $options);
  return array(
    $response->extracted,
    $response->extracted_metadata,
  );
}