public function MigrateListJSON::computeCount in Migrate 7.2

Same name and namespace in other branches

1. 6.2 plugins/sources/json.inc \MigrateListJSON::computeCount()

Return a count of all available IDs from the source listing. The default implementation assumes the count of top-level elements reflects the number of IDs available - in many cases, you will need to override this to reflect your particular JSON structure.

Overrides MigrateList::computeCount

File

plugins/sources/json.inc, line 85

Support for migration from JSON sources.

Class

MigrateListJSON

Implementation of MigrateList, for retrieving a list of IDs to be migrated from a JSON object.

Code

public function computeCount() {
  $count = 0;
  if (empty($this->httpOptions)) {
    $json = file_get_contents($this->listUrl);
  }
  else {
    $response = drupal_http_request($this->listUrl, $this->httpOptions);
    $json = $response->data;
  }
  if ($json) {
    $data = drupal_json_decode($json);
    if ($data) {
      $count = count($this
        ->getIDsFromJSON($data));
    }
  }
  return $count;
}