feeds_jsonpath_parser.module in Feeds JSONPath Parser 7

File

feeds_jsonpath_parser.module

<?php

/**
 * Defines which commit to checkout from flow/jsonpath.
 */
define('FEEDS_JSONPATH_PARSER_LIBRARY_VERSION', '0.5.0');

/**
 * Implements hook_feeds_plugins().
 */
function feeds_jsonpath_parser_feeds_plugins() {
  $path = drupal_get_path('module', 'feeds_jsonpath_parser');
  $info = array();
  $info['FeedsJSONPathParser'] = array(
    'name' => t('JSONPath parser'),
    'description' => t('Parse JSON using JSONPath.'),
    'handler' => array(
      'parent' => 'FeedsParser',
      'class' => 'FeedsJSONPathParser',
      'file' => 'FeedsJSONPathParser.inc',
      'path' => $path,
    ),
  );
  return $info;
}

/**
 * Implements hook_enable().
 *
 * Clear Feed's plugin cache so that this plugin shows up.
 */
function feeds_jsonpath_parser_enable() {
  cache_clear_all('plugins:feeds:plugins', 'cache');
}

/**
 * Implements hook_libraries_info().
 */
function feeds_jsonpath_parser_libraries_info() {
  $libraries = array();
  $libraries['jsonpath'] = array(
    'name' => 'JSONPath',
    'vendor url' => 'https://github.com/FlowCommunications/JSONPath',
    'download url' => 'https://github.com/FlowCommunications/JSONPath/archive/' . FEEDS_JSONPATH_PARSER_LIBRARY_VERSION . '.tar.gz',
    'version' => FEEDS_JSONPATH_PARSER_LIBRARY_VERSION,
    'xautoload' => '_feeds_jsonpath_parser_xautoload_callback',
  );
  return $libraries;
}

/**
 * Callback for xautoload.
 *
 * @see feeds_jsonpath_parser_libraries_info()
 */
function _feeds_jsonpath_parser_xautoload_callback($adapter) {
  try {
    $adapter
      ->composerJson('composer.json');
  } catch (Exception $e) {
    drupal_set_message($e
      ->getMessage(), 'error', FALSE);
  }
}

/**
 * Loads the jsonpath library.
 */
function feeds_jsonpath_parser_load_library() {

  // Check first to see if the class is loaded some other way like composer.
  if (!class_exists('\\Flow\\JSONPath\\JSONPath', TRUE)) {

    // If not, then we should have libraries installed.
    if (!module_exists('libraries')) {
      return FALSE;
    }
    $library = libraries_load('jsonpath');
    if ($library['loaded'] === FALSE) {
      return FALSE;
    }

    // We need to make sure that what is said to be the library here is actually
    // the one we wanted because they may have left the old one here.
    if (!class_exists('\\Flow\\JSONPath\\JSONPath', TRUE)) {
      return FALSE;
    }
  }
  return TRUE;
}

Functions

Name	Description
feeds_jsonpath_parser_enable	Implements hook_enable().
feeds_jsonpath_parser_feeds_plugins	Implements hook_feeds_plugins().
feeds_jsonpath_parser_libraries_info	Implements hook_libraries_info().
feeds_jsonpath_parser_load_library	Loads the jsonpath library.
_feeds_jsonpath_parser_xautoload_callback	Callback for xautoload.

Constants

Name	Description
FEEDS_JSONPATH_PARSER_LIBRARY_VERSION	Defines which commit to checkout from flow/jsonpath.