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Posted to commits@guacamole.apache.org by vn...@apache.org on 2018/04/29 20:58:52 UTC
[10/19] guacamole-client git commit: GUACAMOLE-526: Add convenience
function for generating promise callbacks which handle only REST errors.
GUACAMOLE-526: Add convenience function for generating promise callbacks which handle only REST errors.
Project: http://git-wip-us.apache.org/repos/asf/guacamole-client/repo
Commit: http://git-wip-us.apache.org/repos/asf/guacamole-client/commit/c30b7b0d
Tree: http://git-wip-us.apache.org/repos/asf/guacamole-client/tree/c30b7b0d
Diff: http://git-wip-us.apache.org/repos/asf/guacamole-client/diff/c30b7b0d
Branch: refs/heads/master
Commit: c30b7b0d8030e6b91f102f12df160c63a72b76c5
Parents: 8c9735d
Author: Michael Jumper <mj...@apache.org>
Authored: Thu Apr 26 21:11:51 2018 -0700
Committer: Michael Jumper <mj...@apache.org>
Committed: Thu Apr 26 21:11:51 2018 -0700
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.../webapp/app/rest/services/requestService.js | 31 +++++++++++++++++++-
1 file changed, 30 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/guacamole-client/blob/c30b7b0d/guacamole/src/main/webapp/app/rest/services/requestService.js
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diff --git a/guacamole/src/main/webapp/app/rest/services/requestService.js b/guacamole/src/main/webapp/app/rest/services/requestService.js
index f17ce25..b2f709b 100644
--- a/guacamole/src/main/webapp/app/rest/services/requestService.js
+++ b/guacamole/src/main/webapp/app/rest/services/requestService.js
@@ -26,6 +26,7 @@ angular.module('rest').factory('requestService', ['$injector',
// Required services
var $http = $injector.get('$http');
+ var $log = $injector.get('$log');
// Required types
var Error = $injector.get('Error');
@@ -62,6 +63,34 @@ angular.module('rest').factory('requestService', ['$injector',
);
};
- return service;
+ /**
+ * Creates a promise error callback which invokes the given callback only
+ * if the promise was rejected with a REST @link{Error} object. If the
+ * promise is rejected without an @link{Error} object, such as when a
+ * JavaScript error occurs within a callback earlier in the promise chain,
+ * the rejection is logged without invoking the given callback.
+ *
+ * @param {Function} callback
+ * The callback to invoke if the promise is rejected with an
+ * @link{Error} object.
+ *
+ * @returns {Function}
+ * A function which can be provided as the error callback for a
+ * promise.
+ */
+ service.createErrorCallback = function createErrorCallback(callback) {
+ return (function generatedErrorCallback(error) {
+
+ // Invoke given callback ONLY if due to a legitimate REST error
+ if (error instanceof Error)
+ return callback(error);
+
+ // Log all other errors
+ $log.error(error);
+
+ });
+ };
+
+ return service;
}]);