Example usage for com.google.gwt.gdata.client.gbase MediaFeedCallback MediaFeedCallback

Introduction

In this page you can find the example usage for com.google.gwt.gdata.client.gbase MediaFeedCallback MediaFeedCallback.

Prototype

MediaFeedCallback

Source Link

Usage

From source file:com.google.gwt.gdata.sample.hellogdata.client.GoogleBaseRetrieveMediaDemo.java

License:Apache License

/**
 * Retrieve the media feed using the Google Base service and
 * the media feed uri for a given item. In GData all get, insert, update
 * and delete methods always receive a callback defining success
 * and failure handlers.//w  ww  . ja  v  a 2s.c o m
 * Here, the failure handler displays an error message while the
 * success handler calls showData to display the media entries.
 * 
 * @param itemsEntryUri The uri of the items entry for which to
 * retrieve the media feed
 */
private void getMedia(String itemsEntryUri) {
    showStatus("Loading media feed...", false);
    String mediaFeedUri = itemsEntryUri + "/media/";
    service.getMediaFeed(mediaFeedUri, new MediaFeedCallback() {
        public void onFailure(CallErrorException caught) {
            showStatus("An error occurred while retrieving the media feed: " + caught.getMessage(), true);
        }

        public void onSuccess(MediaFeed result) {
            MediaEntry[] entries = result.getEntries();
            if (entries.length == 0) {
                showStatus("No media found.", false);
            } else {
                showData(entries);
            }
        }
    });
}

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