Example usage for com.google.gwt.gdata.client.gbase ItemsEntry getSelfLink

Introduction

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

Prototype

public final native com.google.gwt.gdata.client.Link getSelfLink() ;

Source Link

Document

Returns the link that provides the URI of the feed or entry.

Usage

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

License:Apache License

/**
 * Retrieve the items feed using the Google Base service and
 * the items feed uri. In GData all get, insert, update
 * and delete methods always receive a callback defining success
 * and failure handlers.// ww  w .ja  v  a 2 s.  c  o m
 * Here, the failure handler displays an error message while the
 * success handler obtains the first Item entry with a title
 * starting with "GWT-GoogleBase-Client" and calls deleteItem
 * to delete the item. Alternatively we could also have used
 * targetItem.deleteEntry but the effect is the same.
 * If no item is found a message is displayed.
 * 
 * @param itemsFeedUri The uri of the items feed
 */
private void getItems(String itemsFeedUri) {
    showStatus("Loading items feed...", false);
    service.getItemsFeed(itemsFeedUri, new ItemsFeedCallback() {
        public void onFailure(CallErrorException caught) {
            showStatus("An error occurred while retrieving the items feed: " + caught.getMessage(), true);
        }

        public void onSuccess(ItemsFeed result) {
            ItemsEntry[] entries = result.getEntries();
            ItemsEntry targetItem = null;
            for (ItemsEntry entry : entries) {
                if (entry.getTitle().getText().startsWith("GWT-GoogleBase-Client")) {
                    targetItem = entry;
                    break;
                }
            }
            if (targetItem == null) {
                showStatus("No item found that contains 'GWT-GoogleBase-Client' " + "in the title.", false);
            } else {
                String itemsEntryUri = targetItem.getSelfLink().getHref();
                deleteItem(itemsEntryUri);
            }
        }
    });
}

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

License:Apache License

/**
 * Retrieve the items feed using the Google Base service and
 * the items feed uri. In GData all get, insert, update
 * and delete methods always receive a callback defining success
 * and failure handlers./*  w w  w  . jav a  2 s  .c o m*/
 * Here, the failure handler displays an error message while the
 * success handler obtains the first item entry that is associated
 * with on or more media attachments and calls getMedia to
 * retrieve its media entries.
 * 
 * @param itemsFeedUri The uri of the items feed
 */
private void getItems(String itemsFeedUri) {
    showStatus("Loading items feed...", false);
    service.getItemsFeed(itemsFeedUri, new ItemsFeedCallback() {
        public void onFailure(CallErrorException caught) {
            showStatus("An error occurred while retrieving the items feed: " + caught.getMessage(), true);
        }

        public void onSuccess(ItemsFeed result) {
            ItemsEntry[] entries = result.getEntries();
            ItemsEntry targetItem = null;
            for (ItemsEntry entry : entries) {
                FeedLink<MediaFeed> link = entry.getFeedLink().cast();
                if (link.getCountHint() > 0) {
                    targetItem = entry;
                    break;
                }
            }
            if (targetItem == null) {
                showStatus("You have no items containing media.", false);
            } else {
                String itemsEntryUri = targetItem.getSelfLink().getHref();
                getMedia(itemsEntryUri);
            }
        }
    });
}

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