Example usage for com.google.gwt.gdata.client.maps FeatureFeedCallback FeatureFeedCallback

Introduction

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

Prototype

FeatureFeedCallback

Source Link

Usage

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

License:Apache License

/**
 * Retrieve the features feed for a given map using the
 * Maps service and the features feed uri.
 * In GData all get, insert, update and delete methods always
 * receive a callback defining success and failure handlers.
 * Here, the failure handler displays an error message while the
 * success handler obtains the first feature entry with a title
 * starting with "GWT-Maps-Client" and calls deleteFeature to
 * delete the feature./*w w w .  j  a  va 2s  .  c  o  m*/
 * If no feature is found, a message is displayed.
 * 
 * @param mapEntryUri The uri of the map entry for which to
 * retrieve the features feed
 */
private void getFeatures(String mapEntryUri) {
    String featuresFeedUri = mapEntryUri.replace("/feeds/maps/", "/feeds/features/") + "/full";
    showStatus("Loading features feed...", false);
    service.getFeatureFeed(featuresFeedUri, new FeatureFeedCallback() {
        public void onFailure(CallErrorException caught) {
            showStatus("An error occurred while retrieving the features feed: " + caught.getMessage(), true);
        }

        public void onSuccess(FeatureFeed result) {
            FeatureEntry[] entries = result.getEntries();
            FeatureEntry targetFeature = null;
            for (FeatureEntry entry : entries) {
                if (entry.getTitle().getText().startsWith("GWT-Maps-Client")) {
                    targetFeature = entry;
                    break;
                }
            }
            if (targetFeature == null) {
                showStatus("No map feature found that contains 'GWT-Maps-Client' " + "in the title.", false);
            } else {
                String featureEntryUri = targetFeature.getSelfLink().getHref();
                deleteFeature(featureEntryUri);
            }
        }
    });
}

---

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

License:Apache License

/**
 * Retrieve the features feed for a given map using the
 * Maps service and the features feed uri.
 * In GData all get, insert, update and delete methods always
 * receive a callback defining success and failure handlers.
 * Here, the failure handler displays an error message while the
 * success handler calls showData to display the feature entries.
 * /*from   w  ww. j  a v a2 s. c o  m*/
 * @param mapEntryUri The uri of the map entry for which to
 * retrieve the features feed
 */
private void getFeatures(String mapEntryUri) {
    String featuresFeedUri = mapEntryUri.replace("/feeds/maps/", "/feeds/features/") + "/full";
    showStatus("Loading features feed...", false);
    service.getFeatureFeed(featuresFeedUri, new FeatureFeedCallback() {
        public void onFailure(CallErrorException caught) {
            showStatus("An error occurred while retrieving the features feed: " + caught.getMessage(), true);
        }

        public void onSuccess(FeatureFeed result) {
            FeatureEntry[] entries = result.getEntries();
            if (entries.length == 0) {
                showStatus("The map contains no features.", false);
            } else {
                showData(entries);
            }
        }
    });
}

---

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

License:Apache License

/**
 * Retrieve the features feed for a given map using the
 * Maps service and the features feed uri.
 * In GData all get, insert, update and delete methods always
 * receive a callback defining success and failure handlers.
 * Here, the failure handler displays an error message while the
 * success handler obtains the first feature entry with a title
 * starting with "GWT-Maps-Client" and calls updateFeature to
 * update the feature entry.//  ww  w.  j  a  va2s.  co  m
 * If no feature is found, a message is displayed.
 * 
 * @param mapEntryUri The uri of the map entry for which to
 * retrieve the features feed
 */
private void getFeatures(String mapEntryUri) {
    String featuresFeedUri = mapEntryUri.replace("/feeds/maps/", "/feeds/features/") + "/full";
    showStatus("Loading features feed...", false);
    service.getFeatureFeed(featuresFeedUri, new FeatureFeedCallback() {
        public void onFailure(CallErrorException caught) {
            showStatus("An error occurred while retrieving the features feed: " + caught.getMessage(), true);
        }

        public void onSuccess(FeatureFeed result) {
            FeatureEntry[] entries = result.getEntries();
            FeatureEntry targetFeature = null;
            for (FeatureEntry entry : entries) {
                if (entry.getTitle().getText().startsWith("GWT-Maps-Client")) {
                    targetFeature = entry;
                    break;
                }
            }
            if (targetFeature == null) {
                showStatus("No map feature found that contains 'GWT-Maps-Client' " + "in the title.", false);
            } else {
                updateFeature(targetFeature);
            }
        }
    });
}

---