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DataSources can bind directly to JSON data where records appear as an Array of JavaScript Objects with field values (Smart GWT)

/*  * SmartGWT (GWT for SmartClient)  * Copyright 2008 and beyond, Isomorphic Software, Inc.  *  * SmartGWT is free software; you can redistribute it and/or modify it  * under the terms of the GNU Lesser General Public License version 3  * as published by the Free Software Foundation.  SmartGWT is also  * available under typical commercial license terms - see  * http://smartclient.com/license  * This software is distributed in the hope that it will be useful,  * but WITHOUT ANY WARRANTY; without even the implied warranty of  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU  * Lesser General Public License for more details.  */ package com.smartgwt.sample.showcase.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.smartgwt.client.data.DataSource; import com.smartgwt.client.data.fields.DataSourceTextField; import com.smartgwt.client.types.DSDataFormat; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.grid.ListGrid; public class Showcase implements EntryPoint {   public void onModuleLoad() {     RootPanel.get().add(getViewPanel());   }   public Canvas getViewPanel() {     DataSource dataSource = new DataSource();     dataSource.setDataFormat(DSDataFormat.JSON);     dataSource.setDataURL("data/dataIntegration/json/countries_small.js");     DataSourceTextField nameField = new DataSourceTextField("name", "Name");     DataSourceTextField populationfield = new DataSourceTextField("population", "Population");     DataSourceTextField areaField = new DataSourceTextField("total_area", "Total Area");     DataSourceTextField governmentField = new DataSourceTextField("government", "Government");     dataSource.setFields(nameField, populationfield, areaField, governmentField);     ListGrid grid = new ListGrid();     grid.setDataSource(dataSource);     grid.setWidth100();     grid.setHeight(150);     grid.setAutoFetchData(true);     return grid;   } }                  SmartGWT.zip( 9,880 k)