1 package autotest.moblab.rpc; 2 3 import com.google.gwt.json.client.JSONObject; 4 import com.google.gwt.json.client.JSONValue; 5 6 /** 7 * Base class for entities passing as parameters via the JSON RPC. 8 */ 9 public abstract class JsonRpcEntity { 10 public abstract void fromJson(JSONObject object); 11 12 public abstract JSONObject toJson(); 13 14 protected static String getStringFieldOrDefault(JSONObject object, String field, 15 String defaultValue) { 16 JSONValue value = object.get(field); 17 if (value != null && value.isString() != null) { 18 return value.isString().stringValue(); 19 } 20 return defaultValue; 21 } 22 23 protected static boolean getBooleanFieldOrDefault(JSONObject object, String field, 24 boolean defaultValue) { 25 JSONValue value = object.get(field); 26 if (value != null && value.isBoolean() != null) { 27 return value.isBoolean().booleanValue(); 28 } 29 return defaultValue; 30 } 31 } 32
