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      1 package autotest.common;
      2 
      3 
      4 import com.google.gwt.json.client.JSONObject;
      5 import com.google.gwt.json.client.JSONValue;
      6 import com.google.gwt.json.client.JSONArray;
      7 
      8 import java.util.HashMap;
      9 
     10 /**
     11  * A singleton class to manage a set of static data, such as the list of users.
     12  * The data will most likely be retrieved once at the beginning of program
     13  * execution.  Other classes can then retrieve the data from this shared
     14  * storage.
     15  */
     16 public class StaticDataRepository {
     17     public interface FinishedCallback {
     18         public void onFinished();
     19     }
     20     // singleton
     21     public static final StaticDataRepository theInstance = new StaticDataRepository();
     22 
     23     protected JSONObject dataObject = null;
     24     protected HashMap<Double, String> priorityMap = null;
     25 
     26     private StaticDataRepository() {}
     27 
     28     public static StaticDataRepository getRepository() {
     29         return theInstance;
     30     }
     31 
     32     /**
     33      * Update the local copy of the static data from the server.
     34      * @param finished callback to be notified once data has been retrieved
     35      */
     36     public void refresh(final FinishedCallback finished) {
     37         JsonRpcProxy.getProxy().rpcCall("get_static_data", null,
     38                                         new JsonRpcCallback() {
     39             @Override
     40             public void onSuccess(JSONValue result) {
     41                 dataObject = result.isObject();
     42                 priorityMap = new HashMap<Double, String>();
     43                 populatePriorities(dataObject.get("priorities").isArray());
     44                 finished.onFinished();
     45             }
     46         });
     47     }
     48 
     49     private void populatePriorities(JSONArray priorities) {
     50         for(int i = 0; i < priorities.size(); i++) {
     51             JSONArray priorityData = priorities.get(i).isArray();
     52             String priority = priorityData.get(1).isString().stringValue();
     53             Double priority_value = priorityData.get(0).isNumber().getValue();
     54             priorityMap.put(priority_value, priority);
     55         }
     56     }
     57 
     58     /**
     59      * Get a value from the static data object.
     60      */
     61     public JSONValue getData(String key) {
     62         return dataObject.get(key);
     63     }
     64 
     65     /**
     66      * Set a value in the repository.
     67      */
     68     public void setData(String key, JSONValue data) {
     69         dataObject.put(key, data);
     70     }
     71 
     72     public String getCurrentUserLogin() {
     73         return Utils.jsonToString(dataObject.get("current_user").isObject().get("login"));
     74     }
     75 
     76     public String getPriorityName(Double value) {
     77         if (priorityMap == null) {
     78             return "Unknown";
     79         }
     80 
     81         String priorityName = priorityMap.get(value);
     82         if (priorityName == null) {
     83             priorityName = value.toString();
     84         }
     85 
     86         return priorityName;
     87     }
     88 }
     89