Having an issue with converting code from XML output to a JSON object instead. Here is the current code:
public String evaluate() throws Exception
{
// Code block here
}
I need assistance in using GSON JSON utility methods to convert the result set to a JSON object. Any guidance would be appreciated!
json.org offers a user-friendly API for developers to utilize: http://json.org/java/
You can implement the following approach:
column = { "column1" : 123" }
row = [ { "column1" : 123" }, { "column2" : 456" } ]
rows = [ [ { "column1" : 123" }, { "column2" : 456" } ], [ { "column1" : 111" }, { "column2" : 222" } ]]
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
JSONArray rows = new JSONArray();
while(rs.next())
{
JSONArray columns = new JSONArray();
for(int i = 0; i < columnNames.length; i++)
{
JSONObject jsonObj = new JSONObject();
jsonObj.put(columnNames[i], rs.getString(i + 1));
columns.put(jsonObj);
}
rows.put(columns);
}
rs.close();
return rows.toString();
After running into some issues, I found a solution that worked perfectly for me:
I decided to simplify the process by removing all XML and table building details from my code. Instead, I opted to directly convert the result set into a GSON JSON array and output the JSON data. Here's how I achieved this:
JsonArray reportArray = JsonUtilities.resultSetToJsonObjectArray(ep.execute()[0]); //Convert Result Set to JsonArray
ResultSetMetaData rsmd = rs.getMetaData();
String[] columnNames = new String[rsmd.getColumnCount()];
for(int i = 0; i < columnNames.length; i++)
columnNames[i] = rsmd.getColumnName(i + 1).toLowerCase();
rs.close();
ep.close();
Gson gson = new GsonBuilder().setPrettyPrinting().create(); //Create JSON object and format output for readability
String JSONData = gson.toJson(reportArray);
return JSONData;
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