package edu.isi.karma.controller.command.transformation;
import javax.servlet.http.HttpServletRequest;
import org.json.JSONArray;
import org.json.JSONException;
import edu.isi.karma.controller.command.Command;
import edu.isi.karma.controller.command.JSONInputCommandFactory;
import edu.isi.karma.controller.history.HistoryJsonUtil;
import edu.isi.karma.rep.Worksheet;
import edu.isi.karma.rep.Workspace;
import edu.isi.karma.util.CommandInputJSONUtil;
import edu.isi.karma.webserver.KarmaException;
public class RepeatPythonTransformationCommandFactory extends
JSONInputCommandFactory {
private enum Arguments {
worksheetId, hNodeId, selectionName
}
@Override
public Command createCommand(JSONArray inputJson, Workspace workspace)
throws JSONException, KarmaException {
String worksheetId = HistoryJsonUtil.getStringValue(Arguments.worksheetId.name(), inputJson);
String hNodeId = HistoryJsonUtil.getStringValue(Arguments.hNodeId.name(), inputJson);
this.normalizeSelectionId(worksheetId, inputJson, workspace);
String selectionName = CommandInputJSONUtil.getStringValue(Arguments.selectionName.name(), inputJson);
Worksheet worksheet = workspace.getWorksheet(worksheetId);
if (worksheet == null) {
throw new KarmaException("Worksheet not found");
}
String transformCode = worksheet.getMetadataContainer().getColumnMetadata().getColumnPython(hNodeId);
if (transformCode == null) {
throw new KarmaException("Transform code is null");
}
RepeatPythonTransformationCommand cmd = new RepeatPythonTransformationCommand(getNewId(workspace), worksheetId,
hNodeId, transformCode, selectionName);
cmd.setInputParameterJson(inputJson.toString());
return cmd;
}
@Override
public Command createCommand(HttpServletRequest request, Workspace workspace) {
return null;
}
@Override
public Class<? extends Command> getCorrespondingCommand() {
return RepeatPythonTransformationCommand.class;
}
}