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/*
* Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.database;
import org.json.JSONArray;
import org.json.JSONObject;
import java.sql.SQLException;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
public class ResultSetConverter {
public static JSONArray convert(ResultSet rs) throws SQLException {
JSONArray json = new JSONArray();
ResultSetMetaData rsmd = rs.getMetaData();
while (rs.next()) {
int numColumns = rsmd.getColumnCount();
JSONObject obj = new JSONObject();
for (int i = 1; i <= numColumns; i++) {
String columnName = rsmd.getColumnName(i).toLowerCase();
switch (rsmd.getColumnType(i)) {
case java.sql.Types.BIGINT:
obj.put(columnName, rs.getInt(columnName));
break;
case java.sql.Types.BOOLEAN:
obj.put(columnName, rs.getBoolean(columnName));
break;
case java.sql.Types.DOUBLE:
obj.put(columnName, rs.getDouble(columnName));
break;
case java.sql.Types.FLOAT:
obj.put(columnName, rs.getFloat(columnName));
break;
case java.sql.Types.INTEGER:
obj.put(columnName, rs.getInt(columnName));
break;
case java.sql.Types.NVARCHAR:
obj.put(columnName, rs.getNString(columnName));
break;
case java.sql.Types.VARCHAR:
obj.put(columnName, rs.getString(columnName));
break;
case java.sql.Types.DATE:
obj.put(columnName, rs.getDate(columnName));
break;
case java.sql.Types.TIMESTAMP:
obj.put(columnName, rs.getTimestamp(columnName));
break;
default:
obj.put(columnName, rs.getObject(columnName));
break;
}
}
json.put(obj);
}
return json;
}
}
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