Java tutorial
/* * 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 eu.riscoss.datacollectors; import org.json.JSONObject; import org.json.JSONArray; import org.apache.commons.io.IOUtils; public class ExampleDataCollector { private static final String COLLECTOR_ID = "ExampleDataCollector"; private static final String COLLECTOR_DATATYPE = "NUMBER"; private static String getData(JSONObject input) { String exampleParameter = input.getString("exampleParameter"); return "" + 42; } private static JSONObject testInput() { JSONObject input = new JSONObject(""); input.put("exampleParameter", "hi"); input.put("riscoss_targetName", "test"); return input; } public static void main(String[] args) throws Exception { JSONObject input; if (args.length > 0 && "--stdin-conf".equals(args[args.length - 1])) { String stdin = IOUtils.toString(System.in, "UTF-8"); input = new JSONObject(stdin); } else { input = testInput(); System.out.println("using " + input + " as test configuration."); System.out.println("In production, use --stdin-conf and pass configuration to stdin"); } JSONObject outObj = new JSONObject(); outObj.put("id", COLLECTOR_ID); outObj.put("type", COLLECTOR_DATATYPE); outObj.put("target", input.getString("riscoss_targetName")); outObj.put("value", getData(input)); JSONArray outArray = new JSONArray(); outArray.put(outObj); System.out.println("-----BEGIN RISK DATA-----"); System.out.println(outArray.toString()); System.out.println("-----END RISK DATA-----"); } }