| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.sysds.utils; |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| |
| import org.apache.wink.json4j.JSONException; |
| import org.apache.wink.json4j.JSONObject; |
| |
| public class JSONHelper { |
| public static Object get(JSONObject jsonObject, String key) { |
| Object result = null; |
| try { |
| if(jsonObject != null) { |
| result = jsonObject.get(key); |
| } |
| } catch (JSONException e) { |
| // ignore and return null |
| } |
| |
| return result; |
| } |
| |
| public static JSONObject parse(Reader reader) throws IOException { |
| try { |
| if(reader != null) { |
| JSONObject result = new JSONObject(reader); |
| return result; |
| } else { |
| return null; |
| } |
| |
| } catch (JSONException je) { |
| throw new IOException("Error parsing json", je); |
| } |
| } |
| } |