Java tutorial
/******************************************************************************* * Copyright 2015 IBM Corporation * * 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 com.ibm.watson.catalyst.corpus.util; import java.util.Collection; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.node.ArrayNode; public class JsonUtil { private static final ObjectMapper MAPPER = new ObjectMapper(); public static ArrayNode toArrayNodeString(Collection<String> aCollection) { ArrayNode result = MAPPER.createArrayNode(); aCollection.forEach((aString) -> result.add(aString)); return result; } public static ArrayNode toArrayNodeJsonable(Collection<? extends Jsonable> aCollection) { ArrayNode result = MAPPER.createArrayNode(); aCollection.forEach((aJsonable) -> result.add(aJsonable.toJson())); return result; } }