| /* |
| * 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.pirk.serialization; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| |
| public class JsonSerializer extends SerializationService |
| { |
| private ObjectMapper objectMapper = new ObjectMapper(); |
| |
| /** |
| * Stores the given object on the output stream as JSON. |
| * |
| * @param outputStream |
| * The stream on which to store the object. |
| * @param obj |
| * The object to be stored. |
| * @throws IOException |
| * If a problem occurs storing the object on the given stream. |
| */ |
| @Override |
| public void write(OutputStream outputStream, Storable obj) throws IOException |
| { |
| objectMapper.writerWithDefaultPrettyPrinter().writeValue(outputStream, obj); |
| } |
| |
| /** |
| * Read a JSON string from the given input stream and returns the Object representation. |
| * |
| * @param inputStream |
| * The stream from which to read the object. |
| * @param classType |
| * The type of object being retrieved. |
| * @throws IOException |
| * If a problem occurs reading the object from the stream. |
| */ |
| @Override |
| public <T> T read(InputStream inputStream, Class<T> classType) throws IOException |
| { |
| return objectMapper.readValue(inputStream, classType); |
| } |
| |
| } |