/*
* Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.amazonaws.mobileconnectors.lambdainvoker;
import com.amazonaws.util.StringUtils;
import com.google.gson.Gson;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.io.Reader;
/**
* A Json data binder backed by Gson.
*/
public class LambdaJsonBinder implements LambdaDataBinder {
private final Gson gson;
/**
* Constructs a Lambda Json binder.
*/
public LambdaJsonBinder() {
this.gson = new Gson();
}
@Override
public <T> T deserialize(byte[] content, Class<T> clazz) {
if (content == null) {
return null;
}
Reader reader = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(content),
StringUtils.UTF8));
return gson.fromJson(reader, clazz);
}
@Override
public byte[] serialize(Object object) {
return gson.toJson(object).getBytes(StringUtils.UTF8);
}
}