org.jfaster.mango.invoker.function.json.ObjectToGsonFunction Maven / Gradle / Ivy

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/*
 * Copyright 2014 mango.jfaster.org
 *
 * The Mango Project 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.jfaster.mango.invoker.function.json;

import com.google.gson.Gson;
import org.jfaster.mango.invoker.GetterFunction;

import javax.annotation.Nullable;

/**
 * Object --> json
 *
 * @author ash
 */
public class ObjectToGsonFunction implements GetterFunction {

  @Nullable
  @Override
  public String apply(@Nullable Object input) {
    return input == null ? null : new Gson().toJson(input);
  }

}