001/*
002 * Copyright (c) 2010-2024 Mark Allen, Norbert Bartels.
003 *
004 * Permission is hereby granted, free of charge, to any person obtaining a copy
005 * of this software and associated documentation files (the "Software"), to deal
006 * in the Software without restriction, including without limitation the rights
007 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
008 * copies of the Software, and to permit persons to whom the Software is
009 * furnished to do so, subject to the following conditions:
010 *
011 * The above copyright notice and this permission notice shall be included in
012 * all copies or substantial portions of the Software.
013 *
014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
015 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
016 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
017 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
018 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
019 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
020 * THE SOFTWARE.
021 */
022package com.restfb;
023
024import java.util.Optional;
025
026/**
027 * The POST body class. It uses the RestFB JsonMapper to convert an object to json String.
028 * <p>
029 * You can use your custom mapper to modify the mapping.
030 */
031public class Body {
032
033  private final String data;
034
035  private Body(Object data) {
036    this(data, new DefaultJsonMapper());
037  }
038
039  private Body(Object data, JsonMapper jsonMapper) {
040    if (data == null) {
041      throw new IllegalArgumentException(Body.class + " instances" + " must have a non-null data.");
042    }
043    this.data = Optional.ofNullable(jsonMapper)
044      .orElseThrow(() -> new IllegalArgumentException("Provided " + JsonMapper.class + " must not be null."))
045      .toJson(data, true);
046  }
047
048  /**
049   * returns the Body data as String
050   * 
051   * @return the body data
052   */
053  public String getData() {
054    return data;
055  }
056
057  /**
058   * build a new body object instance with the given data as immutable inner data
059   * 
060   * @param data
061   *          the data is internally converted into a String using the JsonMapper
062   * @return the Body instance
063   */
064  public static Body withData(Object data) {
065    return new Body(data);
066  }
067
068  /**
069   * build a new body object instance with the given data as immutable inner data
070   *
071   * @param data
072   *          the data is internally converted into a String using the provided JsonMapper
073   * @param jsonMapper
074   *          the custom JsonMapper used for the Object to String conversion
075   * 
076   * @return the Body instance
077   */
078  public static Body withData(Object data, JsonMapper jsonMapper) {
079    return new Body(data, jsonMapper);
080  }
081}