How to use

fromJson

method

in

com.redhat.lightblue.query.Projection

@Override
public Projection parseProjection(JsonNode object) {
  return object == null ? null : Projection.fromJson(object);
}

@Override
public Projection getProjection(JsonNode object, String name) {
  JsonNode node = object.get(name);
  return node == null ? null : Projection.fromJson(node);
}

@Override
public Projection getProjection(JsonNode object, String name) {
  JsonNode node = object.get(name);
  return node == null ? null : Projection.fromJson(node);
}

@Override
public Projection parseProjection(BSONObject object) {
  return object == null ? null : Projection.fromJson(toJson(object));
}

  /**
   * Parses a save request from a JSON object
   */
  public static SaveRequest fromJson(ObjectNode node) {
    SaveRequest req = new SaveRequest();
    req.parse(node);
    JsonNode x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    x = node.get("upsert");
    if (x != null) {
      req.upsert = x.asBoolean();
    }
    return req;
  }
}

  /**
   * Parses an insertion request from a json object. Unrecognized elements are
   * ignored.
   */
  public static InsertionRequest fromJson(ObjectNode node) {
    InsertionRequest req = new InsertionRequest();
    req.parse(node);
    JsonNode x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    return req;
  }
}

@Override
public Projection getProjection(Object object, String name) {
  String x = (String) ((BSONObject) object).get(name);
  return x == null ? null : Projection.fromJson(toJson(x));
}

@Override
public Projection getProjection(BSONObject object, String name) {
  String x = (String) object.get(name);
  return x == null ? null : Projection.fromJson(toJson(x));
}

/**
 * Parses a find request from a json object. Unrecognized elements are
 * ignored.
 */
public void fromJson(ObjectNode node) {
  JsonNode x = node.get("query");
  if (x != null) {
    query = QueryExpression.fromJson(x);
  }
  x = node.get("projection");
  if (x != null) {
    projection = Projection.fromJson(x);
  }
  x = node.get("sort");
  if (x != null) {
    sort = Sort.fromJson(x);
  }
  x = node.get("range");
  if (x instanceof ArrayNode && ((ArrayNode) x).size() == 2) {
    from = ((ArrayNode) x).get(0).asLong();
    to = ((ArrayNode) x).get(1).asLong();
  }
}

  /**
   * Parses an update request from a Json object
   */
  public static UpdateRequest fromJson(ObjectNode node) {
    UpdateRequest req = new UpdateRequest();
    req.parse(node);
    JsonNode x = node.get("query");
    if (x != null) {
      req.query = QueryExpression.fromJson(x);
    }
    x = node.get("update");
    if (x != null) {
      req.updateExpression = UpdateExpression.fromJson(x);
    }
    x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    return req;
  }
}

/**
 * Parses a find request from a json object. Unrecognized elements are
 * ignored.
 */
public void fromJson(ObjectNode node) {
  JsonNode x = node.get("query");
  if (x != null) {
    query = QueryExpression.fromJson(x);
  }
  x = node.get("projection");
  if (x != null) {
    projection = Projection.fromJson(x);
  }
  x = node.get("sort");
  if (x != null) {
    sort = Sort.fromJson(x);
  }
  Range r = WithRange.fromJson(node);
  setFrom(r.from);
  setTo(r.to);
}

/**
 * Parses a find request from a json object. Unrecognized elements are
 * ignored.
 */
public void fromJson(ObjectNode node) {
  JsonNode x = node.get("query");
  if (x != null) {
    query = QueryExpression.fromJson(x);
  }
  x = node.get("projection");
  if (x != null) {
    projection = Projection.fromJson(x);
  }
  x = node.get("sort");
  if (x != null) {
    sort = Sort.fromJson(x);
  }
  Range r = WithRange.fromJson(node);
  setFrom(r.from);
  setTo(r.to);
}

  /**
   * Parses a save request from a JSON object
   */
  public static SaveRequest fromJson(ObjectNode node) {
    SaveRequest req = new SaveRequest();
    req.parse(node);
    JsonNode x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    x = node.get("upsert");
    if (x != null) {
      req.upsert = x.asBoolean();
    }
    WithIfCurrent.fromJson(req,node);
    Range r = WithRange.fromJson(node);
    req.setFrom(r.from);
    req.setTo(r.to);
    return req;
  }
}

  /**
   * Parses a save request from a JSON object
   */
  public static SaveRequest fromJson(ObjectNode node) {
    SaveRequest req = new SaveRequest();
    req.parse(node);
    JsonNode x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    x = node.get("upsert");
    if (x != null) {
      req.upsert = x.asBoolean();
    }
    WithIfCurrent.fromJson(req,node);
    Range r = WithRange.fromJson(node);
    req.setFrom(r.from);
    req.setTo(r.to);
    return req;
  }
}

  /**
   * Parses an insertion request from a json object. Unrecognized elements are
   * ignored.
   */
  public static InsertionRequest fromJson(ObjectNode node) {
    InsertionRequest req = new InsertionRequest();
    req.parse(node);
    JsonNode x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    Range r = WithRange.fromJson(node);
    req.setFrom(r.from);
    req.setTo(r.to);
    return req;
  }
}

  /**
   * Parses an insertion request from a json object. Unrecognized elements are
   * ignored.
   */
  public static InsertionRequest fromJson(ObjectNode node) {
    InsertionRequest req = new InsertionRequest();
    req.parse(node);
    JsonNode x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    Range r = WithRange.fromJson(node);
    req.setFrom(r.from);
    req.setTo(r.to);
    return req;
  }
}

  /**
   * Parses an update request from a Json object
   */
  public static UpdateRequest fromJson(ObjectNode node) {
    UpdateRequest req = new UpdateRequest();
    req.parse(node);
    JsonNode x = node.get("query");
    if (x != null) {
      req.query = QueryExpression.fromJson(x);
    }
    x = node.get("update");
    if (x != null) {
      req.updateExpression = UpdateExpression.fromJson(x);
    }
    x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    WithIfCurrent.fromJson(req,node);
    Range r = WithRange.fromJson(node);
    req.setFrom(r.from);
    req.setTo(r.to);
    return req;
  }
}

  /**
   * Parses an update request from a Json object
   */
  public static UpdateRequest fromJson(ObjectNode node) {
    UpdateRequest req = new UpdateRequest();
    req.parse(node);
    JsonNode x = node.get("query");
    if (x != null) {
      req.query = QueryExpression.fromJson(x);
    }
    x = node.get("update");
    if (x != null) {
      req.updateExpression = UpdateExpression.fromJson(x);
    }
    x = node.get("projection");
    if (x != null) {
      req.returnFields = Projection.fromJson(x);
    }
    WithIfCurrent.fromJson(req,node);
    Range r = WithRange.fromJson(node);
    req.setFrom(r.from);
    req.setTo(r.to);
    return req;
  }
}

if(node instanceof ArrayNode||
  node instanceof ObjectNode) {
  request.setProjection(Projection.fromJson(applyParameters(node,parameterValues)));
} else if(node instanceof TextNode) {
  request.setProjection(Projection.fromJson(JsonUtils.json(applyParameters(node.asText(),parameterValues))));

if(node instanceof ArrayNode||
  node instanceof ObjectNode) {
  request.setProjection(Projection.fromJson(applyParameters(node,parameterValues)));
} else if(node instanceof TextNode) {
  request.setProjection(Projection.fromJson(JsonUtils.json(applyParameters(node.asText(),parameterValues))));