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/*
 * ==========================================================================
 * Copyright (C) 2019-2022 HCL America, Inc. ( http://www.hcl.com/ )
 *                            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.  You may obtain a
 * copy of the License at .
 *
 * 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 com.hcl.domino.jnx.vertx.json.deserializer;

import java.io.IOException;
import java.util.Iterator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.hcl.domino.commons.data.DefaultDominoDateRange;
import com.hcl.domino.commons.data.DefaultDominoDateTime;
import com.hcl.domino.commons.json.JsonUtil;
import com.hcl.domino.data.DominoDateRange;

public class DominoDateRangeDeserializer extends StdDeserializer {
  private static final long serialVersionUID = 1L;
  private static final String RANGE_SEPARATOR = "/";

  public DominoDateRangeDeserializer(Class vc) {
    super(vc);
  }

  @Override
  public DominoDateRange deserialize(JsonParser p, DeserializationContext ctxt)
      throws IOException, JsonProcessingException {
    JsonNode node = p.getCodec().readTree(p);
    Iterator fnames = node.fieldNames();
    String dStr = node.get(fnames.next()).asText();
    int rangeSeparator = dStr.indexOf(RANGE_SEPARATOR);
    if (rangeSeparator < 0)
      return null;
    else {
      String d1 = dStr.substring(0, rangeSeparator);
      String d2 = dStr.substring(rangeSeparator+1);
      DefaultDominoDateTime date1 = DefaultDominoDateTime.from(JsonUtil.tryDateTime(d1));
      DefaultDominoDateTime date2 = DefaultDominoDateTime.from(JsonUtil.tryDateTime(d2));
      return new DefaultDominoDateRange(date1, date2);
    }
  }

}