it.cnr.iit.jscontact.tools.dto.serializers.VCardParamsSerializer Maven / Gradle / Ivy

Go to download
/*
 *    Copyright (C) 2020  Consiglio Nazionale delle Ricerche
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Affero General Public License as
 *     published by the Free Software Foundation, either version 3 of the
 *     License, or (at your option) any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Affero General Public License for more details.
 *
 *     You should have received a copy of the GNU Affero General Public License
 *     along with this program.  If not, see .
 */
package it.cnr.iit.jscontact.tools.dto.serializers;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import it.cnr.iit.jscontact.tools.dto.VCardParam;
import lombok.NoArgsConstructor;

import java.io.IOException;
import java.util.Map;

/**
 * Custom JSON serializer for the "vCardParams" map.
 *
 * @author Mario Loffredo
 */
@NoArgsConstructor
public class VCardParamsSerializer extends JsonSerializer> {

    @Override
    public void serialize(
            Map vCardParams, JsonGenerator jgen, SerializerProvider provider)
            throws IOException {

        jgen.writeStartObject();
        for (Map.Entry entry : vCardParams.entrySet()) {
            if (entry.getValue().getValues()!=null) {
                jgen.writeFieldName(entry.getKey());
                jgen.writeStartArray();
                for(String value : entry.getValue().getValues())
                    jgen.writeString(value);
                jgen.writeEndArray();
            }
            else
                jgen.writeStringField(entry.getKey(), entry.getValue().getValue());
        }
        jgen.writeEndObject();
    }
}