org.openremote.server.util.JsonUtil.java Source code

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Here is the source code for org.openremote.server.util.JsonUtil.java

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/*
 * Copyright 2015, OpenRemote Inc.
 *
 * See the CONTRIBUTORS.txt file in the distribution for a
 * full listing of individual contributors.
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

package org.openremote.server.util;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;

// Use this _everywhere_ so we consume/produce the same JSON
public class JsonUtil {

    public static ObjectMapper configure(ObjectMapper objectMapper) {
        objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL)
                .configure(SerializationFeature.WRITE_NULL_MAP_VALUES, false)
                .configure(SerializationFeature.WRITE_EMPTY_JSON_ARRAYS, false)
                .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
                .setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY)
                .setVisibility(PropertyAccessor.GETTER, JsonAutoDetect.Visibility.NONE)
                .setVisibility(PropertyAccessor.SETTER, JsonAutoDetect.Visibility.NONE)
                .setVisibility(PropertyAccessor.IS_GETTER, JsonAutoDetect.Visibility.NONE)
                .setVisibility(PropertyAccessor.CREATOR, JsonAutoDetect.Visibility.NONE);

        // Debugging
        // objectMapper.enable(SerializationFeature.INDENT_OUTPUT);

        return objectMapper;
    }

    public static final ObjectMapper JSON = configure(new ObjectMapper());

}