MetadictJacksonModule.java

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Jakob Hendeß
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.xlrnet.metadict.web.middleware.jackson;

import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializationConfig;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.BeanSerializerModifier;
import com.fasterxml.jackson.databind.ser.std.BeanSerializerBase;

/**
 * Custom Jackson Module for adding an additional representation string to instances of {@link
 * org.xlrnet.metadict.api.query.DictionaryObject}.
 */
public class MetadictJacksonModule extends SimpleModule {

    @Override
    public void setupModule(SetupContext context) {
        super.setupModule(context);

        context.addBeanSerializerModifier(new BeanSerializerModifier() {

            public JsonSerializer<?> modifySerializer(
                    SerializationConfig config,
                    BeanDescription beanDesc,
                    JsonSerializer<?> serializer) {
                if (serializer instanceof BeanSerializerBase) {
                    return new DictionaryObjectSerializer(
                            (BeanSerializerBase) serializer);
                }
                return serializer;
            }
        });
    }

}