org.apereo.portal.dao.usertype.StatisticsJacksonColumnMapper.java Source code

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Here is the source code for org.apereo.portal.dao.usertype.StatisticsJacksonColumnMapper.java

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/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo licenses this file to you 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 the following location:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.apereo.portal.dao.usertype;

import org.apache.commons.math3.stat.descriptive.UnivariateStatistic;

import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.JsonFilter;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.ser.FilterProvider;
import com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter;
import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;

/**
 * Used for mapping instances of {@link UnivariateStatistic} to/from JSON
 * 
 * @author Eric Dalquist
 */
public class StatisticsJacksonColumnMapper extends JacksonColumnMapper {
    private static final long serialVersionUID = 1L;
    private FilterProvider filters;

    @Override
    protected void customizeObjectMapper(ObjectMapper mapper) {
        //Just operate on fields
        mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
        mapper.setVisibility(PropertyAccessor.GETTER, Visibility.NONE);
        mapper.setVisibility(PropertyAccessor.IS_GETTER, Visibility.NONE);
        mapper.setVisibility(PropertyAccessor.SETTER, Visibility.NONE);
        mapper.setVisibility(PropertyAccessor.CREATOR, Visibility.NONE);

        //Ignore the empty storedData field in all of the stat summary objects
        filters = new SimpleFilterProvider().addFilter(StoredDataFilterMixIn.FILTER_NAME,
                SimpleBeanPropertyFilter.serializeAllExcept("storedData"));
        mapper.addMixInAnnotations(Object.class, StoredDataFilterMixIn.class);
    }

    @JsonFilter(StoredDataFilterMixIn.FILTER_NAME)
    private interface StoredDataFilterMixIn {
        static final String FILTER_NAME = "storedDataFilter";
    }

    @Override
    protected ObjectWriter createObjectWriter(ObjectMapper mapper) {
        return mapper.writer(filters);
    }

}