dk.clanie.bitcoin.json.JsonExtra.java Source code

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Here is the source code for dk.clanie.bitcoin.json.JsonExtra.java

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/**
 * Copyright (C) 2013, Claus Nielsen, cn@cn-consult.dk
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package dk.clanie.bitcoin.json;

import static dk.clanie.collections.CollectionFactory.newHashMap;

import java.util.Collections;
import java.util.Map;

import org.springframework.roo.addon.javabean.RooJavaBean;

import com.fasterxml.jackson.annotation.JsonAnyGetter;
import com.fasterxml.jackson.annotation.JsonAnySetter;

import dk.clanie.core.BaseClass;

/**
 * "MixIn" adding an otherFields map for json fields not explicitly mapped.
 * 
 * @author Claus Nielsen
 */
@SuppressWarnings("serial")
@RooJavaBean(settersByDefault = false)
public abstract class JsonExtra extends BaseClass {

    private Map<String, Object> otherFields = newHashMap();

    /**
     * Sets name and value of other (unknown) JSON fields.
     * 
     * @param field
     * @param value
     */
    @JsonAnySetter
    @SuppressWarnings("unused") // Is used by Jackson
    private void set(String field, Object value) {
        otherFields.put(field, value);
    }

    /**
     * Gets names and values of all other (unknown) JSON fields.
     * 
     * @return Names and values of other fields available. 
     */
    @JsonAnyGetter
    public Map<String, Object> getOtherFields() {
        return Collections.unmodifiableMap(otherFields);
    }

}