com.evrythng.java.wrapper.mapping.ActionsDeserializer.java Source code

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Here is the source code for com.evrythng.java.wrapper.mapping.ActionsDeserializer.java

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/*
 * (c) Copyright Reserved EVRYTHNG Limited 2016. All rights reserved.
 * Use of this material is subject to license.
 * Copying and unauthorised use of this material strictly prohibited.
 */
package com.evrythng.java.wrapper.mapping;

import com.evrythng.java.wrapper.util.JSONUtils;
import com.evrythng.thng.resource.model.store.action.Actions;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;

import java.io.IOException;

/**
* Base class for deserializers with a type map.
*/
public final class ActionsDeserializer extends Deserializer<Actions> {

    private static final long serialVersionUID = 154194441824112030L;

    private static final class ActionsImpl extends Actions {

        private static final long serialVersionUID = 7999055054999253850L;
    }

    public ActionsDeserializer() {

        super(Actions.class);
    }

    @Override
    public Actions deserialize(final JsonParser jp, final DeserializationContext ctxt) throws IOException {

        ObjectMapper mapper = JSONUtils.OBJECT_MAPPER;
        JsonNode node = mapper.readTree(jp);
        if (node.isArray()) {
            return mapper.readValue(node.toString(), ActionsImpl.class);
        } else {
            ArrayNode array = mapper.createArrayNode();
            array.add(node);
            return mapper.readValue(array.toString(), ActionsImpl.class);
        }
    }
}