com.abiquo.model.adapter.PluginOperationsJsonAdapter Maven / Gradle / Ivy

/**
 * Copyright (C) 2008 Abiquo Holdings S.L.
 *
 * Licensed 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
 *
 *     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 com.abiquo.model.adapter;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.ObjectCodec;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;

public class PluginOperationsJsonAdapter
    extends JsonDeserializer>>>
{
    @Override
    public Map>> deserialize(final JsonParser jp,
        final DeserializationContext ctxt) throws IOException, JsonProcessingException
    {
        Map>> operations = new HashMap<>();

        ObjectCodec oc = jp.getCodec();
        JsonNode node = oc.readTree(jp);

        Iterator> fields = node.fields();
        while (fields.hasNext())
        {
            Entry entry = fields.next();
            operations.put(entry.getKey(), deserializePluginInterface(entry.getValue()));
        }

        return operations;
    }

    private Map> deserializePluginInterface(final JsonNode node)
    {
        Map> interfaceOperations = new HashMap<>();

        Iterator> fields = node.fields();
        while (fields.hasNext())
        {
            Entry entry = fields.next();
            interfaceOperations.put(entry.getKey(), deserializeSupportedMethod(entry.getValue()));
        }

        return interfaceOperations;
    }

    private List deserializeSupportedMethod(final JsonNode node)
    {
        List supportedRegions = new ArrayList<>();

        Iterator values = node.elements();
        while (values.hasNext())
        {
            supportedRegions.add(values.next().asText());
        }

        return supportedRegions;
    }

}