org.tiogasolutions.jobs.jackson.JobActionJacksonResolver.java Source code

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Here is the source code for org.tiogasolutions.jobs.jackson.JobActionJacksonResolver.java

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/*
 * Copyright (c) 2014 Jacob D. Parr
 *
 * 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 org.tiogasolutions.jobs.jackson;

import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.databind.DatabindContext;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.jsontype.TypeIdResolver;
import com.fasterxml.jackson.databind.type.TypeFactory;
import org.tiogasolutions.jobs.pub.ActionType;
import org.tiogasolutions.jobs.pub.JobAction;

public class JobActionJacksonResolver implements TypeIdResolver {

    @Override
    public void init(JavaType baseType) {
    }

    @Override
    public String idFromValue(Object value) {
        JobAction action = (JobAction) value;
        return action.getActionType().name();
    }

    @Override
    public String idFromValueAndType(Object value, Class<?> suggestedType) {
        JobAction action = (JobAction) value;
        return action.getActionType().name();
    }

    @Override
    public String idFromBaseType() {
        throw new UnsupportedOperationException();
    }

    @Override
    @Deprecated
    public JavaType typeFromId(String id) {
        return typeFromId(null, id);
    }

    @Override
    public JavaType typeFromId(DatabindContext context, String id) {

        ActionType actionType = ActionType.valueOf(id);

        try {
            Class type = Class.forName(actionType.getTypeName());
            return TypeFactory.defaultInstance().uncheckedSimpleType(type);

        } catch (ClassNotFoundException e) {
            String msg = String.format("The action type %s's implementing type %s was not found", actionType,
                    actionType.getTypeName());
            throw new UnsupportedOperationException(msg);
        }
    }

    @Override
    public JsonTypeInfo.Id getMechanism() {
        return JsonTypeInfo.Id.CUSTOM;
    }
}