EnumToStringMapper.java example

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/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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.keycloak.connections.mongo.impl.types;

import org.keycloak.connections.mongo.api.types.Mapper;
import org.keycloak.connections.mongo.api.types.MapperContext;

/**
 * @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
 */
public class EnumToStringMapper implements Mapper<Enum, String> {

    @Override
    public String convertObject(MapperContext<Enum, String> context) {
        Enum objectToConvert = context.getObjectToConvert();

        return objectToConvert.toString();
    }

    @Override
    public Class<? extends Enum> getTypeOfObjectToConvert() {
        return Enum.class;
    }

    @Override
    public Class<String> getExpectedReturnType() {
        return String.class;
    }
}