com.trenako.repositories.mongo.MongoSearchCriteria.java Source code

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Here is the source code for com.trenako.repositories.mongo.MongoSearchCriteria.java

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/*
 * Copyright 2012 the original author or authors.
 * 
 * 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.trenako.repositories.mongo;

import org.springframework.data.mongodb.core.query.Criteria;

import com.trenako.criteria.SearchCriteria;
import com.trenako.utility.Cat;

/**
 * It converts a {@link SearchCriteria} object to MongoDB criteria.
 *
 * @author Carlo Micieli
 */
public final class MongoSearchCriteria {

    private MongoSearchCriteria() {
    }

    /**
     * Builds a MongoDB criteria for the provided {@code SearchCriteria}.
     *
     * @param sc the search criteria
     * @return a MongoDB criteria
     */
    public static Criteria buildCriteria(SearchCriteria sc) {
        Criteria c = new Criteria();

        if (sc.hasBrand()) {
            c.and("brand.slug").is(sc.getBrand());
        }

        if (sc.hasEra()) {
            c.and("era").is(sc.getEra());
        }

        if (sc.hasRailway()) {
            c.and("railway.slug").is(sc.getRailway());
        }

        if (sc.hasScale()) {
            c.and("scale.slug").is(sc.getScale());
        }

        if (sc.hasCat()) {
            Cat cat = Cat.parseString(sc.getCat());
            c.and("category").is(cat.category()).and("powerMethod").is(cat.powerMethod());
        }

        if (!sc.hasCat() && sc.hasPowerMethod()) {
            c.and("powerMethod").is(sc.getPowerMethod());
        }

        if (!sc.hasCat() && sc.hasCategory()) {
            c.and("category").is(sc.getCategory());
        }

        return c;
    }
}