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SQL Server implementation of the reactive repository interface in core project

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/*
 * Copyright 2018 Zuunr AB
 *
 * 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.zuunr.restbed.repository.sqlserver.util;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.zuunr.restbed.core.exchange.Request;
import com.zuunr.restbed.repository.sqlserver.config.Config;

/**
 * The CollectionNameProvider is responsible for retrieving the 
 * collection name of any given request.
 * 
 * @author Mikael Ahlberg
 */
@Component
public class CollectionNameProvider {

    private static final String PREFIX_DELIMITER = "-";

    private Config config;

    @Autowired
    public CollectionNameProvider(Config config) {
        this.config = config;
    }

    /**
     * Returns the collection name for this request.
     * 
     * Collection names are prefixed with their api name if set in {@link Config}.
     * 
     * @param request is used to determine the collection
     * @return the collection name
     */
    public String getCollectionName(Request request) {
        if (config.isPrefixCollectionWithApiName()) {
            return request.getApiUriInfo().apiName() + PREFIX_DELIMITER + request.getApiUriInfo().collectionName();
        }

        return request.getApiUriInfo().collectionName();
    }
}