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/*-
 * ============LICENSE_START=======================================================
 * Ran Simulator Controller
 * ================================================================================
 * Copyright (C) 2020 Wipro Limited.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.ransim.rest.config;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Properties;

import javax.annotation.PostConstruct;
import javax.servlet.MultipartConfigElement;

import org.apache.log4j.Logger;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration
@EnableSwagger2
@ComponentScan(basePackages = { "org.onap.*", "com.*" })
public class RansimRestConfig {
	private static final Logger log = Logger.getLogger(RansimRestConfig.class);

	/**
	 * init.
	 */
	@PostConstruct
	public void init() {
		Properties prop = new Properties();
		try (InputStream input = new FileInputStream("rs.properties")) {
			// load a properties file
			prop.load(input);
		} catch (Exception e) {
			log.error("Exception Occured while loading properties file : {} ", e);
		}
	}

	private ApiInfo apiInfo() {
		return new ApiInfoBuilder().title("Ran Simulator Controller REST API")
				.description("This API helps to make queries against Ran Simulator Controller").version("3.0").build();
	}

	/**
	 * ransimappApi .
	 *
	 * @return returns api info
	 */
	@Bean
	public Docket ransimappApi() {
		return new Docket(DocumentationType.SWAGGER_2).select()
				.apis(RequestHandlerSelectors.basePackage("org.onap.ransim.rest.api")).paths(PathSelectors.any())
				.build().apiInfo(apiInfo());
	}

	/**
	 * MultipartConfigElement.
	 *
	 * @return returns MultipartConfigElement
	 */
	@Bean
	public MultipartConfigElement multipartConfigElement() {
		String location = System.getProperty("java.io.tmpdir");
		return new MultipartConfigElement(location);
	}

}