SeaLevel/SeaLevel.java at main · jiseunghwan/SeaLevel · GitHub

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package HadoopProject;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Scanner;

import org.apache.hadoop.fs.FsUrlStreamHandlerFactory;
import org.apache.hadoop.io.IOUtils;

public class SeaLevel {
	static {
		URL.setURLStreamHandlerFactory(new FsUrlStreamHandlerFactory());
	}
	public static void main(String[] args) throws MalformedURLException, IOException {
		// TODO Auto-generated method stub

		InputStream in = null;

		while (true){

			System.out.println("----------------------------");
			System.out.println("1901 ~ 1950년 해수면 지표");
			System.out.println("1. 년도별 최고해수면");
			System.out.println("2. 년도별 최저해수면");
			System.out.println("3. 평균 해수면");
			System.out.println("4. 프로그램 종료");
			System.out.println("----------------------------");
			System.out.println(">");

			Scanner sc = new Scanner(System.in);
			int choice = sc.nextInt();

			if (choice == 1 ) {

				String str = "http://192.168.204.128:50070/webhdfs/v1/HighSeaLevel?op=OPEN";

	               try {

	                  in = new URL(str).openStream();
	                  IOUtils.copyBytes(in, System.out, 4096, false);
	                  }
	                  finally {
	                     IOUtils.closeStream(in);
	                  }

			}
			else if (choice == 2) {

				String str1 = "http://192.168.204.128:50070/webhdfs/v1/LowSeaLevel?op=OPEN";

	            try {

	               in = new URL(str1).openStream();
	               IOUtils.copyBytes(in, System.out, 4096, false);
	               }
	                  finally {
	                     IOUtils.closeStream(in);
	                  }


			}

			else if (choice == 3) {

				String str2 = "http://192.168.204.128:50070/webhdfs/v1/balance?op=OPEN";

	            try {

	               in = new URL(str2).openStream();
	               IOUtils.copyBytes(in, System.out, 4096, false);
	               }
	                  finally {
	                     IOUtils.closeStream(in);
	                  }


			}

			else if (choice == 4) {

				 System.out.println("프로그램 종료");
		            System.out.println("안녕히계세요.");
		            System.exit(0);

			}

			else {
				System.out.println("다시 입력해주세요.");
			}
		}

	}
}