JavaでInputStreamをStringに変換する方法

package com.mkyong.core;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class InputStreamToStringExample {

    public static void main(String[]args) throws IOException {

       //intilize an InputStream
        InputStream is =
                     new ByteArrayInputStream("file content..blah blah".getBytes());

        String result = getStringFromInputStream(is);

        System.out.println(result);
        System.out.println("Done");

    }

   //convert InputStream to String
    private static String getStringFromInputStream(InputStream is) {

        BufferedReader br = null;
        StringBuilder sb = new StringBuilder();

        String line;
        try {

            br = new BufferedReader(new InputStreamReader(is));
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }

        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        return sb.toString();

    }

}

file content..blah blah
Done