import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class StreamUtil {
    public static String inputStream2String(InputStream is) throws IOException {
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        int                   i;
        while ((i = is.read()) != -1) {
            byteArrayOutputStream.write(i);
        }
        return byteArrayOutputStream.toString();
    }
}