1 package sharin.util; 2 3 import java.io.IOException; 4 import java.io.InputStream; 5 import java.io.Reader; 6 import java.io.Writer; 7 8 public class IoUtils { 9 10 public static int read(Reader reader) { 11 12 try { 13 return reader.read(); 14 15 } catch (IOException e) { 16 throw new RuntimeException(e); 17 } 18 } 19 20 public static void write(Writer writer, String str) { 21 22 try { 23 writer.write(str); 24 25 } catch (IOException e) { 26 throw new RuntimeException(e); 27 } 28 } 29 30 public static void close(InputStream in) { 31 32 try { 33 in.close(); 34 35 } catch (IOException e) { 36 throw new RuntimeException(e); 37 } 38 } 39 }