1 import java.io.BufferedOutputStream;
2 import java.io.File;
3 import java.io.FileNotFoundException;
4 import java.io.FileOutputStream;
5 import java.io.IOException;
6 import java.io.ObjectOutputStream;
7
8 import edu.umd.cs.findbugs.annotations.ExpectWarning;
9
10
11 public class AppendingToAnObjectOutputStream {
12
13 @ExpectWarning("IO")
14 public static void appendObject1(File f, Object o) throws FileNotFoundException, IOException {
15 ObjectOutputStream out = new ObjectOutputStream (new FileOutputStream(f, true));
16 out.writeObject(o);
17 out.close();
18 }
19 @ExpectWarning("IO")
20 public static void appendObject2(File f, Object o) throws FileNotFoundException, IOException {
21 ObjectOutputStream out = new ObjectOutputStream (new BufferedOutputStream(new FileOutputStream(f, true)));
22 out.writeObject(o);
23 out.close();
24 }
25 @ExpectWarning("IO")
26 public static void appendObject3(String f, Object o) throws FileNotFoundException, IOException {
27 ObjectOutputStream out = new ObjectOutputStream (new FileOutputStream(f, true));
28 out.writeObject(o);
29 out.close();
30 }
31 @ExpectWarning("IO")
32 public static void appendObject4(String f, Object o) throws FileNotFoundException, IOException {
33 ObjectOutputStream out = new ObjectOutputStream (new BufferedOutputStream(new FileOutputStream(f, true)));
34 out.writeObject(o);
35 out.close();
36 }
37 }