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1 package com.tirsen.nanning.samples.rmi;
2
3 import java.io.IOException  ;
4 import java.io.ObjectInputStream ;
5 import java.io.ObjectOutputStream ;
6
7 import com.tirsen.nanning.samples.prevayler.Marshaller;
8
9 public class Naming {
10 private Marshaller marshaller;
11 private ServerConnectionManager connectionManager;
12
13 public Naming(Marshaller marshaller, ServerConnectionManager connectionManager) {
14 this.marshaller = marshaller;
15 this.connectionManager = connectionManager;
16 }
17
18 public Object lookup(String name) throws IOException , ClassNotFoundException {
19
20 ServerConnection serverConnection;
21 try {
22 serverConnection = connectionManager.openConnection();
23 } catch (IOException e) {
24 throw new CouldNotConnectException(e);
25 }
26 try {
27 ObjectOutputStream output;
28 try {
29 output = new ObjectOutputStream (serverConnection.getOutputStream());
30 } catch (IOException e) {
31 throw new CouldNotConnectException(e);
32 }
33 output.writeObject(new NamingLookup(name));
34 ObjectInputStream input;
35 try {
36 input = new ObjectInputStream (serverConnection.getInputStream());
37 } catch (IOException e) {
38 throw new CommunicationException(e);
39 }
40 return marshaller.unmarshal(input.readObject());
41 } finally {
42 serverConnection.close();
43 }
44 }
45 }
46 |
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