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1 package com.ubermq.jms.server.journal.impl;
2
3 import java.beans.*;
4 import java.io.*;
5 import java.util.*;
6
7 import com.ubermq.jms.server.ServerConfig;
8 import com.ubermq.jms.server.journal.ISettingsRepository;
9 import com.ubermq.kernel.Configurator;
10 import sun.security.krb5.internal.crypto.d;
11
12
16 public class XMLSettingsRepository implements ISettingsRepository
17 {
18 private static final org.apache.log4j.Logger log = org.apache.log4j.Logger.getLogger(XMLSettingsRepository.class);
19
20 private Map entries;
21 private String  name;
22
23 public XMLSettingsRepository(String fileName)
24 throws java.io.FileNotFoundException , java.io.IOException
25 {
26 entries = new HashMap();
27 name = fileName;
28 restore();
29 }
30
31 public XMLSettingsRepository()
32 throws java.io.FileNotFoundException , java.io.IOException
33 {
34 this(Configurator.getProperty(ServerConfig.LOG_FILE));
35 }
36
37 public void put(Object key, Object value)
38 {
39 entries.put(key, value);
40 flush();
41 }
42
43 public Object get(Object key)
44 {
45 restore();
46 return entries.get(key);
47 }
48
49 private synchronized void flush()
50 {
51 try
52 {
53 XMLEncoder e = new XMLEncoder(new FileOutputStream(name));
54 e.writeObject(entries);
55 e.flush();
56 }
57 catch (java.io.IOException e)
58 {
59 log.error("", e);
60 }
61 }
62
63 private synchronized void restore()
64 {
65 try
66 {
67 XMLDecoder d = new XMLDecoder(new FileInputStream(name));
68 entries = (Map)d.readObject();
69 }
70 catch (FileNotFoundException f) {
71 entries = new HashMap();
72 }
73 catch (Exception e) {
74 log.error("", e);
75 }
76 }
77 }
78 |
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