1 |
+ |
/* |
2 |
+ |
* i-scream central monitoring system |
3 |
+ |
* http://www.i-scream.org |
4 |
+ |
* Copyright (C) 2000-2002 i-scream |
5 |
+ |
* |
6 |
+ |
* This program is free software; you can redistribute it and/or |
7 |
+ |
* modify it under the terms of the GNU General Public License |
8 |
+ |
* as published by the Free Software Foundation; either version 2 |
9 |
+ |
* of the License, or (at your option) any later version. |
10 |
+ |
* |
11 |
+ |
* This program is distributed in the hope that it will be useful, |
12 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
+ |
* GNU General Public License for more details. |
15 |
+ |
* |
16 |
+ |
* You should have received a copy of the GNU General Public License |
17 |
+ |
* along with this program; if not, write to the Free Software |
18 |
+ |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
19 |
+ |
*/ |
20 |
+ |
|
21 |
|
//---PACKAGE DECLARATION--- |
22 |
+ |
package uk.org.iscream.cms.server.core; |
23 |
|
|
24 |
|
//---IMPORTS--- |
25 |
< |
import uk.ac.ukc.iscream.core.*; |
26 |
< |
import java.util.*; |
27 |
< |
import java.io.*; |
25 |
> |
import uk.org.iscream.cms.util.*; |
26 |
> |
import uk.org.iscream.cms.server.componentmanager.*; |
27 |
> |
import java.util.Properties; |
28 |
> |
import java.util.Date; |
29 |
> |
import java.text.DateFormat; |
30 |
|
|
31 |
|
/** |
32 |
|
* An implementation of the Configuration IDL |
34 |
|
* set their configuration from a central location. |
35 |
|
* |
36 |
|
* When classes want their configuration, they contact |
37 |
< |
* the Configurator, which will locate their config, |
37 |
> |
* the ConfigurationManager, which will locate their config, |
38 |
|
* open it and pass it to a Configuration object which is |
39 |
|
* then passed back to the calling class. |
40 |
|
* |
59 |
|
|
60 |
|
/** |
61 |
|
* Creates a new ConfigurationServant taking a hook |
62 |
< |
* to a file containing the configuration. |
62 |
> |
* to a Properties object containing the configuration. |
63 |
|
* |
64 |
< |
* @param propertiesStream an InputStream connected to the configuration |
64 |
> |
* @param properties a Properties object that contains the full properties for this configuration |
65 |
> |
* @param fileList the list of config files used to build this configuration |
66 |
> |
* @param lastModified the most recent last modified value for the file list |
67 |
> |
* @param logRef a reference to the logger system |
68 |
|
*/ |
69 |
< |
ConfigurationServant(File configurationFile, Logger logRef) { |
70 |
< |
_lastModified = configurationFile.lastModified(); |
71 |
< |
|
72 |
< |
_logRef = logRef; |
73 |
< |
_logRef.write(this.toString(), "created - last modified:" + getLastModified()); |
74 |
< |
|
75 |
< |
try { |
76 |
< |
InputStream configurationStream = new FileInputStream(configurationFile); |
77 |
< |
_properties.load(configurationStream); |
52 |
< |
} catch (Exception e) { |
53 |
< |
// **************************************** |
54 |
< |
// either IOException from the .load() or |
55 |
< |
// a SecurityException or FileNotFoundException from |
56 |
< |
// the inputStream, not sure what to do yet!!! |
57 |
< |
} |
69 |
> |
ConfigurationServant(Properties properties, String fileList, long lastModified) { |
70 |
> |
// assign local variables |
71 |
> |
_properties = properties; |
72 |
> |
_lastModified = lastModified; |
73 |
> |
_fileList = fileList; |
74 |
> |
_logger.write(toString(), Logger.SYSINIT, "created"); |
75 |
> |
String date = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(getLastModified())); |
76 |
> |
_logger.write(toString(), Logger.SYSMSG, "last modified - " + date); |
77 |
> |
_logger.write(toString(), Logger.DEBUG, "file list - " + _fileList); |
78 |
|
} |
79 |
|
|
80 |
|
//---PUBLIC METHODS--- |
94 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
95 |
|
* method to provide clean logging (every class should have this). |
96 |
|
* |
97 |
+ |
* This uses the uk.org.iscream.cms.util.FormatName class |
98 |
+ |
* to format the toString() |
99 |
+ |
* |
100 |
|
* @return the name of this class and its CVS revision |
101 |
|
*/ |
102 |
|
public String toString() { |
103 |
< |
return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
103 |
> |
return FormatName.getName( |
104 |
> |
_name, |
105 |
> |
getClass().getName(), |
106 |
> |
REVISION); |
107 |
|
} |
108 |
+ |
|
109 |
+ |
/** |
110 |
+ |
* Unhooks this Configuration object from the ORB |
111 |
+ |
*/ |
112 |
+ |
public void disconnect() { |
113 |
+ |
try { |
114 |
+ |
byte[] oid = _refman.getRootPOA().servant_to_id(this); |
115 |
+ |
_refman.getRootPOA().deactivate_object(oid); |
116 |
+ |
} catch(Exception e) { |
117 |
+ |
_logger.write(this.toString(), Logger.ERROR, "disconnect failed: "+e); |
118 |
+ |
} |
119 |
+ |
} |
120 |
+ |
|
121 |
|
|
122 |
|
//---PRIVATE METHODS--- |
123 |
|
|
124 |
+ |
/** |
125 |
+ |
* Overridden for debugging purposes |
126 |
+ |
* to see when an instance of this class |
127 |
+ |
* is destroyed |
128 |
+ |
*/ |
129 |
+ |
protected void finalize() throws Throwable { |
130 |
+ |
_logger.write(this.toString(), Logger.DEBUG, "finalized"); |
131 |
+ |
} |
132 |
+ |
|
133 |
|
//---ACCESSOR/MUTATOR METHODS--- |
134 |
|
|
135 |
|
/** |
142 |
|
return _lastModified; |
143 |
|
} |
144 |
|
|
145 |
+ |
/** |
146 |
+ |
* Returns the list of files used to build the Properties |
147 |
+ |
* this object is using. |
148 |
+ |
* |
149 |
+ |
* @return the list of files |
150 |
+ |
*/ |
151 |
+ |
public String getFileList() { |
152 |
+ |
return _fileList; |
153 |
+ |
} |
154 |
+ |
|
155 |
|
//---ATTRIBUTES--- |
156 |
|
|
157 |
|
/** |
160 |
|
private Properties _properties = new Properties(); |
161 |
|
|
162 |
|
/** |
163 |
< |
* Reference to a Logger |
163 |
> |
* This holds a reference to the |
164 |
> |
* system logger that is being used. |
165 |
|
*/ |
166 |
< |
private Logger _logRef; |
166 |
> |
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
167 |
|
|
168 |
|
/** |
169 |
+ |
* A reference to the reference manager in use |
170 |
+ |
*/ |
171 |
+ |
private ReferenceManager _refman = ReferenceManager.getInstance(); |
172 |
+ |
|
173 |
+ |
/** |
174 |
+ |
* This is the friendly identifier of the |
175 |
+ |
* component this class is running in. |
176 |
+ |
* eg, a Filter may be called "filter1", |
177 |
+ |
* If this class does not have an owning |
178 |
+ |
* component, a name from the configuration |
179 |
+ |
* can be placed here. This name could also |
180 |
+ |
* be changed to null for utility classes. |
181 |
+ |
*/ |
182 |
+ |
private String _name = Core.NAME; |
183 |
+ |
|
184 |
+ |
/** |
185 |
|
* The date stamp of the configuration file |
186 |
|
* this object is using |
187 |
|
*/ |
188 |
|
private long _lastModified; |
189 |
+ |
|
190 |
+ |
/** |
191 |
+ |
* The list of files that were used to build this configuration |
192 |
+ |
*/ |
193 |
+ |
private String _fileList; |
194 |
|
|
195 |
|
//---STATIC ATTRIBUTES--- |
196 |
|
|