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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/core/ConfigurationServant.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/core/ConfigurationServant.java (file contents):
Revision 1.1 by ajm, Wed Nov 8 21:24:33 2000 UTC vs.
Revision 1.21 by tdb, Sat May 18 18:16:01 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* Copyright (C) 2000-2002 i-scream
4	+	*
5	+	* This program is free software; you can redistribute it and/or
6	+	* modify it under the terms of the GNU General Public License
7	+	* as published by the Free Software Foundation; either version 2
8	+	* of the License, or (at your option) any later version.
9	+	*
10	+	* This program is distributed in the hope that it will be useful,
11	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13	+	* GNU General Public License for more details.
14	+	*
15	+	* You should have received a copy of the GNU General Public License
16	+	* along with this program; if not, write to the Free Software
17	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18	+	*/
19	+
20		//---PACKAGE DECLARATION---
21	+	package uk.org.iscream.cms.server.core;
22
23		//---IMPORTS---
24	<	import core.*;
25	<	import java.util.*;
26	<	import java.io.*;
24	>	import uk.org.iscream.cms.server.util.*;
25	>	import uk.org.iscream.cms.server.componentmanager.*;
26	>	import java.util.Properties;
27	>	import java.util.Date;
28	>	import java.text.DateFormat;
29
30		/**
31		* An implementation of the Configuration IDL
#	Line 11 | Line 33 | import java.io.*;
33		* set their configuration from a central location.
34		*
35		* When classes want their configuration, they contact
36	<	* the Configurator, which will locate their config,
36	>	* the ConfigurationManager, which will locate their config,
37		* open it and pass it to a Configuration object which is
38		* then passed back to the calling class.
39		*
#	Line 36 | Line 58 | class ConfigurationServant extends ConfigurationPOA {
58
59		/**
60		* Creates a new ConfigurationServant taking a hook
61	<	* to a file containing the configuration.
61	>	* to a Properties object containing the configuration.
62		*
63	<	* @param propertiesStream an InputStream connected to the configuration
63	>	* @param properties a Properties object that contains the full properties for this configuration
64	>	* @param fileList the list of config files used to build this configuration
65	>	* @param lastModified the most recent last modified value for the file list
66	>	* @param logRef a reference to the logger system
67		*/
68	<	ConfigurationServant(File configurationFile) {
69	<	System.out.println(this.toString() + " - created.");
70	<	try {
71	<	InputStream configurationStream = new FileInputStream(configurationFile);
72	<	properties.load(configurationStream);
73	<	} catch (Exception e) {
74	<	// ****************************************
75	<	// either IOException from the .load() or
76	<	// a SecurityException or FileNotFoundException from
52	<	// the inputStream, not sure what to do yet!!!
53	<	}
68	>	ConfigurationServant(Properties properties, String fileList, long lastModified) {
69	>	// assign local variables
70	>	_properties = properties;
71	>	_lastModified = lastModified;
72	>	_fileList = fileList;
73	>	_logger.write(toString(), Logger.SYSINIT, "created");
74	>	String date = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(getLastModified()));
75	>	_logger.write(toString(), Logger.SYSMSG, "last modified - " + date);
76	>	_logger.write(toString(), Logger.DEBUG, "file list - " + _fileList);
77		}
78
79		//---PUBLIC METHODS---
#	Line 63 | Line 86 | class ConfigurationServant extends ConfigurationPOA {
86		* @param key the key the value of which is wanted
87		*/
88		public String getProperty(String key) {
89	<	return properties.getProperty(key);
89	>	return _properties.getProperty(key);
90		}
91
92		/**
93	<	* Overrides the {@link #java.lang.Object.toString() Object.toString()}
93	>	* Overrides the {@link java.lang.Object#toString() Object.toString()}
94		* method to provide clean logging (every class should have this).
95		*
96	+	* This uses the uk.org.iscream.cms.server.util.FormatName class
97	+	* to format the toString()
98	+	*
99		* @return the name of this class and its CVS revision
100		*/
101		public String toString() {
102	<	return this.getClass().getName() + ":" + REVISION;
102	>	return FormatName.getName(
103	>	_name,
104	>	getClass().getName(),
105	>	REVISION);
106		}
107	+
108	+	/**
109	+	* Unhooks this Configuration object from the ORB
110	+	*/
111	+	public void disconnect() {
112	+	try {
113	+	byte[] oid = _refman.getRootPOA().servant_to_id(this);
114	+	_refman.getRootPOA().deactivate_object(oid);
115	+	} catch(Exception e) {
116	+	_logger.write(this.toString(), Logger.ERROR, "disconnect failed: "+e);
117	+	}
118	+	}
119	+
120
121		//---PRIVATE METHODS---
122
123	+	/**
124	+	* Overridden for debugging purposes
125	+	* to see when an instance of this class
126	+	* is destroyed
127	+	*/
128	+	protected void finalize() throws Throwable {
129	+	_logger.write(this.toString(), Logger.DEBUG, "finalized");
130	+	}
131	+
132		//---ACCESSOR/MUTATOR METHODS---
133
134	+	/**
135	+	* Returns the date stamp of the configuration file
136	+	* this object is using.
137	+	*
138	+	* @return the last modified time for the file
139	+	*/
140	+	public long getLastModified() {
141	+	return _lastModified;
142	+	}
143	+
144	+	/**
145	+	* Returns the list of files used to build the Properties
146	+	* this object is using.
147	+	*
148	+	* @return the list of files
149	+	*/
150	+	public String getFileList() {
151	+	return _fileList;
152	+	}
153	+
154		//---ATTRIBUTES---
155
156		/**
157		* The properties object that this class provides a CORBA interface to
158		*/
159	<	private Properties properties = new Properties();
159	>	private Properties _properties = new Properties();
160
161	+	/**
162	+	* This holds a reference to the
163	+	* system logger that is being used.
164	+	*/
165	+	private Logger _logger = ReferenceManager.getInstance().getLogger();
166	+
167	+	/**
168	+	* A reference to the reference manager in use
169	+	*/
170	+	private ReferenceManager _refman = ReferenceManager.getInstance();
171	+
172	+	/**
173	+	* This is the friendly identifier of the
174	+	* component this class is running in.
175	+	* eg, a Filter may be called "filter1",
176	+	* If this class does not have an owning
177	+	* component,  a name from the configuration
178	+	* can be placed here.  This name could also
179	+	* be changed to null for utility classes.
180	+	*/
181	+	private String _name = Core.NAME;
182	+
183	+	/**
184	+	* The date stamp of the configuration file
185	+	* this object is using
186	+	*/
187	+	private long _lastModified;
188	+
189	+	/**
190	+	* The list of files that were used to build this configuration
191	+	*/
192	+	private String _fileList;
193	+
194		//---STATIC ATTRIBUTES---
195
196	<	}
196	>	}

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