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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 1.4 by tdb, Mon Nov 13 16:36:03 2000 UTC vs.
Revision 1.18 by tdb, Tue Mar 13 20:56:01 2001 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	+	package uk.ac.ukc.iscream.core;
3
4		//---IMPORTS---
5	<	import uk.ac.ukc.iscream.core.*;
6	<	import java.util.*;
7	<	import java.io.*;
5	>	import uk.ac.ukc.iscream.util.*;
6	>	import uk.ac.ukc.iscream.componentmanager.*;
7	>	import java.util.Properties;
8	>	import java.util.Date;
9	>	import java.text.DateFormat;
10
11		/**
12		* An implementation of the Configuration IDL
#	Line 11 | Line 14 | import java.io.*;
14		* set their configuration from a central location.
15		*
16		* When classes want their configuration, they contact
17	<	* the Configurator, which will locate their config,
17	>	* the ConfigurationManager, which will locate their config,
18		* open it and pass it to a Configuration object which is
19		* then passed back to the calling class.
20		*
#	Line 36 | Line 39 | class ConfigurationServant extends ConfigurationPOA {
39
40		/**
41		* Creates a new ConfigurationServant taking a hook
42	<	* to a file containing the configuration.
42	>	* to a Properties object containing the configuration.
43		*
44	<	* @param propertiesStream an InputStream connected to the configuration
44	>	* @param properties a Properties object that contains the full properties for this configuration
45	>	* @param fileList the list of config files used to build this configuration
46	>	* @param lastModified the most recent last modified value for the file list
47	>	* @param logRef a reference to the logger system
48		*/
49	<	ConfigurationServant(File configurationFile, Logger logRef) {
50	<	_lastModified = configurationFile.lastModified();
51	<
52	<	_logRef = logRef;
53	<	_logRef.write(this.toString(), "created - last modified:" + getLastModified());
54	<
55	<	try {
56	<	InputStream configurationStream = new FileInputStream(configurationFile);
57	<	_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	<	}
49	>	ConfigurationServant(Properties properties, String fileList, long lastModified) {
50	>	// assign local variables
51	>	_properties = properties;
52	>	_lastModified = lastModified;
53	>	_fileList = fileList;
54	>	_logger.write(toString(), Logger.SYSINIT, "created");
55	>	String date = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(getLastModified()));
56	>	_logger.write(toString(), Logger.SYSMSG, "last modified - " + date);
57	>	_logger.write(toString(), Logger.DEBUG, "file list - " + _fileList);
58		}
59
60		//---PUBLIC METHODS---
#	Line 71 | Line 71 | class ConfigurationServant extends ConfigurationPOA {
71		}
72
73		/**
74	<	* Overrides the {@link #java.lang.Object.toString() Object.toString()}
74	>	* Overrides the {@link java.lang.Object#toString() Object.toString()}
75		* method to provide clean logging (every class should have this).
76		*
77	+	* This uses the uk.ac.ukc.iscream.util.FormatName class
78	+	* to format the toString()
79	+	*
80		* @return the name of this class and its CVS revision
81		*/
82		public String toString() {
83	<	return this.getClass().getName() + ":" + REVISION;
83	>	return FormatName.getName(
84	>	_name,
85	>	getClass().getName(),
86	>	REVISION);
87		}
88	+
89	+	/**
90	+	* Unhooks this Configuration object from the ORB
91	+	*/
92	+	public void disconnect() {
93	+	try {
94	+	byte[] oid = _refman.getRootPOA().servant_to_id(this);
95	+	_refman.getRootPOA().deactivate_object(oid);
96	+	} catch(Exception e) {
97	+	_logger.write(this.toString(), Logger.ERROR, "disconnect failed: "+e);
98	+	}
99	+	}
100	+
101
102		//---PRIVATE METHODS---
103
104	+	/**
105	+	* Overridden for debugging purposes
106	+	* to see when an instance of this class
107	+	* is destroyed
108	+	*/
109	+	protected void finalize() throws Throwable {
110	+	_logger.write(this.toString(), Logger.DEBUG, "finalized");
111	+	}
112	+
113		//---ACCESSOR/MUTATOR METHODS---
114
115		/**
#	Line 94 | Line 122 | class ConfigurationServant extends ConfigurationPOA {
122		return _lastModified;
123		}
124
125	+	/**
126	+	* Returns the list of files used to build the Properties
127	+	* this object is using.
128	+	*
129	+	* @return the list of files
130	+	*/
131	+	public String getFileList() {
132	+	return _fileList;
133	+	}
134	+
135		//---ATTRIBUTES---
136
137		/**
#	Line 102 | Line 140 | class ConfigurationServant extends ConfigurationPOA {
140		private Properties _properties = new Properties();
141
142		/**
143	<	* Reference to a Logger
143	>	* This holds a reference to the
144	>	* system logger that is being used.
145		*/
146	<	private Logger _logRef;
146	>	private Logger _logger = ReferenceManager.getInstance().getLogger();
147
148		/**
149	+	* A reference to the reference manager in use
150	+	*/
151	+	private ReferenceManager _refman = ReferenceManager.getInstance();
152	+
153	+	/**
154	+	* This is the friendly identifier of the
155	+	* component this class is running in.
156	+	* eg, a Filter may be called "filter1",
157	+	* If this class does not have an owning
158	+	* component,  a name from the configuration
159	+	* can be placed here.  This name could also
160	+	* be changed to null for utility classes.
161	+	*/
162	+	private String _name = Core.NAME;
163	+
164	+	/**
165		* The date stamp of the configuration file
166		* this object is using
167		*/
168		private long _lastModified;
169	+
170	+	/**
171	+	* The list of files that were used to build this configuration
172	+	*/
173	+	private String _fileList;
174
175		//---STATIC ATTRIBUTES---
176

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