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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 1.10 by ajm, Mon Nov 20 17:11:44 2000 UTC

#	Line 1 | Line 1
1	<	//---PACKAGE DECLARATION---
2	<
3	<	//---IMPORTS---
4	<	import uk.ac.ukc.iscream.core.*;
5	<	import java.util.*;
6	<	import java.io.*;
7	<
8	<	/**
9	<	* An implementation of the Configuration IDL
10	<	* This class allows i-scream modules to read and even
11	<	* set their configuration from a central location.
12	<	*
13	<	* When classes want their configuration, they contact
14	<	* the Configurator, which will locate their config,
15	<	* open it and pass it to a Configuration object which is
16	<	* then passed back to the calling class.
17	<	*
18	<	* Essentially this class behaves in a similar fashion
19	<	* to the java.util.Properties class.
20	<	*
21	<	* @author  $Author$
22	<	* @version $Id$
23	<	*/
24	<	class ConfigurationServant extends ConfigurationPOA {
25	<
26	<	//---FINAL ATTRIBUTES---
27	<
28	<	/**
29	<	* The current CVS revision of this class
30	<	*/
31	<	public final String REVISION = "$Revision$";
32	<
33	<	//---STATIC METHODS---
34	<
35	<	//---CONSTRUCTORS---
36	<
37	<	/**
38	<	* Creates a new ConfigurationServant taking a hook
39	<	* to a file containing the configuration.
40	<	*
41	<	* @param propertiesStream an InputStream connected to the configuration
42	<	*/
43	<	ConfigurationServant(File configurationFile, Logger logRef) {
44	<	_lastModified = configurationFile.lastModified();
45	<
46	<	_logRef = logRef;
47	<	_logRef.write(this.toString(), "created - last modified:" + getLastModified());
48	<
49	<	try {
50	<	InputStream configurationStream = new FileInputStream(configurationFile);
51	<	_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	<	}
58	<	}
59	<
60	<	//---PUBLIC METHODS---
61	<
62	<	/**
63	<	* A wrapper for java.util.Properties.getProperty
64	<	* When given a key it returns the value of that key
65	<	* ie, key = value
66	<	*
67	<	* @param key the key the value of which is wanted
68	<	*/
69	<	public String getProperty(String key) {
70	<	return _properties.getProperty(key);
71	<	}
72	<
73	<	/**
74	<	* Overrides the {@link #java.lang.Object.toString() Object.toString()}
75	<	* method to provide clean logging (every class should have this).
76	<	*
77	<	* @return the name of this class and its CVS revision
78	<	*/
79	<	public String toString() {
80	<	return this.getClass().getName() + ":" + REVISION;
81	<	}
82	<
83	<	//---PRIVATE METHODS---
84	<
85	<	//---ACCESSOR/MUTATOR METHODS---
86	<
87	<	/**
88	<	* Returns the date stamp of the configuration file
89	<	* this object is using.
90	<	*
91	<	* @return the last modified time for the file
92	<	*/
93	<	public long getLastModified() {
94	<	return _lastModified;
95	<	}
96	<
97	<	//---ATTRIBUTES---
98	<
99	<	/**
100	<	* The properties object that this class provides a CORBA interface to
101	<	*/
102	<	private Properties _properties = new Properties();
103	<
104	<	/**
105	<	* Reference to a Logger
106	<	*/
107	<	private Logger _logRef;
108	<
109	<	/**
110	<	* The date stamp of the configuration file
111	<	* this object is using
112	<	*/
113	<	private long _lastModified;
114	<
115	<	//---STATIC ATTRIBUTES---
116	<
117	<	}
1	>	//---PACKAGE DECLARATION---
2	>
3	>	//---IMPORTS---
4	>	import uk.ac.ukc.iscream.core.*;
5	>	import java.util.*;
6	>	import java.io.*;
7	>	import java.text.DateFormat;
8	>
9	>	/**
10	>	* An implementation of the Configuration IDL
11	>	* This class allows i-scream modules to read and even
12	>	* set their configuration from a central location.
13	>	*
14	>	* When classes want their configuration, they contact
15	>	* the Configurator, which will locate their config,
16	>	* open it and pass it to a Configuration object which is
17	>	* then passed back to the calling class.
18	>	*
19	>	* Essentially this class behaves in a similar fashion
20	>	* to the java.util.Properties class.
21	>	*
22	>	* @author  $Author$
23	>	* @version $Id$
24	>	*/
25	>	class ConfigurationServant extends ConfigurationPOA {
26	>
27	>	//---FINAL ATTRIBUTES---
28	>
29	>	/**
30	>	* The current CVS revision of this class
31	>	*/
32	>	public final String REVISION = "$Revision$";
33	>
34	>	//---STATIC METHODS---
35	>
36	>	//---CONSTRUCTORS---
37	>
38	>	/**
39	>	* Creates a new ConfigurationServant taking a hook
40	>	* to a file containing the configuration.
41	>	*
42	>	* @param propertiesStream an InputStream connected to the configuration
43	>	*/
44	>	ConfigurationServant(Properties properties, long lastModified, Logger logRef) {
45	>	_properties = properties;
46	>	_lastModified = lastModified;
47	>	_logRef = logRef;
48	>	_logRef.write(this.toString(), Logger.SYSINIT, "created");
49	>	String date = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(getLastModified()));
50	>	_logRef.write(this.toString(), Logger.SYSMSG, "last modified - " + date);
51	>	}
52	>
53	>	//---PUBLIC METHODS---
54	>
55	>	/**
56	>	* A wrapper for java.util.Properties.getProperty
57	>	* When given a key it returns the value of that key
58	>	* ie, key = value
59	>	*
60	>	* @param key the key the value of which is wanted
61	>	*/
62	>	public String getProperty(String key) {
63	>	return _properties.getProperty(key);
64	>	}
65	>
66	>	/**
67	>	* Overrides the {@link java.lang.Object#toString() Object.toString()}
68	>	* method to provide clean logging (every class should have this).
69	>	*
70	>	* @return the name of this class and its CVS revision
71	>	*/
72	>	public String toString() {
73	>	return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")";
74	>	}
75	>
76	>	//---PRIVATE METHODS---
77	>
78	>	protected void finalize() throws Throwable {
79	>	_logRef.write(this.toString(), Logger.DEBUG, "finalized (ick, us english!)");
80	>	}
81	>
82	>	//---ACCESSOR/MUTATOR METHODS---
83	>
84	>	/**
85	>	* Returns the date stamp of the configuration file
86	>	* this object is using.
87	>	*
88	>	* @return the last modified time for the file
89	>	*/
90	>	public long getLastModified() {
91	>	return _lastModified;
92	>	}
93	>
94	>	//---ATTRIBUTES---
95	>
96	>	/**
97	>	* The properties object that this class provides a CORBA interface to
98	>	*/
99	>	private Properties _properties = new Properties();
100	>
101	>	/**
102	>	* Reference to a Logger
103	>	*/
104	>	private Logger _logRef;
105	>
106	>	/**
107	>	* The date stamp of the configuration file
108	>	* this object is using
109	>	*/
110	>	private long _lastModified;
111	>
112	>	//---STATIC ATTRIBUTES---
113	>
114	>	}

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