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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/filtermanager/FilterManager.java

Comparing projects/cms/source/server/uk/org/iscream/cms/server/filtermanager/FilterManager.java (file contents):
Revision 1.14 by tdb, Thu Jan 18 23:19:29 2001 UTC vs.
Revision 1.25 by tdb, Sat May 18 18:16:02 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.ac.ukc.iscream.filtermanager;
21	>	package uk.org.iscream.cms.server.filtermanager;
22
23		//---IMPORTS---
24	<	import uk.ac.ukc.iscream.util.*;
25	<	import uk.ac.ukc.iscream.core.*;
26	<	import uk.ac.ukc.iscream.componentmanager.*;
24	>	import uk.org.iscream.cms.server.util.*;
25	>	import uk.org.iscream.cms.server.core.*;
26	>	import uk.org.iscream.cms.server.componentmanager.*;
27
28		/**
29		* The FilterManager handles initialisation
#	Line 24 | Line 43 | public class FilterManager implements Component {
43		*/
44		public static final String REVISION = "$Revision$";
45
27	–	/**
28	–	* The friendly name for this component, used by
29	–	* all related classes.
30	–	*/
31	–	public static final String NAME = "FilterManager";
32	–
46		//---STATIC METHODS---
47
48		//---CONSTRUCTORS---
49
50	+	/**
51	+	* Constructs a FilterManager with the name given
52	+	*
53	+	* @param givenName the name
54	+	*/
55	+	public FilterManager(String givenName) {
56	+	NAME = givenName;
57	+	}
58	+
59		//---PUBLIC METHODS---
60
61		/**
62		* This method starts the FilterManager
63		*/
64		public void start() throws ComponentStartException {
65	<
65	>	// get references to key objects
66	>	_logger = _refman.getLogger();
67	>
68		_logger.write(toString(), Logger.SYSINIT, "coming up");
69
70	<	// configuration variable we require
71	<	int listenPort = 0;
48	<
49	<	Configuration config = _refman.getCM().getConfiguration("FilterManager");
50	<	if (config == null) {
51	<	System.err.println("CRITICAL:Unable to obtain configuration" +
52	<	"\n         Advise you check the i-scream log for more information.");
53	<	_logger.write(toString(), Logger.FATAL, "ERROR - unable to obtain configuration");
54	<	System.exit(1);
55	<	} else {
56	<	try {
57	<	listenPort = Integer.parseInt(config.getProperty("FilterManager.listenPort"));
58	<	} catch (org.omg.CORBA.MARSHAL e) {
59	<	System.err.println ("CRITICAL:Unable to obtain required configuration property" +
60	<	"\n         Advise you check the i-scream log for more information.");
61	<	_logger.write(toString(), Logger.FATAL, "ERROR - required configuration property not present");
62	<	System.exit(1);
63	<	}
64	<	}
65	<
66	<	_logger.write(toString(), Logger.SYSMSG, "configured");
67	<
68	<	HostListener hostListener = new HostListener(listenPort);
70	>	// startup a thread to listen for hosts
71	>	HostListener hostListener = new HostListener();
72		hostListener.start();
73
74		_logger.write(toString(), Logger.SYSINIT, "started");
75		}
76	<
76	>
77		/**
78	+	* Does a dependency check. Used mainly at startup to
79	+	* see if the required dependencies (components) are up
80	+	* and running.
81	+	*
82	+	* @return a boolean value, true if the depdencies are satisfied
83	+	*/
84	+	public boolean depCheck() {
85	+	// This also depends on Filters.. but only when requested.
86	+	// I believe the code is in place to handle that elsewhere.
87	+	try {
88	+	org.omg.CORBA.Object obj;
89	+	obj = _refman.getCORBARef("iscream.Logger");
90	+	obj = _refman.getCORBARef("iscream.ConfigurationManager");
91	+	} catch(ComponentCORBAException e) {
92	+	System.err.println(toString() + ": Dependency Failure: "+e);
93	+	return false;
94	+	}
95	+	// dependency check suceeded
96	+	return true;
97	+	}
98	+
99	+	/**
100		* Overrides the {@link java.lang.Object#toString() Object.toString()}
101		* method to provide clean logging (every class should have this).
102		*
103	<	* This uses the uk.ac.ukc.iscream.util.NameFormat class
103	>	* This uses the uk.org.iscream.cms.server.util.NameFormat class
104		* to format the toString()
105		*
106		* @return the name of this class and its CVS revision
107		*/
108		public String toString() {
109		return FormatName.getName(
110	<	_name,
110	>	NAME,
111		getClass().getName(),
112		REVISION);
113		}
#	Line 108 | Line 133 | public class FilterManager implements Component {
133		* This holds a reference to the
134		* system logger that is being used.
135		*/
136	<	private Logger _logger = ReferenceManager.getInstance().getLogger();
137	<
136	>	private Logger _logger;
137	>
138		/**
139		* A reference to the reference manager in use
140		*/
141		private ReferenceManager _refman = ReferenceManager.getInstance();
142
143		//---STATIC ATTRIBUTES---
144	+
145	+	/**
146	+	* The friendly name for this component, used by
147	+	* all related classes.
148	+	* This is set from the configuration.
149	+	*/
150	+	public static String NAME;
151
152		}

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