Source Code Cross Referenced for Configurable.java in  » Database-ORM » MMBase » org » mmbase » security » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » MMBase » org.mmbase.security 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:
03:        This software is OSI Certified Open Source Software.
04:        OSI Certified is a certification mark of the Open Source Initiative.
05:
06:        The license (Mozilla version 1.0) can be read at the MMBase site.
07:        See http://www.MMBase.org/license
08:
09:         */
10:        package org.mmbase.security;
11:
12:        import org.mmbase.util.ResourceWatcher;
13:
14:        import org.mmbase.util.logging.Logger;
15:        import org.mmbase.util.logging.Logging;
16:
17:        /**
18:         * Both Authorization and Authentication are configurable.
19:         * This class provides the shared functionality for that.
20:         *
21:         * @author Eduard Witteveen
22:         * @author Michiel Meeuwissen
23:         * @version $Id: Configurable.java,v 1.13 2007/07/25 06:47:11 michiel Exp $
24:         * @since MMBase-1.7
25:         */
26:        public abstract class Configurable {
27:            private static final Logger log = Logging
28:                    .getLoggerInstance(Configurable.class);
29:
30:            /**
31:             * The SecurityManager, which created this instance
32:             */
33:            protected MMBaseCop manager;
34:
35:            /**
36:             * This specific security configuration file. The file is absolute. Might be
37:             * null if the implementation does not have its own configuruation file.
38:             * @since MMBase-1.8
39:             */
40:            protected String configResource; // relative to securityLoader
41:
42:            /**
43:             * This filewatcher checks the configuration file for changes.
44:             */
45:            protected ResourceWatcher configWatcher;
46:
47:            /**
48:             * The method which initialized an instance of this class. This method cannot be be overrided.
49:             * This methods sets the member variables of this object and then
50:             * calls the method load();
51:             * @param manager The class that created this instance.
52:             * @param configWatcher checks the files for changes
53:             * @param configPath The url which contains the config information for the authorization (e.g. context/config.xml). Or null (if configured to be "")
54:             * @see #load
55:             */
56:            public final void load(MMBaseCop manager,
57:                    ResourceWatcher configWatcher, String configPath) {
58:                if (log.isDebugEnabled()) {
59:                    log.debug("Calling load() with as config file:"
60:                            + configPath);
61:                }
62:                this .manager = manager;
63:                this .configWatcher = configWatcher;
64:
65:                configWatcher.setDelay(10 * 1000);
66:
67:                if (configPath != null && !configPath.equals("")) {
68:                    if (configPath.startsWith("/")) {
69:                        configResource = "file://" + configPath;
70:                    } else {
71:                        configResource = configPath;
72:                    }
73:
74:                    configWatcher.add(configResource);
75:                }
76:
77:                load();
78:            }
79:
80:            /**
81:             * This method should be overrided by an extending class.  It should further initialize the
82:             * class. It can optionally retrieve settings from the general security configuration file
83:             * (available as the 'configResource' member). Security implementations with complicated
84:             * configuration would typically retrieve a path to their own configuration file only.
85:             */
86:            protected abstract void load();
87:        }
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