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1
64
65 package com.jcorporate.expresso.core.misc;
66
67 import org.apache.log4j.Logger;
68
69
70 public class SysEventHub {
71 public static SysEventHubImpl myImpl = null;
72 private static Logger log = Logger.getLogger(SysEventHub.class);
73
74 private static SysEventHubImpl getImpl() {
75 if (myImpl == null) {
76 String  className = ConfigManager.getClassHandler("sysEventHub");
77
78 if (className == null || className.length() < 0) {
79 log.warn("Unable to get 'sysEventHub' class handler. Using default");
80 className = "com.jcorporate.expresso.core.misc.DefaultSysEventHubImpl";
81 } else {
82 try {
83 myImpl = (SysEventHubImpl) Class.forName(className).newInstance();
84 } catch (Exception e) {
85 log.error("Error loading sys event hub " + className, e);
86 }
87 }
88 }
89
90 return myImpl;
91 }
92
93 public static void addListener(SysEventListener listener,
94 String newTriggeringClass, String newCode) {
95 getImpl().addListener(listener, newTriggeringClass, newCode);
96 }
97
98
99 public static void trigger(SysEvent theEvent) {
100 getImpl().trigger(theEvent);
101 }
102
103 public static void removeListener(SysEventListener listener,
104 String newTriggeringClass,
105 String newCode) {
106 getImpl().removeListener(listener, newTriggeringClass, newCode);
107 }
108
109 } |
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