|
1 package net.javacoding.jspider.core.impl;
2
3 import net.javacoding.jspider.core.dispatch.impl.PluginSocket;
4 import net.javacoding.jspider.core.logging.Log;
5 import net.javacoding.jspider.core.logging.LogFactory;
6 import net.javacoding.jspider.core.util.config.*;
7 import net.javacoding.jspider.spi.Plugin;
8
9 import java.util.ArrayList  ;
10
11
17 public class PluginFactory {
18
19 PluginInstantiator pluginInstantiator;
20
21
22 public PluginFactory() {
23 pluginInstantiator = new PluginInstantiator();
24 }
25
26 public Plugin[] createPlugins() {
27
28 Log log = LogFactory.getLog(PluginFactory.class);
29 ArrayList loadedPlugins = new ArrayList ();
30
31 PropertySet props = ConfigurationFactory.getConfiguration().getPluginsConfiguration();
32 PropertySet pluginsProps = new MappedPropertySet(ConfigConstants.PLUGINS,props);
33 int pluginCount = pluginsProps.getInteger(ConfigConstants.PLUGINS_COUNT, 0);
34 log.info("Loading " + pluginCount + " plugins.");
35
36 for (int i = 0; i < pluginCount; i++) {
37 String pluginInstance = pluginsProps.getString( "" + (i+1) + "." + ConfigConstants.PLUGINS_CONFIG, null);
38 if (pluginInstance != null) {
39 log.info("Loading plugin configuration '" + pluginInstance + "'...");
40 PropertySet config = ConfigurationFactory.getConfiguration().getPluginConfiguration(pluginInstance);
41 PropertySet pluginConfig = new MappedPropertySet(ConfigConstants.PLUGIN, config);
42 Class pluginClass = pluginConfig.getClass(ConfigConstants.PLUGIN_CLASS, null);
43 if (pluginClass == null) {
44 log.info("Plugin class '" + pluginConfig.getString(ConfigConstants.PLUGIN_CLASS, "") + "' not found");
45 } else {
46 PropertySet pluginParams = new MappedPropertySet(ConfigConstants.PLUGIN_CONFIG, pluginConfig);
47 Plugin plugin = pluginInstantiator.instantiate(pluginClass, pluginInstance, pluginParams);
48
49 PropertySet filterConfig = new MappedPropertySet(ConfigConstants.PLUGIN_FILTER, pluginConfig);
50 if (filterConfig.getBoolean(ConfigConstants.PLUGIN_FILTER_ENABLED, false)) {
51
52 log.info("Plugin uses local event filtering");
53 loadedPlugins.add(new PluginSocket(plugin, filterConfig));
54 } else {
55 log.info("Plugin not configured for local event filtering");
56 loadedPlugins.add(plugin);
57 }
58
59 log.info("Plugin Name : " + plugin.getName());
60 log.info("Plugin Version : " + plugin.getVersion());
61 log.info("Plugin Vendor : " + plugin.getVendor());
62 }
63 } else {
64 log.info("Plugin configuration '" + pluginInstance + "' couldn't be loaded");
65 }
66 }
67
68 log.info("Loaded " + loadedPlugins.size() + " plugins.");
69 return (Plugin[]) loadedPlugins.toArray(new Plugin[loadedPlugins.size()]);
70 }
71 }
72 |
Popular Tags |
Java API By Example, From Geeks To Geeks.