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1
52 package com.go.trove.util.plugin;
53
54 import com.go.trove.util.PropertyMap;
55
56 import java.util.Iterator  ;
57 import java.util.Set ;
58
59
66 public class PluginFactory {
67
68 private static final String cClassKey = "class";
69 private static final String cInitKey = "init";
70 private static final String cPluginsKey = "plugins";
71
72 public static final Plugin createPlugin(String name, PluginFactoryConfig config)
73 throws PluginFactoryException
74 {
75 Plugin result;
76 String className = config.getProperties().getString(cClassKey);
77 PropertyMap props = config.getProperties().subMap(cInitKey);
78 try {
79 Class clazz = Class.forName(className);
80 result = (Plugin) clazz.newInstance();
81 PluginConfig pluginConfig = new PluginConfigSupport
82 (props, config.getLog(), config.getPluginContext(), name);
83 result.init(pluginConfig);
84 } catch (PluginException e) {
85 throw new PluginFactoryException(e);
86 } catch (ClassNotFoundException e) {
87 throw new PluginFactoryException(e);
88 } catch (InstantiationException e) {
89 throw new PluginFactoryException(e);
90 } catch (IllegalAccessException e) {
91 throw new PluginFactoryException(e);
92 }
93 return result;
94 }
95
96 public static final Plugin[] createPlugins(PluginFactoryConfig config)
97 throws PluginFactoryException
98 {
99 Plugin[] result;
100 PropertyMap properties = config.getProperties().subMap(cPluginsKey);
101 Set keySet = properties.subMapKeySet();
102 result = new Plugin[keySet.size()];
103 Iterator iterator = keySet.iterator();
104 for (int i=0; iterator.hasNext(); i++) {
105 String name = (String ) iterator.next();
106 PropertyMap initProps = properties.subMap(name);
107 PluginFactoryConfig conf = new PluginFactoryConfigSupport
108 (initProps, config.getLog(), config.getPluginContext());
109 result[i] = createPlugin(name, conf);
110 }
111 return result;
112 }
113
114 }
115
116 |
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