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GenericPluginManager.java
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60 lines (52 loc) · 1.74 KB
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package act.plugin;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import act.Destroyable;
import act.util.DestroyableBase;
import org.osgl.util.C;
import java.util.List;
import java.util.Map;
public class GenericPluginManager extends DestroyableBase {
private Map<Class<?>, List<?>> registry = C.newMap();
@Override
protected void releaseResources() {
for (List<?> pluginList : registry.values()) {
for (Object plugin: pluginList) {
if (plugin instanceof Destroyable) {
((Destroyable) plugin).destroy();
}
}
}
registry.clear();
}
public synchronized <CT, ET extends CT> GenericPluginManager register(Class<CT> clazz, ET plugin) {
List pluginList = registry.get(clazz);
if (null == pluginList) {
pluginList = C.newList();
registry.put(clazz, pluginList);
}
pluginList.add(plugin);
return this;
}
public <T> List<T> pluginList(Class<T> pluginClass) {
List<T> list = (List<T>)registry.get(pluginClass);
return null == list ? C.<T>list() : C.<T>list(list);
}
}