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/*
* Copyright 2013 Decebal Suiu
*
* 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.
*/
package ro.fortsoft.pf4j;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* The default implementation for ExtensionFinder.
* It's a compound ExtensionFinder.
*
* @author Decebal Suiu
*/
public class DefaultExtensionFinder implements ExtensionFinder, PluginStateListener {
protected PluginManager pluginManager;
protected List<ExtensionFinder> finders = new ArrayList<>();
public DefaultExtensionFinder(PluginManager pluginManager) {
this.pluginManager = pluginManager;
finders = new ArrayList<>();
addExtensionFinder(new LegacyExtensionFinder(pluginManager));
// addExtensionFinder(new ServiceProviderExtensionFinder(pluginManager));
}
@Override
public <T> List<ExtensionWrapper<T>> find(Class<T> type) {
List<ExtensionWrapper<T>> extensions = new ArrayList<>();
for (ExtensionFinder finder : finders) {
extensions.addAll(finder.find(type));
}
return extensions;
}
@Override
public <T> List<ExtensionWrapper<T>> find(Class<T> type, String pluginId) {
List<ExtensionWrapper<T>> extensions = new ArrayList<>();
for (ExtensionFinder finder : finders) {
extensions.addAll(finder.find(type, pluginId));
}
return extensions;
}
@Override
public List<ExtensionWrapper> find(String pluginId) {
List<ExtensionWrapper> extensions = new ArrayList<>();
for (ExtensionFinder finder : finders) {
extensions.addAll(finder.find(pluginId));
}
return extensions;
}
@Override
public Set<String> findClassNames(String pluginId) {
Set<String> classNames = new HashSet<>();
for (ExtensionFinder finder : finders) {
classNames.addAll(finder.findClassNames(pluginId));
}
return classNames;
}
@Override
public void pluginStateChanged(PluginStateEvent event) {
for (ExtensionFinder finder : finders) {
if (finder instanceof PluginStateListener) {
((PluginStateListener) finder).pluginStateChanged(event);
}
}
}
public DefaultExtensionFinder addServiceProviderExtensionFinder() {
return addExtensionFinder(new ServiceProviderExtensionFinder(pluginManager));
}
public DefaultExtensionFinder addExtensionFinder(ExtensionFinder finder) {
finders.add(finder);
return this;
}
}
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