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- /*
- * Copyright (C) 2012-present the original author or authors.
- *
- * 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 org.pf4j;
-
- import java.util.ArrayList;
- import java.util.HashSet;
- import java.util.List;
- import java.util.Set;
-
- /**
- * The default implementation for {@link ExtensionFinder}.
- * It's a compound {@code 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;
-
- add(new LegacyExtensionFinder(pluginManager));
- // add(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 add(new ServiceProviderExtensionFinder(pluginManager));
- }
-
- public DefaultExtensionFinder add(ExtensionFinder finder) {
- finders.add(finder);
-
- return this;
- }
-
- }
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