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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.EventObject;
-
- /**
- * Event object that indicates a change in the state of a plugin.
- * The event is propagated to all registered listeners.
- * The event source is the {@link PluginManager} that changed the state of the plugin.
- * The event object contains the plugin that changed its state and the old state.
- *
- * @see PluginStateListener
- * @author Decebal Suiu
- */
- public class PluginStateEvent extends EventObject {
-
- private final PluginWrapper plugin;
- private final PluginState oldState;
-
- public PluginStateEvent(PluginManager source, PluginWrapper plugin, PluginState oldState) {
- super(source);
-
- this.plugin = plugin;
- this.oldState = oldState;
- }
-
- /**
- * The object on which the Event initially occurred.
- *
- * @return the PluginManager that changed the state of the plugin
- */
- @Override
- public PluginManager getSource() {
- return (PluginManager) super.getSource();
- }
-
- /**
- * The plugin that changed its state.
- *
- * @return the plugin that changed its state
- */
- public PluginWrapper getPlugin() {
- return plugin;
- }
-
- /**
- * The new state of the plugin.
- *
- * @return the new state of the plugin
- */
- public PluginState getPluginState() {
- return plugin.getPluginState();
- }
-
- /**
- * The old state of the plugin.
- *
- * @return the old state of the plugin
- */
- public PluginState getOldState() {
- return oldState;
- }
-
- @Override
- public String toString() {
- return "PluginStateEvent [plugin=" + plugin.getPluginId() +
- ", newState=" + getPluginState() +
- ", oldState=" + oldState +
- ']';
- }
-
- }
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