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HelloPlugin.java
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HelloPlugin.java
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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.demo.hello;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.pf4j.Extension;
import org.pf4j.PluginWrapper;
import org.pf4j.demo.api.Greeting;
import org.pf4j.spring.SpringPlugin;
/**
* A very simple plugin.
*
* @author Decebal Suiu
*/
public class HelloPlugin extends SpringPlugin {
public HelloPlugin(PluginWrapper wrapper) {
super(wrapper);
}
@Override
public void start() {
System.out.println("HelloPlugin.start()");
}
@Override
public void stop() {
System.out.println("HelloPlugin.stop()");
super.stop(); // to close applicationContext
}
@Override
protected ApplicationContext createApplicationContext() {
AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext();
applicationContext.setClassLoader(getWrapper().getPluginClassLoader());
applicationContext.register(SpringConfiguration.class);
applicationContext.refresh();
return applicationContext;
}
@Extension(ordinal=1)
public static class HelloGreeting implements Greeting {
@Autowired
private MessageProvider messageProvider;
@Override
public String getGreeting() {
// return "Hello";
// complicate a little bit the code
return messageProvider.getMessage();
}
}
}