org.ehrbase.configuration.config.plugin.EhrBasePluginManager Maven / Gradle / Ivy
/*
* Copyright (c) 2024 vitasystems GmbH.
*
* This file is part of project EHRbase
*
* 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
*
* https://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.ehrbase.configuration.config.plugin;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang3.tuple.Pair;
import org.ehrbase.api.exception.InternalServerException;
import org.ehrbase.plugin.EhrBasePluginManagerInterface;
import org.pf4j.PluginWrapper;
import org.pf4j.spring.ExtensionsInjector;
import org.pf4j.spring.SpringPluginManager;
import org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory;
import org.springframework.boot.env.PropertiesPropertySourceLoader;
import org.springframework.boot.env.PropertySourceLoader;
import org.springframework.boot.env.YamlPropertySourceLoader;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.FileSystemResource;
public class EhrBasePluginManager extends SpringPluginManager implements EhrBasePluginManagerInterface {
private static final Map PROPERTY_SOURCE_LOADER_MAP = Stream.of(
new YamlPropertySourceLoader(),
new PropertiesPropertySourceLoader(),
new JsonPropertySourceLoader())
.flatMap(p -> Arrays.stream(p.getFileExtensions()).map(e -> Pair.of(e, p)))
.collect(Collectors.toMap(Pair::getLeft, Pair::getRight));
private final PluginManagerProperties properties;
public EhrBasePluginManager(PluginManagerProperties properties) {
super(properties.getPluginDir());
this.properties = properties;
}
private boolean init = false;
@Override
public void init() {
// Plugins will be initialised in initPlugins
}
public void initPlugins() {
if (!init) {
startPlugins();
AbstractAutowireCapableBeanFactory beanFactory =
(AbstractAutowireCapableBeanFactory) getApplicationContext().getAutowireCapableBeanFactory();
ExtensionsInjector extensionsInjector = new ExtensionsInjector(this, beanFactory);
extensionsInjector.injectExtensions();
init = true;
}
}
/**
* Create a property source from a file fileName in {@link
* PluginManagerProperties#getPluginDir()}/{@link PluginWrapper#getPluginId()}
*
* @param fileName json, yml and properties extensions are supported
* @param pluginWrapper
* @return
*/
protected PropertySource getConfig(String fileName, PluginWrapper pluginWrapper) {
Path totalPath = Path.of(properties.getPluginConfigDir().toString(), pluginWrapper.getPluginId(), fileName);
return Optional.of(fileName)
.map(FilenameUtils::getExtension)
.map(PROPERTY_SOURCE_LOADER_MAP::get)
.map(p -> {
try {
return p.load(fileName, new FileSystemResource(totalPath));
} catch (IOException e) {
throw new InternalServerException(e);
}
})
.stream()
.flatMap(List::stream)
.findAny()
.orElseThrow(
() -> new InternalServerException(String.format("No Property Source found for %s", totalPath)));
}
public List> loadConfig(PluginWrapper pluginWrapper) {
Path totalPath = Path.of(properties.getPluginConfigDir().toString(), pluginWrapper.getPluginId());
if (Files.exists(totalPath)) {
try (Stream walk = Files.walk(totalPath)) {
return walk.filter(p ->
PROPERTY_SOURCE_LOADER_MAP.keySet().contains(FilenameUtils.getExtension(p.toString())))
.map(p -> getConfig(p.getFileName().toString(), pluginWrapper))
.collect(Collectors.toList());
} catch (IOException e) {
throw new InternalServerException(e);
}
}
return Collections.emptyList();
}
public static class JsonPropertySourceLoader extends YamlPropertySourceLoader {
@Override
public String[] getFileExtensions() {
return new String[] {"json"};
}
}
}