/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.module.deployment.impl.internal.artifact;
import static java.util.Optional.empty;
import static java.util.Optional.of;
import static org.mule.runtime.api.util.Preconditions.checkArgument;
import org.mule.runtime.core.util.StringUtils;
import org.mule.runtime.module.artifact.classloader.ArtifactClassLoader;
import org.mule.runtime.module.artifact.classloader.ArtifactClassLoaderManager;
import org.mule.runtime.module.artifact.classloader.ClassLoaderRepository;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
/**
* Tracks all the {@link ArtifactClassLoader} created on the container.
*/
public class DefaultClassLoaderManager implements ArtifactClassLoaderManager, ClassLoaderRepository {
private final Map<String, ArtifactClassLoader> artifactClassLoaders = new ConcurrentHashMap<>();
@Override
public void register(ArtifactClassLoader artifactClassLoader) {
checkArgument(artifactClassLoader != null, "artifactClassLoader cannot be null");
artifactClassLoaders.put(artifactClassLoader.getArtifactId(), artifactClassLoader);
}
@Override
public ArtifactClassLoader unregister(String classLoaderId) {
checkClassLoaderId(classLoaderId);
return artifactClassLoaders.remove(classLoaderId);
}
@Override
public Optional<ClassLoader> find(String classLoaderId) {
checkClassLoaderId(classLoaderId);
ArtifactClassLoader artifactClassLoader = artifactClassLoaders.get(classLoaderId);
return of(artifactClassLoader.getClassLoader());
}
@Override
public Optional<String> getId(ClassLoader classLoader) {
return empty();
}
private void checkClassLoaderId(String classLoaderId) {
checkArgument(!StringUtils.isEmpty(classLoaderId), "artifactId cannot be empty");
}
}