/*
* 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.core.registry;
import static org.mule.runtime.api.util.Preconditions.checkArgument;
import org.mule.runtime.core.api.Injector;
import org.mule.runtime.api.exception.MuleException;
import org.mule.runtime.core.api.registry.Registry;
import org.mule.runtime.core.api.registry.RegistryProvider;
/**
* An implementation of {@link Injector} which uses a {@link RegistryProvider} to look for {@link Registry} instances which also
* implement {@link Injector}. The injection operation is then delegated into the first matching registry.
*
* If no appropriate registry is found, then the injection operation does not take place.
*
* @since 3.7.0
*/
public class RegistryDelegatingInjector implements Injector {
private final RegistryProvider registryProvider;
public RegistryDelegatingInjector(RegistryProvider registryProvider) {
checkArgument(registryProvider != null, "registryProvider cannot be null");
this.registryProvider = registryProvider;
}
/**
* {@inheritDoc}
*/
@Override
public <T> T inject(T object) throws MuleException {
for (Registry registry : registryProvider.getRegistries()) {
if (registry instanceof Injector) {
return ((Injector) registry).inject(object);
}
}
return object;
}
}