com.liferay.registry.collections.ServiceReferenceMapperFactory Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.registry.collections;
import com.liferay.registry.Registry;
import com.liferay.registry.RegistryUtil;
import com.liferay.registry.ServiceReference;
/**
* @author Carlos Sierra Andrés
*/
public class ServiceReferenceMapperFactory {
public static ServiceReferenceMapper create(
final ServiceMapper serviceMapper) {
return new ServiceReferenceMapper() {
@Override
public void map(
ServiceReference serviceReference, Emitter emitter) {
Registry registry = RegistryUtil.getRegistry();
S service = registry.getService(serviceReference);
try {
serviceMapper.map(service, emitter);
}
finally {
registry.ungetService(serviceReference);
}
}
};
}
public static ServiceReferenceMapper create(
final String propertyKey) {
return new ServiceReferenceMapper() {
@Override
public void map(
ServiceReference serviceReference, Emitter emitter) {
Object propertyValue = serviceReference.getProperty(
propertyKey);
if (propertyValue == null) {
return;
}
if (propertyValue instanceof Object[]) {
for (K k : (K[])propertyValue) {
emitter.emit(k);
}
}
else {
emitter.emit((K)propertyValue);
}
}
};
}
}