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/*-
* ============LICENSE_START=======================================================
* ONAP : CCSDK
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.ccsdk.sli.core.sli.provider;
import java.util.HashMap;
import org.onap.ccsdk.sli.core.sli.SvcLogicAdaptor;
import org.osgi.framework.BundleContext;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.ServiceReference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SvcLogicAdaptorFactory {
private static final Logger LOG = LoggerFactory
.getLogger(SvcLogicAdaptorFactory.class);
private static HashMap<String, SvcLogicAdaptor> adaptorMap = new HashMap<String, SvcLogicAdaptor>();
public static void registerAdaptor(SvcLogicAdaptor adaptor) {
String name = adaptor.getClass().getName();
LOG.info("Registering adaptor " + name);
adaptorMap.put(name, adaptor);
}
public static void unregisterAdaptor(String name) {
if (adaptorMap.containsKey(name)) {
LOG.info("Unregistering " + name);
adaptorMap.remove(name);
}
}
public static SvcLogicAdaptor getInstance(String name) {
if (adaptorMap.containsKey(name)) {
return (adaptorMap.get(name));
} else {
BundleContext bctx = null;
try
{
bctx = FrameworkUtil.getBundle(SvcLogicAdaptorFactory.class)
.getBundleContext();
}
catch (Exception e)
{
LOG.debug("Caught exception trying to locate device adaptor "+name, e);
return(null);
}
ServiceReference sref = bctx.getServiceReference(name);
if (sref != null) {
SvcLogicAdaptor adaptor = (SvcLogicAdaptor) bctx
.getService(sref);
if (adaptor != null) {
registerAdaptor(adaptor);
return (adaptor);
}
return (null);
}
}
return(null);
}
}
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