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package com.sun.enterprise.config.modularity;
import com.sun.enterprise.config.modularity.parser.ModuleConfigurationLoader;
import com.sun.enterprise.config.util.ConfigApiLoggerInfo;
import org.glassfish.api.logging.LogHelper;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.ConfigBean;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.ConfigExtensionHandler;
import org.jvnet.hk2.config.TransactionFailure;
import javax.inject.Inject;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This is to integrate the whole getExtensionByType with the config modularity irrelevant of the invocation point.
* More explanation at Config Modularity one pager and
*
* @author Masoud Kalali
*/
@Service(name = "basic-config-extension-handler")
public class ExtensionPatternInvocationImpl implements ConfigExtensionHandler {
private static final Logger LOG = ConfigApiLoggerInfo.getLogger();
@Inject
ServiceLocator serviceLocator;
@Inject
private ModuleConfigurationLoader moduleConfigurationLoader;
@Inject
private ConfigModularityUtils configModularityUtils;
@Override
public ConfigBeanProxy handleExtension(Object owner, Class ownerType, Object[] params) {
if (((Class) params[0]).getName().equals("com.sun.enterprise.config.serverbeans.SystemProperty")) return null;
ConfigBeanProxy configExtension = null;
List<ConfigBeanProxy> extensions = configModularityUtils.getExtensions(((ConfigBean) owner).createProxy(ownerType));
for (ConfigBeanProxy extension : extensions) {
try {
configExtension = (ConfigBeanProxy) ((Class) params[0]).cast(extension);
return configExtension;
} catch (Exception e) {
// ignore, not the right type.
}
}
try {
ConfigBeanProxy pr = ((ConfigBean) owner).createProxy(ownerType);
ConfigBeanProxy returnValue = moduleConfigurationLoader.createConfigBeanForType((Class) params[0], pr);
return returnValue;
} catch (TransactionFailure transactionFailure) {
LogHelper.log(LOG, Level.INFO, "Cannot get extension type {0} for {1}.",
transactionFailure, new Object[]{
owner.getClass().getName(), ownerType.getName()});
return null;
}
}
}