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package org.glassfish.config.support;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.config.serverbeans.Cluster;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.ConfigBeanProxy;
import org.jvnet.hk2.config.ConfigModel;
import org.jvnet.hk2.config.Dom;
import javax.inject.Inject;
import java.util.Collection;
/**
* Resolver based on a supplied target parameter (with a possible default
* value).
*
* @author Jerome Dochez
*/
@Service
public class TargetBasedResolver implements CrudResolver {
@Param(defaultValue = "server", optional=true)
String target="server";
@Inject
ServiceLocator habitat;
@Override
public <T extends ConfigBeanProxy> T resolve(AdminCommandContext context, Class<T> type) {
try {
ConfigBeanProxy proxy = getTarget(Config.class, type);
if (proxy==null) {
proxy=getTarget(Cluster.class, type);
}
if (proxy==null) {
proxy=getTarget(Server.class, type);
}
return type.cast(proxy);
} catch (ClassNotFoundException e) {
e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
}
return null;
}
private <T extends ConfigBeanProxy> T getTarget(Class<? extends ConfigBeanProxy> targetType, Class<T> type) throws ClassNotFoundException {
// when using the target based parameter, we look first for a configuration of that name,
// then we look for a cluster of that name and finally we look for a subelement of the right type
final String name = getName();
ConfigBeanProxy config = habitat.getService(targetType, target);
if (config!=null) {
try {
return type.cast(config);
} catch (ClassCastException e) {
// ok we need to do more work to find which object is really requested.
}
Dom parentDom = Dom.unwrap(config);
String elementName = GenericCrudCommand.elementName(parentDom.document, targetType, type);
if (elementName==null) {
return null;
}
ConfigModel.Property property = parentDom.model.getElement(elementName);
if (property.isCollection()) {
Collection<Dom> collection = parentDom.nodeElements(elementName);
if (collection==null) {
return null;
}
for (Dom child : collection) {
if (name.equals(child.attribute("ref"))) {
return type.cast(child.<ConfigBeanProxy>createProxy());
}
}
}
}
return null;
}
public String getName() {
return "";
}
}