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package org.glassfish.resourcebase.resources;
import com.sun.enterprise.config.serverbeans.Resource;
import org.jvnet.hk2.annotations.Service;
import java.util.*;
/**
* Created with IntelliJ IDEA.
* User: naman
* Date: 4/12/12
* Time: 2:27 PM
* To change this template use File | Settings | File Templates.
*/
@Service
public class ResourceTypeOrderProcessor {
public Collection<Resource> getOrderedResources(Collection<Resource> resources) {
List resourceList = new ArrayList(resources);
Collections.sort(resourceList,new ResourceComparator());
return resourceList;
}
private class ResourceComparator implements Comparator<Resource> {
@Override
public int compare(Resource o1, Resource o2) {
Class o1Class = null;
Class o2Class = null;
Class[] interfaces = o1.getClass().getInterfaces();
if(interfaces != null){
for(Class clz : interfaces){
if(Resource.class.isAssignableFrom(clz)){
o1Class = clz;
}
}
}
interfaces = o2.getClass().getInterfaces();
if(interfaces != null){
for(Class clz : interfaces){
if(Resource.class.isAssignableFrom(clz)){
o2Class = clz;
}
}
}
if(!o1Class.equals(o2Class)) {
int o1deploymentOrder = 100;
int o2deploymentOrder = 100;
Class<?>[] allInterfaces = o1.getClass().getInterfaces();
for (Class<?> resourceInterface : allInterfaces) {
ResourceTypeOrder resourceTypeOrder = (org.glassfish.resourcebase.resources.ResourceTypeOrder) resourceInterface.getAnnotation(org.glassfish.resourcebase.resources.ResourceTypeOrder.class);
if (resourceTypeOrder != null) {
o1deploymentOrder = resourceTypeOrder.deploymentOrder().getResourceDeploymentOrder();
}
}
allInterfaces = o2.getClass().getInterfaces();
for (Class<?> resourceInterface : allInterfaces) {
ResourceTypeOrder resourceTypeOrder = (ResourceTypeOrder) resourceInterface.getAnnotation(ResourceTypeOrder.class);
if (resourceTypeOrder != null) {
o2deploymentOrder = resourceTypeOrder.deploymentOrder().getResourceDeploymentOrder();
}
}
return (o2deploymentOrder>o1deploymentOrder ? -1 : (o2deploymentOrder==o1deploymentOrder ? 0 : 1));
} else {
int i1 = Integer.parseInt(o1.getDeploymentOrder());
int i2 = Integer.parseInt(o2.getDeploymentOrder());
return (i2>i1 ? -1 : (i1==i2 ? 0 : 1));
}
}
}
}