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// Portions Copyright [2018] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.security.webservices;

import static java.util.Collections.synchronizedMap;

import java.util.Map;
import java.util.Map.Entry;
import java.util.WeakHashMap;

import com.sun.enterprise.deployment.ServiceReferenceDescriptor;
import com.sun.jaspic.services.AuthConfigRegistrationWrapper;

public class ClientPipeCloser {
    
    private static final ClientPipeCloser INSTANCE = new ClientPipeCloser();

    private Map svcRefListenerMap = synchronizedMap(new WeakHashMap<>());

    private ClientPipeCloser() {
    }

    public static ClientPipeCloser getInstance() {
        return INSTANCE;
    }

    public void registerListenerWrapper(ServiceReferenceDescriptor desc, AuthConfigRegistrationWrapper wrapper) {
        svcRefListenerMap.put(desc, wrapper);
    }

    public AuthConfigRegistrationWrapper lookupListenerWrapper(ServiceReferenceDescriptor desc) {
        return (AuthConfigRegistrationWrapper) svcRefListenerMap.get(desc);
    }

    public void removeListenerWrapper(AuthConfigRegistrationWrapper wrapper) {
        ServiceReferenceDescriptor entryToRemove = null;

        for (Entry entry : svcRefListenerMap.entrySet()) {
            ServiceReferenceDescriptor svc = entry.getKey();
            AuthConfigRegistrationWrapper wrp = entry.getValue();
            if (wrp == wrapper) {
                entryToRemove = svc;
                break;
            }
        }
        if (entryToRemove != null) {
            svcRefListenerMap.remove(entryToRemove);
        }
    }

    public void cleanupClientPipe(ServiceReferenceDescriptor desc) {
        AuthConfigRegistrationWrapper listenerWrapper = (AuthConfigRegistrationWrapper) svcRefListenerMap.get(desc);
        if (listenerWrapper != null) {
            listenerWrapper.disable();
        }
        svcRefListenerMap.remove(desc);
    }
}