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// Portions Copyright [2018-2019] [Payara Foundation and/or its affiliates]

/*
 * ContainerCallbackHandler
 *
 * Created on April 21, 2004, 11:56 AM
 */

package com.sun.enterprise.security.jaspic.callback;

import com.sun.enterprise.security.SecurityServicesUtil;
import com.sun.enterprise.security.jaspic.config.CallbackHandlerConfig;
import com.sun.enterprise.security.jaspic.config.HandlerContext;

import java.io.IOException;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;

import org.glassfish.internal.api.Globals;
import org.jvnet.hk2.annotations.ContractsProvided;
import org.jvnet.hk2.annotations.Service;

/**
 * @author Shing Wai Chan
 */
@Service
@ContractsProvided({ ContainerCallbackHandler.class, CallbackHandler.class })
public final class ContainerCallbackHandler implements CallbackHandler, CallbackHandlerConfig {
    
    private final CallbackHandler handler;

    public ContainerCallbackHandler() {
        if (Globals.getDefaultHabitat() == null || SecurityServicesUtil.getInstance().isACC()) {
            handler = new ClientContainerCallbackHandler();
        } else {
            handler = new ServerContainerCallbackHandler();
        }
    }

    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
        handler.handle(callbacks);
    }

    public void setHandlerContext(HandlerContext handlerContext) {
        ((CallbackHandlerConfig) handler).setHandlerContext(handlerContext);
    }

    public void setHandlerContext(String realm) {
        ((BaseContainerCallbackHandler) handler).setHandlerContext(() -> realm);
    }
}