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package org.nakedobjects.headlessviewer.viewer.internal;

import java.util.Collection;
import java.util.Map;

import org.nakedobjects.headlessviewer.applib.HeadlessViewer;
import org.nakedobjects.headlessviewer.applib.HeadlessViewer.ExecutionMode;
import org.nakedobjects.metamodel.runtimecontext.RuntimeContext;
import org.nakedobjects.metamodel.spec.feature.OneToManyAssociation;


public class Proxy {

    public static  T proxy(
            final T toProxy,
            final HeadlessViewer embeddedViewer,
            final ExecutionMode mode,
            final RuntimeContext runtimeContext) {
        final DomainObjectInvocationHandler invocationHandler = 
        	new DomainObjectInvocationHandler(toProxy, embeddedViewer, mode, runtimeContext);

        final CgLibProxy cglibProxy = new CgLibProxy(invocationHandler);
        return cglibProxy.proxy();
    }

    /**
     * Whether to execute or not will be picked up from the supplied parent handler.
     */
    public static  Collection proxy(
            final Collection collectionToProxy,
            final String collectionName,
            final DomainObjectInvocationHandler handler,
            final RuntimeContext runtimeContext,
            final OneToManyAssociation otma) {

        final CollectionInvocationHandler> collectionInvocationHandler = 
        	new CollectionInvocationHandler>(
                collectionToProxy, collectionName, handler, runtimeContext, otma);
        collectionInvocationHandler.setResolveObjectChangedEnabled(handler.isResolveObjectChangedEnabled());

        final CgLibProxy> cglibProxy = new CgLibProxy>(collectionInvocationHandler);
        return cglibProxy.proxy();
    }

    /**
     * Whether to execute or not will be picked up from the supplied parent handler.
     */
    public static  Map proxy(
            final Map collectionToProxy,
            final String collectionName,
            final DomainObjectInvocationHandler handler,
            final RuntimeContext runtimeContext,
            final OneToManyAssociation otma) {

        final MapInvocationHandler> mapInvocationHandler = new MapInvocationHandler>(collectionToProxy,
                collectionName, handler, runtimeContext, otma);
        mapInvocationHandler.setResolveObjectChangedEnabled(handler.isResolveObjectChangedEnabled());

        final CgLibProxy> cglibProxy = new CgLibProxy>(mapInvocationHandler);
        return cglibProxy.proxy();
    }

}