org.broadleafcommerce.openadmin.security.CompatibleGWTSecuredHandler Maven / Gradle / Ivy

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/*
 * Copyright 2008-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.broadleafcommerce.openadmin.security;

import javax.servlet.http.HttpServletRequest;

import net.entropysoft.transmorph.DefaultConverters;
import net.entropysoft.transmorph.Transmorph;
import net.entropysoft.transmorph.converters.beans.BeanToBeanMapping;

import org.gwtwidgets.server.spring.GWTHandler;
import org.gwtwidgets.server.spring.GWTRPCServiceExporter;
import org.springframework.web.servlet.HandlerExecutionChain;

/**
 * 
 * @author jfischer
 *
 */
public class CompatibleGWTSecuredHandler extends GWTHandler {

	@Override
	protected Object getHandlerInternal(HttpServletRequest request) throws Exception {
		final Object handlerWrapper = super.getHandlerInternal(request);
		if (handlerWrapper instanceof HandlerExecutionChain) {
			final Object handler = ((HandlerExecutionChain) handlerWrapper).getHandler();
			if (handler instanceof GWTRPCServiceExporter) {
				final DefaultConverters defaultConverters = new DefaultConverters();
				final Transmorph transmorph = new Transmorph(this.getClass().getClassLoader(), defaultConverters);

				BeanToBeanMapping beanToBeanMapping = null;
				beanToBeanMapping = new BeanToBeanMapping(
						CompatibleGWTSecuredRPCServiceExporter.class,
						GWTRPCServiceExporter.class);
				defaultConverters.getBeanToBean().addBeanToBeanMapping(beanToBeanMapping);

				beanToBeanMapping = new BeanToBeanMapping(
						GWTRPCServiceExporter.class,
						CompatibleGWTSecuredRPCServiceExporter.class);
				defaultConverters.getBeanToBean().addBeanToBeanMapping(beanToBeanMapping);

				final CompatibleGWTSecuredRPCServiceExporter wrapper = (CompatibleGWTSecuredRPCServiceExporter) transmorph.convert(handler, CompatibleGWTSecuredRPCServiceExporter.class);
				wrapper.afterPropertiesSet();

				return new HandlerExecutionChain(wrapper, ((HandlerExecutionChain) handlerWrapper).getInterceptors());
			}
		}
		return handlerWrapper;
	}

}