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A collection of classes shared by broadleaf profile, cms, admin, and core.

There is a newer version: 3.1.15-GA

/*
 * #%L
 * BroadleafCommerce Common Libraries
 * %%
 * Copyright (C) 2009 - 2013 Broadleaf Commerce
 * %%
 * 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.
 * #L%
 */
package org.broadleafcommerce.common.web.util;

import org.broadleafcommerce.common.web.resource.BroadleafResourceHttpRequestHandler;
import org.springframework.context.ApplicationContext;
import org.thymeleaf.Arguments;
import org.thymeleaf.spring3.context.SpringWebContext;

import java.util.HashMap;
import java.util.Map;

/**
 * Note that the utility methods to return a js or css request handler cannot be replaced with @Resource
 * annotations due to these beans only existing in a web application context, whereas the callers of these
 * resources may exist in both web and non-web application contexts.
 * 
 * @author Andre Azzolini (apazzolini)
 */
public class ProcessorUtils {
    
    protected static Map cachedBeans = new HashMap();
    
    /**
     * Note: See the class level comment for {@link ProcessorUtils}
     * 
     * @param arguments
     * @return the "blJsResources" bean
     */
    public static BroadleafResourceHttpRequestHandler getJsRequestHandler(Arguments arguments) {
        String key = "blJsResources";
        BroadleafResourceHttpRequestHandler reqHandler = (BroadleafResourceHttpRequestHandler) cachedBeans.get(key);
        if (reqHandler == null) {
            final ApplicationContext appCtx = ((SpringWebContext) arguments.getContext()).getApplicationContext();
            reqHandler = (BroadleafResourceHttpRequestHandler) appCtx.getBean(key);
            cachedBeans.put(key, reqHandler);
        }
        return reqHandler;
    }
    
    /**
     * Note: See the class level comment for {@link ProcessorUtils}
     * 
     * @param arguments
     * @return the "blCssResources" bean
     */
    public static BroadleafResourceHttpRequestHandler getCssRequestHandler(Arguments arguments) {
        String key = "blCssResources";
        BroadleafResourceHttpRequestHandler reqHandler = (BroadleafResourceHttpRequestHandler) cachedBeans.get(key);
        if (reqHandler == null) {
            final ApplicationContext appCtx = ((SpringWebContext) arguments.getContext()).getApplicationContext();
            reqHandler = (BroadleafResourceHttpRequestHandler) appCtx.getBean(key);
            cachedBeans.put(key, reqHandler);
        }
        return reqHandler;
    }

}