org.broadleafcommerce.common.web.filter.TranslationFilter Maven / Gradle / Ivy

/*
 * #%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.filter;

import org.broadleafcommerce.common.i18n.service.TranslationConsiderationContext;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.ServletWebRequest;
import org.springframework.web.filter.GenericFilterBean;

import javax.annotation.Resource;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Responsible for setting the necessary attributes on the {@link TranslationConsiderationContext}.
 * 
 * @author Andre Azzolini (apazzolini), bpolster
 */
@Component("blTranslationFilter")
public class TranslationFilter extends GenericFilterBean {
    
    @Resource(name = "blTranslationRequestProcessor")
    protected TranslationRequestProcessor translationRequestProcessor;

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException {
        try {
            translationRequestProcessor.process(new ServletWebRequest((HttpServletRequest) request, (HttpServletResponse) response));
            filterChain.doFilter(request, response);
        } finally {
            translationRequestProcessor.postProcess(new ServletWebRequest((HttpServletRequest) request, (HttpServletResponse) response));
        }
    }
}