001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.servlet.filters.jsoncontenttype;
016    
017    import com.liferay.portal.kernel.servlet.BrowserSnifferUtil;
018    import com.liferay.portal.servlet.filters.BasePortalFilter;
019    
020    import javax.servlet.FilterChain;
021    import javax.servlet.FilterConfig;
022    import javax.servlet.http.HttpServletRequest;
023    import javax.servlet.http.HttpServletResponse;
024    
025    /**
026     * @author Igor Spasic
027     */
028    public class JSONContentTypeFilter extends BasePortalFilter {
029    
030            @Override
031            public void init(FilterConfig filterConfig) {
032                    super.init(filterConfig);
033            }
034    
035            @Override
036            protected void processFilter(
037                            HttpServletRequest request, HttpServletResponse response,
038                            FilterChain filterChain)
039                    throws Exception {
040    
041                    if (!BrowserSnifferUtil.isIe(request)) {
042                            processFilter(
043                                    JSONContentTypeFilter.class, request, response, filterChain);
044                    }
045                    else {
046                            processFilter(
047                                    JSONContentTypeFilter.class, request,
048                                    new JSONContentTypeResponse(response), filterChain);
049                    }
050            }
051    
052    }