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.portlet.search.action;
016    
017    import com.liferay.portal.kernel.search.OpenSearch;
018    import com.liferay.portal.kernel.servlet.ServletResponseUtil;
019    import com.liferay.portal.kernel.util.ContentTypes;
020    import com.liferay.portal.kernel.util.StringPool;
021    import com.liferay.portal.search.PortalOpenSearchImpl;
022    import com.liferay.portal.util.PortalUtil;
023    
024    import javax.servlet.http.HttpServletRequest;
025    import javax.servlet.http.HttpServletResponse;
026    
027    import org.apache.struts.action.Action;
028    import org.apache.struts.action.ActionForm;
029    import org.apache.struts.action.ActionForward;
030    import org.apache.struts.action.ActionMapping;
031    
032    /**
033     * @author Brian Wing Shun Chan
034     */
035    public class OpenSearchAction extends Action {
036    
037            @Override
038            public ActionForward execute(
039                            ActionMapping actionMapping, ActionForm actionForm,
040                            HttpServletRequest request, HttpServletResponse response)
041                    throws Exception {
042    
043                    try {
044                            ServletResponseUtil.sendFile(
045                                    request, response, null, getXML(request),
046                                    ContentTypes.TEXT_XML_UTF8);
047    
048                            return null;
049                    }
050                    catch (Exception e) {
051                            PortalUtil.sendError(e, request, response);
052    
053                            return null;
054                    }
055            }
056    
057            protected byte[] getXML(HttpServletRequest request) throws Exception {
058                    OpenSearch search = new PortalOpenSearchImpl();
059    
060                    String xml = search.search(
061                            request,
062                            request.getRequestURL().toString() + StringPool.QUESTION +
063                                    request.getQueryString());
064    
065                    return xml.getBytes();
066            }
067    
068    }