001    /**
002     * Copyright (c) 2000-2010 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.util.ContentTypes;
019    import com.liferay.portal.kernel.util.StringPool;
020    import com.liferay.portal.search.PortalOpenSearchImpl;
021    import com.liferay.portal.util.PortalUtil;
022    import com.liferay.util.servlet.ServletResponseUtil;
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            public ActionForward execute(
038                            ActionMapping mapping, ActionForm form, HttpServletRequest request,
039                            HttpServletResponse response)
040                    throws Exception {
041    
042                    try {
043                            ServletResponseUtil.sendFile(
044                                    request, response, null, getXML(request),
045                                    ContentTypes.TEXT_XML_UTF8);
046    
047                            return null;
048                    }
049                    catch (Exception e) {
050                            PortalUtil.sendError(e, request, response);
051    
052                            return null;
053                    }
054            }
055    
056            protected byte[] getXML(HttpServletRequest request) throws Exception {
057                    OpenSearch search = new PortalOpenSearchImpl();
058    
059                    String xml = search.search(
060                            request,
061                            request.getRequestURL().toString() + StringPool.QUESTION +
062                                    request.getQueryString());
063    
064                    return xml.getBytes();
065            }
066    
067    }