1   /**
2    * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.search.action;
24  
25  import com.liferay.portal.kernel.search.OpenSearch;
26  import com.liferay.portal.kernel.util.ContentTypes;
27  import com.liferay.portal.kernel.util.StringPool;
28  import com.liferay.portal.search.PortalOpenSearchImpl;
29  import com.liferay.portal.struts.ActionConstants;
30  import com.liferay.util.servlet.ServletResponseUtil;
31  
32  import javax.servlet.http.HttpServletRequest;
33  import javax.servlet.http.HttpServletResponse;
34  import javax.servlet.jsp.PageContext;
35  
36  import org.apache.struts.action.Action;
37  import org.apache.struts.action.ActionForm;
38  import org.apache.struts.action.ActionForward;
39  import org.apache.struts.action.ActionMapping;
40  
41  /**
42   * <a href="OpenSearchAction.java.html"><b><i>View Source</i></b></a>
43   *
44   * @author Brian Wing Shun Chan
45   *
46   */
47  public class OpenSearchAction extends Action {
48  
49      public ActionForward execute(
50              ActionMapping mapping, ActionForm form, HttpServletRequest req,
51              HttpServletResponse res)
52          throws Exception {
53  
54          try {
55              ServletResponseUtil.sendFile(
56                  res, null, getXML(req), ContentTypes.TEXT_XML_UTF8);
57  
58              return null;
59          }
60          catch (Exception e) {
61              req.setAttribute(PageContext.EXCEPTION, e);
62  
63              return mapping.findForward(ActionConstants.COMMON_ERROR);
64          }
65      }
66  
67      protected byte[] getXML(HttpServletRequest req) throws Exception {
68          OpenSearch search = new PortalOpenSearchImpl();
69  
70          String xml = search.search(
71              req,
72              req.getRequestURL().toString() + StringPool.QUESTION +
73                  req.getQueryString());
74  
75          return xml.getBytes();
76      }
77  
78  }