|
1
6
7 package org.contineo.actions.search;
8
9 import java.util.Collection  ;
10 import java.util.Vector ;
11 import javax.servlet.http.HttpServletRequest ;
12 import javax.servlet.http.HttpServletResponse ;
13 import javax.servlet.http.HttpSession ;
14 import org.apache.log4j.Level;
15 import org.apache.log4j.Logger;
16 import org.apache.struts.action.Action;
17 import org.apache.struts.action.ActionError;
18 import org.apache.struts.action.ActionErrors;
19 import org.apache.struts.action.ActionForm;
20 import org.apache.struts.action.ActionForward;
21 import org.apache.struts.action.ActionMapping;
22 import org.contineo.core.LoggingManager;
23 import org.contineo.core.SessionManagement;
24 import org.contineo.core.config.SearchSettings;
25 import org.contineo.core.config.dao.SearchSettingsDAO;
26 import org.contineo.searchengine.search.Search;
27 import org.contineo.searchengine.search.SearchOptions;
28 import org.contineo.searchengine.util.EdgeCounter;
29 import org.contineo.searchengine.util.TermSelector;
30
34 public class SearchNextAction extends Action {
35
36
40 private Logger logger;
41
42
43
44 public SearchNextAction() {
45 logger = LoggingManager.getLogger(this.getClass());
46 }
47
48 public ActionForward execute(ActionMapping mapping,
49 ActionForm form, HttpServletRequest request,
50 HttpServletResponse response) {
51 ActionForward actionForward = new ActionForward();
52 ActionErrors errors = new ActionErrors();
53 HttpSession session = request.getSession();
54 if (SessionManagement.isValid(session)) {
55 try {
56 String username = (String )session.getAttribute("authuser");
57 SearchSettingsDAO settingsDao = new SearchSettingsDAO();
58 SearchSettings settings = settingsDao.findByPrimaryKey(username);
59 String repres = settings.getRepresentation();
60 String page = request.getParameter("page");
61 String hpp = request.getParameter("hpp");
62 if (hpp == null || hpp.equals(""))
63 hpp = String.valueOf(new SearchOptions().getHitsPerPage());
64 int p = Integer.parseInt(page);
65 int h = Integer.parseInt(hpp);
66 int s = (p-1)*h;
67 Search search = new Search();
69 SearchOptions opt = (SearchOptions)session.getAttribute("options");
70 if (opt == null)
71 opt = new SearchOptions();
72 opt.setStart(s);
73 String lang = (String )session.getAttribute("language");
74 Vector pageVect = opt.getPageVect();
75 Integer resultStart = (Integer )pageVect.get(p-1);
76 opt.setResultStart(resultStart.intValue());
77 Collection result = search.search(opt, lang);
78 request.setAttribute("options", opt);
79 request.setAttribute("hits", new Integer (search.getHitCount()));
80 request.setAttribute("result", result);
81 request.setAttribute("query", opt.getQueryStr());
82 if (result != null) {
83 int ps = search.getHitCount() / h;
84 if ((search.getHitCount() % h) != 0)
85 ps++;
86 request.setAttribute("start", new Integer (s));
87 request.setAttribute("pages", new Integer (ps));
88 request.setAttribute("hpp", new Integer (h));
89 request.setAttribute("pg", new Integer (Integer.parseInt(page)));
90 } else {
91 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("errors.nosearch"));
92 request.setAttribute("pages", new Integer (0));
93 request.setAttribute("hpp", new Integer (0));
94 request.setAttribute("pg", new Integer (0));
95 }
96 if (repres.equals("text")) {
97 actionForward = mapping.findForward("resulttext");
99 } else {
100 request.setAttribute("doccount", new Integer (result.size()));
102
103 Collection keywords = new TermSelector().getTopTerms(result, 10);
105 request.setAttribute("keywords", keywords);
106 request.setAttribute("kwcount", new Integer (keywords.size()));
107 request.setAttribute("edgecount", new Integer (EdgeCounter.count(keywords)));
108 request.setAttribute("elements", new Integer (20));
109 request.setAttribute("screensize", new Integer (settings.getScreenSize()));
110 actionForward = mapping.findForward("resultgraph");
111 }
112 } catch (Exception e) {
113 if (logger.isEnabledFor(Level.ERROR))
114 logger.error(e.getMessage());
115 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("errors.nosearch"));
116 actionForward = mapping.findForward("error");
117 }
118 } else
119 actionForward = mapping.findForward("invalid");
120 return actionForward;
121 }
122 }
123 |
Popular Tags |
Java API By Example, From Geeks To Geeks.