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1
6
7 package org.contineo.actions;
8
9 import java.util.ArrayList  ;
10 import java.util.Collection ;
11 import java.util.Enumeration ;
12 import java.util.Hashtable ;
13 import java.util.Iterator ;
14
15 import javax.servlet.http.HttpServletRequest ;
16 import javax.servlet.http.HttpServletResponse ;
17 import javax.servlet.http.HttpSession ;
18
19 import org.apache.log4j.Level;
20 import org.apache.log4j.Logger;
21 import org.apache.struts.action.Action;
22 import org.apache.struts.action.ActionForm;
23 import org.apache.struts.action.ActionForward;
24 import org.apache.struts.action.ActionMapping;
25 import org.contineo.core.LoggingManager;
26 import org.contineo.core.SessionManagement;
27 import org.contineo.documan.Keyword;
28 import org.contineo.documan.Keywords;
29 import org.contineo.documan.dao.KeywordDAO;
30
35 public class ShowKeywordsAction extends Action {
36
37 private Logger logger;
38
39
40 public ShowKeywordsAction() {
41 logger = LoggingManager.getLogger(this.getClass());
42 }
43
44 public ActionForward execute(ActionMapping mapping,
45 ActionForm form, HttpServletRequest request,
46 HttpServletResponse response) {
47 ActionForward actionForward = new ActionForward();
48 HttpSession session = request.getSession();
49 if (SessionManagement.isValid(session)) {
50 try {
51 session.setAttribute("helppage", "showkeywords");
52 String letter = request.getParameter("letter");
53 if (letter == null || letter.length() == 0)
54 letter = "a";
55 String username = (String )session.getAttribute("authuser");
56 KeywordDAO keywordDao = new KeywordDAO();
57 Collection coll = keywordDao.findByFirstLetter(letter, username);
58 Iterator iter = coll.iterator();
59 Hashtable <String , Integer > table = new Hashtable <String , Integer >(coll.size());
60 while (iter.hasNext()) {
61 Keywords keyword = (Keywords)iter.next();
62 int count = 1;
63 if (table.containsKey(keyword.getKeyword())) {
64 Integer i = (Integer )table.get(keyword.getKeyword());
65 table.remove(keyword.getKeyword());
66 count = i.intValue();
67 count++;
68 }
69 table.put(keyword.getKeyword(), new Integer (count));
70 }
71 Collection <Keyword> keywords = new ArrayList <Keyword>(table.size());
72 Enumeration enum1 = table.keys();
73 while (enum1.hasMoreElements()) {
74 Keyword keyword = new Keyword();
75 String key = (String )enum1.nextElement();
76 Integer value = (Integer )table.get(key);
77 keyword.setWord(key);
78 keyword.setCount(value.intValue());
79 keywords.add(keyword);
80 }
81 request.setAttribute("keywords", keywords);
82 request.setAttribute("letter", letter.toUpperCase());
83 } catch (Exception e) {
84 if (logger.isEnabledFor(Level.ERROR))
85 logger.error(e.getMessage());
86 }
87 actionForward = mapping.findForward("showkeywords");
88 } else
89 actionForward = mapping.findForward("invalid");
90 return actionForward;
91 }
92 }
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Java API By Example, From Geeks To Geeks.