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1
5 package org.jresearch.gossip.tags;
6
7 import java.util.ArrayList  ;
8 import java.util.Iterator ;
9
10 import javax.servlet.http.HttpServletRequest ;
11 import javax.servlet.http.HttpServletResponse ;
12 import javax.servlet.http.HttpSession ;
13 import javax.servlet.jsp.JspException ;
14 import javax.servlet.jsp.JspWriter ;
15 import javax.servlet.jsp.tagext.TagSupport ;
16
17 import org.apache.log.Logger;
18 import org.jresearch.gossip.IConst;
19 import org.jresearch.gossip.beans.forum.Forum;
20 import org.jresearch.gossip.beans.forum.Group;
21 import org.jresearch.gossip.exception.SystemException;
22 import org.jresearch.gossip.log.avalon.JGossipLog;
23 import org.jresearch.gossip.util.HtmlCodec;
24
25
30 public class JumpToOptionsTag extends TagSupport {
31
32
35 private Logger log;
36
37 private boolean addUrl = true;
38
39
42 public JumpToOptionsTag() {
43 super();
44 try {
45 log = JGossipLog.getInstance().getAppLogger();
46 } catch (SystemException e) {
47 }
48 }
49
50
58 public int doStartTag() throws JspException {
59 try {
60 JspWriter out = pageContext.getOut();
61 HttpServletRequest req = (HttpServletRequest ) pageContext
62 .getRequest();
63 HttpServletResponse response = (HttpServletResponse ) pageContext
64 .getResponse();
65 HttpSession session = req.getSession();
66 ArrayList groups = (ArrayList ) session
67 .getAttribute(IConst.SESSION.GROUPS_KEY);
68 Iterator it = groups.iterator();
69 int fid = -1;
70
71 if (req.getParameter("fid") != null) {
72 try {
73 fid = Integer.parseInt(req.getParameter("fid"));
74 } catch (NumberFormatException ex) {
75 }
76 }
77
78 while (it.hasNext()) {
79 out.println("<option value=\"\">"
80 + IConst.JSP.OPTIONS_SEPERATOR + "</option>");
81
82 ArrayList forums = ((Group) it.next()).getForums();
83 Iterator itr = forums.iterator();
84
85 while (itr.hasNext()) {
86 Forum forum = (Forum) itr.next();
87 StringBuffer option = new StringBuffer ("<option value=\"");
88
89 if (this.addUrl) {
90 StringBuffer href = new StringBuffer (
91 "ShowForum.do?fid=");
92 href.append(forum.getForumid());
93 option.append(response.encodeURL(href.toString()));
94 } else {
95 option.append(forum.getForumid());
96 }
97
98 option.append("\" title=\"");
99 option.append(HtmlCodec.encode(forum.getTitle()));
100 option.append("\" ");
101 option
102 .append((forum.getForumid() == fid) ? "selected"
103 : "");
104 option.append(" >");
105 option.append(HtmlCodec.encode(forum.getTitle()));
106 option.append("</option>");
107 out.println(option.toString());
108 }
109 }
110 } catch (Exception ex) {
111 if (log.isErrorEnabled()) {
112 log.error("JumpToOptionsTag::", ex);
113 }
114 throw new JspException ("error in JumpToOptionsTag tag:", ex);
115 }
116
117 return (SKIP_BODY);
118 }
119
120
128 public int doEndTag() throws JspException {
129 return (EVAL_PAGE);
130 }
131
132
137 public void setAddUrl(boolean b) {
138 addUrl = b;
139 }
140 }
141 |
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