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1
9 package org.jboss.portal.core.theme.tag.basic;
10
11 import org.jboss.portal.server.PortalRequest;
12 import org.jboss.portal.server.PortalResponse;
13 import org.jboss.portal.server.PortalServer;
14 import org.jboss.portal.server.ServerObjectID;
15 import org.jboss.portal.server.Window;
16 import org.jboss.portal.server.WindowContext;
17 import org.jboss.portal.server.WindowURL;
18 import org.jboss.portal.server.output.FragmentResult;
19 import org.jboss.portal.server.plugins.mode.Mode;
20 import org.jboss.portal.server.plugins.windowstate.WindowState;
21 import org.jboss.portal.server.theme.Item;
22 import org.jboss.portal.server.theme.PageHolder;
23 import org.jboss.portal.server.theme.Region;
24 import org.jboss.portal.server.theme.RegionSet;
25
26 import javax.servlet.jsp.JspException  ;
27 import javax.servlet.jsp.tagext.BodyTagSupport ;
28 import javax.servlet.jsp.tagext.IterationTag ;
29 import javax.servlet.jsp.tagext.Tag ;
30 import java.io.StringWriter ;
31 import java.util.ArrayList ;
32 import java.util.HashSet ;
33 import java.util.Iterator ;
34 import java.util.List ;
35 import java.util.Set ;
36 import java.util.StringTokenizer ;
37
38
42 public class IterateTag extends BodyTagSupport
43 {
44
45
48 private String region;
49
50
53 private Iterator iterator;
54
55
58 private FragmentResult fragment;
59
60
63 private PortalServer server;
64
65
68 Window window;
69
70
73 PortalResponse resp;
74
75
78 WindowURL navURL;
79
80 public String getRegion()
81 {
82 return region;
83 }
84
85 public void setRegion(String region)
86 {
87 this.region = region;
88 }
89
90
92 private boolean next()
93 {
94 if (iterator.hasNext())
95 {
96 Item item = (Item)iterator.next();
97 fragment = item.getFragment();
98
99 WindowContext wctx = fragment.getProducer();
101 ServerObjectID id = wctx.getID();
102 window = (Window)server.getObject(id);
103
104 navURL = (WindowURL)window.createURL();
106 navURL.setType(WindowURL.TYPE_NAVIGATION);
107
108 String title = fragment.getTitle();
110 pageContext.setAttribute(IterateTEI.IMPLICIT_TITLE, String.valueOf(title));
111
112 StringWriter chars = fragment.getChars();
114 String content = chars == null ? "" : chars.toString();
115 pageContext.setAttribute(IterateTEI.IMPLICIT_CONTENT, content);
116
117 pageContext.setAttribute(IterateTEI.IMPLICIT_CURRENT_MODE, String.valueOf(wctx.getMode()));
119
120 Set modes = new HashSet ();
122 for (Iterator i = window.getSupportedModes("text/html").iterator(); i.hasNext();)
123 {
124 Mode mode = (Mode)i.next();
125 modes.add(mode.toString());
126 }
127 pageContext.setAttribute(IterateTEI.IMPLICIT_SUPPORTED_MODES, modes);
128
129 pageContext.setAttribute(IterateTEI.IMPLICIT_CURRENT_WINDOW_STATE, String.valueOf(wctx.getWindowState()));
131
132 Set windowStates = new HashSet ();
134 for (Iterator i = window.getSupportedWindowStates().iterator(); i.hasNext();)
135 {
136 WindowState windowState = (WindowState)i.next();
137 windowStates.add(windowState.toString());
138 }
139 pageContext.setAttribute(IterateTEI.IMPLICIT_SUPPORTED_WINDOW_STATES, windowStates);
140
141 return true;
142 }
143 else
144 {
145 fragment = null;
146 return false;
147 }
148 }
149
150 public int doStartTag() throws JspException
151 {
152 PortalRequest preq = (PortalRequest)pageContext.getRequest().getAttribute("REQ");
153 PageHolder page = (PageHolder)pageContext.getRequest().getAttribute("PAGE");
154 RegionSet regions = page.getRegions();
155
156 List items = new ArrayList (10);
158 for (StringTokenizer tokenizer = new StringTokenizer (this.region, ","); tokenizer.hasMoreTokens();)
159 {
160 String token = tokenizer.nextToken().trim();
161 Region region = regions.getRegion(token);
162 if (region != null)
163 {
164 for (Iterator i = region.items(); i.hasNext();)
165 {
166 Item item = (Item)i.next();
167 items.add(item);
168 }
169 }
170 }
171
172 resp = (PortalResponse)pageContext.getRequest().getAttribute("RESP");
174 server = preq.getServer();
175 iterator = items.iterator();
176 if (next())
177 {
178 return Tag.EVAL_BODY_INCLUDE;
179 }
180 else
181 {
182 return Tag.SKIP_BODY;
183 }
184 }
185
186 public int doAfterBody() throws JspException
187 {
188 if (next())
189 {
190 return IterationTag.EVAL_BODY_AGAIN;
191 }
192 else
193 {
194 return IterationTag.SKIP_BODY;
195 }
196 }
197
198 public int doEndTag() throws JspException
199 {
200 resp = null;
201 iterator = null;
202 server = null;
203 fragment = null;
204 window = null;
205 resp = null;
206 navURL = null;
207 return Tag.EVAL_PAGE;
208 }
209 }
210 |
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