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1
2 package org.roller.presentation.tags.menu;
3
4 import org.apache.commons.digester.Digester;
5 import org.apache.commons.logging.Log;
6 import org.apache.commons.logging.LogFactory;
7 import org.roller.RollerException;
8 import org.roller.config.RollerConfig;
9 import org.roller.pojos.UserData;
10 import org.roller.presentation.RollerRequest;
11 import org.xml.sax.SAXException  ;
12
13 import java.io.InputStream ;
14 import java.util.Hashtable ;
15 import java.util.Iterator ;
16 import java.util.List ;
17 import java.util.Vector ;
18
19 import javax.servlet.ServletContext ;
20 import javax.servlet.http.HttpServletRequest ;
21
22
24
27 public class RollerMenuModel extends BaseRollerMenu implements MenuModel
28 {
29 private static Log mLogger =
30 LogFactory.getFactory().getInstance(RollerMenuModel.class);
31
32 private String mMenuId = null;
33
34
35 private Vector mMenus = new Vector ();
36
37
38 public static final String MENU_KEY = "rmk";
39
40
41 public static final String MENU_ITEM_KEY = "rmik";
42
43
45
46 public RollerMenuModel( String menuId, String config, ServletContext ctx )
47 {
48 try
49 {
50 mMenuId = menuId;
51
52 Digester digester = new Digester();
53 digester.push(this);
54
58 String menuPath = "menu-bar/menu";
59 String menuItemPath = "menu-bar/menu/menu-item";
60
61 digester.addObjectCreate( menuPath,
62 "org.roller.presentation.tags.menu.MenuImpl");
63 digester.addSetProperties( menuPath );
64 digester.addSetNext( menuPath,"addMenu",
65 "org.roller.presentation.tags.menu.Menu");
66
67 digester.addObjectCreate( menuItemPath,
68 "org.roller.presentation.tags.menu.MenuItemImpl");
69 digester.addSetProperties( menuItemPath );
70 digester.addSetNext( menuItemPath, "addItem",
71 "org.roller.presentation.tags.menu.MenuItemImpl");
72
73 InputStream input = ctx.getResourceAsStream(config);
74 try
75 {
76 digester.parse(input);
77
78 if ( getMenus() != null )
79 {
80 Vector menus = getMenus();
81 for (int i=0; i<menus.size(); i++)
82 {
83 MenuImpl menu = (MenuImpl)menus.elementAt(i);
84 menu.setMenuId( mMenuId );
85 Vector menuItems = menu.getMenuItems();
86 if ( menuItems != null )
87 {
88 for (int j=0; j<menuItems.size(); j++ )
89 {
90 MenuItemImpl item =
91 (MenuItemImpl)menuItems.elementAt(j);
92 item.setMenuId( mMenuId );
93 }
94 }
95 }
96 }
97 }
98 catch (SAXException e)
99 {
100 mLogger.error("Unexpected exception",e);
101 }
102 finally
103 {
104 if ( input!=null )
105 {
106 try { input.close(); }
107 catch (Exception e) { mLogger.error("Unexpected exception",e); };
108 }
109 }
110 }
111 catch (Exception e)
112 {
113 mLogger.error("Unexpected exception",e);
114 }
115 }
116
117
119 public Vector getMenus()
120 {
121 return mMenus;
122 }
123
124 public Menu getSelectedMenu( HttpServletRequest req ) throws RollerException
126 {
127 MenuImpl def = null;
128 MenuImpl selected = null;
129 for ( int i=0; i<mMenus.size(); i++ )
130 {
131 MenuImpl menu = (MenuImpl)mMenus.elementAt(i);
132 if ( menu.isSelected( req ) )
133 {
134 selected = menu;
135 break;
136 }
137 if (def == null)
138 {
139 def = menu;
140 }
141 }
142 if ( selected != null )
143 {
144 return selected;
145 }
146 else
147 {
148 return def;
149 }
150 }
151
152 public void addMenu( Menu menu )
154 {
155 mMenus.addElement( menu );
156 }
157
158
160
161 static Hashtable createParams( HttpServletRequest req )
162 {
163 Hashtable params = new Hashtable ();
164 RollerRequest rreq = RollerRequest.getRollerRequest(req);
165 try
166 {
167 UserData user = rreq.getUser();
168 String fid =
169 rreq.getFolder()==null ? null : rreq.getFolder().getId();
170 if ( user != null )
171 {
172 params.put( RollerRequest.USERNAME_KEY, user.getUserName() );
173 }
174 if ( fid != null )
175 {
176 params.put( RollerRequest.FOLDERID_KEY, fid );
177 }
178 }
179 catch (Exception e)
180 {
181 mLogger.error("ERROR getting user in menu model", e);
182 }
183 return params;
184 }
185 }
186
187
188 |
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