SearchFolderFactory


1   package org.columba.mail.search;
2   
3   import java.util.Enumeration  ;
4   import java.util.List  ;
5   import java.util.Vector  ;
6   
7   import org.columba.core.filter.FilterCriteria;
8   import org.columba.core.filter.FilterRule;
9   import org.columba.mail.folder.IMailFolder;
10  import org.columba.mail.folder.IMailbox;
11  import org.columba.mail.folder.virtual.VirtualFolder;
12  import org.columba.mail.gui.tree.FolderTreeModel;
13  
14  public class SearchFolderFactory {
15  
16      /**
17       * Create search folder for simple search with a single criteria
18       */
19      public static VirtualFolder createSearchFolder(FilterCriteria c,
20              IMailFolder folder) throws Exception   {
21  
22          // create search folder
23          VirtualFolder searchFolder = createVirtualFolder(folder);
24  
25          // add filter criteria
26          searchFolder.getFilter().getFilterRule().add(c);
27  
28          return searchFolder;
29      }
30  
31      /**
32       * Create new search folder but use existing virtual folder for an "search
33       * inside results" search
34       */
35      public static VirtualFolder prepareSearchFolder(FilterCriteria c,
36              IMailFolder folder) throws Exception   {
37  
38          // create search folder
39          VirtualFolder searchFolder = createVirtualFolder(folder);
40  
41          // add filter criteria
42          searchFolder.getFilter().getFilterRule().add(c);
43  
44          return searchFolder;
45      }
46  
47      /**
48       * Create search for folder complex search with multiple criteria
49       */
50      public static VirtualFolder createSearchFolder(FilterRule rule,
51              IMailFolder folder) throws Exception   {
52          // create search folder
53          VirtualFolder searchFolder = createVirtualFolder(folder);
54  
55          searchFolder.getFilter().getFilterRule().setCondition(
56                  rule.getConditionInt());
57  
58          for (int i = 0; i < rule.getChildCount(); i++) {
59              // add filter criteria
60              searchFolder.getFilter().getFilterRule().add(rule.get(i));
61          }
62  
63          return searchFolder;
64      }
65  
66      /**
67       * Update already existing virtual folder for an "search inside results"
68       * search
69       */
70      public static VirtualFolder prepareSearchFolder(FilterRule rule,
71              IMailFolder folder) throws Exception   {
72  
73          // create search folder
74          VirtualFolder searchFolder = createVirtualFolder(folder);
75  
76          searchFolder.getFilter().getFilterRule().setCondition(
77                  rule.getConditionInt());
78  
79          for (int i = 0; i < rule.getChildCount(); i++) {
80              // add filter criteria
81              searchFolder.getFilter().getFilterRule().add(rule.get(i));
82          }
83  
84          return searchFolder;
85      }
86  
87      /**
88       * Create virtual folder.
89       *
90       * @param folder
91       * @return
92       */
93      private static VirtualFolder createVirtualFolder(IMailFolder folder) {
94  
95          VirtualFolder searchFolder = new VirtualFolder("Search Result", folder);
96  
97          // remove old filters
98          searchFolder.getFilter().getFilterRule().removeAll();
99  
100         // search in subfolders recursively
101         searchFolder.getConfiguration().setString("property",
102                 "include_subfolders", "true");
103 
104         String   uid = folder.getId();
105 
106         // set source folder UID
107         searchFolder.getConfiguration()
108                 .setString("property", "source_uid", uid);
109 
110         return searchFolder;
111     }
112 
113     /**
114      * Return list of all source folders we going to query.
115      *
116      * @return list of source folders
117      */
118     public static List  <IMailbox> getAllSourceFolders() {
119         IMailFolder rootFolder = (IMailFolder) FolderTreeModel.getInstance()
120                 .getRoot();
121 
122         List  <IMailbox> v = new Vector  <IMailbox>();
123         getChildren(rootFolder, v);
124 
125         return v;
126     }
127 
128     private static void getChildren(IMailFolder parentFolder,
129             List  <IMailbox> list) {
130         IMailFolder child;
131 
132         for (Enumeration   e = parentFolder.children(); e.hasMoreElements();) {
133             child = (IMailFolder) e.nextElement();
134 
135             if (child instanceof IMailbox) {
136                 if (child.getName().equalsIgnoreCase("Inbox")) {
137                     list.add((IMailbox) child);
138                 }
139             }
140 
141             getChildren(child, list);
142         }
143     }
144 }
145
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