HomepageTypes


1   //
2   //                                   ____.
3   //                       __/\ ______|    |__/\.     _______
4   //            __   .____|    |       \   |    +----+       \
5   //    _______|  /--|    |    |    -   \  _    |    :    -   \_________
6   //   \\______: :---|    :    :           |    :    |         \________>
7   //           |__\---\_____________:______:    :____|____:_____\
8   //                                      /_____|
9   //
10  //                 . . . i n   j a h i a   w e   t r u s t . . .
11  //
12  //
13  // NK - 17 Dec. 2001 :
14  //
15  
16  package org.jahia.services.homepages;
17  
18  import java.util.Hashtable  ;
19  
20  /**
21   * Map Homepage classes to homepage types.
22   *
23   * @author Khue ng
24   * @version 1.0
25   */
26  public class HomepageTypes {
27  
28      public static final int HOMEPAGE_LINK = 1;
29      public static final int HOMEPAGE_COPY = 2;
30      public static final int HOMEPAGE_NEW = 3;
31  
32      private static  HomepageTypes instance;
33      private Hashtable   types;
34      private Hashtable   typeLabels;
35      private Hashtable   classesNames;
36  
37  
38      /**
39       * Constructor
40       */
41      protected HomepageTypes()
42      {
43          types = new Hashtable  ();
44          types.put("LINK",new Integer  (HOMEPAGE_LINK));   
45          types.put("COPY",new Integer  (HOMEPAGE_COPY));   
46          types.put("NEW",new Integer  (HOMEPAGE_NEW)); 
47  
48          typeLabels = new Hashtable  ();
49          typeLabels.put(new Integer  (HOMEPAGE_LINK),"LINK");  
50          typeLabels.put(new Integer  (HOMEPAGE_COPY),"COPY");  
51          typeLabels.put(new Integer  (HOMEPAGE_NEW),"NEW");    
52  
53          classesNames = new Hashtable  ();
54          classesNames.put( new Integer  (HOMEPAGE_LINK), "org.jahia.services.homepages.JahiaHomepageLink");
55          classesNames.put( new Integer  (HOMEPAGE_COPY), "org.jahia.services.homepages.JahiaHomepageCopy");
56          classesNames.put( new Integer  (HOMEPAGE_NEW), "org.jahia.services.homepages.JahiaHomepageNew");
57      }
58  
59      /**
60       * Returns the simgle instance of this site
61       *
62       * @return HomepageTypes
63       */
64      public static synchronized HomepageTypes getInstance()
65      {
66          if (instance == null) {
67              instance = new HomepageTypes();
68          }
69          return instance;
70      }
71  
72      /**
73       * gets available homepage types
74       *
75       * @return Hashtable of homepage types
76       */
77      public Hashtable   getTypes()
78      {
79          if ( types == null )
80              return null;
81          
82          /* Deactivate NEW and COPY  
83          Hashtable hash = (Hashtable) types.clone();
84          */
85          Hashtable   hash = new Hashtable  ();
86          hash.put("LINK",new Integer  (HOMEPAGE_LINK));    
87          
88          return hash;
89      }
90  
91      /**
92       * Return a type looking at its key
93       *
94       * @param String type key
95       * @return int the type or -1 if not found
96       */
97      public int getType(String   key)
98      {
99          if ( key == null )
100             return -1;
101             
102         Integer   type = (Integer  ) types.get(key);
103         
104         if ( type == null )
105             return -1;
106         
107         return type.intValue();
108     }
109 
110     /**
111      * Return a type's name ( readable value ).
112      *
113      * @param int the type value
114      * @return String the type's name
115      */
116     public String   getTypeName(int type)
117     {
118         Integer   I = new Integer  (type);
119         String   name = (String  )typeLabels.get(I);
120 
121         if ( name == null )
122             return "UNKNOWN";
123         
124         return name;
125     }
126 
127 
128     /**
129      * gets classesNames
130      *
131      * @return Hashtable of classes name
132      */
133     public Hashtable   getClassesNames()
134     {
135         if ( classesNames == null )
136             classesNames = new Hashtable  ();
137             
138         Hashtable   hash = (Hashtable  ) classesNames.clone();
139         return hash;
140         
141     }
142 
143 }
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