BundleVersionContainer


1   /*
2    
3   This software is OSI Certified Open Source Software.
4   OSI Certified is a certification mark of the Open Source Initiative.
5    
6   The license (Mozilla version 1.0) can be read at the MMBase site.
7   See http://www.MMBase.org/license
8    
9    */
10  
11  package org.mmbase.applications.packaging.bundlehandlers;
12  
13  import java.util.HashMap  ;
14  import java.util.Iterator  ;
15  
16  import org.mmbase.applications.packaging.providerhandlers.ProviderInterface;
17  import org.mmbase.applications.packaging.sharehandlers.ShareInfo;
18  
19  /**
20   * The bundle version container, keeps all track of all the bundles with
21   * the same version (but multiple providers)
22   *
23   * @author Daniel Ockeloen (MMBased)
24   */
25  public class BundleVersionContainer  {
26  
27      private ShareInfo shareinfo;
28  
29      private HashMap   bundles=new HashMap  ();
30  
31      public BundleVersionContainer(BundleInterface b) {
32          bundles.put(b.getProvider(),b);
33      }
34  
35      public Object   addBundle(BundleInterface b) {
36          Object   o=bundles.put(b.getProvider(),b);
37          if (o!=null) {
38              return(o);
39          }
40          return(null);
41      }
42  
43  
44      public boolean removeBundle(BundleInterface b) {
45          bundles.remove(b.getProvider());
46          return true;
47      }
48  
49      public int getBundleCount() {
50          return bundles.size();
51      }
52  
53      public Object   get(ProviderInterface provider) {
54          Object   o = bundles.get(provider);
55          if (o != null) {
56              return o;
57          }
58          return null;
59      } 
60  
61     public Iterator   getBundles() {
62         return ((HashMap  )bundles.clone()).values().iterator();
63     }
64  
65  
66      public boolean contains(ProviderInterface provider) {
67          if (bundles.get(provider) != null) {
68              return true;
69          } else {
70              return false;
71          }
72      }
73     
74      public boolean isShared() {
75          if (shareinfo != null) {
76              return true;
77          }
78          return false;
79      }
80  
81      public ShareInfo getShareInfo() {
82          return shareinfo;
83      }
84  
85      public BundleInterface getBundleByScore() {
86          BundleInterface winner = null;
87          Iterator   e = bundles.values().iterator();
88          while (e.hasNext()) {
89              BundleInterface b = (BundleInterface)e.next();
90              if (winner == null) {
91                  winner = b;
92              } else if (b.getProvider().getBaseScore() > winner.getProvider().getBaseScore()) {
93                  winner = b;
94              }
95          }
96          return winner;
97      }
98  
99  }
100
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