SiteContentIntegrationStatics


1   package de.webman.generator; 
2   
3   import com.teamkonzept.lib.*;
4   import com.teamkonzept.webman.*;
5   import java.util.*;
6   
7   /**
8       Verwaltet die statischen Daten und Methoden von SiteContentIntegration
9    * @author  $Author: alex $
10   * @version $Revision: 1.2 $
11  */
12  public class SiteContentIntegrationStatics 
13  {
14  
15      /**
16          Verweis zur�ck auf den aktuellen statischen Kontext des laufenden Threads
17      */
18      private GeneratorContext context;
19  
20      /** 
21          Ein globaler Hash, in dem eventuelle 
22          Selektionsergebnisse zwischengespeichert werden.
23          Key := selectionKey
24          Value := TKVector of SiteContent
25      */
26      private TKHashtable selectionHash; 
27  
28      public SiteContentIntegrationStatics (GeneratorContext context) 
29      {
30          this.context = context != null ? context : GeneratorContext.setup ();
31          this.selectionHash = null;
32      }
33      
34      /**
35          fuehrt die uebergebene Selection durch, traegt die Ergebnisliste
36          in selectionHash ein und liefert den verwendeten Zugriffskey
37          zurueck.
38      */
39      public String   newSelection( String   type, String   data, int nodeId )
40      {
41          String   key = type + data + nodeId;
42          if( selectionHash.get( key ) == null ) {
43              TKVector conts = TKWMContentSelectorReg.select( type, data, nodeId );
44              TKVector result = new TKVector( conts.size()+1 );
45              Enumeration e = conts.elements();
46              while( e.hasMoreElements() ) 
47              {
48                  Object   siteContent = context.siteContents.getContent(((Integer  )e.nextElement()).intValue());
49                  // Version control might lead to the case that a selected content
50                  // is not generatable and thus not stored in the contentHash.
51                  // So, we must do the null-pointer check:
52                  if (siteContent != null) {
53                      result.addElement(siteContent);
54                  }
55              }
56              selectionHash.put( key, result );
57          }
58          return key;
59      }
60  
61      /** 
62          liefert das zum uebergebenen Key passende Selectionsergebnis
63          (TKVector of SiteContent)
64      */
65      public final TKVector getSelection( String   key )
66      {
67          return (TKVector) selectionHash.get( key );
68      }
69      
70      /** 
71          erzeugt den selectionHash 
72      */
73      public final void initSelection()
74      {
75          selectionHash = new TKHashtable();
76      }
77  }
78
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Free Books Free Magazines
Popular Tags