source/mircoders/producer/TopicStartPageProducerFactory.java

   1 package mircoders.producer;
   2
   3 import java.util.*;
   4 import mir.entity.*;
   5 import mir.producer.*;
   6 import mir.util.*;
   7 import mircoders.storage.*;
   8 import mircoders.module.*;
   9 import mircoders.entity.*;
  10 import mircoders.global.*;
  11 import mircoders.localizer.*;
  12
  13
  14 public class TopicStartPageProducerFactory implements ProducerFactory {
  15   private String generatorIdentifier;
  16   private String resourceBundle;
  17   private String outputFileNameExpression;
  18   private int nrNewswireItems;
  19   private int nrFeatures;
  20
  21   public TopicStartPageProducerFactory(
  22     String aGeneratorIdentifier,
  23     String aResourceBundle,
  24     String anOutputFileNameExpression,
  25     int aNrFeatures,
  26     int aNrNewswireItems) {
  27
  28     generatorIdentifier = aGeneratorIdentifier;
  29     resourceBundle = aResourceBundle;
  30     outputFileNameExpression = anOutputFileNameExpression;
  31     nrFeatures = aNrFeatures;
  32     nrNewswireItems = aNrNewswireItems;
  33   }
  34
  35
  36   public mir.producer.Producer makeProducer(String aVerb) throws ProducerFailure {
  37     CompositeProducer result = new CompositeProducer();
  38     Map values = new HashMap();
  39
  40
  41     try {
  42       MirGlobal.localizer().producerTool().initializeGenerationValueSet(values);
  43
  44       ModuleContent contentModule = new ModuleContent(DatabaseContent.getInstance());
  45       ModuleTopics topicsModule = new ModuleTopics(DatabaseTopics.getInstance());
  46       ModuleBreaking breakingModule = new ModuleBreaking(DatabaseBreaking.getInstance());
  47
  48       EntityBrowser topicBrowser = new EntityBrowser(
  49           DatabaseTopics.getInstance(),
  50           "",
  51           "",
  52           100);
  53
  54       while (topicBrowser.hasNext()) {
  55         Entity topic = (Entity) topicBrowser.next();
  56         values.put("title", topic.getValue("title"));
  57         values.put("filename", topic.getValue("filename"));
  58         values.put("main_url", topic.getValue("main_url"));
  59         values.put("archiv_url", topic.getValue("archiv_url"));
  60
  61
  62
  63         // ML: ok, this is way too low-level for this place:
  64         String orderBy = "webdb_create desc";
  65         String topicSelection = "exists (select * from content_x_topic where content_id=content.id and topic_id='"+topic.getValue("id")+"')";
  66         String featureWhereClause = "is_published='1' and to_article_type='2' and "+topicSelection;
  67         String newsWireWhereClause = "is_published='1' and to_article_type='1' and "+topicSelection;
  68
  69         result.addProducer(
  70
  71             //  "exists (select * from content_x_topic where content_id=content.id and topic_id="+topic.getValue("id")
  72             new StartPageProducer(
  73                     generatorIdentifier,
  74                     resourceBundle,
  75                     ParameterExpander.expandExpression(values, outputFileNameExpression),
  76                     contentModule.getContent(newsWireWhereClause, orderBy, 0,nrNewswireItems),
  77                     contentModule.getContent(featureWhereClause, orderBy, 0,nrFeatures),
  78                     topicsModule .getTopicsList(),
  79                     breakingModule.getBreakingNews()));
  80       }
  81
  82       return result;
  83
  84
  85     }
  86     catch (Throwable e) {
  87       throw new ProducerFailure("Creating TopicStartPageProducer failed",e);
  88     }
  89   };
  90
  91   public Iterator verbs() {
  92     Vector verbList = new Vector();
  93
  94     verbList.add("all");
  95
  96     return verbList.iterator();
  97   };
  98 }
  99