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