source/mir/producer/reader/ProducerNodeBuilderLibrary.java

   1 package mir.producer.reader;
   2
   3 import java.util.*;
   4 import mir.producer.*;
   5
   6 public class ProducerNodeBuilderLibrary {
   7   private Map nodeBuilders;
   8
   9   public ProducerNodeBuilderLibrary() {
  10     nodeBuilders = new HashMap();
  11   }
  12
  13   public void registerBuilder(String aName, Class aProducerNodeBuilderClass) {
  14     registerFactory(aName, new ProducerNodeBuilder.DefaultProducerNodeBuilderFactory( aProducerNodeBuilderClass ));
  15   }
  16
  17   public void registerFactory(String aName, ProducerNodeBuilder.ProducerNodeBuilderFactory aFactory) {
  18     nodeBuilders.put(aName, aFactory);
  19   }
  20
  21   public boolean hasBuilderForName(String aName) {
  22     return nodeBuilders.containsKey(aName);
  23   }
  24
  25   public ProducerNodeBuilder constructBuilder(String aName) throws ProducerConfigExc {
  26     if (hasBuilderForName(aName))
  27       return ((ProducerNodeBuilder.ProducerNodeBuilderFactory) nodeBuilders.get(aName)).makeBuilder();
  28     else
  29       throw new ProducerConfigExc("ProducerNodeBuilder: no builder with name '" + aName + "' found.");
  30   }
  31 }