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1   package net.sourceforge.pmd.sourcetypehandlers;
2   
3   import java.util.Map;
4   
5   import net.sourceforge.pmd.SourceType;
6   import net.sourceforge.pmd.util.CollectionUtil;
7   
8   /***
9    * Broker for SourceTypeHandler instances for specific SourceTypes.
10   *
11   * @author pieter_van_raemdonck - Application Engineers NV/SA - www.ae.be
12   */
13  public class SourceTypeHandlerBroker {
14  
15      private static final Map mapSourceTypeOnSourceTypeHandler = CollectionUtil.mapFrom( new Object[][] {
16      	{ SourceType.JAVA_13, new Java13Handler()},
17      	{ SourceType.JAVA_14, new Java14Handler()},
18      	{ SourceType.JAVA_15, new Java15Handler()},
19      	{ SourceType.JAVA_16, new Java16Handler()},
20      	{ SourceType.JSP, new JspTypeHandler()},
21      	});
22  
23      /***
24       * Never create one
25       */
26      private SourceTypeHandlerBroker() {  }
27  
28      public static SourceTypeHandler getVisitorsFactoryForSourceType(SourceType sourceType) {
29          SourceTypeHandler handler = (SourceTypeHandler) mapSourceTypeOnSourceTypeHandler.get(sourceType);
30  
31          if (handler == null) {
32              throw new IllegalArgumentException("No VisitorsFactory is registered for SourceType [" + sourceType + "].");
33          } 
34          return handler;
35      }
36  
37  }