package org.kuali.rice.krms.service.impl;
   
   import org.kuali.rice.krms.framework.engine.expression.ComparisonOperator;
   import org.kuali.rice.krms.builder.ComponentBuilder;
   import org.kuali.rice.krms.service.TemplateRegistry;
   import org.kuali.rice.krms.dto.TemplateInfo;
   
   import java.util.HashMap;
   import java.util.Map;
  
  /**
   * @author Christoff
   * Date: 2013/01/10
   */
  public class TemplateRegistryImpl implements TemplateRegistry {
  
      private Map<String, TemplateInfo> templatesMap;
      private Map<String, ComponentBuilder> componentBuilderMap = new HashMap<String, ComponentBuilder>();
  
      public void setTemplatesMap(Map<String, TemplateInfo> templatesMap) {
          this.templatesMap = templatesMap;
      }
  
      public TemplateInfo getTemplateForType(String type) {
          TemplateInfo template = templatesMap.get(type);
          return (template != null ? template : null);
      }
  
      public String getTermSpecNameForType(String type) {
          TemplateInfo template = templatesMap.get(type);
          return (template != null ? template.getTermSpecName() : null);
      }
  
      public String getOperationForType(String type) {
          TemplateInfo template = templatesMap.get(type);
          if (template == null) {
              return null;
          }
          ComparisonOperator operator = ComparisonOperator.fromCode(template.getOperator());
          return (operator != null ? operator.getCode() : null);
      }
  
      public String getValueForType(String type) {
          TemplateInfo template = templatesMap.get(type);
          return (template != null ? template.getValue() : null);
      }
  
      public ComponentBuilder getComponentBuilderForType(String type){
          TemplateInfo template = templatesMap.get(type);
          if ((template == null) || (template.getComponentBuilderClass() == null)){
              return null;
          }
  
          ComponentBuilder builder = componentBuilderMap.get(template.getComponentBuilderClass());
          if (builder == null){
              try {
                  builder = (ComponentBuilder) Class.forName(template.getComponentBuilderClass()).newInstance();
                  componentBuilderMap.put(template.getComponentBuilderClass(), builder);
              } catch (InstantiationException e) {
                  e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
              } catch (IllegalAccessException e) {
                  e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
              } catch (ClassNotFoundException e) {
                  e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
              }
          }
  
          return builder;
      }
  
  }