openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/impl/ToscaConverterManagerImpl.java

   1 package org.openecomp.core.impl;
   2
   3 import org.openecomp.core.converter.ToscaConverter;
   4 import org.openecomp.core.converter.api.ToscaConverterManager;
   5 import org.openecomp.core.utilities.file.FileContentHandler;
   6 import org.openecomp.core.utilities.file.FileUtils;
   7 import org.openecomp.core.utilities.json.JsonUtil;
   8 import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
   9
  10 import java.lang.reflect.Constructor;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.Map;
  14
  15 public class ToscaConverterManagerImpl implements ToscaConverterManager {
  16
  17   private static List<ToscaConverter> toscaConverters;
  18   private static final String toscaConverterFileName = "ToscaConverters.json";
  19
  20   static {
  21     toscaConverters = getConvertersList();
  22   }
  23
  24   @Override
  25   public ToscaServiceModel convert(String csarName, FileContentHandler fileContentHandler) {
  26     return null;
  27   }
  28
  29   private static List<ToscaConverter> getConvertersList(){
  30     List<ToscaConverter> toscaConvertersList = new ArrayList<>();
  31     Map<String, String> convertersMap = FileUtils.readViaInputStream(toscaConverterFileName,
  32             stream -> JsonUtil.json2Object(stream, Map.class));
  33     return getToscaConvertersList(toscaConvertersList, convertersMap);
  34   }
  35
  36   private static List<ToscaConverter> getToscaConvertersList(
  37       List<ToscaConverter> toscaConvertersList, Map<String, String> convertersMap) {
  38     for(String implClassName : convertersMap.values()){
  39       try{
  40         Class<?> clazz = Class.forName(implClassName);
  41         Constructor<?> constructor = clazz.getConstructor();
  42         toscaConvertersList.add((ToscaConverter) constructor.newInstance());
  43       }catch (Exception e){
  44         continue;
  45       }
  46     }
  47     return toscaConvertersList;
  48   }
  49 }