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package org.openecomp.core.impl;
import org.openecomp.core.converter.ToscaConverter;
import org.openecomp.core.converter.api.ToscaConverterManager;
import org.openecomp.core.utilities.file.FileContentHandler;
import org.openecomp.core.utilities.file.FileUtils;
import org.openecomp.core.utilities.json.JsonUtil;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
public class ToscaConverterManagerImpl implements ToscaConverterManager {
private static final Logger LOGGER = LoggerFactory.getLogger(ToscaConverterManagerImpl.class.getName());
private static List<ToscaConverter> toscaConverters;
private static final String toscaConverterFileName = "ToscaConverters.json";
private static final String TOSCA_CONVERTER_IMPL_FORMAT_ERROR = "Failed to construct TOSCA converter for '%s' implementation.";
static {
toscaConverters = getConvertersList();
}
@Override
public ToscaServiceModel convert(String csarName, FileContentHandler fileContentHandler) {
return null;
}
private static List<ToscaConverter> getConvertersList(){
List<ToscaConverter> toscaConvertersList = new ArrayList<>();
Map<String, String> convertersMap = FileUtils.readViaInputStream(toscaConverterFileName,
stream -> JsonUtil.json2Object(stream, Map.class));
return getToscaConvertersList(toscaConvertersList, convertersMap);
}
private static List<ToscaConverter> getToscaConvertersList(
List<ToscaConverter> toscaConvertersList, Map<String, String> convertersMap) {
for(String implClassName : convertersMap.values()){
try{
Class<?> clazz = Class.forName(implClassName);
Constructor<?> constructor = clazz.getConstructor();
toscaConvertersList.add((ToscaConverter) constructor.newInstance());
}catch (Exception ex){
LOGGER.debug(String.format(TOSCA_CONVERTER_IMPL_FORMAT_ERROR, implClassName), ex);
continue;
}
}
return toscaConvertersList;
}
}
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