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/*
* Copyright © 2016-2018 European Support Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openecomp.sdc.translator.services.heattotosca.impl.functiontranslation;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import org.openecomp.sdc.heat.datatypes.model.HeatPseudoParameters;
import org.openecomp.sdc.tosca.datatypes.ToscaFunctions;
import org.openecomp.sdc.translator.services.heattotosca.FunctionTranslation;
import org.openecomp.sdc.translator.services.heattotosca.FunctionTranslationFactory;
public class FunctionTranslationGetParamImpl implements FunctionTranslation {
private static Object translateGetParamFunctionExpression(FunctionTranslator functionTranslator) {
Object functionValue = functionTranslator.getFunctionValue();
Object returnValue = null;
if (functionValue instanceof String) {
returnValue = functionValue;
if (HeatPseudoParameters.getPseudoParameterNames().contains(functionValue)) {
functionTranslator.getContext().addUsedHeatPseudoParams(functionTranslator.getHeatFileName(),
(String) functionValue, (String) functionValue);
}
} else if (functionValue instanceof List) {
returnValue = new ArrayList<>();
for (int i = 0; i < ((List) functionValue).size(); i++) {
Object paramValue = ((List) functionValue).get(i);
if ((paramValue instanceof Map && !((Map) paramValue).isEmpty())) {
Map<String, Object> paramMap = (Map) paramValue;
((List) returnValue).add(translatedInnerMap(functionTranslator, paramMap));
} else {
((List) returnValue).add(paramValue);
}
}
}
return returnValue;
}
private static Object translatedInnerMap(FunctionTranslator functionTranslator, Map<String, Object> paramMap) {
Map<String, Object> translatedInnerMapValue = new HashMap<>();
for (Map.Entry<String, Object> entry : paramMap.entrySet()) {
Optional<FunctionTranslation> functionTranslationInstance =
FunctionTranslationFactory.getInstance(entry.getKey());
if (functionTranslationInstance.isPresent()) {
functionTranslator.setFunctionValue(entry.getValue());
return functionTranslationInstance.get().translateFunction(functionTranslator);
} else {
translatedInnerMapValue.put(entry.getKey(), translatedInnerValue(functionTranslator, entry.getValue()));
}
}
return translatedInnerMapValue;
}
private static Object translatedInnerValue(FunctionTranslator functionTranslator,
Object value) {
if (value instanceof String) {
return value;
} else if (value instanceof Map) {
return translatedInnerMap(functionTranslator, (Map<String, Object>) value);
} else if (value instanceof List) {
List<Object> returnedList = new ArrayList<>();
for (int i = 0; i < ((List) value).size(); i++) {
returnedList.add(translatedInnerValue(functionTranslator, ((List) value).get(i)));
}
return returnedList;
}
return value;
}
@Override
public Object translateFunction(FunctionTranslator functionTranslator) {
Map<String, Object> returnValue = new HashMap<>();
returnValue.put(ToscaFunctions.GET_INPUT.getFunctionName(),
translateGetParamFunctionExpression(functionTranslator));
return returnValue;
}
}
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