Implement PNFD Model driven conversion

[sdc.git] / openecomp-be / lib / openecomp-tosca-converter-lib / openecomp-tosca-converter-core / src / main / java / org / openecomp / core / converter / impl / pnfd / strategy / ReplaceInListConversionStrategy.java

diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/converter/impl/pnfd/strategy/ReplaceInListConversionStrategy.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/converter/impl/pnfd/strategy/ReplaceInListConversionStrategy.java
new file mode 100644 (file)
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+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/main/java/org/openecomp/core/converter/impl/pnfd/strategy/ReplaceInListConversionStrategy.java
@@ -0,0 +1,60 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.core.converter.impl.pnfd.strategy;
+
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import org.openecomp.core.converter.pnfd.strategy.AbstractPnfdConversionStrategy;
+import org.openecomp.core.converter.pnfd.model.ConversionStrategyType;
+import org.openecomp.core.converter.pnfd.model.PnfTransformationToken;
+
+public class ReplaceInListConversionStrategy extends AbstractPnfdConversionStrategy<List<Object>, List<Object>> {
+
+    private final Map<Object, Object> replaceInListConversionStrategyMap;
+
+    public ReplaceInListConversionStrategy(final List<Map<String, Object>> descriptorList) {
+        super(ConversionStrategyType.REPLACE_IN_LIST, new HashMap<>());
+        replaceInListConversionStrategyMap = new LinkedHashMap<>();
+        descriptorList
+            .forEach(stringObjectMap -> replaceInListConversionStrategyMap.put(stringObjectMap.get(
+                PnfTransformationToken.FROM.getName())
+                , stringObjectMap.get(PnfTransformationToken.TO.getName()))
+            );
+    }
+
+    @Override
+    public Optional<List<Object>> convert(final List<Object> originalValue) {
+        if (originalValue == null || originalValue.isEmpty()) {
+            return Optional.empty();
+        }
+
+        final List<Object> convertedList = originalValue.stream()
+            .map(replaceInListConversionStrategyMap::get)
+            .filter(Objects::nonNull)
+            .collect(Collectors.toList());
+
+        return convertedList.isEmpty() ? Optional.empty() : Optional.of(convertedList);
+    }
+}