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authorandre.schmid <andre.schmid@est.tech>2019-09-03 13:45:28 +0000
committerAvi Gaffa <avi.gaffa@amdocs.com>2019-09-03 15:39:43 +0000
commit7de4f3e788ff2b71936ae43be7dfbdf48740f9be (patch)
treea7419656377e146ec1095d6eaf82dbbffd717b41 /openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java
parentccc1f364baea63733e93c6f4eb26ea97eeb77960 (diff)
Implement PNFD Model driven conversion
Change-Id: I7427e82353cac17817457294d78953f867d2d6e8 Issue-ID: SDC-2509 Signed-off-by: andre.schmid <andre.schmid@est.tech>
Diffstat (limited to 'openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java')
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/api/ToscaConverterManager.java29
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/exception/QueryOperationNotSupportedException.java28
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionDefinition.java35
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionQuery.java47
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionStrategyType.java57
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/PnfTransformationToken.java48
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/Transformation.java73
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationBlock.java57
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationDescription.java32
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/AbstractPnfdBlockParser.java178
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/PnfdBlockParser.java35
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/AbstractPnfdConversionStrategy.java39
-rw-r--r--openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/PnfdConversionStrategy.java30
13 files changed, 659 insertions, 29 deletions
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/api/ToscaConverterManager.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/api/ToscaConverterManager.java
deleted file mode 100644
index f10c724375..0000000000
--- a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/api/ToscaConverterManager.java
+++ /dev/null
@@ -1,29 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * SDC
- * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.core.converter.api;
-
-import org.openecomp.core.utilities.file.FileContentHandler;
-import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
-
-public interface ToscaConverterManager {
-
- ToscaServiceModel convert(String csarName, FileContentHandler fileContentHandler);
-}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/exception/QueryOperationNotSupportedException.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/exception/QueryOperationNotSupportedException.java
new file mode 100644
index 0000000000..a3f4b83812
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/exception/QueryOperationNotSupportedException.java
@@ -0,0 +1,28 @@
+/*
+ * ============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.pnfd.exception;
+
+public class QueryOperationNotSupportedException extends RuntimeException {
+
+ public QueryOperationNotSupportedException(final String s) {
+ super(s);
+ }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionDefinition.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionDefinition.java
new file mode 100644
index 0000000000..040639358f
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionDefinition.java
@@ -0,0 +1,35 @@
+/*
+ * ============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.pnfd.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.openecomp.core.converter.pnfd.strategy.PnfdConversionStrategy;
+
+@Getter
+@AllArgsConstructor
+public class ConversionDefinition {
+
+ private ConversionQuery conversionQuery;
+ private String toAttributeName;
+ private PnfdConversionStrategy pnfdConversionStrategy;
+ private String toGetInput;
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionQuery.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionQuery.java
new file mode 100644
index 0000000000..fc1ef75f05
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionQuery.java
@@ -0,0 +1,47 @@
+/*
+ * ============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.pnfd.model;
+
+import java.util.Map;
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+
+/**
+ * Stores a YAML query. The query is a YAML Object that should have the same structure or part of the original YAML that
+ * is desired to find in a TOSCA Yaml block.
+ */
+@Getter
+@EqualsAndHashCode
+@AllArgsConstructor
+public class ConversionQuery {
+
+ private final Object query;
+
+ /**
+ * Checks if the query is a valid attribute query.
+ *
+ * @return {@code true} when its valid, {@code false} otherwise.
+ */
+ public boolean isValidAttributeQuery() {
+ //only a map structure is supported
+ return query instanceof Map;
+ }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionStrategyType.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionStrategyType.java
new file mode 100644
index 0000000000..b5c1f7c411
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/ConversionStrategyType.java
@@ -0,0 +1,57 @@
+/*
+ * ============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.pnfd.model;
+
+import java.util.Optional;
+
+/**
+ * Represents a type of a conversion strategy
+ */
+public enum ConversionStrategyType {
+ COPY("copy"),
+ REPLACE("replace"),
+ REPLACE_IN_LIST("replaceInList");
+
+ private final String type;
+
+ ConversionStrategyType(final String type) {
+ this.type = type;
+ }
+
+ public String getType() {
+ return type;
+ }
+
+ /**
+ * Parse a String to the related {@link ConversionStrategyType}.
+ * @param type the {@link ConversionStrategyType} type
+ * @return
+ * The {@link ConversionStrategyType} representing the given type.
+ */
+ public static Optional<ConversionStrategyType> parse(final String type) {
+ for (final ConversionStrategyType conversionStrategyType : values()) {
+ if (conversionStrategyType.getType().equals(type)) {
+ return Optional.of(conversionStrategyType);
+ }
+ }
+
+ return Optional.empty();
+ }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/PnfTransformationToken.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/PnfTransformationToken.java
new file mode 100644
index 0000000000..fab5b44720
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/PnfTransformationToken.java
@@ -0,0 +1,48 @@
+/*
+ * ============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.pnfd.model;
+
+/**
+ * Represents a token from the transformation descriptor
+ */
+public enum PnfTransformationToken {
+ CONVERSIONS("conversions"),
+ FROM("from"),
+ LIST("list"),
+ QUERY("query"),
+ TO("to"),
+ STRATEGY("strategy"),
+ TO_NAME("to-name"),
+ TO_VALUE("to-value"),
+ TRANSFORMATION_FOR("transformation-for"),
+ NAME("name"),
+ DESCRIPTION("description"),
+ GET_INPUT("get_input"), TO_GET_INPUT("to-get-input");
+
+ private final String name;
+
+ PnfTransformationToken(final String name) {
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/Transformation.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/Transformation.java
new file mode 100644
index 0000000000..fa4a9336e3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/Transformation.java
@@ -0,0 +1,73 @@
+/*
+ * ============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.pnfd.model;
+
+import java.util.List;
+import java.util.Objects;
+import lombok.Getter;
+import lombok.Setter;
+import org.apache.commons.collections.CollectionUtils;
+
+/**
+ * Represents a transformation from the PNFD transformation descriptor.
+ */
+@Getter
+@Setter
+public class Transformation {
+
+ private String name;
+ private String description;
+ private TransformationBlock block;
+ private ConversionQuery conversionQuery;
+ private List<ConversionDefinition> conversionDefinitionList;
+
+ /**
+ * Checks if the instance contains all necessary information to be used.
+ *
+ * @return {code true} if the instance is valid, {code false} otherwise
+ */
+ public boolean isValid() {
+ return block != null && conversionQuery != null && !CollectionUtils.isEmpty(conversionDefinitionList);
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ Transformation that = (Transformation) o;
+ //if there is no query, compares by block and name.
+ if (conversionQuery != null && conversionQuery.getQuery() == null && that.conversionQuery.getQuery() == null) {
+ return block == that.block &&
+ Objects.equals(name, that.name);
+ }
+ //transformations with the same block and query will override themselves.
+ return block == that.block &&
+ Objects.equals(conversionQuery, that.conversionQuery);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(block, conversionQuery);
+ }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationBlock.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationBlock.java
new file mode 100644
index 0000000000..4c897c45fb
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationBlock.java
@@ -0,0 +1,57 @@
+/*
+ * ============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.pnfd.model;
+
+import java.util.Optional;
+
+/**
+ * Represents a type of a transformation block
+ */
+public enum TransformationBlock {
+ INPUT("input"),
+ NODE_TEMPLATE("nodeTemplate"),
+ GET_INPUT_FUNCTION("getInputFunction");
+
+ private final String name;
+
+ TransformationBlock(final String name) {
+ this.name = name;
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ /**
+ * Parse a String to the related {@link TransformationBlock}.
+ * @param name the {@link TransformationBlock} name
+ * @return
+ * The {@link TransformationBlock} representing the given name.
+ */
+ public static Optional<TransformationBlock> parse(final String name) {
+ for (final TransformationBlock transformationBlock : values()) {
+ if (transformationBlock.getName().equals(name)) {
+ return Optional.of(transformationBlock);
+ }
+ }
+
+ return Optional.empty();
+ }
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationDescription.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationDescription.java
new file mode 100644
index 0000000000..f21a719f8d
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/model/TransformationDescription.java
@@ -0,0 +1,32 @@
+/*
+ * ============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.pnfd.model;
+
+import java.util.Set;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class TransformationDescription {
+
+ private final Set<Transformation> transformationSet;
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/AbstractPnfdBlockParser.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/AbstractPnfdBlockParser.java
new file mode 100644
index 0000000000..fe8bd428c3
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/AbstractPnfdBlockParser.java
@@ -0,0 +1,178 @@
+/*
+ * ============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.pnfd.parser;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import org.apache.commons.collections.MapUtils;
+import org.onap.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.core.converter.ServiceTemplateReaderService;
+import org.openecomp.core.converter.pnfd.model.ConversionDefinition;
+import org.openecomp.core.converter.pnfd.model.PnfTransformationToken;
+import org.openecomp.core.converter.pnfd.model.Transformation;
+
+public abstract class AbstractPnfdBlockParser implements PnfdBlockParser {
+
+ protected final Transformation transformation;
+ protected ServiceTemplateReaderService templateFrom;
+ protected ServiceTemplate templateTo;
+
+ public AbstractPnfdBlockParser(final Transformation transformation) {
+ this.transformation = transformation;
+ }
+
+ /**
+ * Parses a PNFD block based on the {@link Transformation} provided during the {@link PnfdBlockParser}
+ * instantiation.
+ *
+ * @param templateFrom the original PNFD template
+ * @param templateTo the resulting PNFD template
+ */
+ public void parse(final ServiceTemplateReaderService templateFrom, final ServiceTemplate templateTo) {
+ this.templateFrom = templateFrom;
+ this.templateTo = templateTo;
+ final Set<Map<String, Object>> blockToParseSet = findBlocksToParse();
+ if (!blockToParseSet.isEmpty()) {
+ blockToParseSet.forEach(this::parse);
+ }
+ }
+
+ /**
+ * Applies all specified conversions in {@link Transformation#getConversionDefinitionList()} for the given
+ * blockYamlObject.
+ *
+ * @param blockYamlObject the block content as a YAML object
+ */
+ protected void parse(final Map<String, Object> blockYamlObject) {
+ if (MapUtils.isEmpty(blockYamlObject)) {
+ return;
+ }
+ final List<ConversionDefinition> conversionDefinitionList = transformation.getConversionDefinitionList();
+ final Map<String, Object> parsedBlockYamlObject = new HashMap<>();
+ final String blockName = blockYamlObject.keySet().iterator().next();
+ conversionDefinitionList.stream()
+ .filter(conversionDefinition -> conversionDefinition.getConversionQuery().isValidAttributeQuery())
+ .forEach(conversionDefinition -> {
+ final Map<String, Object> query =
+ (Map<String, Object>) conversionDefinition.getConversionQuery().getQuery();
+ final Map<String, Object> blockAttributeMap = (Map<String, Object>) blockYamlObject.get(blockName);
+ final Optional<Map<String, Object>> parsedBlockAttributeMap = buildParsedBlock(query, blockAttributeMap
+ , conversionDefinition);
+ parsedBlockAttributeMap.ifPresent(convertedNodeTemplateAttributeMap1 ->
+ mergeYamlObjects(parsedBlockYamlObject, convertedNodeTemplateAttributeMap1)
+ );
+ });
+
+ write(blockName, parsedBlockYamlObject);
+ }
+
+ /**
+ * Writes the block in the resulting {@link ServiceTemplate} {@link #templateTo}.
+ *
+ * @param blockName the name of the block
+ * @param parsedBlockYamlObject the block content as a YAML object
+ */
+ protected abstract void write(final String blockName, final Map<String, Object> parsedBlockYamlObject);
+
+ /**
+ * Uses the provided attribute query to find a attribute in the original YAML object and apply the provided
+ * conversion.
+ *
+ * @param attributeQuery the attribute query
+ * @param fromNodeTemplateAttributeMap the original YAML object
+ * @param conversionDefinition the conversion
+ * @return the rebuilt original YAML object with the converted attribute
+ */
+ protected abstract Optional<Map<String, Object>> buildParsedBlock(final Map<String, Object> attributeQuery,
+ final Map<String, Object> fromNodeTemplateAttributeMap,
+ final ConversionDefinition conversionDefinition);
+
+ /**
+ * Merges two YAML objects.
+ *
+ * @param originalMap original YAML object
+ * @param toBeMergedMap YAML object to be merged
+ * @return the new YAML object representing the merge result.
+ */
+ protected Map<String, Object> mergeYamlObjects(final Map<String, Object> originalMap,
+ final Map<String, Object> toBeMergedMap) {
+ toBeMergedMap.forEach(
+ (key, value) -> originalMap.merge(key, value,
+ (toBeMergedValue, originalValue) -> {
+ if (originalValue instanceof Map) {
+ return mergeYamlObjects((Map) originalValue, (Map) toBeMergedValue);
+ }
+ return originalValue;
+ })
+ );
+
+ return originalMap;
+ }
+
+ /**
+ * Executes the provided {@link #transformation getConversionQuery} YAML query to find the blocks to be parsed in
+ * {@link #templateFrom}.
+ *
+ * @return The YAML blocks found
+ */
+ protected abstract Set<Map<String, Object>> findBlocksToParse();
+
+ /**
+ * Checks if the YAML object is a TOSCA get_input call
+ *
+ * @param yamlObject the YAML object
+ * @return {@code true} if the YAML object is a TOSCA get_input call, {@code false} otherwise
+ */
+ protected boolean isGetInputFunction(final Object yamlObject) {
+ if (yamlObject instanceof Map) {
+ final Map<String, Object> yamlMap = (Map<String, Object>) yamlObject;
+ return yamlMap.containsKey(PnfTransformationToken.GET_INPUT.getName());
+ }
+
+ return false;
+ }
+
+ /**
+ * Gets the value (input name) of a YAML object representing a TOSCA get_input call: "get_input: <i>value</i>".
+ *
+ * @param yamlObject the YAML object
+ * @return The get_input function value, that represents the input name
+ */
+ protected String extractGetInputFunctionValue(final Object yamlObject) {
+ if (yamlObject instanceof Map) {
+ final Map<String, Object> yamlMap = (Map<String, Object>) yamlObject;
+ return (String) yamlMap.values().stream().findFirst().orElse(null);
+ }
+
+ return null;
+ }
+
+ /**
+ * Gets the stored input names called with TOSCA get_input function and its transformation configured in {@link
+ * ConversionDefinition#getToGetInput()}
+ */
+ public Optional<Map<String, String>> getInputAndTransformationNameMap() {
+ return Optional.empty();
+ }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/PnfdBlockParser.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/PnfdBlockParser.java
new file mode 100644
index 0000000000..dd66f502ea
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/parser/PnfdBlockParser.java
@@ -0,0 +1,35 @@
+/*
+ * ============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.pnfd.parser;
+
+import java.util.Map;
+import java.util.Optional;
+import org.onap.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.openecomp.core.converter.ServiceTemplateReaderService;
+
+/**
+ * Represents a parser of a TOSCA block.
+ */
+public interface PnfdBlockParser {
+
+ void parse(final ServiceTemplateReaderService templateFrom, final ServiceTemplate templateTo);
+
+ Optional<Map<String, String>> getInputAndTransformationNameMap();
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/AbstractPnfdConversionStrategy.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/AbstractPnfdConversionStrategy.java
new file mode 100644
index 0000000000..ffd2e6fb34
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/AbstractPnfdConversionStrategy.java
@@ -0,0 +1,39 @@
+/*
+ * ============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.pnfd.strategy;
+
+import java.util.Map;
+import org.openecomp.core.converter.pnfd.model.ConversionStrategyType;
+
+public abstract class AbstractPnfdConversionStrategy<T, U> implements PnfdConversionStrategy<T, U> {
+
+ protected final ConversionStrategyType strategyType;
+ protected final Map<T, U> conversionMap;
+
+ public AbstractPnfdConversionStrategy(final ConversionStrategyType strategyType, final Map<T, U> conversionMap) {
+ this.strategyType = strategyType;
+ this.conversionMap = conversionMap;
+ }
+
+ public ConversionStrategyType getStrategyType() {
+ return strategyType;
+ }
+
+}
diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/PnfdConversionStrategy.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/PnfdConversionStrategy.java
new file mode 100644
index 0000000000..724f20550f
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-api/src/main/java/org/openecomp/core/converter/pnfd/strategy/PnfdConversionStrategy.java
@@ -0,0 +1,30 @@
+/*
+ * ============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.pnfd.strategy;
+
+import java.util.Optional;
+import org.openecomp.core.converter.pnfd.model.ConversionStrategyType;
+
+public interface PnfdConversionStrategy<T, U> {
+
+ Optional<U> convert(final T originalValue);
+
+ ConversionStrategyType getStrategyType();
+}