1 files changed, 429 insertions, 0 deletions
diff --git a/blueprints-processor/plugin/model-provider/src/main/java/org/onap/ccsdk/config/model/utils/TransformationUtils.java b/blueprints-processor/plugin/model-provider/src/main/java/org/onap/ccsdk/config/model/utils/TransformationUtils.java
new file mode 100644
index 000000000..311be9db7
--- /dev/null
+++ b/blueprints-processor/plugin/model-provider/src/main/java/org/onap/ccsdk/config/model/utils/TransformationUtils.java
@@ -0,0 +1,429 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property.
+ * Modifications Copyright © 2018 IBM.
+ * 
+ * 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.onap.ccsdk.config.model.utils;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.TreeMap;
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.type.CollectionType;
+import com.fasterxml.jackson.module.jsonSchema.JsonSchema;
+import com.fasterxml.jackson.module.jsonSchema.JsonSchemaGenerator;
+
+/**
+ * TransformationUtils.java Purpose: Provide Configuration Generator TransformationUtils Information
+ *
+ * @version 1.0
+ */
+public class TransformationUtils {
+
+    private static EELFLogger logger = EELFManager.getInstance().getLogger(TransformationUtils.class);
+
+    private TransformationUtils() {
+
+    }
+
+    /**
+     * This is a getJson method
+     *
+     * @param configparameters
+     * @return String
+     */
+    public static String getJson(Map<String, Object> configparameters) {
+        String jsonContent = null;
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            jsonContent = mapper.writeValueAsString(configparameters);
+        } catch (JsonProcessingException e) {
+            logger.warn(e.getMessage());
+        }
+        return jsonContent;
+    }
+
+    /**
+     * This is a getJsonNode method
+     *
+     * @param configparameters
+     * @return String
+     */
+    public static JsonNode getJsonNode(Map<String, String> configparameters) {
+        JsonNode jsonContent = null;
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            jsonContent = mapper.valueToTree(configparameters);
+        } catch (Exception e) {
+            logger.warn(e.getMessage());
+        }
+        return jsonContent;
+    }
+
+    /**
+     * This is a getJson method
+     *
+     * @param instance
+     * @param pretty
+     * @return Map<String , Object>
+     */
+    public static String getJson(Object instance, boolean pretty) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            mapper.setSerializationInclusion(Include.NON_NULL);
+            if (pretty) {
+                mapper.enable(SerializationFeature.INDENT_OUTPUT);
+            }
+            return mapper.writeValueAsString(instance);
+        } catch (JsonProcessingException e) {
+            logger.warn(e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * This is a getJson method
+     *
+     * @param instance
+     * @return String
+     */
+    public static String getJson(Object instance) {
+        return getJson(instance, false);
+    }
+
+    /**
+     * This is a getJsonNodeForobject method
+     *
+     * @param instance
+     * @return JsonNode
+     */
+    public static JsonNode getJsonNodeForObject(Object instance) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            mapper.setSerializationInclusion(Include.NON_NULL);
+            return mapper.convertValue(instance, JsonNode.class);
+        } catch (Exception e) {
+            logger.warn(e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * This is a getJsonNodeForString method
+     *
+     * @param content
+     * @return JsonNode
+     */
+    public static JsonNode getJsonNodeForString(String content) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            mapper.setSerializationInclusion(Include.NON_NULL);
+            return mapper.readTree(content);
+        } catch (Exception e) {
+            logger.warn(e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * This is a getMapfromJson method
+     *
+     * @param content
+     * @return Map<String , Object>
+     */
+    public static Map<String, Object> getMapfromJson(String content) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            return mapper.readValue(content, new TypeReference<Map<String, String>>() {});
+        } catch (Exception e) {
+            logger.warn("failed in getMapfromJson for the content ({}) with error message ({}).", content,
+                    e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * This is a getMapfromJson method
+     *
+     * @param content
+     * @return Map<String , Object>
+     */
+    public static Map<String, Object> getMapfromJsonString(String content) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            return mapper.readValue(content, new TypeReference<Map<String, Object>>() {});
+        } catch (Exception e) {
+            logger.warn("failed in getMapfromJson for the content ({}) with error message ({}).", content,
+                    e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * This is a getListfromJson method
+     *
+     * @param content
+     * @return Map<String , Object>
+     */
+    @SuppressWarnings("squid:S1168")
+    public static <T> List<T> getListfromJson(String content, Class<T> valueType) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            CollectionType javaType = mapper.getTypeFactory().constructCollectionType(List.class, valueType);
+            return mapper.readValue(content, javaType);
+        } catch (Exception e) {
+            logger.warn("failed in getListfromJson for the content ({}) with error message ({}).", content,
+                    e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * This is a getJsonSchema method
+     *
+     * @param valueType
+     * @return String
+     */
+    public static String getJsonSchema(Class clazz) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            JsonSchemaGenerator schemaGen = new JsonSchemaGenerator(mapper);
+            JsonSchema schema = schemaGen.generateSchema(clazz);
+            return mapper.writerWithDefaultPrettyPrinter().writeValueAsString(schema);
+
+        } catch (Exception e) {
+            logger.warn("failed in getJsonSchema  with error message ({}).", e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * This is a readValue method
+     *
+     * @param content
+     * @param valueType
+     * @return <T>
+     */
+
+    public static <T> T readValue(String content, Class<T> valueType) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            return mapper.readValue(content, valueType);
+        } catch (Exception e) {
+            logger.warn("failed in readValue for the content ({}) with error message ({}).", content, e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * @param node
+     * @param valueType
+     * @param <T>
+     * @return
+     */
+    public static <T> T treeToValue(JsonNode node, Class<T> valueType) {
+        try {
+            ObjectMapper mapper = new ObjectMapper();
+            return mapper.treeToValue(node, valueType);
+        } catch (Exception e) {
+            logger.warn("failed in readValue for the content ({}) with error message ({}).", node, e.getMessage());
+        }
+        return null;
+    }
+
+    /**
+     * @param node
+     * @param valueType
+     * @param <T>
+     * @return List<T>
+     */
+    public static <T> List<T> treeToListValue(JsonNode node, Class<T> valueType) {
+        List<T> resultList = new ArrayList<>();
+        if (node instanceof ArrayNode) {
+            for (JsonNode subnode : node) {
+                if (subnode != null) {
+                    resultList.add(treeToValue(subnode, valueType));
+                }
+            }
+        }
+        return resultList;
+    }
+
+    /**
+     * This is a removeJsonNullNode method
+     *
+     * @param node
+     */
+    public static void removeJsonNullNode(JsonNode node) {
+        Iterator<JsonNode> it = node.iterator();
+        while (it.hasNext()) {
+            JsonNode child = it.next();
+            if (child.isNull()) {
+                it.remove();
+            } else {
+                removeJsonNullNode(child);
+            }
+        }
+    }
+
+    public static void printProperty(Properties property) {
+        if (property != null) {
+            Map<String, String> sortedMap = new TreeMap(property);
+            StringBuilder buffer = new StringBuilder();
+            sortedMap.entrySet().forEach(message -> {
+                buffer.append("\n" + message.toString());
+            });
+            logger.debug("Property : ({})", buffer);
+        }
+    }
+
+    public static void printMap(Map<String, String> map) {
+        if (map != null) {
+            Map<String, String> sortedMap = new TreeMap(map);
+            StringBuilder buffer = new StringBuilder();
+            sortedMap.entrySet().forEach(message -> {
+                buffer.append("\n" + message.toString());
+            });
+            logger.debug("Map: ({})", buffer);
+        }
+    }
+
+    @SuppressWarnings("squid:S00112")
+    public static Map<String, String> convertJson2RootProperties(Map<String, String> context, String jsonContent)
+            throws Exception {
+        if (context == null) {
+            context = new HashMap<>();
+        }
+
+        ObjectMapper mapper = new ObjectMapper();
+        JsonNode rootArray = mapper.readTree(jsonContent);
+        return convertJson2RootProperties(context, rootArray);
+    }
+
+    public static Map<String, String> convertJson2RootProperties(Map<String, String> context, JsonNode rootArray) {
+        Map<String, String> sortedMap = null;
+
+        if (context == null) {
+            context = new HashMap<>();
+        }
+        if (rootArray != null) {
+            Iterator<Map.Entry<String, JsonNode>> fields = rootArray.fields();
+            while (fields.hasNext()) {
+                Map.Entry<String, JsonNode> entry = fields.next();
+                if (entry != null && entry.getValue() != null) {
+                    if (entry.getValue().isTextual()) {
+                        context.put(entry.getKey(), entry.getValue().textValue());
+                    } else {
+                        context.put(entry.getKey(), entry.getValue().toString());
+                    }
+                }
+            }
+        }
+        sortedMap = new TreeMap<>(context);
+        return sortedMap;
+    }
+
+    @SuppressWarnings("squid:S00112")
+    public static Map<String, String> convertJson2Properties(Map<String, String> context, String jsonContent,
+            List<String> blockKeys) throws Exception {
+        Map<String, String> sortedMap = null;
+
+        if (context == null) {
+            context = new HashMap<>();
+        }
+
+        ObjectMapper mapper = new ObjectMapper();
+        JsonNode rootArray = mapper.readTree(jsonContent);
+
+        if (rootArray != null) {
+            Iterator<Map.Entry<String, JsonNode>> fields = rootArray.fields();
+            while (fields.hasNext()) {
+                Map.Entry<String, JsonNode> entry = fields.next();
+                processJsonNode(context, blockKeys, entry.getKey(), entry.getValue());
+            }
+        }
+        sortedMap = new TreeMap<>(context);
+        return sortedMap;
+    }
+
+    public static Map<String, String> convertJson2Properties(Map<String, String> context, JsonNode rootArray,
+            List<String> blockKeys) throws IOException {
+        Map<String, String> sortedMap = null;
+
+        if (context == null) {
+            context = new HashMap<>();
+        }
+
+        if (blockKeys == null) {
+            blockKeys = new ArrayList<>();
+        }
+
+        if (rootArray != null) {
+            Iterator<Map.Entry<String, JsonNode>> fields = rootArray.fields();
+            while (fields.hasNext()) {
+                Map.Entry<String, JsonNode> entry = fields.next();
+                processJsonNode(context, blockKeys, entry.getKey(), entry.getValue());
+            }
+        }
+        sortedMap = new TreeMap<>(context);
+        return sortedMap;
+    }
+
+    private static void processJsonNode(Map<String, String> propertyMap, List<String> blockKeys, String nodeName,
+            JsonNode node) throws IOException {
+
+        logger.trace("Block Key ({})", nodeName);
+        if (node == null) {
+            return;
+        }
+
+        String keyName = null;
+        if (blockKeys != null && blockKeys.contains(nodeName)) {
+            if (node.isArray() || node.isObject()) {
+                propertyMap.put(nodeName, node.toString());
+            } else {
+                propertyMap.put(nodeName, node.asText());
+            }
+        } else if (node.isArray()) {
+            for (int i = 0; i < node.size(); i++) {
+                keyName = nodeName + "[" + i + "]";
+                processJsonNode(propertyMap, blockKeys, keyName, node.get(i));
+            }
+        } else if (node.isObject()) {
+            Iterator<Map.Entry<String, JsonNode>> fields = node.fields();
+            while (fields.hasNext()) {
+                Map.Entry<String, JsonNode> entry = fields.next();
+                keyName = nodeName + "." + entry.getKey();
+                processJsonNode(propertyMap, blockKeys, keyName, entry.getValue());
+            }
+        } else {
+            propertyMap.put(nodeName, node.asText());
+        }
+    }
+
+}