1 files changed, 226 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/datarouter/util/RouterServiceUtil.java b/src/main/java/org/openecomp/datarouter/util/RouterServiceUtil.java
new file mode 100644
index 0000000..b30c9f9
--- /dev/null
+++ b/src/main/java/org/openecomp/datarouter/util/RouterServiceUtil.java
@@ -0,0 +1,226 @@
+/**
+ * ============LICENSE_START=======================================================
+ * DataRouter
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * 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=========================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ */
+package org.openecomp.datarouter.util;
+
+import com.fasterxml.jackson.databind.JsonNode;
+
+import org.json.JSONObject;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+public class RouterServiceUtil {
+
+  public static Map<String, String> parseJsonPayloadIntoMap(String jsonPayload) {
+
+    JSONObject jsonObject = new JSONObject(jsonPayload);
+    Map<String, String> map = new HashMap<String, String>();
+    Iterator iter = jsonObject.keys();
+    while (iter.hasNext()) {
+      String key = (String) iter.next();
+      String value = jsonObject.getString(key);
+      map.put(key, value);
+    }
+    return map;
+  }
+
+  public static String getNodeFieldAsText(JsonNode node, String fieldName) {
+
+    String fieldValue = null;
+
+    JsonNode valueNode = node.get(fieldName);
+
+    if (valueNode != null) {
+      fieldValue = valueNode.asText();
+    }
+
+    return fieldValue;
+  }
+
+  public static String concatArray(List<String> list) {
+    return concatArray(list, " ");
+  }
+
+  public static String concatArray(List<String> list, String delimiter) {
+
+    if (list == null || list.size() == 0) {
+      return "";
+    }
+
+    StringBuilder result = new StringBuilder(64);
+
+    boolean firstValue = true;
+
+    for (String item : list) {
+
+      if (firstValue) {
+        result.append(item);
+        firstValue = false;
+      } else {
+        result.append(delimiter).append(item);
+      }
+    }
+
+    return result.toString();
+
+  }
+
+  public static String concatArray(String[] values) {
+
+    if (values == null || values.length == 0) {
+      return "";
+    }
+
+    StringBuilder result = new StringBuilder(64);
+
+    boolean firstValue = true;
+
+    for (String item : values) {
+
+      if (firstValue) {
+        result.append(item);
+        firstValue = false;
+      } else {
+        result.append(".").append(item);
+      }
+
+    }
+
+    return result.toString();
+
+  }
+
+  public static String recursivelyLookupJsonPayload(JsonNode node, String key) {
+    String value = null;
+    if (node.isObject()) {
+      Iterator<Map.Entry<String, JsonNode>> nodeIterator = node.fields();
+
+      while (nodeIterator.hasNext()) {
+        Map.Entry<String, JsonNode> entry = (Map.Entry<String, JsonNode>) nodeIterator.next();
+        if (!entry.getValue().isValueNode()) {
+          value = recursivelyLookupJsonPayload(entry.getValue(), key);
+          if (value != null) {
+            return value;
+          }
+        }
+
+        String name = entry.getKey();
+        if (name.equalsIgnoreCase(key)) {
+          return entry.getValue().asText();
+        }
+      }
+    } else if (node.isArray()) {
+      Iterator<JsonNode> arrayItemsIterator = node.elements();
+      while (arrayItemsIterator.hasNext()) {
+        value = recursivelyLookupJsonPayload(arrayItemsIterator.next(), key);
+        if (value != null) {
+          return value;
+        }
+      }
+    }
+    return value;
+  }
+
+  public static void extractObjectsByKey(JsonNode node, String searchKey,
+      Collection<JsonNode> foundObjects) {
+
+    if (node.isObject()) {
+      Iterator<Map.Entry<String, JsonNode>> nodeIterator = node.fields();
+
+      while (nodeIterator.hasNext()) {
+        Map.Entry<String, JsonNode> entry = (Map.Entry<String, JsonNode>) nodeIterator.next();
+        if (!entry.getValue().isValueNode()) {
+          extractObjectsByKey(entry.getValue(), searchKey, foundObjects);
+        }
+
+        String name = entry.getKey();
+        if (name.equalsIgnoreCase(searchKey)) {
+
+          JsonNode entryValue = entry.getValue();
+
+          if (entryValue.isArray()) {
+
+            Iterator<JsonNode> arrayItemsIterator = entryValue.elements();
+            while (arrayItemsIterator.hasNext()) {
+              foundObjects.add(arrayItemsIterator.next());
+            }
+
+          } else {
+            foundObjects.add(entry.getValue());
+          }
+        }
+      }
+    } else if (node.isArray()) {
+      Iterator<JsonNode> arrayItemsIterator = node.elements();
+      while (arrayItemsIterator.hasNext()) {
+        extractObjectsByKey(arrayItemsIterator.next(), searchKey, foundObjects);
+      }
+    }
+  }
+
+  public static void convertArrayIntoList(JsonNode node, Collection<JsonNode> instances) {
+
+    if (node.isArray()) {
+      Iterator<JsonNode> arrayItemsIterator = node.elements();
+      while (arrayItemsIterator.hasNext()) {
+        instances.add(arrayItemsIterator.next());
+      }
+    } else {
+      instances.add(node);
+    }
+  }
+
+  public static void extractFieldValuesFromObject(JsonNode node,
+      Collection<String> attributesToExtract, Collection<String> fieldValues) {
+
+    if (node.isObject()) {
+
+      JsonNode valueNode = null;
+
+      for (String attrToExtract : attributesToExtract) {
+
+        valueNode = node.get(attrToExtract);
+
+        if (valueNode != null) {
+
+          if (valueNode.isValueNode()) {
+            fieldValues.add(valueNode.asText());
+          }
+        }
+      }
+    }
+  }
+
+
+  public static String objToJson(Object obj) {
+    JSONObject jsonObject = new JSONObject(obj);
+    String json = jsonObject.toString();
+    return json;
+  }
+}