X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?p=it%2Fotf.git;a=blobdiff_plain;f=otf-service-api%2Fsrc%2Fmain%2Fjava%2Forg%2Foran%2Fotf%2Fcommon%2Futility%2FUtility.java;fp=otf-service-api%2Fsrc%2Fmain%2Fjava%2Forg%2Foran%2Fotf%2Fcommon%2Futility%2FUtility.java;h=c781ffbeef01c1d79a93e9a8e3437d09002c9457;hp=0000000000000000000000000000000000000000;hb=14f6f95c84a4a1fa8774190db4a03fd0214ec55f;hpb=f49bd1efeaaddd4891c1f329b18d8cfb28b3e75b

diff --git a/otf-service-api/src/main/java/org/oran/otf/common/utility/Utility.java b/otf-service-api/src/main/java/org/oran/otf/common/utility/Utility.java
new file mode 100644
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--- /dev/null
+++ b/otf-service-api/src/main/java/org/oran/otf/common/utility/Utility.java
@@ -0,0 +1,84 @@
+/*  Copyright (c) 2019 AT&T Intellectual Property.                             #
+#                                                                              #
+#   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.oran.otf.common.utility;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.base.Strings;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+public class Utility {
+
+  public static String getLoggerPrefix() {
+    return "[" + Thread.currentThread().getStackTrace()[2].getMethodName() + "]: ";
+  }
+
+  public static Map<?, ?> toMap(Object obj) throws Exception {
+    ObjectMapper mapper = new ObjectMapper();
+    return mapper.convertValue(obj, HashMap.class);
+  }
+
+  public static boolean isCollection(Object obj) {
+    return obj.getClass().isArray() || obj instanceof Collection;
+  }
+
+  public static List<?> toList(Object obj) {
+    if (obj == null) {
+      throw new NullPointerException("Argument cannot be null.");
+    }
+
+    List<?> list = new ArrayList<>();
+    if (obj.getClass().isArray()) {
+      list = Arrays.asList((Object[]) obj);
+    } else if (obj instanceof Collection) {
+      list = new ArrayList<>((Collection<?>) obj);
+    }
+
+    return list;
+  }
+
+  public static boolean isValidUuid(String str) {
+    if (Strings.isNullOrEmpty(str)) {
+      return false;
+    }
+    try {
+      UUID uuid = UUID.fromString(str);
+      return uuid.toString().equalsIgnoreCase(str);
+    } catch (IllegalArgumentException iae) {
+      return false;
+    }
+  }
+
+  // check a name type pair to see if it matches field in class
+  public static boolean isTypeVariablePairInClass(String variableName, Object variableValue, Class javaClass){
+    List<Field> testHeadFields = Arrays.asList(javaClass.getFields());
+    for(int i = 0; i < testHeadFields.size(); i++){
+      Field field = testHeadFields.get(i);
+      if(field.getName().equals(variableName) && field.getType().isInstance(variableValue)){
+        return true;
+      }
+    }
+    return false;
+  }
+}