ms/controllerblueprints/modules/resource-dict/src/main/java/org/onap/ccsdk/apps/controllerblueprints/resource/dict/utils/ResourceDictionaryUtils.java

   1 /*\r
   2  * Copyright © 2017-2018 AT&T Intellectual Property.\r
   3  *\r
   4  * Licensed under the Apache License, Version 2.0 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  *\r
   8  *     http://www.apache.org/licenses/LICENSE-2.0\r
   9  *\r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  */\r
  16 \r
  17 package org.onap.ccsdk.apps.controllerblueprints.resource.dict.utils;\r
  18 \r
  19 import com.fasterxml.jackson.databind.JsonNode;\r
  20 import org.apache.commons.collections.MapUtils;\r
  21 import org.apache.commons.lang3.StringUtils;\r
  22 import org.onap.ccsdk.apps.controllerblueprints.core.ConfigModelConstant;\r
  23 import org.onap.ccsdk.apps.controllerblueprints.core.data.EntrySchema;\r
  24 import org.onap.ccsdk.apps.controllerblueprints.core.data.PropertyDefinition;\r
  25 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment;\r
  26 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.data.DictionaryDefinition;\r
  27 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.data.DictionaryDependency;\r
  28 import org.slf4j.Logger;\r
  29 import org.slf4j.LoggerFactory;\r
  30 \r
  31 import java.util.Map;\r
  32 import java.util.Optional;\r
  33 import java.util.function.Supplier;\r
  34 \r
  35 /**\r
  36  * ResourceDictionaryUtils.java Purpose to provide ResourceDictionaryUtils\r
  37  *\r
  38  * @author Brinda Santh\r
  39  * @version 1.0\r
  40  */\r
  41 public class ResourceDictionaryUtils {\r
  42 \r
  43     private ResourceDictionaryUtils() {\r
  44         // Do nothing\r
  45     }\r
  46 \r
  47     private static final Logger log = LoggerFactory.getLogger(ResourceDictionaryUtils.class);\r
  48 \r
  49     /**\r
  50      * This Method is to assign the source name to the Dictionary Definition Check to see if the source\r
  51      * definition is not present then assign, if more than one source then assign only one first source.\r
  52      *\r
  53      * @param resourceAssignment\r
  54      * @param dictionaryDefinition\r
  55      */\r
  56     @SuppressWarnings("squid:S3776")\r
  57     public static void populateSourceMapping(ResourceAssignment resourceAssignment,\r
  58                                              DictionaryDefinition dictionaryDefinition) {\r
  59 \r
  60         if (resourceAssignment != null && dictionaryDefinition != null\r
  61                 && StringUtils.isBlank(resourceAssignment.getDictionarySource())) {\r
  62 \r
  63             // Overwrite the Property Definitions from Dictionary\r
  64             setProperty(resourceAssignment, dictionaryDefinition);\r
  65 \r
  66             Map<String, JsonNode> dictionarySource = dictionaryDefinition.getSource();\r
  67             Map<String, DictionaryDependency> dictionaryDependencyMap = dictionaryDefinition.getDependency();\r
  68 \r
  69             if (MapUtils.isNotEmpty(dictionarySource)) {\r
  70                 String source = findFirstSource(dictionarySource);\r
  71 \r
  72                 // Populate and Assign First Source\r
  73                 if (StringUtils.isNotBlank(source)) {\r
  74                     // Set Dictionary Source\r
  75                     resourceAssignment.setDictionarySource(source);\r
  76 \r
  77                     if (MapUtils.isNotEmpty(dictionaryDependencyMap)) {\r
  78                         // Set Dependencies\r
  79                         DictionaryDependency dictionaryDependency = dictionaryDependencyMap.get(source);\r
  80                         if (dictionaryDependency != null) {\r
  81                             resourceAssignment.setDependencies(dictionaryDependency.getNames());\r
  82                         }\r
  83                     }\r
  84                 } else {\r
  85                     resourceAssignment.setDictionarySource(ConfigModelConstant.SOURCE_INPUT);\r
  86                 }\r
  87                 log.info("auto map resourceAssignment : {}", resourceAssignment);\r
  88             }\r
  89         }\r
  90     }\r
  91 \r
  92     public static <T> Optional<T> resolve(Supplier<T> resolver) {\r
  93         try {\r
  94             T result = resolver.get();\r
  95             return Optional.ofNullable(result);\r
  96         } catch (NullPointerException e) {\r
  97             return Optional.empty();\r
  98         }\r
  99     }\r
 100 \r
 101     private static String findFirstSource(Map<String, JsonNode> dictionarySource) {\r
 102         String source = null;\r
 103         if (MapUtils.isNotEmpty(dictionarySource)) {\r
 104             source = dictionarySource.keySet().stream().findFirst().get();\r
 105         }\r
 106         return source;\r
 107     }\r
 108 \r
 109     /**\r
 110      * Overriding ResourceAssignment Properties with properties defined in Dictionary\r
 111      */\r
 112     private static void setProperty(ResourceAssignment resourceAssignment, DictionaryDefinition dictionaryDefinition) {\r
 113         if (StringUtils.isNotBlank(dictionaryDefinition.getDataType())) {\r
 114             PropertyDefinition property = resourceAssignment.getProperty();\r
 115             if (property == null) {\r
 116                 property = new PropertyDefinition();\r
 117             }\r
 118             property.setDefaultValue(dictionaryDefinition.getDefaultValue());\r
 119             property.setType(dictionaryDefinition.getDataType());\r
 120             if (StringUtils.isNotBlank(dictionaryDefinition.getEntrySchema())) {\r
 121                 EntrySchema entrySchema = new EntrySchema();\r
 122                 entrySchema.setType(dictionaryDefinition.getEntrySchema());\r
 123                 property.setEntrySchema(entrySchema);\r
 124             }\r
 125             resourceAssignment.setProperty(property);\r
 126         }\r
 127     }\r
 128 \r
 129 }\r