Re-implement model type value for Resource Mapping

[aai/babel.git] / src / main / java / org / onap / aai / babel / xml / generator / data / WidgetConfigurationUtil.java

diff --git a/src/main/java/org/onap/aai/babel/xml/generator/data/WidgetConfigurationUtil.java b/src/main/java/org/onap/aai/babel/xml/generator/data/WidgetConfigurationUtil.java
index 30b6c8e..b340cd9 100644 (file)
--- a/src/main/java/org/onap/aai/babel/xml/generator/data/WidgetConfigurationUtil.java
+++ b/src/main/java/org/onap/aai/babel/xml/generator/data/WidgetConfigurationUtil.java
@@ -2,8 +2,8 @@
  * ============LICENSE_START=======================================================
  * org.onap.aai
  * ================================================================================
- * Copyright © 2017-2019 AT&T Intellectual Property. All rights reserved.
- * Copyright © 2017-2019 European Software Marketing Ltd.
+ * Copyright (c) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (c) 2017-2019 European Software Marketing Ltd.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,24 +18,32 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.aai.babel.xml.generator.data;
 
+import com.google.common.base.Enums;
+import java.io.IOException;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
+import java.util.Optional;
 import java.util.Properties;
-import org.onap.aai.babel.xml.generator.model.Model;
+import org.onap.aai.babel.xml.generator.XmlArtifactGenerationException;
+import org.onap.aai.babel.xml.generator.model.Resource;
+import org.onap.aai.babel.xml.generator.model.Widget;
+import org.onap.aai.babel.xml.generator.model.Widget.Type;
+import org.onap.aai.babel.xml.generator.types.ModelType;
 
 public class WidgetConfigurationUtil {
 
     private static Properties config;
     private static List<String> instanceGroups = Collections.emptyList();
-    private static Map<String, Class<? extends Model>> typeToModel = new HashMap<>();
+    private static Map<String, Resource> typeToResource = new HashMap<>();
+    private static Map<String, Widget> typeToWidget = new HashMap<>();
 
     /*
-     * Private constructor to prevent instantiation
+     * Private constructor to prevent instantiation.
      */
     private WidgetConfigurationUtil() {
         throw new UnsupportedOperationException("This static class should not be instantiated!");
@@ -51,36 +59,46 @@ public class WidgetConfigurationUtil {
 
     public static void setSupportedInstanceGroups(List<String> supportedInstanceGroups) {
         instanceGroups = supportedInstanceGroups;
-    }    
+    }
 
     public static boolean isSupportedInstanceGroup(String groupType) {
         return instanceGroups.contains(groupType);
     }
 
-    /**
-     * Create the mappings from TOSCA type to Widget type. The Properties store a set of TOSCA type prefix Strings.
-     * These keys take a single class name (String), which is used to map to a Widget Class in the Model.
-     * 
-     * @param map
-     *            the key/value pairs of TOSCA type and Class name
-     */
-    @SuppressWarnings("unchecked")
-    public static void setTypeMappings(Map<String, String> map) {
-        for (Entry<String, String> entry : map.entrySet()) {
-            final String toscaType = entry.getKey();
-            final String javaBean = entry.getValue();
-            final String modelClassName = Model.class.getPackage().getName() + "." + javaBean;
-            try {
-                typeToModel.put(toscaType, (Class<? extends Model>) Class.forName(modelClassName));
-            } catch (ClassNotFoundException e) {
-                throw new IllegalArgumentException(
-                        String.format("Unsupported type \"%s\" for TOSCA mapping %s: no class found for %s", //
-                                javaBean, toscaType, modelClassName));
+    public static Optional<Resource> createModelFromType(String typePrefix) {
+        return Optional.ofNullable(typeToResource.get(typePrefix));
+    }
+
+    public static Widget createWidgetFromType(Type type) throws XmlArtifactGenerationException {
+        Optional<Widget> widget = Optional.ofNullable(typeToWidget.get(type.toString()));
+        if (widget.isPresent()) {
+            // Make a copy of the Widget found in the mappings table.
+            return new Widget(widget.get());
+        }
+        return null;
+    }
+
+    public static void setWidgetTypes(List<WidgetType> types) {
+        for (WidgetType type : types) {
+            if (type.type == null || type.name == null) {
+                throw new IllegalArgumentException("Incomplete widget type specified: " + type);
             }
+            Type widgetType = Widget.Type.valueOf(type.type);
+            Widget widget = new Widget(widgetType, type.name, type.deleteFlag);
+            typeToWidget.put(type.type, widget);
         }
     }
 
-    public static Class<? extends Model> getModelFromType(String typePrefix) {
-        return typeToModel.get(typePrefix);
+    public static void setWidgetMappings(List<WidgetMapping> mappings) throws IOException {
+        for (WidgetMapping mapping : mappings) {
+            ModelType modelType = Optional.ofNullable(mapping.type).map(String::toUpperCase)
+                    .map(s -> Enums.getIfPresent(ModelType.class, s).orNull()).orElse(null);
+            if (mapping.prefix == null || mapping.widget == null || modelType == null) {
+                throw new IOException("Invalid widget mapping specified: " + mapping);
+            }
+            Resource resource = new Resource(Widget.Type.valueOf(mapping.widget), mapping.deleteFlag);
+            resource.setModelType(modelType);
+            typeToResource.put(mapping.prefix, resource);
+        }
     }
 }