Remove Multiplicity feature

[aai/gizmo.git] / src / main / java / org / onap / crud / util / CrudServiceUtil.java

diff --git a/src/main/java/org/onap/crud/util/CrudServiceUtil.java b/src/main/java/org/onap/crud/util/CrudServiceUtil.java
index 6c251bc..64a822c 100644 (file)
--- a/src/main/java/org/onap/crud/util/CrudServiceUtil.java
+++ b/src/main/java/org/onap/crud/util/CrudServiceUtil.java
@@ -20,28 +20,30 @@
  */
 package org.onap.crud.util;
 
-import org.onap.aai.db.props.AAIProperties;
-import org.onap.crud.exception.CrudException;
-import org.onap.schema.OxmModelLoader;
-import org.onap.schema.EdgeRulesLoader;
-
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonPrimitive;
-
 import java.util.AbstractMap;
 import java.util.HashSet;
 import java.util.Map;
-import java.util.Set;
 import java.util.Map.Entry;
-
+import java.util.Set;
+import javax.ws.rs.core.EntityTag;
 import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.Response.Status;
+import org.onap.crud.exception.CrudException;
+import org.onap.crud.service.EdgePayload;
+import org.onap.schema.EdgeRulesLoader;
+import org.onap.schema.RelationshipSchema;
+import org.onap.schema.RelationshipSchemaValidator;
 
 public class CrudServiceUtil {
 
   private static Gson gson = new Gson();
-  
+  public static final java.lang.String LAST_MOD_SOURCE_OF_TRUTH = "last-mod-source-of-truth";
+  public static final java.lang.String SOURCE_OF_TRUTH = "source-of-truth";
+
   @SuppressWarnings({"unchecked", "rawtypes"})
   public static Object validateFieldType(String value, Class clazz) throws CrudException {
     try {
@@ -54,13 +56,13 @@ public class CrudServiceUtil {
       } else if (clazz.isAssignableFrom(Double.class)) {
         return Double.parseDouble(value);
       } else if (clazz.isAssignableFrom(Boolean.class)) {
-                 
+
                // If the value is an IN/OUT direction, this gets seen as a boolean, so
         // check for that first.
         if (value.equals("OUT") || value.equals("IN")) {
           return value;
         }
-               
+
         if (!value.equals("true") && !value.equals("false")) {
           throw new CrudException("Invalid propertry value: " + value, Status.BAD_REQUEST);
         }
@@ -73,16 +75,6 @@ public class CrudServiceUtil {
     }
   }
 
-  public static void loadModels() throws CrudException {
-    // load the schemas
-    try {
-      OxmModelLoader.loadModels();
-      EdgeRulesLoader.loadModels ();
-    } catch (Exception e) {
-      throw new CrudException(e);
-    }
-  }
-  
   /**
    * This method will merge header property from app id in request payload if not already populated
    * @param propertiesFromRequest
@@ -93,23 +85,23 @@ public class CrudServiceUtil {
     @SuppressWarnings("unchecked")
     public static JsonElement mergeHeaderInFoToPayload(JsonElement propertiesFromRequest, HttpHeaders headers,
             boolean isAdd) {
-    String sourceOfTruth = headers.getRequestHeaders().getFirst("X-FromAppId");  
+    String sourceOfTruth = headers.getRequestHeaders().getFirst("X-FromAppId");
     Set<Map.Entry<String, JsonElement>> properties = new HashSet<Map.Entry<String, JsonElement>>();
     properties.addAll(propertiesFromRequest.getAsJsonObject().entrySet());
-    
+
     Set<String> propertyKeys = new HashSet<String>();
     for(Map.Entry<String, JsonElement> property : properties) {
       propertyKeys.add(property.getKey());
     }
-    
-    if(!propertyKeys.contains(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH)) {
-        properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH,
-            (JsonElement)(new JsonPrimitive(sourceOfTruth))));
+
+    if(!propertyKeys.contains(LAST_MOD_SOURCE_OF_TRUTH)) {
+        properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(LAST_MOD_SOURCE_OF_TRUTH,
+            (new JsonPrimitive(sourceOfTruth))));
     }
-   
-    if(isAdd && !propertyKeys.contains(AAIProperties.SOURCE_OF_TRUTH)) {
-        properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(AAIProperties.SOURCE_OF_TRUTH,
-            (JsonElement)(new JsonPrimitive(sourceOfTruth))));
+
+    if(isAdd && !propertyKeys.contains(SOURCE_OF_TRUTH)) {
+        properties.add(new AbstractMap.SimpleEntry<String, JsonElement>(SOURCE_OF_TRUTH,
+            (new JsonPrimitive(sourceOfTruth))));
     }
 
     Object[] propArray = properties.toArray();
@@ -117,7 +109,7 @@ public class CrudServiceUtil {
     sb.append("{");
     boolean first=true;
     for(int i=0; i<propArray.length; i++) {
-      
+
       Map.Entry<String, JsonElement> entry = (Entry<String, JsonElement>) propArray[i];
       if(!first) {
         sb.append(",");
@@ -126,7 +118,37 @@ public class CrudServiceUtil {
       first=false;
     }
     sb.append("}");
-    
+
     return gson.fromJson(sb.toString(), JsonElement.class);
   }
+
+  public static EntityTag getETagFromHeader(MultivaluedMap<String, String> headers) {
+    EntityTag entityTag = null;
+    if (headers != null && headers.containsKey(CrudServiceConstants.CRD_HEADER_ETAG)) {
+      String value = headers.getFirst(CrudServiceConstants.CRD_HEADER_ETAG);
+      entityTag = new EntityTag(value.replace("\"", ""));
+    }
+    return entityTag;
+  }
+
+  public static String determineEdgeType(EdgePayload payload, String version) throws CrudException {
+    RelationshipSchema schema = EdgeRulesLoader.getSchemaForVersion(version);
+
+    if (payload.getSource() == null || payload.getTarget() == null) {
+      throw new CrudException("Source/Target not specified", Status.BAD_REQUEST);
+    }
+
+    Set<String> edgeTypes = schema.getValidRelationTypes(RelationshipSchemaValidator.vertexTypeFromUri(payload.getSource()),
+               RelationshipSchemaValidator.vertexTypeFromUri(payload.getTarget()));
+
+    if (edgeTypes.size() == 0) {
+      throw new CrudException("No valid relationship types from " + payload.getSource() + " to " + payload.getTarget(), Status.BAD_REQUEST);
+    }
+
+    if (edgeTypes.size() > 1) {
+      throw new CrudException("Multiple possible relationship types from " + payload.getSource() + " to " + payload.getTarget(), Status.BAD_REQUEST);
+    }
+
+    return edgeTypes.iterator().next();
+  }
 }