[OLINGO-737] Adding Open Type support to Olingo 5.0

lib/server-core/src/main/java/org/apache/olingo/server/core/deserializer/OpenTypeDeserializerUtils.java

@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.apache.olingo.server.core.deserializer;
+
+import org.apache.olingo.commons.api.edm.EdmAnnotation;
+import org.apache.olingo.commons.api.edm.EdmMapping;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveType;
+import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeKind;
+import org.apache.olingo.commons.api.edm.EdmProperty;
+import org.apache.olingo.commons.api.edm.EdmTerm;
+import org.apache.olingo.commons.api.edm.EdmType;
+import org.apache.olingo.commons.api.edm.geo.SRID;
+import org.apache.olingo.commons.core.edm.primitivetype.EdmPrimitiveTypeFactory;
+
+import java.util.List;
+
+public class OpenTypeDeserializerUtils {
+  public static EdmProperty generateDynamicEdmProperty(final String propertyName, final EdmType edmType,
+      final boolean isCollection) {
+    return new EdmProperty() {
+
+      @Override
+      public EdmType getType() {
+        return edmType;
+      }
+
+      @Override
+      public boolean isCollection() {
+        return isCollection;
+      }
+
+      @Override
+      public String getName() {
+        return propertyName;
+      }
+
+      @Override
+      public EdmMapping getMapping() {
+        return null;
+      }
+
+      @Override
+      public EdmAnnotation getAnnotation(EdmTerm term, String qualifier) {
+        return null;
+      }
+
+      @Override
+      public List<EdmAnnotation> getAnnotations() {
+        return null;
+      }
+
+      @Override
+      public String getMimeType() {
+        return null;
+      }
+
+      @Override
+      public boolean isPrimitive() {
+        return edmType instanceof EdmPrimitiveType;
+      }
+
+      @Override
+      public boolean isNullable() {
+        return false;
+      }
+
+      @Override
+      public Integer getMaxLength() {
+        return null;
+      }
+
+      @Override
+      public Integer getPrecision() {
+        if (EdmPrimitiveTypeFactory.getInstance(EdmPrimitiveTypeKind.DateTimeOffset).equals(edmType)) {
+          return 3;
+        }
+        return null;
+      }
+
+      @Override
+      public Integer getScale() {
+        return null;
+      }
+
+      @Override
+      public String getScaleAsString() {
+        return null;
+      }
+
+      @Override
+      public SRID getSrid() {
+        return null;
+      }
+
+      @Override
+      public boolean isUnicode() {
+        return true;
+      }
+
+      @Override
+      public String getDefaultValue() {
+        return null;
+      }
+
+      @Override
+      public EdmType getTypeWithAnnotations() {
+        return getType();
+      }
+    };
+  }
+
+  private OpenTypeDeserializerUtils() {
+  }
+}