1 files changed, 117 insertions, 0 deletions
diff --git a/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsDeserializerModifier.java b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsDeserializerModifier.java
new file mode 100644
index 000000000..634a3bc5b
--- /dev/null
+++ b/sdnr/wt/data-provider/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/dataprovider/yangtools/mapperextensions/YangToolsDeserializerModifier.java
@@ -0,0 +1,117 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.mapperextensions;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.BeanDescription;
+import com.fasterxml.jackson.databind.DeserializationConfig;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JavaType;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.KeyDeserializer;
+import com.fasterxml.jackson.databind.deser.BeanDeserializerModifier;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.NoSuchElementException;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.ScalarTypeObject;
+//import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.ScalarTypeObject;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.types.YangHelper2;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.YangToolsMapperHelper;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.BaseIdentityDeserializer;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.ClassDeserializer;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.IdentifierDeserializer;
+import org.onap.ccsdk.features.sdnr.wt.dataprovider.yangtools.serialize.TypeObjectDeserializer;
+import org.opendaylight.yangtools.yang.binding.BaseIdentity;
+import org.opendaylight.yangtools.yang.binding.Identifier;
+import org.opendaylight.yangtools.yang.binding.TypeObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class YangToolsDeserializerModifier extends BeanDeserializerModifier {
+
+    private static final Logger LOG = LoggerFactory.getLogger(YangToolsDeserializerModifier.class);
+    private static final String getEnumMethodName="valueOf";
+
+    @Override
+    public JsonDeserializer<Enum<?>> modifyEnumDeserializer(DeserializationConfig config, final JavaType type,
+            BeanDescription beanDesc, final JsonDeserializer<?> deserializer) {
+        return new JsonDeserializer<Enum<?>>() {
+
+            @Override
+            public Enum<?> deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
+                Class<?> clazz = type.getRawClass();
+
+                try {
+                    Method method = clazz.getDeclaredMethod(getEnumMethodName, String.class);
+                    Enum<?> result = (Enum<?>) method.invoke(null, jp.getValueAsString());
+                    LOG.debug("Deserialize '{}' with class '{}' to '{}'", jp.getValueAsString(), clazz.getName(), result);
+                    return result;
+                } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException
+                        | NoSuchMethodException | NoSuchElementException | SecurityException e) {
+                    LOG.warn("problem deserializing enum for {} with value {}: {}", clazz.getName(),
+                            jp.getValueAsString(), e);
+                }
+                throw new IOException(
+                        "unable to parse enum (" + type.getRawClass() + ")for value " + jp.getValueAsString());
+            }
+        };
+    }
+
+    @Override
+    public JsonDeserializer<?> modifyDeserializer(DeserializationConfig config, BeanDescription beanDesc,
+            JsonDeserializer<?> deserializer) {
+        final JavaType type = beanDesc.getType();
+        final Class<?> rawClass = type.getRawClass();
+
+        JsonDeserializer<?> deser = super.modifyDeserializer(config, beanDesc, deserializer);
+
+        if (YangToolsMapperHelper.implementsInterface(rawClass, TypeObject.class)) {
+            deser = new TypeObjectDeserializer<TypeObject>(type, deser);
+        } else if (YangToolsMapperHelper.implementsInterface(rawClass, YangHelper2.getScalarTypeObjectClass())) {
+            deser = new TypeObjectDeserializer<ScalarTypeObject>(type, deser);
+        } else if (YangToolsMapperHelper.implementsInterface(rawClass, BaseIdentity.class)) {
+            deser = new BaseIdentityDeserializer<BaseIdentity>(deser);
+        } else if (rawClass.equals(Class.class)) {
+            deser = new ClassDeserializer(rawClass);
+        }
+
+        LOG.debug("Deserialize '{}' with deserializer '{}'", rawClass.getName(), deser.getClass().getName());
+        return deser;
+    }
+
+    @Override
+    public KeyDeserializer modifyKeyDeserializer(DeserializationConfig config, JavaType type, KeyDeserializer deser) {
+        KeyDeserializer res;
+        if (YangToolsMapperHelper.implementsInterface(type.getRawClass(), Identifier.class)) {
+            res = new IdentifierDeserializer();
+        } else {
+            res = super.modifyKeyDeserializer(config, type, deser);
+        }
+        LOG.debug("Keydeserialize '{}' with deserializer '{}'", type.getRawClass().getName(), res.getClass().getName());
+        return res;
+    }
+
+    void test() {
+        com.fasterxml.jackson.databind.util.ClassUtil xy;
+    }
+}