SDN-R add updated devicemanager

[ccsdk/features.git] / sdnr / wt / devicemanager / provider / src / main / java / org / onap / ccsdk / features / sdnr / wt / devicemanager / impl / database / HtMapper.java

diff --git a/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/impl/database/HtMapper.java b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/impl/database/HtMapper.java
new file mode 100644 (file)
index 0000000..dc2e4d7
--- /dev/null
+++ b/sdnr/wt/devicemanager/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/impl/database/HtMapper.java
@@ -0,0 +1,140 @@
+/*******************************************************************************
+ * ============LICENSE_START========================================================================
+ * ONAP : ccsdk feature sdnr wt
+ * =================================================================================================
+ * Copyright (C) 2019 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.devicemanager.impl.database;
+
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import java.io.IOException;
+import org.eclipse.jdt.annotation.Nullable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Herbert
+ *
+ */
+public class HtMapper<T> {
+
+    private static final Logger log = LoggerFactory.getLogger(HtMapper.class);
+
+    private final Class<? extends T> clazz;
+
+    private final JsonMapperBase objectMapperRead;
+    private final JsonMapperBase objectMapperWrite;
+
+    private int mappingFailures;
+
+    public HtMapper(Class<? extends T> clazz) {
+
+        this.mappingFailures = 0;
+        this.clazz = clazz;
+
+        this.objectMapperRead = new JsonMapperBase();
+        this.objectMapperWrite = this.objectMapperRead;
+    }
+
+    public Class<? extends T> getClazz() {
+        return clazz;
+    }
+
+    public int getMappingFailures() {
+        return mappingFailures;
+    }
+
+    public String objectToJson(T object) {
+        return objectMapperWrite.objectToJson(object);
+    }
+
+    /**
+     * Do the mapping from Json to class Block further mapping if there is are to
+     * many failures
+     *
+     * @param json String with Objects JSON representation
+     * @return The Object
+     */
+    public @Nullable T getObjectFromJson(byte[] json) {
+
+        if (json == null) {
+            return null;
+        } else if (mappingFailures < 10) {
+            try {
+                T object = objectMapperRead.readValue(json, clazz);
+                return object;
+            } catch (JsonParseException e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            } catch (JsonMappingException e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            } catch (IOException e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            } catch (Exception e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            }
+        }
+        log.warn("Problems parsing : {} {}", clazz, json);
+        return null;
+    }
+
+    /**
+     * Do the mapping from Json to class Block further mapping if there is are to
+     * many failures
+     *
+     * @param json String with Objects JSON representation
+     * @return The Object
+     */
+    public @Nullable T getObjectFromJson(String json) {
+
+        if (json == null) {
+            return null;
+        } else if (mappingFailures < 10) {
+            try {
+                T object = objectMapperRead.readValue(json, clazz);
+                return object;
+            } catch (JsonParseException e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            } catch (JsonMappingException e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            } catch (IOException e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            } catch (Exception e) {
+                mappingFailures++;
+                log.warn(e.toString());
+            }
+        }
+        log.warn("Problems parsing : {} {}", clazz, json);
+        return null;
+    }
+
+    public void setSerializationInclusion(Include incl) {
+        this.objectMapperRead.setSerializationInclusion(incl);
+
+    }
+    public void resetSerializationInclusion() {
+        this.objectMapperRead.setSerializationInclusion(Include.USE_DEFAULTS);
+
+
+    }
+
+}