--- /dev/null
+/*******************************************************************************
+ * ============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.dataprovider.yangtools;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class YangToolsCloner {
+
+ private static YangToolsMapper yangtoolsMapper = new YangToolsMapper();
+ private static final Logger LOG = LoggerFactory.getLogger(YangToolsCloner.class);
+ public static final int ACCESSOR_FIELD = 0;
+ public static final int ACCESSOR_METHOD = 1;
+
+
+ private final int accessor;
+
+ private YangToolsCloner(int ac) {
+ this.accessor = ac;
+ }
+ public static YangToolsCloner instance() {
+ return instance(ACCESSOR_METHOD);
+ }
+ public static YangToolsCloner instance(int ac) {
+ return new YangToolsCloner(ac);
+ }
+ /**
+ *
+ * @param source source object
+ * @param clazz Class of return object
+ * @return list of cloned object
+ * @return
+ */
+ public <S extends DataObject, T extends DataObject> List<T> cloneList(List<S> source, Class<T> clazz) {
+ return cloneList(source, clazz, null);
+ }
+
+ /**
+ *
+ * @param source source object
+ * @param clazz Class of return object
+ * @attrList filter for attribute Names to clone
+ * @return list of cloned object
+ */
+ public <S extends DataObject, T extends DataObject> List<T> cloneList(List<S> source, Class<T> clazz,
+ @Nullable List<String> attrList) {
+ if (source == null) {
+ return null;
+ }
+ List<T> list = new ArrayList<>();
+ for (S s : source) {
+ list.add(clone(s, clazz, attrList));
+ }
+ return list;
+ }
+
+ /**
+ *
+ * @param source source object
+ * @param clazz Class of return object
+ * @return cloned object
+ */
+ public <S , T extends DataObject> T clone(S source, Class<T> clazz) {
+ return clone(source, clazz, null);
+ }
+ /**
+ *
+ * @param source source object
+ * @param clazz Class of return object
+ * @attrList if empty copy all else list of attribute Names to clone
+ * @return cloned object
+ */
+ public <S, T extends DataObject> T clone(S source, Class<T> clazz,
+ @Nullable List<String> attrList) {
+ if (source == null) {
+ return (T)null;
+ }
+ Field[] attributeFields;
+ Field sourceField;
+ Method m;
+ Builder<T> builder = yangtoolsMapper.getBuilder(clazz);
+ T object = builder.build();
+ attributeFields = object.getClass().getDeclaredFields();
+ for (Field attributeField : attributeFields) {
+ // check if attr is in inclusion list
+ if (attrList != null && !attrList.contains(attributeField.getName())) {
+ continue;
+ }
+ // ignore QNAME
+ if (attributeField.getName().equals("QNAME")) {
+ continue;
+ }
+
+ attributeField.setAccessible(true);
+ try {
+ if(accessor==ACCESSOR_FIELD) {
+ sourceField = source.getClass().getDeclaredField(attributeField.getName());
+ sourceField.setAccessible(true);
+ if (attributeField.getType().equals(String.class) && !sourceField.getType().equals(String.class)) {
+ attributeField.set(object, String.valueOf(sourceField.get(source)));
+ } else {
+ attributeField.set(object, sourceField.get(source));
+ }
+ }
+ else if(accessor==ACCESSOR_METHOD) {
+ String getter = getter(attributeField.getName());
+ System.out.println("getter="+getter);
+ m = source.getClass().getDeclaredMethod(getter);
+ m.setAccessible(true);
+ if (attributeField.getType().equals(String.class) && !m.getReturnType().equals(String.class)) {
+ attributeField.set(object, String.valueOf(m.invoke(source)));
+ } else {
+ attributeField.set(object, m.invoke(source));
+ }
+ }
+
+ } catch (NoSuchMethodException | NoSuchFieldException e) {
+ // Convert to run-time exception
+ String msg = "no such field " + attributeField.getName() + " in class " + source.getClass().getName();
+ LOG.debug(msg);
+ // throw new IllegalArgumentException(msg);
+ } catch (IllegalAccessException|SecurityException e) {
+ LOG.debug("Access problem " + attributeField.getName(), e);
+ } catch (IllegalArgumentException e) {
+ LOG.debug("argument problem " + attributeField.getName(), e);
+ } catch (InvocationTargetException e) {
+ LOG.debug("invocation problem " + attributeField.getName(), e);
+ }
+ }
+
+ return object;
+ }
+
+ private static String getter(String name) {
+ return String.format("%s%s%s","get",name.substring(1, 2).toUpperCase(),name.substring(2));
+ }
+ public <S extends DataObject, T extends DataObject,B extends Builder<T>> B cloneToBuilder(S source, B builder){
+ return cloneToBuilder(source, builder,null);
+ }
+ public <S extends DataObject, T extends DataObject,B extends Builder<T>> B cloneToBuilder(S source, B builder,
+ @Nullable List<String> attrList) {
+ Field[] attributeFields;
+ Field sourceField;
+ Method m;
+ attributeFields = builder.getClass().getDeclaredFields();
+ for (Field attributeField : attributeFields) {
+ // check if attr is in inclusion list
+ if (attrList != null && !attrList.contains(attributeField.getName())) {
+ continue;
+ }
+ // ignore QNAME
+ if (attributeField.getName().equals("QNAME")) {
+ continue;
+ }
+
+ attributeField.setAccessible(true);
+ try {
+ if(accessor==ACCESSOR_FIELD) {
+ sourceField = source.getClass().getDeclaredField(attributeField.getName());
+ sourceField.setAccessible(true);
+ if (attributeField.getType().equals(String.class) && !sourceField.getType().equals(String.class)) {
+ attributeField.set(builder, String.valueOf(sourceField.get(source)));
+ } else {
+ attributeField.set(builder, sourceField.get(source));
+ }
+ }
+ else if(accessor==ACCESSOR_METHOD) {
+ m = source.getClass().getDeclaredMethod(getter(attributeField.getName()));
+ m.setAccessible(true);
+ if (attributeField.getType().equals(String.class) && !m.getReturnType().equals(String.class)) {
+ attributeField.set(builder, String.valueOf(m.invoke(source)));
+ } else {
+ attributeField.set(builder, m.invoke(source));
+ }
+ }
+
+ } catch (NoSuchMethodException | NoSuchFieldException e) {
+ // Convert to run-time exception
+ String msg = "no such field " + attributeField.getName() + " in class " + source.getClass().getName();
+ LOG.debug(msg);
+ // throw new IllegalArgumentException(msg);
+ } catch (IllegalAccessException|SecurityException e) {
+ LOG.debug("Access problem " + attributeField.getName(), e);
+ } catch (IllegalArgumentException e) {
+ LOG.debug("argument problem " + attributeField.getName(), e);
+ } catch (InvocationTargetException e) {
+ LOG.debug("invocation problem " + attributeField.getName(), e);
+ }
+ }
+ return builder;
+ }
+}
Code Review / ccsdk / features.git / blobdiff