| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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. |
| */ |
| |
| package org.onosproject.yms.app.ych.defaultcodecs.xml; |
| |
| import org.dom4j.Attribute; |
| import org.dom4j.Element; |
| import org.onosproject.yms.app.ydt.YdtExtendedBuilder; |
| import org.onosproject.yms.ydt.YdtContextOperationType; |
| |
| import java.util.Iterator; |
| |
| import static org.onosproject.yms.app.ych.defaultcodecs.netconf.NetconfCodecConstants.OPERATION; |
| import static org.onosproject.yms.app.ych.defaultcodecs.xml.XmlNodeType.OBJECT_NODE; |
| import static org.onosproject.yms.app.ych.defaultcodecs.xml.XmlNodeType.TEXT_NODE; |
| |
| /** |
| * Default implementation of codec xml listener. |
| */ |
| class XmlCodecListener implements XmlListener { |
| |
| /** |
| * YANG data tree builder object. |
| */ |
| private YdtExtendedBuilder ydtExtBuilder; |
| |
| private String prevNodeNamespace; |
| |
| /** |
| * Sets the YANG data tree builder object. |
| * |
| * @param ydtBuilder YANG data tree builder object |
| */ |
| void setYdtExtBuilder(YdtExtendedBuilder ydtBuilder) { |
| ydtExtBuilder = ydtBuilder; |
| } |
| |
| @Override |
| public void enterXmlElement(Element element, XmlNodeType nodeType, |
| Element rootElement) { |
| if (element.equals(rootElement)) { |
| return; |
| } |
| |
| YdtContextOperationType opType = null; |
| |
| for (Iterator iter = element.attributeIterator(); iter.hasNext();) { |
| Attribute attr = (Attribute) iter.next(); |
| if (attr.getName().equals(OPERATION)) { |
| opType = |
| YdtContextOperationType.valueOf(attr.getValue() |
| .toUpperCase()); |
| } |
| } |
| |
| String nameSpace = null; |
| if (element.getNamespace() != null) { |
| nameSpace = element.getNamespace().getURI(); |
| } |
| |
| /* |
| * When new module has to be added, and if curnode has reference of |
| * previous module, then we need to traverse back to parent(logical |
| * root node). |
| */ |
| if (ydtExtBuilder.getRootNode() == ydtExtBuilder.getCurNode() |
| .getParent() && prevNodeNamespace != null && |
| !prevNodeNamespace.equals(nameSpace)) { |
| ydtExtBuilder.traverseToParent(); |
| } |
| |
| if (nodeType == OBJECT_NODE && |
| (element.content() == null || element.content().isEmpty())) { |
| if (ydtExtBuilder != null) { |
| if (ydtExtBuilder.getCurNode() == ydtExtBuilder.getRootNode()) { |
| ydtExtBuilder.addChild(null, nameSpace, opType); |
| } |
| ydtExtBuilder.addNode(element.getName(), nameSpace); |
| } |
| } else if (nodeType == OBJECT_NODE) { |
| if (ydtExtBuilder != null) { |
| if (ydtExtBuilder.getCurNode() == ydtExtBuilder.getRootNode()) { |
| ydtExtBuilder.addChild(null, nameSpace, opType); |
| } |
| ydtExtBuilder.addChild(element.getName(), nameSpace, opType); |
| } |
| } else if (nodeType == TEXT_NODE) { |
| if (ydtExtBuilder != null) { |
| if (ydtExtBuilder.getCurNode() == ydtExtBuilder.getRootNode()) { |
| ydtExtBuilder.addChild(null, nameSpace, opType); |
| } |
| ydtExtBuilder.addLeaf(element.getName(), nameSpace, |
| element.getText()); |
| } |
| } |
| |
| if (nameSpace != null) { |
| prevNodeNamespace = nameSpace; |
| } |
| } |
| |
| @Override |
| public void exitXmlElement(Element element, XmlNodeType nodeType, |
| Element rootElement) { |
| if (element.equals(rootElement)) { |
| return; |
| } |
| |
| if (ydtExtBuilder != null) { |
| ydtExtBuilder.traverseToParent(); |
| } |
| } |
| } |