package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
+import org.dom4j.Document;
+import org.dom4j.DocumentHelper;
import org.dom4j.Element;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.DefaultPropertiesNodeWalker;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.LeafNode;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.Namespace;
import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNode;
import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.PropertiesNodeListener;
+import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.RootNode;
import java.io.Writer;
+import java.net.URI;
+import java.util.Collection;
+import java.util.Map;
import java.util.Stack;
+import static java.lang.String.format;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.UTF_HEADER;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.XML_PREFIX;
+import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.getXmlWriter;
+
/**
* Representation of XML implementation of properties node listener.
*/
@Override
public void start(PropertiesNode node) {
- //TODO: Implementation code.
+ //Do Nothing.
}
@Override
- public void end(PropertiesNode node) {
- //TODO: Implementation code.
+ public void end(PropertiesNode node) throws SvcLogicException {
+ xmlData = UTF_HEADER + xmlData;
+ writer = getXmlWriter(xmlData, "4");
}
@Override
- public void enterPropertiesNode(PropertiesNode node) {
- //TODO: Implementation code.
+ public void enterPropertiesNode(PropertiesNode node)
+ throws SvcLogicException {
+ Element element = null;
+ String ns = getNodeNamespace(node);
+ switch (node.nodeType()) {
+ case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+ case MULTI_INSTANCE_HOLDER_NODE:
+ break;
+
+ case SINGLE_INSTANCE_NODE:
+ case MULTI_INSTANCE_NODE:
+ element = addElement(ns, node);
+ break;
+
+ case MULTI_INSTANCE_LEAF_NODE:
+ case SINGLE_INSTANCE_LEAF_NODE:
+ element = addElement(ns, node);
+ setValueWithNs(element, (LeafNode) node);
+ break;
+
+ default:
+ throw new SvcLogicException(format(
+ NODE_TYPE_ERR, node.nodeType().toString()));
+ }
+ if (element != null) {
+ if (elementStack.isEmpty()) {
+ rootElement = element;
+ }
+ elementStack.push(element);
+ }
}
@Override
- public void exitPropertiesNode(PropertiesNode node) {
- //TODO: Implementation code.
+ public void exitPropertiesNode(PropertiesNode node)
+ throws SvcLogicException {
+ walkAugmentationNode(node);
+ switch (node.nodeType()) {
+ case MULTI_INSTANCE_LEAF_HOLDER_NODE:
+ case MULTI_INSTANCE_HOLDER_NODE:
+ break;
+
+ case SINGLE_INSTANCE_NODE:
+ case MULTI_INSTANCE_NODE:
+ case MULTI_INSTANCE_LEAF_NODE:
+ case SINGLE_INSTANCE_LEAF_NODE:
+ if (!elementStack.isEmpty() &&
+ elementStack.peek().equals(rootElement)) {
+ xmlData = rootElement.asXML();
+ } else {
+ elementStack.pop();
+ }
+ break;
+
+ default:
+ throw new SvcLogicException(format(
+ NODE_TYPE_ERR, node.nodeType().toString()));
+ }
+ }
+
+ /**
+ * Returns the writer.
+ *
+ * @return writer
+ */
+ public Writer getWriter() {
+ return writer;
+ }
+
+ /**
+ * Adds an XML element to the stack with namespace if present. If the
+ * stack is empty it creates new document and adds element else adds to
+ * the parent element.
+ *
+ * @param ns namespace of the element
+ * @param node properties node
+ * @return new added element
+ */
+ private Element addElement(String ns, PropertiesNode node) {
+ Element element;
+ if (elementStack.isEmpty()) {
+ Document doc = DocumentHelper.createDocument();
+ if (ns != null) {
+ element = doc.addElement(node.name(), ns);
+ } else {
+ element = doc.addElement(node.name());
+ }
+ } else {
+ element = elementStack.peek();
+ if (ns != null) {
+ element = element.addElement(node.name(), ns);
+ } else {
+ element = element.addElement(node.name());
+ }
+ }
+
+ return element;
+ }
+
+ /**
+ * Returns the abstract XML namespace to be used in XML data format from
+ * the properties node.
+ *
+ * @param node properties node
+ * @return abstract XML namespace
+ */
+ private String getNodeNamespace(PropertiesNode node) {
+ PropertiesNode parent = node.parent();
+ if (parent instanceof RootNode || !parent.namespace().moduleName()
+ .equals(node.namespace().moduleName())) {
+ return node.namespace().moduleNs().toString();
+ }
+ return null;
+ }
+
+ /**
+ * Sets the value to the element for a leaf node and adds the value
+ * namespace if required.
+ *
+ * @param element XML element
+ * @param node leaf properties node
+ */
+ private void setValueWithNs(Element element, LeafNode node) {
+ Namespace valNs = node.valueNs();
+ URI modNs = (valNs == null) ? null : valNs.moduleNs();
+ String val = node.value();
+ if (modNs != null) {
+ element.addNamespace(XML_PREFIX, modNs.toString());
+ element.setText(XML_PREFIX + ":" + val);
+ } else {
+ element.setText(val);
+ }
+ }
+
+ /**
+ * Gets all the augmentation of the given node and walks through it.
+ *
+ * @param node properties node
+ * @throws SvcLogicException when walking the properties node fails
+ */
+ private void walkAugmentationNode(PropertiesNode node)
+ throws SvcLogicException {
+ for (Map.Entry<Object, Collection<PropertiesNode>>
+ augToChild : node.augmentations().asMap().entrySet()) {
+ Collection<PropertiesNode> augChild = augToChild.getValue();
+ if (!augChild.isEmpty()) {
+ DefaultPropertiesNodeWalker walker = new
+ DefaultPropertiesNodeWalker();
+ for (PropertiesNode p : augChild) {
+ enterPropertiesNode(p);
+ walker.walkChildNode(this, p);
+ exitPropertiesNode(p);
+ }
+ }
+ }
}
}
Code Review / ccsdk / sli / plugins.git / blobdiff