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package org.openecomp.mso.yangDecoder.transform.impl;
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import org.opendaylight.netconf.sal.restconf.impl.ControllerContext;
import org.opendaylight.netconf.sal.restconf.impl.InstanceIdentifierContext;
import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.DomUtils;
import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.parser.DomToNormalizedNodeParserFactory;
import org.opendaylight.yangtools.yang.model.api.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.SAXException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.stream.XMLOutputFactory;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.AbstractMap.SimpleEntry;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import static org.openecomp.mso.yangDecoder.transform.impl.JsonParserStream.getWrapSchemaNode;
public class YangDataTransformNN2XMLServiceImpl {
private static final XMLOutputFactory XML_FACTORY;
private static final DocumentBuilderFactory BUILDERFACTORY;
static {
XML_FACTORY = XMLOutputFactory.newFactory();
XML_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, false);
final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
factory.setCoalescing(true);
factory.setIgnoringElementContentWhitespace(true);
factory.setIgnoringComments(true);
BUILDERFACTORY = factory;
}
BindingNormalizedNodeSerializer mappingservice;
SchemaContext schemaContext;
private static final Logger LOG = LoggerFactory.getLogger(YangDataTransformNN2XMLServiceImpl.class);
public YangDataTransformNN2XMLServiceImpl(BindingNormalizedNodeSerializer mappingservice, SchemaContext context ) {
this.schemaContext = context;
this.mappingservice=mappingservice;
}
public String transformNNToString(NormalizedNode nn)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(YangOdlNNC2XMLImpl.getXMLHeader());
new NormalizedNodeNavigator(new NormalizedNodePrinter(stringBuilder)).navigate(null, nn);
return stringBuilder.toString();
}
public static DataSchemaNode getSchemaNodebyNs(final SchemaContext context, final String ns, final String childNodeName) {
for (Module module : context.getModules()) {
if (module.getNamespace().toString().equals(ns)) {
DataSchemaNode found = findChildNode(module.getChildNodes(), childNodeName);
Preconditions.checkState(found != null, "Unable to find %s", childNodeName);
return found;
}
}
throw new IllegalStateException("Unable to find child node " + childNodeName);
}
private static DataSchemaNode findChildNode(final Iterable<DataSchemaNode> children, final String name) {
List<DataNodeContainer> containers = Lists.newArrayList();
for (DataSchemaNode dataSchemaNode : children) {
if (dataSchemaNode.getQName().getLocalName().equals(name)) {
return dataSchemaNode;
}
if (dataSchemaNode instanceof DataNodeContainer) {
containers.add((DataNodeContainer) dataSchemaNode);
} else if (dataSchemaNode instanceof ChoiceSchemaNode) {
containers.addAll(((ChoiceSchemaNode) dataSchemaNode).getCases());
}
}
for (DataNodeContainer container : containers) {
DataSchemaNode retVal = findChildNode(container.getChildNodes(), name);
if (retVal != null) {
return retVal;
}
}
return null;
}
public NormalizedNode transformNNFromString(String sxml) throws Exception {
InputStream in_nocode = new ByteArrayInputStream(sxml.getBytes(Charsets.UTF_8));//.getBytes("UTF-8")
//xml2nn
final Document docxml = readXmlToDocument(in_nocode);
Element element0 = docxml.getDocumentElement();
String localname = element0.getNodeName();
String ns = element0.getAttribute("xmlns");
// final ContainerSchemaNode containerNodex = (ContainerSchemaNode)null;
final DataSchemaNode dsn=getSchemaNodebyNs(schemaContext, ns, localname);
//cn.getNodeType().getNamespace().toString(), cn.getNodeType().getLocalName());
DomToNormalizedNodeParserFactory parserFactory =DomToNormalizedNodeParserFactory.getInstance(DomUtils.defaultValueCodecProvider(), schemaContext);
NormalizedNode parsed = null;
final List<Element> elements = Collections.singletonList(docxml.getDocumentElement());
if (dsn instanceof ContainerSchemaNode) {
parsed= parserFactory.getContainerNodeParser().parse(elements, (ContainerSchemaNode)dsn);
}else if (dsn instanceof ListSchemaNode) {
final ListSchemaNode casted = (ListSchemaNode) dsn;
parsed=parserFactory.getMapEntryNodeParser().parse(elements, casted);
}
return parsed;
}
public NormalizedNode transformNotificationNNfromString(String sxml, final InstanceIdentifierContext<?> iicontext) throws Exception
{
SchemaNode schemaNode = getWrapSchemaNode(iicontext.getSchemaNode());
InputStream in_nocode = new ByteArrayInputStream(sxml.getBytes(Charsets.UTF_8));//.getBytes("UTF-8")
//xml2nn
final Document docxml = readXmlToDocument(in_nocode);
Element element0 = docxml.getDocumentElement();
String localname = element0.getNodeName();
String ns = element0.getAttribute("xmlns");
// final ContainerSchemaNode containerNodex = (ContainerSchemaNode)null;
// final DataSchemaNode dsn=(DataSchemaNode)schemaNode;/*getSchemaNodebyNs(schemaContext, ns, localname);*/
//cn.getNodeType().getNamespace().toString(), cn.getNodeType().getLocalName());
DomToNormalizedNodeParserFactory parserFactory =DomToNormalizedNodeParserFactory.getInstance(DomUtils.defaultValueCodecProvider(), schemaContext);
NormalizedNode parsed = null;
final List<Element> elements = Collections.singletonList(docxml.getDocumentElement());
if (schemaNode instanceof ContainerSchemaNode) {
parsed= parserFactory.getContainerNodeParser().parse(elements, (ContainerSchemaNode)schemaNode);
}else if (schemaNode instanceof ListSchemaNode) {
final ListSchemaNode casted = (ListSchemaNode) schemaNode;
parsed=parserFactory.getMapEntryNodeParser().parse(elements, casted);
}
return parsed;
}
public NormalizedNode transformNotificationStringtoNN(String sxml,String notficationName) throws Exception {
final InstanceIdentifierContext<?> iicontext= ControllerContext.getInstance().toInstanceIdentifier(notficationName);
return transformNotificationNNfromString(sxml,iicontext);
}
public Map.Entry<DataSchemaNode, NormalizedNode> transformRpcNNEntryfromString(String sxml, final InstanceIdentifierContext<?> iirpccontext) throws Exception{
InputStream in_nocode = new ByteArrayInputStream(sxml.getBytes(Charsets.UTF_8));//.getBytes("UTF-8")
//xml2nn
final Document docxml = readXmlToDocument(in_nocode);
Element element0 = docxml.getDocumentElement();
String localname = element0.getNodeName();
String ns = element0.getAttribute("xmlns");
DataSchemaNode schemaNode;
final SchemaNode schemaNode0 = iirpccontext.getSchemaNode();
boolean isInput = false;
if (schemaNode0 instanceof RpcDefinition) {
if (docxml.getDocumentElement().getLocalName().contains("output")) {
schemaNode = ((RpcDefinition) schemaNode0).getOutput();
isInput = false;
} else {
schemaNode = ((RpcDefinition) schemaNode0).getInput();
isInput = true;
}
} else if (docxml instanceof DataSchemaNode) {
schemaNode = (DataSchemaNode) docxml;
} else {
throw new IllegalStateException("Unknow SchemaNode");
}
final List<YangInstanceIdentifier.PathArgument> iiToDataList = new ArrayList<>();
InstanceIdentifierContext<? extends SchemaNode> outIIContext;
// final ContainerSchemaNode containerNodex = (ContainerSchemaNode)null;
// final DataSchemaNode dsn=(DataSchemaNode)schemaNode;/*getSchemaNodebyNs(schemaContext, ns, localname);*/
//cn.getNodeType().getNamespace().toString(), cn.getNodeType().getLocalName());
DomToNormalizedNodeParserFactory parserFactory =DomToNormalizedNodeParserFactory.getInstance(DomUtils.defaultValueCodecProvider(), schemaContext);
NormalizedNode parsed = null;
final List<Element> elements = Collections.singletonList(docxml.getDocumentElement());
if (schemaNode instanceof ContainerSchemaNode) {
parsed= parserFactory.getContainerNodeParser().parse(elements, (ContainerSchemaNode)schemaNode);
}else if (schemaNode instanceof ListSchemaNode) {
final ListSchemaNode casted = (ListSchemaNode) schemaNode;
parsed=parserFactory.getMapEntryNodeParser().parse(elements, casted);
}
return new SimpleEntry<DataSchemaNode, NormalizedNode>(schemaNode,parsed);
}
public NormalizedNode transformRpcNNfromString(String sxml, final InstanceIdentifierContext<?> iirpccontext) throws Exception{
InputStream in_nocode = new ByteArrayInputStream(sxml.getBytes(Charsets.UTF_8));//.getBytes("UTF-8")
//xml2nn
final Document docxml = readXmlToDocument(in_nocode);
Element element0 = docxml.getDocumentElement();
String localname = element0.getNodeName();
String ns = element0.getAttribute("xmlns");
DataSchemaNode schemaNode;
final SchemaNode schemaNode0 = iirpccontext.getSchemaNode();
boolean isInput = false;
if (schemaNode0 instanceof RpcDefinition) {
if (docxml.getDocumentElement().getLocalName().contains("output")) {
schemaNode = ((RpcDefinition) schemaNode0).getOutput();
isInput = false;
} else {
schemaNode = ((RpcDefinition) schemaNode0).getInput();
isInput = true;
}
} else if (docxml instanceof DataSchemaNode) {
schemaNode = (DataSchemaNode) docxml;
} else {
throw new IllegalStateException("Unknow SchemaNode");
}
final List<YangInstanceIdentifier.PathArgument> iiToDataList = new ArrayList<>();
InstanceIdentifierContext<? extends SchemaNode> outIIContext;
// final ContainerSchemaNode containerNodex = (ContainerSchemaNode)null;
// final DataSchemaNode dsn=(DataSchemaNode)schemaNode;/*getSchemaNodebyNs(schemaContext, ns, localname);*/
//cn.getNodeType().getNamespace().toString(), cn.getNodeType().getLocalName());
DomToNormalizedNodeParserFactory parserFactory =DomToNormalizedNodeParserFactory.getInstance(DomUtils.defaultValueCodecProvider(), schemaContext);
NormalizedNode parsed = null;
final List<Element> elements = Collections.singletonList(docxml.getDocumentElement());
if (schemaNode instanceof ContainerSchemaNode) {
parsed= parserFactory.getContainerNodeParser().parse(elements, (ContainerSchemaNode)schemaNode);
}else if (schemaNode instanceof ListSchemaNode) {
final ListSchemaNode casted = (ListSchemaNode) schemaNode;
parsed=parserFactory.getMapEntryNodeParser().parse(elements, casted);
}
return parsed;
}
public NormalizedNode transformRpcNNfromString(String sxml, String rpcName) throws Exception {
final InstanceIdentifierContext<?> iicontext= ControllerContext.getInstance().toInstanceIdentifier(rpcName);
return this.transformRpcNNfromString(sxml,iicontext);
}
public static Document readXmlToDocument(final InputStream xmlContent) throws IOException, SAXException {
final DocumentBuilder dBuilder;
try {
dBuilder = BUILDERFACTORY.newDocumentBuilder();
} catch (final ParserConfigurationException e) {
throw new RuntimeException("Failed to parse XML document", e);
}
final Document doc = dBuilder.parse(xmlContent);
doc.getDocumentElement().normalize();
return doc;
}
}
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