import static com.google.common.base.Preconditions.checkState;
-import com.google.common.base.Function;
-import com.google.common.base.Objects;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Strings;
-import com.google.common.collect.ImmutableList;
-
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
+import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+import javax.xml.transform.dom.DOMResult;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.AttributesContainer;
import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.ModifyAction;
import org.opendaylight.yangtools.yang.data.api.Node;
-import org.opendaylight.yangtools.yang.data.api.SimpleNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl;
import org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec;
import org.opendaylight.yangtools.yang.model.api.SchemaNode;
import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.InstanceIdentifierTypeDefinition;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
-public class XmlDocumentUtils {
+import com.google.common.base.Function;
+import com.google.common.base.Objects;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableList;
+public class XmlDocumentUtils {
private static class ElementWithSchemaContext {
Element element;
SchemaContext schemaContext;
}
}
+ public static final QName OPERATION_ATTRIBUTE_QNAME = QName.create(URI.create("urn:ietf:params:xml:ns:netconf:base:1.0"), null, "operation");
+ private static final Logger logger = LoggerFactory.getLogger(XmlDocumentUtils.class);
+ private static final XMLOutputFactory FACTORY = XMLOutputFactory.newFactory();
private static final XmlCodecProvider DEFAULT_XML_VALUE_CODEC_PROVIDER = new XmlCodecProvider() {
-
@Override
public TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codecFor(final TypeDefinition<?> baseType) {
return TypeDefinitionAwareCodec.from(baseType);
}
};
- private static final Logger logger = LoggerFactory.getLogger(XmlDocumentUtils.class);
-
/**
* Converts Data DOM structure to XML Document for specified XML Codec Provider and corresponding
* Data Node Container schema. The CompositeNode data parameter enters as root of Data DOM tree and will
Preconditions.checkNotNull(data);
Preconditions.checkNotNull(schema);
- Document doc = getDocument();
+ if (!(schema instanceof ContainerSchemaNode || schema instanceof ListSchemaNode)) {
+ throw new UnsupportedDataTypeException("Schema can be ContainerSchemaNode or ListSchemaNode. Other types are not supported yet.");
+ }
- if (schema instanceof ContainerSchemaNode || schema instanceof ListSchemaNode) {
- doc.appendChild(createXmlRootElement(doc, data, (SchemaNode) schema, codecProvider));
- return doc;
- } else {
- throw new UnsupportedDataTypeException(
- "Schema can be ContainerSchemaNode or ListSchemaNode. Other types are not supported yet.");
+ final DOMResult result = new DOMResult();
+ result.setNode(getDocument());
+ try {
+ final XMLStreamWriter writer = FACTORY.createXMLStreamWriter(result);
+ XmlStreamUtils.create(codecProvider).writeDocument(writer, data, (SchemaNode)schema);
+ writer.close();
+ return (Document)result.getNode();
+ } catch (XMLStreamException e) {
+ logger.error("Failed to serialize data {}", data, e);
+ return null;
}
}
* @return new instance of XML Document
* @throws UnsupportedDataTypeException
*/
- public static Document toDocument(final CompositeNode data, final XmlCodecProvider codecProvider)
- throws UnsupportedDataTypeException {
- Preconditions.checkNotNull(data);
-
- DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
- dbf.setNamespaceAware(true);
- Document doc = null;
+ public static Document toDocument(final CompositeNode data, final XmlCodecProvider codecProvider) {
+ final DOMResult result = new DOMResult();
try {
- DocumentBuilder bob = dbf.newDocumentBuilder();
- doc = bob.newDocument();
- } catch (ParserConfigurationException e) {
+ final XMLStreamWriter writer = FACTORY.createXMLStreamWriter(result);
+ XmlStreamUtils.create(codecProvider).writeDocument(writer, data);
+ writer.close();
+ return (Document)result.getNode();
+ } catch (XMLStreamException e) {
+ logger.error("Failed to serialize data {}", data, e);
return null;
}
-
- doc.appendChild(createXmlRootElement(doc, data, null, codecProvider));
- return doc;
- }
-
- private static Element createXmlRootElement(final Document doc, final Node<?> data, final SchemaNode schema,
- final XmlCodecProvider codecProvider) throws UnsupportedDataTypeException {
- Element itemEl = createElementFor(doc, data);
- if (data instanceof SimpleNode<?>) {
- if (schema instanceof LeafListSchemaNode) {
- writeValueByType(itemEl, (SimpleNode<?>) data, ((LeafListSchemaNode) schema).getType(),
- (DataSchemaNode) schema, codecProvider);
- } else if (schema instanceof LeafSchemaNode) {
- writeValueByType(itemEl, (SimpleNode<?>) data, ((LeafSchemaNode) schema).getType(),
- (DataSchemaNode) schema, codecProvider);
- } else {
- Object value = data.getValue();
- if (value != null) {
- itemEl.setTextContent(String.valueOf(value));
- }
- }
- } else { // CompositeNode
- for (Node<?> child : ((CompositeNode) data).getValue()) {
- DataSchemaNode childSchema = null;
- if (schema instanceof DataNodeContainer) {
- childSchema = findFirstSchema(child.getNodeType(), ((DataNodeContainer) schema).getChildNodes()).orNull();
- if (logger.isDebugEnabled()) {
- if (childSchema == null) {
- logger.debug("Probably the data node \""
- + ((child == null) ? "" : child.getNodeType().getLocalName())
- + "\" is not conform to schema");
- }
- }
- }
- itemEl.appendChild(createXmlRootElement(doc, child, childSchema, codecProvider));
- }
- }
- return itemEl;
}
- public static Element createElementFor(final Document doc, final Node<?> data) {
- QName dataType = data.getNodeType();
- Element ret;
- if (dataType.getNamespace() != null) {
- ret = doc.createElementNS(dataType.getNamespace().toString(), dataType.getLocalName());
+ private static final Element createElementFor(final Document doc, final QName qname, final Object obj) {
+ final Element ret;
+ if (qname.getNamespace() != null) {
+ ret = doc.createElementNS(qname.getNamespace().toString(), qname.getLocalName());
} else {
- ret = doc.createElementNS(null, dataType.getLocalName());
- }
- if (data instanceof AttributesContainer && ((AttributesContainer) data).getAttributes() != null) {
- for (Entry<QName, String> attribute : ((AttributesContainer) data).getAttributes().entrySet()) {
- ret.setAttributeNS(attribute.getKey().getNamespace().toString(), attribute.getKey().getLocalName(),
- attribute.getValue());
- }
-
+ ret = doc.createElementNS(null, qname.getLocalName());
}
- return ret;
- }
-
- public static void writeValueByType(final Element element, final SimpleNode<?> node, final TypeDefinition<?> type,
- final DataSchemaNode schema, final XmlCodecProvider codecProvider) {
-
- Object nodeValue = node.getValue();
- writeValueByType(element, type, codecProvider, nodeValue);
- }
+ if (obj instanceof AttributesContainer) {
+ final Map<QName, String> attrs = ((AttributesContainer)obj).getAttributes();
- public static void writeValueByType(final Element element, final TypeDefinition<?> type, final XmlCodecProvider codecProvider, final Object nodeValue) {
- TypeDefinition<?> baseType = resolveBaseTypeFrom(type);
- if (baseType instanceof IdentityrefTypeDefinition) {
- if (nodeValue instanceof QName) {
- QName value = (QName) nodeValue;
- String prefix = "x";
- if (value.getPrefix() != null && !value.getPrefix().isEmpty()) {
- prefix = value.getPrefix();
- }
- element.setAttribute("xmlns:" + prefix, value.getNamespace().toString());
- element.setTextContent(prefix + ":" + value.getLocalName());
- } else {
- Object value = nodeValue;
- logger.debug("Value of {}:{} is not instance of QName but is {}", baseType.getQName().getNamespace(),
- baseType.getQName().getLocalName(), value != null ? value.getClass() : "null");
- if (value != null) {
- element.setTextContent(String.valueOf(value));
- }
- }
- } else if (baseType instanceof InstanceIdentifierTypeDefinition) {
- if (nodeValue instanceof InstanceIdentifier) {
- InstanceIdentifierForXmlCodec.serialize((InstanceIdentifier)nodeValue,element);
- } else {
- Object value = nodeValue;
- logger.debug("Value of {}:{} is not instance of InstanceIdentifier but is {}", baseType.getQName()
- .getNamespace(), //
- baseType.getQName().getLocalName(), value != null ? value.getClass() : "null");
- if (value != null) {
- element.setTextContent(String.valueOf(value));
- }
- }
- } else {
- if (nodeValue != null) {
- final TypeDefinitionAwareCodec<Object, ?> codec = codecProvider.codecFor(baseType);
- if (codec != null) {
- try {
- final String text = codec.serialize(nodeValue);
- element.setTextContent(text);
- } catch (ClassCastException e) {
- logger.error("Provided node value {} did not have type {} required by mapping. Using stream instead.", nodeValue, baseType, e);
- element.setTextContent(String.valueOf(nodeValue));
- }
- } else {
- logger.error("Failed to find codec for {}, falling back to using stream", baseType);
- element.setTextContent(String.valueOf(nodeValue));
+ if (attrs != null) {
+ for (Entry<QName, String> attribute : attrs.entrySet()) {
+ ret.setAttributeNS(attribute.getKey().getNamespace().toString(), attribute.getKey().getLocalName(),
+ attribute.getValue());
}
}
}
+
+ return ret;
}
- public final static TypeDefinition<?> resolveBaseTypeFrom(final TypeDefinition<?> type) {
- TypeDefinition<?> superType = type;
- while (superType.getBaseType() != null) {
- superType = superType.getBaseType();
- }
- return superType;
+ public static Element createElementFor(final Document doc, final Node<?> data) {
+ return createElementFor(doc, data.getNodeType(), data);
+ }
+
+ public static Element createElementFor(final Document doc, final NormalizedNode<?, ?> data) {
+ return createElementFor(doc, data.getNodeType(), data);
}
public static Node<?> toDomNode(final Element xmlElement, final Optional<DataSchemaNode> schema,
return ImmutableCompositeNode.create(qName, values, modifyAction.orNull());
}
- public static final QName OPERATION_ATTRIBUTE_QNAME = QName.create(URI.create("urn:ietf:params:xml:ns:netconf:base:1.0"), null, "operation");
-
public static Optional<ModifyAction> getModifyOperationFromAttributes(final Element xmlElement) {
Attr attributeNodeNS = xmlElement.getAttributeNodeNS(OPERATION_ATTRIBUTE_QNAME.getNamespace().toString(), OPERATION_ATTRIBUTE_QNAME.getLocalName());
if(attributeNodeNS == null) {
- return Optional.absent();
- }
+ return Optional.absent();
+ }
ModifyAction action = ModifyAction.fromXmlValue(attributeNodeNS.getValue());
Preconditions.checkArgument(action.isOnElementPermitted(), "Unexpected operation %s on %s", action, xmlElement);
Code Review / yangtools.git / blobdiff