import com.google.common.base.Preconditions;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
-
import java.io.Closeable;
import java.io.Flushable;
import java.io.IOException;
+import java.util.Collection;
import java.util.Set;
-
import javax.xml.stream.XMLStreamReader;
-
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.AnyXmlNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.OrderedLeafSetNode;
import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
+import org.opendaylight.yangtools.yang.data.api.schema.YangModeledAnyXmlNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NormalizedNodeWriter implements Closeable, Flushable {
private final NormalizedNodeStreamWriter writer;
- private NormalizedNodeWriter(final NormalizedNodeStreamWriter writer) {
+ protected NormalizedNodeWriter(final NormalizedNodeStreamWriter writer) {
this.writer = Preconditions.checkNotNull(writer);
}
* events to the encapsulated {@link NormalizedNodeStreamWriter}.
*
* @param node Node
- * @return
+ * @return NormalizedNodeWriter this
* @throws IOException when thrown from the backing writer.
*/
public NormalizedNodeWriter write(final NormalizedNode<?, ?> node) throws IOException {
throw new IllegalStateException("It wasn't possible to serialize node " + node);
}
- private boolean wasProcessAsSimpleNode(final NormalizedNode<?, ?> node) throws IOException {
+ @Override
+ public void flush() throws IOException {
+ writer.flush();
+ }
+
+ @Override
+ public void close() throws IOException {
+ writer.flush();
+ writer.close();
+ }
+
+ /**
+ * Emit a best guess of a hint for a particular set of children. It evaluates the
+ * iterable to see if the size can be easily gotten to. If it is, we hint at the
+ * real number of child nodes. Otherwise we emit UNKNOWN_SIZE.
+ *
+ * @param children Child nodes
+ * @return Best estimate of the collection size required to hold all the children.
+ */
+ protected static int childSizeHint(final Iterable<?> children) {
+ return (children instanceof Collection) ? ((Collection<?>) children).size() : UNKNOWN_SIZE;
+ }
+
+ protected boolean wasProcessAsSimpleNode(final NormalizedNode<?, ?> node) throws IOException {
if (node instanceof LeafSetEntryNode) {
final LeafSetEntryNode<?> nodeAsLeafList = (LeafSetEntryNode<?>)node;
- writer.leafSetEntryNode(nodeAsLeafList.getValue());
+ final QName name = nodeAsLeafList.getIdentifier().getNodeType();
+ if (writer instanceof NormalizedNodeStreamAttributeWriter) {
+ ((NormalizedNodeStreamAttributeWriter) writer).leafSetEntryNode(name, nodeAsLeafList.getValue(),
+ nodeAsLeafList.getAttributes());
+ } else {
+ writer.leafSetEntryNode(name, nodeAsLeafList.getValue());
+ }
return true;
} else if (node instanceof LeafNode) {
final LeafNode<?> nodeAsLeaf = (LeafNode<?>)node;
- writer.leafNode(nodeAsLeaf.getIdentifier(), nodeAsLeaf.getValue());
+ if (writer instanceof NormalizedNodeStreamAttributeWriter) {
+ ((NormalizedNodeStreamAttributeWriter) writer).leafNode(nodeAsLeaf.getIdentifier(), nodeAsLeaf.getValue(), nodeAsLeaf.getAttributes());
+ } else {
+ writer.leafNode(nodeAsLeaf.getIdentifier(), nodeAsLeaf.getValue());
+ }
return true;
} else if (node instanceof AnyXmlNode) {
final AnyXmlNode anyXmlNode = (AnyXmlNode)node;
* @throws IOException when the writer reports it
*/
protected boolean writeChildren(final Iterable<? extends NormalizedNode<?, ?>> children) throws IOException {
- for (NormalizedNode<?, ?> child : children) {
+ for (final NormalizedNode<?, ?> child : children) {
write(child);
}
}
protected boolean writeMapEntryNode(final MapEntryNode node) throws IOException {
- writer.startMapEntryNode(node.getIdentifier(), UNKNOWN_SIZE);
+ if (writer instanceof NormalizedNodeStreamAttributeWriter) {
+ ((NormalizedNodeStreamAttributeWriter) writer)
+ .startMapEntryNode(node.getIdentifier(), childSizeHint(node.getValue()), node.getAttributes());
+ } else {
+ writer.startMapEntryNode(node.getIdentifier(), childSizeHint(node.getValue()));
+ }
return writeChildren(node.getValue());
}
- private boolean wasProcessedAsCompositeNode(final NormalizedNode<?, ?> node) throws IOException {
+ protected boolean wasProcessedAsCompositeNode(final NormalizedNode<?, ?> node) throws IOException {
if (node instanceof ContainerNode) {
final ContainerNode n = (ContainerNode) node;
- writer.startContainerNode(n.getIdentifier(), UNKNOWN_SIZE);
+ if (writer instanceof NormalizedNodeStreamAttributeWriter) {
+ ((NormalizedNodeStreamAttributeWriter) writer).startContainerNode(n.getIdentifier(), childSizeHint(n.getValue()), n.getAttributes());
+ } else {
+ writer.startContainerNode(n.getIdentifier(), childSizeHint(n.getValue()));
+ }
+ return writeChildren(n.getValue());
+ }
+ if (node instanceof YangModeledAnyXmlNode) {
+ final YangModeledAnyXmlNode n = (YangModeledAnyXmlNode) node;
+ if (writer instanceof NormalizedNodeStreamAttributeWriter) {
+ ((NormalizedNodeStreamAttributeWriter) writer).startYangModeledAnyXmlNode(n.getIdentifier(), childSizeHint(n.getValue()), n.getAttributes());
+ } else {
+ writer.startYangModeledAnyXmlNode(n.getIdentifier(), childSizeHint(n.getValue()));
+ }
return writeChildren(n.getValue());
}
if (node instanceof MapEntryNode) {
}
if (node instanceof UnkeyedListEntryNode) {
final UnkeyedListEntryNode n = (UnkeyedListEntryNode) node;
- writer.startUnkeyedListItem(n.getIdentifier(), UNKNOWN_SIZE);
+ writer.startUnkeyedListItem(n.getIdentifier(), childSizeHint(n.getValue()));
return writeChildren(n.getValue());
}
if (node instanceof ChoiceNode) {
final ChoiceNode n = (ChoiceNode) node;
- writer.startChoiceNode(n.getIdentifier(), UNKNOWN_SIZE);
+ writer.startChoiceNode(n.getIdentifier(), childSizeHint(n.getValue()));
return writeChildren(n.getValue());
}
if (node instanceof AugmentationNode) {
}
if (node instanceof UnkeyedListNode) {
final UnkeyedListNode n = (UnkeyedListNode) node;
- writer.startUnkeyedList(n.getIdentifier(), UNKNOWN_SIZE);
+ writer.startUnkeyedList(n.getIdentifier(), childSizeHint(n.getValue()));
return writeChildren(n.getValue());
}
if (node instanceof OrderedMapNode) {
final OrderedMapNode n = (OrderedMapNode) node;
- writer.startOrderedMapNode(n.getIdentifier(), UNKNOWN_SIZE);
+ writer.startOrderedMapNode(n.getIdentifier(), childSizeHint(n.getValue()));
return writeChildren(n.getValue());
}
if (node instanceof MapNode) {
final MapNode n = (MapNode) node;
- writer.startMapNode(n.getIdentifier(), UNKNOWN_SIZE);
+ writer.startMapNode(n.getIdentifier(), childSizeHint(n.getValue()));
+ return writeChildren(n.getValue());
+ }
+ if (node instanceof OrderedLeafSetNode) {
+ final LeafSetNode<?> n = (LeafSetNode<?>) node;
+ writer.startOrderedLeafSet(n.getIdentifier(), childSizeHint(n.getValue()));
return writeChildren(n.getValue());
}
if (node instanceof LeafSetNode) {
- //covers also OrderedLeafSetNode for which doesn't exist start* method
final LeafSetNode<?> n = (LeafSetNode<?>) node;
- writer.startLeafSet(n.getIdentifier(), UNKNOWN_SIZE);
+ writer.startLeafSet(n.getIdentifier(), childSizeHint(n.getValue()));
return writeChildren(n.getValue());
}
return false;
}
- @Override
- public void flush() throws IOException {
- writer.flush();
- }
-
- @Override
- public void close() throws IOException {
- writer.close();
- }
-
private static final class OrderedNormalizedNodeWriter extends NormalizedNodeWriter {
private static final Logger LOG = LoggerFactory.getLogger(OrderedNormalizedNodeWriter.class);
@Override
protected boolean writeMapEntryNode(final MapEntryNode node) throws IOException {
- getWriter().startMapEntryNode(node.getIdentifier(), UNKNOWN_SIZE);
+ final NormalizedNodeStreamWriter nnWriter = getWriter();
+ if (nnWriter instanceof NormalizedNodeStreamAttributeWriter) {
+ ((NormalizedNodeStreamAttributeWriter) nnWriter).startMapEntryNode(node.getIdentifier(), childSizeHint(node.getValue()), node.getAttributes());
+ } else {
+ nnWriter.startMapEntryNode(node.getIdentifier(), childSizeHint(node.getValue()));
+ }
final Set<QName> qnames = node.getIdentifier().getKeyValues().keySet();
// Write out all the key children
- for (QName qname : qnames) {
+ for (final QName qname : qnames) {
final Optional<? extends NormalizedNode<?, ?>> child = node.getChild(new NodeIdentifier(qname));
if (child.isPresent()) {
write(child.get());
Code Review / yangtools.git / blobdiff