*/
package org.opendaylight.controller.cluster.datastore.node.utils.stream;
-import com.google.common.base.Preconditions;
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.io.DataOutput;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
import java.util.Collection;
-import java.util.Map;
+import java.util.Map.Entry;
import java.util.Set;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
private NormalizedNodeWriter normalizedNodeWriter;
private boolean headerWritten;
private QName lastLeafSetQName;
+ private boolean inSimple;
AbstractNormalizedNodeDataOutput(final DataOutput output) {
- this.output = Preconditions.checkNotNull(output);
+ this.output = requireNonNull(output);
}
private void ensureHeaderWritten() throws IOException {
}
protected abstract short streamVersion();
- protected abstract void writeQName(QName qname) throws IOException;
+
protected abstract void writeString(String string) throws IOException;
@Override
- public final void write(final int b) throws IOException {
+ public final void write(final int value) throws IOException {
ensureHeaderWritten();
- output.write(b);
+ output.write(value);
}
@Override
- public final void write(final byte[] b) throws IOException {
+ public final void write(final byte[] bytes) throws IOException {
ensureHeaderWritten();
- output.write(b);
+ output.write(bytes);
}
@Override
- public final void write(final byte[] b, final int off, final int len) throws IOException {
+ public final void write(final byte[] bytes, final int off, final int len) throws IOException {
ensureHeaderWritten();
- output.write(b, off, len);
+ output.write(bytes, off, len);
}
@Override
- public final void writeBoolean(final boolean v) throws IOException {
+ public final void writeBoolean(final boolean value) throws IOException {
ensureHeaderWritten();
- output.writeBoolean(v);
+ output.writeBoolean(value);
}
@Override
- public final void writeByte(final int v) throws IOException {
+ public final void writeByte(final int value) throws IOException {
ensureHeaderWritten();
- output.writeByte(v);
+ output.writeByte(value);
}
@Override
- public final void writeShort(final int v) throws IOException {
+ public final void writeShort(final int value) throws IOException {
ensureHeaderWritten();
- output.writeShort(v);
+ output.writeShort(value);
}
@Override
- public final void writeChar(final int v) throws IOException {
+ public final void writeChar(final int value) throws IOException {
ensureHeaderWritten();
- output.writeChar(v);
+ output.writeChar(value);
}
@Override
- public final void writeInt(final int v) throws IOException {
+ public final void writeInt(final int value) throws IOException {
ensureHeaderWritten();
- output.writeInt(v);
+ output.writeInt(value);
}
@Override
- public final void writeLong(final long v) throws IOException {
+ public final void writeLong(final long value) throws IOException {
ensureHeaderWritten();
- output.writeLong(v);
+ output.writeLong(value);
}
@Override
- public final void writeFloat(final float v) throws IOException {
+ public final void writeFloat(final float value) throws IOException {
ensureHeaderWritten();
- output.writeFloat(v);
+ output.writeFloat(value);
}
@Override
- public final void writeDouble(final double v) throws IOException {
+ public final void writeDouble(final double value) throws IOException {
ensureHeaderWritten();
- output.writeDouble(v);
+ output.writeDouble(value);
}
@Override
- public final void writeBytes(final String s) throws IOException {
+ public final void writeBytes(final String str) throws IOException {
ensureHeaderWritten();
- output.writeBytes(s);
+ output.writeBytes(str);
}
@Override
- public final void writeChars(final String s) throws IOException {
+ public final void writeChars(final String str) throws IOException {
ensureHeaderWritten();
- output.writeChars(s);
+ output.writeChars(str);
}
@Override
- public final void writeUTF(final String s) throws IOException {
+ public final void writeUTF(final String str) throws IOException {
ensureHeaderWritten();
- output.writeUTF(s);
+ output.writeUTF(str);
}
private NormalizedNodeWriter normalizedNodeWriter() {
- if(normalizedNodeWriter == null) {
+ if (normalizedNodeWriter == null) {
normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(this);
}
}
@Override
- public void leafNode(final NodeIdentifier name, final Object value) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Writing a new leaf node");
- startNode(name.getNodeType(), NodeTypes.LEAF_NODE);
-
- writeObject(value);
+ public void startLeafNode(final NodeIdentifier name) throws IOException {
+ LOG.trace("Starting a new leaf node");
+ startNode(name, NodeTypes.LEAF_NODE);
+ inSimple = true;
}
@Override
- public void startLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Starting a new leaf set");
-
- lastLeafSetQName = name.getNodeType();
- startNode(name.getNodeType(), NodeTypes.LEAF_SET);
+ public void startLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new leaf set");
+ commonStartLeafSet(name, NodeTypes.LEAF_SET);
}
@Override
- public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Starting a new ordered leaf set");
+ public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new ordered leaf set");
+ commonStartLeafSet(name, NodeTypes.ORDERED_LEAF_SET);
+ }
+ private void commonStartLeafSet(final NodeIdentifier name, final byte nodeType) throws IOException {
+ startNode(name, nodeType);
lastLeafSetQName = name.getNodeType();
- startNode(name.getNodeType(), NodeTypes.ORDERED_LEAF_SET);
}
@Override
- public void leafSetEntryNode(final QName name, final Object value) throws IOException, IllegalArgumentException {
- LOG.debug("Writing a new leaf set entry node");
+ public void startLeafSetEntryNode(final NodeWithValue<?> name) throws IOException {
+ LOG.trace("Starting a new leaf set entry node");
output.writeByte(NodeTypes.LEAF_SET_ENTRY_NODE);
// lastLeafSetQName is set if the parent LeafSetNode was previously written. Otherwise this is a
// stand alone LeafSetEntryNode so write out it's name here.
- if(lastLeafSetQName == null) {
- writeQName(name);
+ if (lastLeafSetQName == null) {
+ writeQName(name.getNodeType());
}
-
- writeObject(value);
+ inSimple = true;
}
@Override
- public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
-
- LOG.debug("Starting a new container node");
-
- startNode(name.getNodeType(), NodeTypes.CONTAINER_NODE);
+ public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new container node");
+ startNode(name, NodeTypes.CONTAINER_NODE);
}
@Override
- public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
-
- LOG.debug("Starting a new yang modeled anyXml node");
-
- startNode(name.getNodeType(), NodeTypes.YANG_MODELED_ANY_XML_NODE);
+ public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new yang modeled anyXml node");
+ startNode(name, NodeTypes.YANG_MODELED_ANY_XML_NODE);
}
@Override
- public void startUnkeyedList(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Starting a new unkeyed list");
-
- startNode(name.getNodeType(), NodeTypes.UNKEYED_LIST);
+ public void startUnkeyedList(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new unkeyed list");
+ startNode(name, NodeTypes.UNKEYED_LIST);
}
@Override
- public void startUnkeyedListItem(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalStateException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Starting a new unkeyed list item");
-
- startNode(name.getNodeType(), NodeTypes.UNKEYED_LIST_ITEM);
+ public void startUnkeyedListItem(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new unkeyed list item");
+ startNode(name, NodeTypes.UNKEYED_LIST_ITEM);
}
@Override
- public void startMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Starting a new map node");
-
- startNode(name.getNodeType(), NodeTypes.MAP_NODE);
+ public void startMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new map node");
+ startNode(name, NodeTypes.MAP_NODE);
}
@Override
- public void startMapEntryNode(final NodeIdentifierWithPredicates identifier, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(identifier, "Node identifier should not be null");
- LOG.debug("Starting a new map entry node");
- startNode(identifier.getNodeType(), NodeTypes.MAP_ENTRY_NODE);
-
- writeKeyValueMap(identifier.getKeyValues());
-
+ public void startMapEntryNode(final NodeIdentifierWithPredicates identifier, final int childSizeHint)
+ throws IOException {
+ LOG.trace("Starting a new map entry node");
+ startNode(identifier, NodeTypes.MAP_ENTRY_NODE);
+ writeKeyValueMap(identifier.entrySet());
}
@Override
- public void startOrderedMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Starting a new ordered map node");
-
- startNode(name.getNodeType(), NodeTypes.ORDERED_MAP_NODE);
+ public void startOrderedMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new ordered map node");
+ startNode(name, NodeTypes.ORDERED_MAP_NODE);
}
@Override
- public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Starting a new choice node");
-
- startNode(name.getNodeType(), NodeTypes.CHOICE_NODE);
+ public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new choice node");
+ startNode(name, NodeTypes.CHOICE_NODE);
}
@Override
- public void startAugmentationNode(final AugmentationIdentifier identifier) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(identifier, "Node identifier should not be null");
- LOG.debug("Starting a new augmentation node");
+ public void startAugmentationNode(final AugmentationIdentifier identifier) throws IOException {
+ requireNonNull(identifier, "Node identifier should not be null");
+ LOG.trace("Starting a new augmentation node");
output.writeByte(NodeTypes.AUGMENTATION_NODE);
- writeQNameSet(identifier.getPossibleChildNames());
+ writeAugmentationIdentifier(identifier);
}
@Override
- public void anyxmlNode(final NodeIdentifier name, final Object value) throws IOException, IllegalArgumentException {
- Preconditions.checkNotNull(name, "Node identifier should not be null");
- LOG.debug("Writing any xml node");
+ public void startAnyxmlNode(final NodeIdentifier name) throws IOException {
+ LOG.trace("Starting any xml node");
+ startNode(name, NodeTypes.ANY_XML_NODE);
+ inSimple = true;
+ }
- startNode(name.getNodeType(), NodeTypes.ANY_XML_NODE);
+ @Override
+ public void scalarValue(final Object value) throws IOException {
+ writeObject(value);
+ }
+ @Override
+ public void domSourceValue(final DOMSource value) throws IOException {
try {
StreamResult xmlOutput = new StreamResult(new StringWriter());
- TransformerFactory.newInstance().newTransformer().transform((DOMSource)value, xmlOutput);
+ TransformerFactory.newInstance().newTransformer().transform(value, xmlOutput);
writeObject(xmlOutput.getWriter().toString());
} catch (TransformerException | TransformerFactoryConfigurationError e) {
throw new IOException("Error writing anyXml", e);
}
@Override
- public void endNode() throws IOException, IllegalStateException {
- LOG.debug("Ending the node");
-
- output.writeByte(NodeTypes.END_NODE);
+ public void endNode() throws IOException {
+ LOG.trace("Ending the node");
+ if (!inSimple) {
+ lastLeafSetQName = null;
+ output.writeByte(NodeTypes.END_NODE);
+ }
+ inSimple = false;
}
@Override
}
}
- private void startNode(final QName qName, final byte nodeType) throws IOException {
-
- Preconditions.checkNotNull(qName, "QName of node identifier should not be null.");
+ private void startNode(final PathArgument arg, final byte nodeType) throws IOException {
+ requireNonNull(arg, "Node identifier should not be null");
+ checkState(!inSimple, "Attempted to start a child in a simple node");
ensureHeaderWritten();
// First write the type of node
output.writeByte(nodeType);
// Write Start Tag
- writeQName(qName);
+ writeQName(arg.getNodeType());
}
private void writeObjSet(final Set<?> set) throws IOException {
output.writeInt(set.size());
for (Object o : set) {
- Preconditions.checkArgument(o instanceof String, "Expected value type to be String but was %s (%s)",
- o.getClass(), o);
-
+ checkArgument(o instanceof String, "Expected value type to be String but was %s (%s)", o.getClass(), o);
writeString((String) o);
}
}
+ @Override
+ public void writeSchemaPath(final SchemaPath path) throws IOException {
+ ensureHeaderWritten();
+ output.writeBoolean(path.isAbsolute());
+
+ final Collection<QName> qnames = path.getPath();
+ output.writeInt(qnames.size());
+ for (QName qname : qnames) {
+ writeQName(qname);
+ }
+ }
+
@Override
public void writeYangInstanceIdentifier(final YangInstanceIdentifier identifier) throws IOException {
ensureHeaderWritten();
Collection<PathArgument> pathArguments = identifier.getPathArguments();
output.writeInt(pathArguments.size());
- for(PathArgument pathArgument : pathArguments) {
+ for (PathArgument pathArgument : pathArguments) {
writePathArgument(pathArgument);
}
}
+ @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST",
+ justification = "The casts in the switch clauses are indirectly confirmed via the determination of 'type'.")
@Override
public void writePathArgument(final PathArgument pathArgument) throws IOException {
output.writeByte(type);
- switch(type) {
+ switch (type) {
case PathArgumentTypes.NODE_IDENTIFIER:
NodeIdentifier nodeIdentifier = (NodeIdentifier) pathArgument;
(NodeIdentifierWithPredicates) pathArgument;
writeQName(nodeIdentifierWithPredicates.getNodeType());
- writeKeyValueMap(nodeIdentifierWithPredicates.getKeyValues());
+ writeKeyValueMap(nodeIdentifierWithPredicates.entrySet());
break;
case PathArgumentTypes.NODE_IDENTIFIER_WITH_VALUE :
case PathArgumentTypes.AUGMENTATION_IDENTIFIER :
- AugmentationIdentifier augmentationIdentifier = (AugmentationIdentifier) pathArgument;
-
// No Qname in augmentation identifier
- writeQNameSet(augmentationIdentifier.getPossibleChildNames());
+ writeAugmentationIdentifier((AugmentationIdentifier) pathArgument);
break;
default :
- throw new IllegalStateException("Unknown node identifier type is found : " + pathArgument.getClass().toString() );
+ throw new IllegalStateException("Unknown node identifier type is found : "
+ + pathArgument.getClass().toString());
}
}
- private void writeKeyValueMap(final Map<QName, Object> keyValueMap) throws IOException {
- if (keyValueMap != null && !keyValueMap.isEmpty()) {
- output.writeInt(keyValueMap.size());
-
- for (QName qName : keyValueMap.keySet()) {
- writeQName(qName);
- writeObject(keyValueMap.get(qName));
+ private void writeKeyValueMap(final Set<Entry<QName, Object>> entrySet) throws IOException {
+ if (!entrySet.isEmpty()) {
+ output.writeInt(entrySet.size());
+ for (Entry<QName, Object> entry : entrySet) {
+ writeQName(entry.getKey());
+ writeObject(entry.getValue());
}
} else {
output.writeInt(0);
}
}
- private void writeQNameSet(final Set<QName> children) throws IOException {
+ void writeAugmentationIdentifier(final AugmentationIdentifier aid) throws IOException {
+ final Set<QName> qnames = aid.getPossibleChildNames();
// Write each child's qname separately, if list is empty send count as 0
- if (children != null && !children.isEmpty()) {
- output.writeInt(children.size());
- for (QName qName : children) {
- writeQName(qName);
+ if (!qnames.isEmpty()) {
+ output.writeInt(qnames.size());
+ for (QName qname : qnames) {
+ writeQName(qname);
}
} else {
LOG.debug("augmentation node does not have any child");
case ValueTypes.YANG_IDENTIFIER_TYPE:
writeYangInstanceIdentifierInternal((YangInstanceIdentifier) value);
break;
- case ValueTypes.NULL_TYPE :
+ case ValueTypes.EMPTY_TYPE:
break;
case ValueTypes.STRING_BYTES_TYPE:
final byte[] valueBytes = value.toString().getBytes(StandardCharsets.UTF_8);
Code Review / controller.git / blobdiff