import static com.google.common.base.Preconditions.checkNotNull;
+import com.google.common.base.Preconditions;
+import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import java.net.URI;
+import java.util.Collection;
+import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
-
import javax.activation.UnsupportedDataTypeException;
-
-import org.opendaylight.controller.sal.core.api.mount.MountInstance;
+import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
import org.opendaylight.controller.sal.restconf.impl.ControllerContext;
import org.opendaylight.controller.sal.restconf.impl.IdentityValuesDTO;
import org.opendaylight.controller.sal.restconf.impl.IdentityValuesDTO.IdentityValue;
import org.opendaylight.controller.sal.restconf.impl.RestCodec;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.Node;
import org.opendaylight.yangtools.yang.data.api.SimpleNode;
+import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
-import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
+import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Preconditions;
-import com.google.gson.stream.JsonWriter;
-
class JsonMapper {
+ private static final Logger LOG = LoggerFactory.getLogger(JsonMapper.class);
+ private final DOMMountPoint mountPoint;
- private final Set<LeafListSchemaNode> foundLeafLists = new HashSet<>();
- private final Set<ListSchemaNode> foundLists = new HashSet<>();
- private MountInstance mountPoint;
- private final Logger logger = LoggerFactory.getLogger(JsonMapper.class);
+ public JsonMapper(final DOMMountPoint mountPoint) {
+ this.mountPoint = mountPoint;
+ }
- public void write(final JsonWriter writer, final CompositeNode data, final DataNodeContainer schema, final MountInstance mountPoint)
+ public void write(final JsonWriter writer, final CompositeNode data, final DataNodeContainer schema)
throws IOException {
Preconditions.checkNotNull(writer);
Preconditions.checkNotNull(data);
Preconditions.checkNotNull(schema);
- this.mountPoint = mountPoint;
writer.beginObject();
}
writer.endObject();
-
- foundLeafLists.clear();
- foundLists.clear();
}
- private void writeChildrenOfParent(final JsonWriter writer, final CompositeNode parent, final DataNodeContainer parentSchema)
- throws IOException {
+ private void writeChildrenOfParent(final JsonWriter writer, final CompositeNode parent,
+ final DataNodeContainer parentSchema) throws IOException {
checkNotNull(parent);
- checkNotNull(parentSchema);
+
+ final Set<QName> foundLists = new HashSet<>();
+
+ Collection<DataSchemaNode> parentSchemaChildNodes = parentSchema == null ? Collections.<DataSchemaNode> emptySet()
+ : parentSchema.getChildNodes();
for (Node<?> child : parent.getValue()) {
- DataSchemaNode childSchema = findFirstSchemaForNode(child, parentSchema.getChildNodes());
+ DataSchemaNode childSchema = findFirstSchemaForNode(child, parentSchemaChildNodes);
if (childSchema == null) {
- throw new UnsupportedDataTypeException("Probably the data node \"" + child.getNodeType().getLocalName()
- + "\" is not conform to schema");
- }
+ // Node may not conform to schema or allows "anyxml" - we'll process it.
+
+ LOG.debug("No schema found for data node \"{}\"", child.getNodeType());
+
+ if (!foundLists.contains(child.getNodeType())) {
+ handleNoSchemaFound(writer, child, parent);
+
+ // Since we don't have a schema, we don't know which nodes are supposed to be
+ // lists so treat every one as a potential list to avoid outputting duplicates.
- if (childSchema instanceof ContainerSchemaNode) {
+ foundLists.add(child.getNodeType());
+ }
+ } else if (childSchema instanceof ContainerSchemaNode) {
Preconditions.checkState(child instanceof CompositeNode,
- "Data representation of Container should be CompositeNode - " + child.getNodeType());
+ "Data representation of Container should be CompositeNode - %s", child.getNodeType());
writeContainer(writer, (CompositeNode) child, (ContainerSchemaNode) childSchema);
} else if (childSchema instanceof ListSchemaNode) {
- if (!foundLists.contains(childSchema)) {
+ if (!foundLists.contains(child.getNodeType())) {
Preconditions.checkState(child instanceof CompositeNode,
- "Data representation of List should be CompositeNode - " + child.getNodeType());
- foundLists.add((ListSchemaNode) childSchema);
+ "Data representation of List should be CompositeNode - %s", child.getNodeType());
+ foundLists.add(child.getNodeType());
writeList(writer, parent, (CompositeNode) child, (ListSchemaNode) childSchema);
}
} else if (childSchema instanceof LeafListSchemaNode) {
- if (!foundLeafLists.contains(childSchema)) {
+ if (!foundLists.contains(child.getNodeType())) {
Preconditions.checkState(child instanceof SimpleNode<?>,
- "Data representation of LeafList should be SimpleNode - " + child.getNodeType());
- foundLeafLists.add((LeafListSchemaNode) childSchema);
+ "Data representation of LeafList should be SimpleNode - %s", child.getNodeType());
+ foundLists.add(child.getNodeType());
writeLeafList(writer, parent, (SimpleNode<?>) child, (LeafListSchemaNode) childSchema);
}
} else if (childSchema instanceof LeafSchemaNode) {
Preconditions.checkState(child instanceof SimpleNode<?>,
- "Data representation of LeafList should be SimpleNode - " + child.getNodeType());
+ "Data representation of LeafList should be SimpleNode - %s", child.getNodeType());
writeLeaf(writer, (SimpleNode<?>) child, (LeafSchemaNode) childSchema);
+ } else if (childSchema instanceof AnyXmlSchemaNode) {
+ if (child instanceof CompositeNode) {
+ writeContainer(writer, (CompositeNode) child, null);
+ } else {
+ handleNoSchemaFound(writer, child, parent);
+ }
} else {
throw new UnsupportedDataTypeException("Schema can be ContainerSchemaNode, ListSchemaNode, "
+ "LeafListSchemaNode, or LeafSchemaNode. Other types are not supported yet.");
}
}
+ }
- for (Node<?> child : parent.getValue()) {
- DataSchemaNode childSchema = findFirstSchemaForNode(child, parentSchema.getChildNodes());
- if (childSchema instanceof LeafListSchemaNode) {
- foundLeafLists.remove(childSchema);
- } else if (childSchema instanceof ListSchemaNode) {
- foundLists.remove(childSchema);
+ private static void writeValue(final JsonWriter writer, final Object value) throws IOException {
+ writer.value(value == null ? "" : String.valueOf(value));
+ }
+
+ private void handleNoSchemaFound(final JsonWriter writer, final Node<?> node, final CompositeNode parent)
+ throws IOException {
+ if (node instanceof SimpleNode<?>) {
+ List<SimpleNode<?>> nodeLeafList = parent.getSimpleNodesByName(node.getNodeType());
+ if (nodeLeafList.size() == 1) {
+ writeName(node, null, writer);
+ writeValue(writer, node.getValue());
+ } else { // more than 1, write as a json array
+ writeName(node, null, writer);
+ writer.beginArray();
+ for (SimpleNode<?> leafNode : nodeLeafList) {
+ writeValue(writer, leafNode.getValue());
+ }
+
+ writer.endArray();
+ }
+ } else { // CompositeNode
+ Preconditions.checkState(node instanceof CompositeNode,
+ "Data representation of Container should be CompositeNode - %s", node.getNodeType());
+
+ List<CompositeNode> nodeList = parent.getCompositesByName(node.getNodeType());
+ if (nodeList.size() == 1) {
+ writeContainer(writer, (CompositeNode) node, null);
+ } else { // more than 1, write as a json array
+ writeList(writer, parent, (CompositeNode) node, null);
}
}
}
- private DataSchemaNode findFirstSchemaForNode(final Node<?> node, final Set<DataSchemaNode> dataSchemaNode) {
+ private static DataSchemaNode findFirstSchemaForNode(final Node<?> node, final Iterable<DataSchemaNode> dataSchemaNode) {
for (DataSchemaNode dsn : dataSchemaNode) {
if (node.getNodeType().equals(dsn.getQName())) {
return dsn;
- } else if (dsn instanceof ChoiceNode) {
- for (ChoiceCaseNode choiceCase : ((ChoiceNode) dsn).getCases()) {
+ }
+ if (dsn instanceof ChoiceSchemaNode) {
+ for (ChoiceCaseNode choiceCase : ((ChoiceSchemaNode) dsn).getCases()) {
DataSchemaNode foundDsn = findFirstSchemaForNode(node, choiceCase.getChildNodes());
if (foundDsn != null) {
return foundDsn;
return null;
}
- private void writeContainer(final JsonWriter writer, final CompositeNode node, final ContainerSchemaNode schema) throws IOException {
+ private void writeContainer(final JsonWriter writer, final CompositeNode node, final ContainerSchemaNode schema)
+ throws IOException {
writeName(node, schema, writer);
writer.beginObject();
writeChildrenOfParent(writer, node, schema);
writer.endObject();
}
- private void writeList(final JsonWriter writer, final CompositeNode nodeParent, final CompositeNode node, final ListSchemaNode schema)
- throws IOException {
+ private void writeList(final JsonWriter writer, final CompositeNode nodeParent, final CompositeNode node,
+ final ListSchemaNode schema) throws IOException {
writeName(node, schema, writer);
writer.beginArray();
writer.endArray();
}
- private void writeLeaf(final JsonWriter writer, final SimpleNode<?> node, final LeafSchemaNode schema) throws IOException {
+ private void writeLeaf(final JsonWriter writer, final SimpleNode<?> node, final LeafSchemaNode schema)
+ throws IOException {
writeName(node, schema, writer);
writeValueOfNodeByType(writer, node, schema.getType(), schema);
}
- private void writeValueOfNodeByType(final JsonWriter writer, final SimpleNode<?> node, final TypeDefinition<?> type,
- final DataSchemaNode schema) throws IOException {
+ private void writeValueOfNodeByType(final JsonWriter writer, final SimpleNode<?> node,
+ final TypeDefinition<?> type, final DataSchemaNode schema) throws IOException {
TypeDefinition<?> baseType = RestUtil.resolveBaseTypeFrom(type);
if (node.getValue() == null && !(baseType instanceof EmptyTypeDefinition)) {
- logger.debug("While generationg JSON output null value was found for type "
- + baseType.getClass().getSimpleName() + ".");
+ LOG.debug("While generationg JSON output null value was found for type {}.", baseType.getClass()
+ .getSimpleName());
}
if (baseType instanceof IdentityrefTypeDefinition) {
writeStringRepresentation(writer, node, baseType, QName.class);
}
} else if (baseType instanceof InstanceIdentifierTypeDefinition) {
- if (node.getValue() instanceof InstanceIdentifier) {
+ if (node.getValue() instanceof YangInstanceIdentifier) {
IdentityValuesDTO valueDTO = (IdentityValuesDTO) RestCodec.from(baseType, mountPoint).serialize(
node.getValue());
writeIdentityValuesDTOToJson(writer, valueDTO);
} else {
- writeStringRepresentation(writer, node, baseType, InstanceIdentifier.class);
+ writeStringRepresentation(writer, node, baseType, YangInstanceIdentifier.class);
}
} else if (baseType instanceof DecimalTypeDefinition || baseType instanceof IntegerTypeDefinition
|| baseType instanceof UnsignedIntegerTypeDefinition) {
}
}
- private void writeIdentityValuesDTOToJson(final JsonWriter writer, final IdentityValuesDTO valueDTO) throws IOException {
+ private static void writeIdentityValuesDTOToJson(final JsonWriter writer, final IdentityValuesDTO valueDTO)
+ throws IOException {
StringBuilder result = new StringBuilder();
for (IdentityValue identityValue : valueDTO.getValuesWithNamespaces()) {
- result.append("/");
+ result.append('/');
writeModuleNameAndIdentifier(result, identityValue);
if (identityValue.getPredicates() != null && !identityValue.getPredicates().isEmpty()) {
for (Predicate predicate : identityValue.getPredicates()) {
IdentityValue identityValuePredicate = predicate.getName();
- result.append("[");
+ result.append('[');
if (identityValuePredicate == null) {
- result.append(".");
+ result.append('.');
} else {
writeModuleNameAndIdentifier(result, identityValuePredicate);
}
result.append("='");
result.append(predicate.getValue());
- result.append("'");
- result.append("]");
+ result.append("']");
}
}
}
writer.value(result.toString());
}
- private void writeModuleNameAndIdentifier(final StringBuilder result, final IdentityValue identityValue) {
+ private static void writeModuleNameAndIdentifier(final StringBuilder result, final IdentityValue identityValue) {
String moduleName = ControllerContext.getInstance().findModuleNameByNamespace(
URI.create(identityValue.getNamespace()));
if (moduleName != null && !moduleName.isEmpty()) {
result.append(moduleName);
- result.append(":");
+ result.append(':');
}
result.append(identityValue.getValue());
}
- private void writeStringRepresentation(final JsonWriter writer, final SimpleNode<?> node, final TypeDefinition<?> baseType,
- final Class<?> requiredType) throws IOException {
+ private static void writeStringRepresentation(final JsonWriter writer, final SimpleNode<?> node,
+ final TypeDefinition<?> baseType, final Class<?> requiredType) throws IOException {
Object value = node.getValue();
- logger.debug("Value of " + baseType.getQName().getNamespace() + ":" + baseType.getQName().getLocalName()
- + " is not instance of " + requiredType.getClass() + " but is " + node.getValue().getClass());
+ LOG.debug("Value of {}:{} is not instance of {} but is {}", baseType.getQName().getNamespace(), baseType
+ .getQName().getLocalName(), requiredType.getClass(), node.getValue().getClass());
if (value == null) {
writer.value("");
} else {
private void writeName(final Node<?> node, final DataSchemaNode schema, final JsonWriter writer) throws IOException {
String nameForOutput = node.getNodeType().getLocalName();
- if (schema.isAugmenting()) {
+ if (schema != null && schema.isAugmenting()) {
ControllerContext contContext = ControllerContext.getInstance();
CharSequence moduleName = null;
if (mountPoint == null) {
if (moduleName != null) {
nameForOutput = moduleName.toString();
} else {
- logger.info("Module '{}' was not found in schema from mount point", schema.getQName());
+ LOG.info("Module '{}' was not found in schema from mount point", schema.getQName());
}
}
writer.name(nameForOutput);