import static com.google.common.base.Preconditions.checkNotNull;
import java.io.IOException;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.Node;
-import org.opendaylight.yangtools.yang.data.api.SimpleNode;
-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.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.BooleanTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.DecimalTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.EmptyTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.InstanceIdentifierTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.IntegerTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.UnsignedIntegerTypeDefinition;
+import java.util.*;
+import javax.activation.UnsupportedDataTypeException;
+
+import org.opendaylight.controller.sal.restconf.impl.ControllerContext;
+import org.opendaylight.yangtools.yang.data.api.*;
+import org.opendaylight.yangtools.yang.model.api.*;
+import org.opendaylight.yangtools.yang.model.api.type.*;
+
+import com.google.common.base.Preconditions;
import com.google.gson.stream.JsonWriter;
class JsonMapper {
-
+
private final Set<LeafListSchemaNode> foundLeafLists = new HashSet<>();
private final Set<ListSchemaNode> foundLists = new HashSet<>();
-
+
public void write(JsonWriter writer, CompositeNode data, DataNodeContainer schema) throws IOException {
+ Preconditions.checkNotNull(writer);
+ Preconditions.checkNotNull(data);
+ Preconditions.checkNotNull(schema);
+
writer.beginObject();
- writeChildrenOfParent(writer, data, schema);
+
+ if (schema instanceof ContainerSchemaNode) {
+ writeContainer(writer, data, (ContainerSchemaNode) schema);
+ } else if (schema instanceof ListSchemaNode) {
+ writeList(writer, null, data, (ListSchemaNode) schema);
+ } else {
+ throw new UnsupportedDataTypeException(
+ "Schema can be ContainerSchemaNode or ListSchemaNode. Other types are not supported yet.");
+ }
+
writer.endObject();
+
foundLeafLists.clear();
foundLists.clear();
}
- private void writeChildrenOfParent(JsonWriter writer, CompositeNode parent, DataNodeContainer parentSchema) throws IOException {
+ private void writeChildrenOfParent(JsonWriter writer, CompositeNode parent, DataNodeContainer parentSchema)
+ throws IOException {
checkNotNull(parent);
checkNotNull(parentSchema);
-
+
for (Node<?> child : parent.getChildren()) {
- DataSchemaNode childSchema = findSchemaForNode(child, parentSchema.getChildNodes());
+ DataSchemaNode childSchema = findFirstSchemaForNode(child, parentSchema.getChildNodes());
+ if (childSchema == null) {
+ throw new UnsupportedDataTypeException("Probably the data node \"" + child.getNodeType().getLocalName()
+ + "\" is not conform to schema");
+ }
+
if (childSchema instanceof ContainerSchemaNode) {
+ Preconditions.checkState(child instanceof CompositeNode,
+ "Data representation of Container should be CompositeNode - " + child.getNodeType());
writeContainer(writer, (CompositeNode) child, (ContainerSchemaNode) childSchema);
} else if (childSchema instanceof ListSchemaNode) {
if (!foundLists.contains(childSchema)) {
+ Preconditions.checkState(child instanceof CompositeNode,
+ "Data representation of List should be CompositeNode - " + child.getNodeType());
foundLists.add((ListSchemaNode) childSchema);
- writeList(writer, (CompositeNode) child, (ListSchemaNode) childSchema);
+ writeList(writer, parent, (CompositeNode) child, (ListSchemaNode) childSchema);
}
} else if (childSchema instanceof LeafListSchemaNode) {
if (!foundLeafLists.contains(childSchema)) {
+ Preconditions.checkState(child instanceof SimpleNode<?>,
+ "Data representation of LeafList should be SimpleNode - " + child.getNodeType());
foundLeafLists.add((LeafListSchemaNode) childSchema);
- writeLeafList(writer, (SimpleNode<?>) child, (LeafListSchemaNode) childSchema);
+ 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());
writeLeaf(writer, (SimpleNode<?>) child, (LeafSchemaNode) childSchema);
+ } else {
+ throw new UnsupportedDataTypeException("Schema can be ContainerSchemaNode, ListSchemaNode, "
+ + "LeafListSchemaNode, or LeafSchemaNode. Other types are not supported yet.");
}
}
-
+
for (Node<?> child : parent.getChildren()) {
- DataSchemaNode childSchema = findSchemaForNode(child, parentSchema.getChildNodes());
+ DataSchemaNode childSchema = findFirstSchemaForNode(child, parentSchema.getChildNodes());
if (childSchema instanceof LeafListSchemaNode) {
foundLeafLists.remove((LeafListSchemaNode) childSchema);
} else if (childSchema instanceof ListSchemaNode) {
}
}
}
-
- private DataSchemaNode findSchemaForNode(Node<?> node, Set<DataSchemaNode> dataSchemaNode) {
+
+ private DataSchemaNode findFirstSchemaForNode(Node<?> node, Set<DataSchemaNode> dataSchemaNode) {
for (DataSchemaNode dsn : dataSchemaNode) {
if (node.getNodeType().getLocalName().equals(dsn.getQName().getLocalName())) {
return dsn;
}
return null;
}
-
+
private void writeContainer(JsonWriter writer, CompositeNode node, ContainerSchemaNode schema) throws IOException {
- writer.name(node.getNodeType().getLocalName());
+ writeName(node, schema, writer);
writer.beginObject();
writeChildrenOfParent(writer, node, schema);
writer.endObject();
}
-
- private void writeList(JsonWriter writer, CompositeNode node, ListSchemaNode schema) throws IOException {
- writer.name(node.getNodeType().getLocalName());
- writer.beginArray();
-
- if (node.getParent() != null) {
- CompositeNode parent = node.getParent();
- List<CompositeNode> nodeLists = parent.getCompositesByName(node.getNodeType());
- for (CompositeNode nodeList : nodeLists) {
- writer.beginObject();
- writeChildrenOfParent(writer, nodeList, schema);
- writer.endObject();
- }
- } else {
+
+ private void writeList(JsonWriter writer, CompositeNode nodeParent, CompositeNode node, ListSchemaNode schema)
+ throws IOException {
+ writeName(node, schema, writer);
+ writer.beginArray();
+
+ if (nodeParent != null) {
+ List<CompositeNode> nodeLists = nodeParent.getCompositesByName(node.getNodeType());
+ for (CompositeNode nodeList : nodeLists) {
writer.beginObject();
- writeChildrenOfParent(writer, node, schema);
+ writeChildrenOfParent(writer, nodeList, schema);
writer.endObject();
}
-
- writer.endArray();
- }
-
- private void writeLeafList(JsonWriter writer, SimpleNode<?> node, LeafListSchemaNode schema) throws IOException {
- writer.name(node.getNodeType().getLocalName());
- writer.beginArray();
-
- CompositeNode parent = node.getParent();
- List<SimpleNode<?>> nodeLeafLists = parent.getSimpleNodesByName(node.getNodeType());
- for (SimpleNode<?> nodeLeafList : nodeLeafLists) {
- writeValueOfNodeByType(writer, nodeLeafList, schema.getType());
- }
-
- writer.endArray();
+ } else {
+ writer.beginObject();
+ writeChildrenOfParent(writer, node, schema);
+ writer.endObject();
+ }
+
+ writer.endArray();
+ }
+
+ private void writeLeafList(JsonWriter writer, CompositeNode nodeParent, SimpleNode<?> node,
+ LeafListSchemaNode schema) throws IOException {
+ writeName(node, schema, writer);
+ writer.beginArray();
+
+ List<SimpleNode<?>> nodeLeafLists = nodeParent.getSimpleNodesByName(node.getNodeType());
+ for (SimpleNode<?> nodeLeafList : nodeLeafLists) {
+ writeValueOfNodeByType(writer, nodeLeafList, schema.getType());
+ }
+
+ writer.endArray();
}
-
+
private void writeLeaf(JsonWriter writer, SimpleNode<?> node, LeafSchemaNode schema) throws IOException {
- writer.name(node.getNodeType().getLocalName());
+ writeName(node, schema, writer);
writeValueOfNodeByType(writer, node, schema.getType());
}
-
- private void writeValueOfNodeByType(JsonWriter writer, SimpleNode<?> node, TypeDefinition<?> type) throws IOException {
- if (!(node.getValue() instanceof String)) {
- throw new IllegalStateException("Value in SimpleNode should be type String");
- }
-
- String value = (String) node.getValue();
- // TODO check Leafref, InstanceIdentifierTypeDefinition, IdentityrefTypeDefinition, UnionTypeDefinition
- if (type.getBaseType() != null) {
- writeValueOfNodeByType(writer, node, type.getBaseType());
- } else if (type instanceof InstanceIdentifierTypeDefinition) {
- writer.value(((InstanceIdentifierTypeDefinition) type).getPathStatement().toString());
- } else if (type instanceof DecimalTypeDefinition
- || type instanceof IntegerTypeDefinition
- || type instanceof UnsignedIntegerTypeDefinition) {
+
+ private void writeValueOfNodeByType(JsonWriter writer, SimpleNode<?> node, TypeDefinition<?> type)
+ throws IOException {
+
+ String value = String.valueOf(node.getValue());
+ // TODO check Leafref, InstanceIdentifierTypeDefinition,
+ // IdentityrefTypeDefinition, UnionTypeDefinition
+ TypeDefinition<?> baseType = resolveBaseTypeFrom(type);
+ if (baseType instanceof InstanceIdentifierTypeDefinition) {
+ writer.value(((InstanceIdentifierTypeDefinition) baseType).getPathStatement().toString());
+ } else if (baseType instanceof UnionTypeDefinition) {
+ processTypeIsUnionType(writer, (UnionTypeDefinition) baseType, value);
+ } else if (baseType instanceof DecimalTypeDefinition || baseType instanceof IntegerTypeDefinition
+ || baseType instanceof UnsignedIntegerTypeDefinition) {
writer.value(new NumberForJsonWriter(value));
- } else if (type instanceof BooleanTypeDefinition) {
+ } else if (baseType instanceof BooleanTypeDefinition) {
+ writer.value(Boolean.parseBoolean(value));
+ } else if (baseType instanceof EmptyTypeDefinition) {
+ writeEmptyDataTypeToJson(writer);
+ } else {
+ writer.value(value.equals("null") ? "" : value);
+ }
+ }
+
+ private void processTypeIsUnionType(JsonWriter writer, UnionTypeDefinition unionType, String value)
+ throws IOException {
+ if (value == null) {
+ writeEmptyDataTypeToJson(writer);
+ } else if ((isNumber(value))
+ && containsType(unionType, UnsignedIntegerTypeDefinition.class, IntegerTypeDefinition.class,
+ DecimalTypeDefinition.class)) {
+ writer.value(new NumberForJsonWriter(value));
+ } else if (isBoolean(value) && containsType(unionType, BooleanTypeDefinition.class)) {
writer.value(Boolean.parseBoolean(value));
- } else if (type instanceof EmptyTypeDefinition) {
- writer.value("[null]");
} else {
writer.value(value);
}
}
-
+
+ private boolean isBoolean(String value) {
+ if (value.equals("true") || value.equals("false")) {
+ return true;
+ }
+ return false;
+ }
+
+ private void writeEmptyDataTypeToJson(JsonWriter writer) throws IOException {
+ writer.beginArray();
+ writer.nullValue();
+ writer.endArray();
+ }
+
+ private boolean isNumber(String value) {
+ try {
+ Double.valueOf(value);
+ } catch (NumberFormatException e) {
+ return false;
+ }
+ return true;
+ }
+
+ private boolean containsType(UnionTypeDefinition unionType, Class<?>... searchedTypes) {
+ List<TypeDefinition<?>> allUnionSubtypes = resolveAllUnionSubtypesFrom(unionType);
+
+ for (TypeDefinition<?> unionSubtype : allUnionSubtypes) {
+ for (Class<?> searchedType : searchedTypes) {
+ if (searchedType.isInstance(unionSubtype)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ private List<TypeDefinition<?>> resolveAllUnionSubtypesFrom(UnionTypeDefinition inputType) {
+ List<TypeDefinition<?>> result = new ArrayList<>();
+ for (TypeDefinition<?> subtype : inputType.getTypes()) {
+ TypeDefinition<?> resolvedSubtype = subtype;
+
+ resolvedSubtype = resolveBaseTypeFrom(subtype);
+
+ if (resolvedSubtype instanceof UnionTypeDefinition) {
+ List<TypeDefinition<?>> subtypesFromRecursion = resolveAllUnionSubtypesFrom((UnionTypeDefinition) resolvedSubtype);
+ result.addAll(subtypesFromRecursion);
+ } else {
+ result.add(resolvedSubtype);
+ }
+ }
+
+ return result;
+ }
+
+ private TypeDefinition<?> resolveBaseTypeFrom(TypeDefinition<?> type) {
+ return type.getBaseType() != null ? resolveBaseTypeFrom(type.getBaseType()) : type;
+ }
+
+ private void writeName(Node<?> node, DataSchemaNode schema, JsonWriter writer) throws IOException {
+ String nameForOutput = node.getNodeType().getLocalName();
+ if (schema.isAugmenting()) {
+ ControllerContext contContext = ControllerContext.getInstance();
+ CharSequence moduleName;
+ moduleName = contContext.toRestconfIdentifier(schema.getQName());
+ if (moduleName != null) {
+ nameForOutput = moduleName.toString();
+ }
+ }
+ writer.name(nameForOutput);
+ }
+
private static final class NumberForJsonWriter extends Number {
-
+
private static final long serialVersionUID = -3147729419814417666L;
private final String value;
-
+
public NumberForJsonWriter(String value) {
this.value = value;
}
public String toString() {
return value;
}
-
+
}
}