*/
package org.opendaylight.yangtools.yang.data.codec.gson;
+import static org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream.ANYXML_ARRAY_ELEMENT_ID;
+import static org.w3c.dom.Node.ELEMENT_NODE;
+import static org.w3c.dom.Node.TEXT_NODE;
+
import com.google.common.base.Preconditions;
+import com.google.common.base.Throwables;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import java.net.URI;
+import java.util.regex.Pattern;
+import javax.annotation.RegEx;
+import javax.xml.transform.dom.DOMSource;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
/**
* This implementation will create JSON output as output stream.
*/
private static final boolean DEFAULT_EMIT_EMPTY_CONTAINERS = true;
+ @RegEx
+ private static final String NUMBER_STRING = "-?\\d+(\\.\\d+)?";
+ private static final Pattern NUMBER_PATTERN = Pattern.compile(NUMBER_STRING);
+
+ @RegEx
+ private static final String NOT_DECIMAL_NUMBER_STRING = "-?\\d+";
+ private static final Pattern NOT_DECIMAL_NUMBER_PATTERN = Pattern.compile(NOT_DECIMAL_NUMBER_STRING);
+
private final SchemaTracker tracker;
private final JSONCodecFactory codecs;
private final JsonWriter writer;
@Override
public void leafNode(final NodeIdentifier name, final Object value) throws IOException {
final LeafSchemaNode schema = tracker.leafNode(name);
- final JSONCodec<Object> codec = codecs.codecFor(schema);
+ final JSONCodec<?> codec = codecs.codecFor(schema);
context.emittingChild(codecs.getSchemaContext(), writer);
context.writeChildJsonIdentifier(codecs.getSchemaContext(), writer, name.getNodeType());
writeValue(value, codec);
@Override
public void leafSetEntryNode(final QName name, final Object value) throws IOException {
- final LeafListSchemaNode schema = tracker.leafSetEntryNode();
- final JSONCodec<Object> codec = codecs.codecFor(schema);
+ final LeafListSchemaNode schema = tracker.leafSetEntryNode(name);
+ final JSONCodec<?> codec = codecs.codecFor(schema);
context.emittingChild(codecs.getSchemaContext(), writer);
writeValue(value, codec);
}
context.emittingChild(codecs.getSchemaContext(), writer);
context.writeChildJsonIdentifier(codecs.getSchemaContext(), writer, name.getNodeType());
- // FIXME this kind of serialization is incorrect since the value for AnyXml is now a DOMSource
- writer.value(String.valueOf(value));
+
+ writeAnyXmlValue((DOMSource) value);
}
@Override
}
}
- private void writeValue(final Object value, final JSONCodec<Object> codec)
+ @SuppressWarnings("unchecked")
+ private void writeValue(final Object value, final JSONCodec<?> codec)
throws IOException {
- codec.serializeToWriter(writer,value);
+ try {
+ ((JSONCodec<Object>) codec).writeValue(writer, value);
+ } catch (IOException e) {
+ throw e;
+ } catch (Exception e) {
+ Throwables.propagateIfPossible(e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ private void writeAnyXmlValue(final DOMSource anyXmlValue) throws IOException {
+ final Node documentNode = anyXmlValue.getNode();
+ final Node firstChild = documentNode.getFirstChild();
+ if (ELEMENT_NODE == firstChild.getNodeType() && !ANYXML_ARRAY_ELEMENT_ID.equals(firstChild.getNodeName())) {
+ writer.beginObject();
+ traverseAnyXmlValue(documentNode);
+ writer.endObject();
+ } else {
+ traverseAnyXmlValue(documentNode);
+ }
+ }
+
+ private void traverseAnyXmlValue(final Node node) throws IOException {
+ final NodeList children = node.getChildNodes();
+ boolean inArray = false;
+
+ for (int i = 0, length = children.getLength(); i < length; i++) {
+ final Node childNode = children.item(i);
+ boolean inObject = false;
+
+ if (ELEMENT_NODE == childNode.getNodeType()) {
+ final Node firstChild = childNode.getFirstChild();
+ // beginning of an array
+ if (ANYXML_ARRAY_ELEMENT_ID.equals(childNode.getNodeName()) && !inArray) {
+ writer.beginArray();
+ inArray = true;
+ // object at the beginning of the array
+ if (isJsonObjectInArray(childNode, firstChild)) {
+ writer.beginObject();
+ inObject = true;
+ }
+ // object in the array
+ } else if (isJsonObjectInArray(childNode, firstChild)) {
+ writer.beginObject();
+ inObject = true;
+ // object
+ } else if (isJsonObject(firstChild)) {
+ writer.name(childNode.getNodeName());
+ writer.beginObject();
+ inObject = true;
+ // name
+ } else if (!inArray){
+ writer.name(childNode.getNodeName());
+ }
+ }
+
+ // text value, i.e. a number, string, boolean or null
+ if (TEXT_NODE == childNode.getNodeType()) {
+ final String childNodeText = childNode.getNodeValue();
+ if (NUMBER_PATTERN.matcher(childNodeText).matches()) {
+ writer.value(parseNumber(childNodeText));
+ } else if ("true".equals(childNodeText) || "false".equals(childNodeText)) {
+ writer.value(Boolean.parseBoolean(childNodeText));
+ } else if ("null".equals(childNodeText)) {
+ writer.nullValue();
+ } else {
+ writer.value(childNodeText);
+ }
+
+ return;
+ }
+
+ traverseAnyXmlValue(childNode);
+
+ if (inObject) {
+ writer.endObject();
+ }
+ }
+
+ if (inArray) {
+ writer.endArray();
+ }
+ }
+
+ // json numbers are 64 bit wide floating point numbers - in java terms it is either long or double
+ private static Number parseNumber(final String numberText) {
+ if (NOT_DECIMAL_NUMBER_PATTERN.matcher(numberText).matches()) {
+ return Long.valueOf(numberText);
+ }
+
+ return Double.valueOf(numberText);
+ }
+
+ private static boolean isJsonObject(final Node firstChild) {
+ return !ANYXML_ARRAY_ELEMENT_ID.equals(firstChild.getNodeName()) && TEXT_NODE != firstChild.getNodeType();
+ }
+
+ private static boolean isJsonObjectInArray(final Node node, final Node firstChild) {
+ return ANYXML_ARRAY_ELEMENT_ID.equals(node.getNodeName())
+ && !ANYXML_ARRAY_ELEMENT_ID.equals(firstChild.getNodeName())
+ && TEXT_NODE != firstChild.getNodeType();
}
@Override
Code Review / yangtools.git / blobdiff