+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
package org.opendaylight.controller.sal.rest.impl;
import java.io.InputStream;
import java.io.InputStreamReader;
+import java.net.URI;
import java.util.Map.Entry;
import java.util.Set;
+import org.opendaylight.controller.sal.rest.impl.RestUtil.PrefixMapingFromJson;
import org.opendaylight.controller.sal.restconf.impl.CompositeNodeWrapper;
+import org.opendaylight.controller.sal.restconf.impl.EmptyNodeWrapper;
+import org.opendaylight.controller.sal.restconf.impl.IdentityValuesDTO;
import org.opendaylight.controller.sal.restconf.impl.SimpleNodeWrapper;
import com.google.common.collect.Lists;
class JsonReader {
- public CompositeNodeWrapper read(InputStream entityStream) throws UnsupportedJsonFormatException {
+ public CompositeNodeWrapper read(InputStream entityStream) throws UnsupportedFormatException {
JsonParser parser = new JsonParser();
-
+
JsonElement rootElement = parser.parse(new InputStreamReader(entityStream));
if (!rootElement.isJsonObject()) {
- throw new UnsupportedJsonFormatException("Root element of Json has to be Object");
+ throw new UnsupportedFormatException("Root element of Json has to be Object");
}
-
+
Set<Entry<String, JsonElement>> entrySetsOfRootJsonObject = rootElement.getAsJsonObject().entrySet();
if (entrySetsOfRootJsonObject.size() != 1) {
- throw new UnsupportedJsonFormatException("Json Object should contain one element");
+ throw new UnsupportedFormatException("Json Object should contain one element");
} else {
Entry<String, JsonElement> childEntry = Lists.newArrayList(entrySetsOfRootJsonObject).get(0);
String firstElementName = childEntry.getKey();
if (firstElementInArray.isJsonObject()) {
return createStructureWithRoot(firstElementName, firstElementInArray.getAsJsonObject());
}
- throw new UnsupportedJsonFormatException("Array as the first element in Json Object can have only Object element");
+ throw new UnsupportedFormatException(
+ "Array as the first element in Json Object can have only Object element");
}
}
- throw new UnsupportedJsonFormatException("First element in Json Object has to be \"Object\" or \"Array with one Object element\". Other scenarios are not supported yet.");
+ throw new UnsupportedFormatException(
+ "First element in Json Object has to be \"Object\" or \"Array with one Object element\". Other scenarios are not supported yet.");
}
}
-
+
private CompositeNodeWrapper createStructureWithRoot(String rootObjectName, JsonObject rootObject) {
- CompositeNodeWrapper firstNode = new CompositeNodeWrapper(rootObjectName);
+ CompositeNodeWrapper firstNode = new CompositeNodeWrapper(getNamespaceFor(rootObjectName),
+ getLocalNameFor(rootObjectName));
for (Entry<String, JsonElement> childOfFirstNode : rootObject.entrySet()) {
addChildToParent(childOfFirstNode.getKey(), childOfFirstNode.getValue(), firstNode);
}
return firstNode;
}
-
+
private void addChildToParent(String childName, JsonElement childType, CompositeNodeWrapper parent) {
if (childType.isJsonObject()) {
- CompositeNodeWrapper child = new CompositeNodeWrapper(childName);
+ CompositeNodeWrapper child = new CompositeNodeWrapper(getNamespaceFor(childName), getLocalNameFor(childName));
parent.addValue(child);
for (Entry<String, JsonElement> childOfChild : childType.getAsJsonObject().entrySet()) {
addChildToParent(childOfChild.getKey(), childOfChild.getValue(), child);
}
} else if (childType.isJsonArray()) {
- for (JsonElement childOfChildType : childType.getAsJsonArray()) {
- addChildToParent(childName, childOfChildType, parent);
+ if (childType.getAsJsonArray().size() == 1 && childType.getAsJsonArray().get(0).isJsonNull()) {
+ parent.addValue(new EmptyNodeWrapper(getNamespaceFor(childName), getLocalNameFor(childName)));
+
+ } else {
+ for (JsonElement childOfChildType : childType.getAsJsonArray()) {
+ addChildToParent(childName, childOfChildType, parent);
+ }
}
} else if (childType.isJsonPrimitive()) {
JsonPrimitive childPrimitive = childType.getAsJsonPrimitive();
String value = childPrimitive.getAsString();
- SimpleNodeWrapper child = null;
- if (value.equals("[null]")) {
- child = new SimpleNodeWrapper(childName, null);
- } else {
- child = new SimpleNodeWrapper(childName, value);
+ parent.addValue(new SimpleNodeWrapper(getNamespaceFor(childName), getLocalNameFor(childName),
+ resolveValueOfElement(value)));
+ }
+ }
+
+ private URI getNamespaceFor(String jsonElementName) {
+ String[] moduleNameAndLocalName = jsonElementName.split(":");
+ // it is not "moduleName:localName"
+ if (moduleNameAndLocalName.length != 2) {
+ return null;
+ }
+ return URI.create(moduleNameAndLocalName[0]);
+ }
+
+ private String getLocalNameFor(String jsonElementName) {
+ String[] moduleNameAndLocalName = jsonElementName.split(":");
+ // it is not "moduleName:localName"
+ if (moduleNameAndLocalName.length != 2) {
+ return jsonElementName;
+ }
+ return moduleNameAndLocalName[1];
+ }
+
+ private Object resolveValueOfElement(String value) {
+ // it could be instance-identifier Built-In Type
+ if (value.startsWith("/")) {
+ IdentityValuesDTO resolvedValue = RestUtil.asInstanceIdentifier(value, new PrefixMapingFromJson());
+ if (resolvedValue != null) {
+ return resolvedValue;
}
- parent.addValue(child);
}
+ // it could be identityref Built-In Type
+ URI namespace = getNamespaceFor(value);
+ if (namespace != null) {
+ return new IdentityValuesDTO(namespace.toString(), getLocalNameFor(value), null);
+ }
+ // it is not "prefix:value" but just "value"
+ return value;
}
+
}
Code Review / controller.git / blobdiff