[ONOS-5465][TE Tunnel SB Provider] Interaction with ONOS core TE subsystems for TE tunnel updates
Change-Id: I2cb7ed7731192228a5f6ef4c4b6c3a14a7175732
diff --git a/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/CodecTools.java b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/CodecTools.java
new file mode 100644
index 0000000..d5213ae
--- /dev/null
+++ b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/CodecTools.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.provider.te.utils;
+
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.ObjectWriter;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.slf4j.Logger;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+
+/**
+ * Convert utility methods for IETF SB.
+ */
+public final class CodecTools {
+ private static final Logger log = getLogger(CodecTools.class);
+ private static final ObjectMapper MAPPER = new ObjectMapper();
+
+ //no instantiation
+ private CodecTools() {
+ }
+
+ /**
+ * Returns an object node from a InputStream type input which usually comes
+ * from the HTTP response.
+ *
+ * @param stream stream data comes from a HTTP response
+ * @return object node
+ */
+ public static ObjectNode toJson(InputStream stream) {
+ ObjectNode response = null;
+ try {
+ response = (ObjectNode) MAPPER.readTree(stream);
+ } catch (IOException e) {
+ log.error("Parse json string failed {}", e.getMessage());
+ }
+
+ return response;
+ }
+
+ /**
+ * Returns an object node from a string.
+ *
+ * @param jsonString string with JSON format
+ * @return object node
+ */
+ public static ObjectNode toJson(String jsonString) {
+ ObjectNode response = null;
+ try {
+ response = (ObjectNode) MAPPER.readTree(jsonString);
+ } catch (IOException e) {
+ log.error("Parse json string failed {}", e.getMessage());
+ }
+
+ return response;
+ }
+
+ /**
+ * Returns a JSON format string from a Jackson object node.
+ *
+ * @param node JSON object node
+ * @return string with JSON format
+ */
+ public static String jsonToString(ObjectNode node) {
+ ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter();
+ String jsonString = null;
+ try {
+ jsonString = ow.writeValueAsString(node);
+ } catch (JsonProcessingException e) {
+ log.error("Parse json to string failed {}", e.getMessage());
+ }
+
+ return jsonString;
+ }
+}
diff --git a/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/DefaultJsonCodec.java b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/DefaultJsonCodec.java
new file mode 100755
index 0000000..c8b5bae
--- /dev/null
+++ b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/DefaultJsonCodec.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.provider.te.utils;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.yms.ych.YangCompositeEncoding;
+import org.onosproject.yms.ych.YangDataTreeCodec;
+import org.onosproject.yms.ydt.YdtBuilder;
+import org.onosproject.yms.ydt.YdtContext;
+import org.onosproject.yms.ydt.YmsOperationType;
+import org.onosproject.yms.ymsm.YmsService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.onosproject.protocol.restconf.server.utils.parser.json.ParserUtils.convertJsonToYdt;
+import static org.onosproject.protocol.restconf.server.utils.parser.json.ParserUtils.convertUriToYdt;
+import static org.onosproject.protocol.restconf.server.utils.parser.json.ParserUtils.convertYdtToJson;
+import static org.onosproject.provider.te.utils.CodecTools.jsonToString;
+import static org.onosproject.provider.te.utils.CodecTools.toJson;
+import static org.onosproject.yms.ych.YangResourceIdentifierType.URI;
+import static org.onosproject.yms.ydt.YdtContextOperationType.NONE;
+
+
+/**
+ * JSON/YDT Codec implementation.
+ */
+public class DefaultJsonCodec implements YangDataTreeCodec {
+ private static final String RESTCONF_ROOT = "/onos/restconf";
+ private static final String DATA = "data";
+ private static final String SLASH = "/";
+
+ private final YmsService ymsService;
+
+ private final Logger log = LoggerFactory.getLogger(getClass());
+
+ public DefaultJsonCodec(YmsService service) {
+ ymsService = service;
+ }
+
+ @Override
+ public String encodeYdtToProtocolFormat(YdtBuilder builder) {
+ ObjectNode jsonNode = convertYdtToJson(builder.getRootNode().getName(),
+ builder.getRootNode(),
+ ymsService.getYdtWalker());
+ return jsonToString(jsonNode);
+ }
+
+ @Override
+ public YangCompositeEncoding encodeYdtToCompositeProtocolFormat(
+ YdtBuilder builder) {
+ YdtContext rootNode = builder.getRootNode();
+ String rootName = rootNode.getName();
+ YdtContext child = rootNode.getFirstChild();
+ String name = child.getName();
+ String url = rootName + SLASH + DATA + SLASH + name;
+ ObjectNode objectNode = convertYdtToJson(name, child,
+ ymsService.getYdtWalker());
+ String payload = jsonToString((ObjectNode) objectNode.get(name));
+ return new YangCompositeEncodingImpl(URI, url, payload);
+ }
+
+ @Override
+ public YdtBuilder decodeProtocolDataToYdt(String protocolData,
+ Object schemaRegistry,
+ YmsOperationType opType) {
+ // Get a new builder
+ YdtBuilder builder = ymsService.getYdtBuilder(RESTCONF_ROOT,
+ null,
+ opType,
+ schemaRegistry);
+
+ convertJsonToYdt(toJson(protocolData), builder);
+ return builder;
+ }
+
+ @Override
+ public YdtBuilder decodeCompositeProtocolDataToYdt(YangCompositeEncoding protocolData,
+ Object schemaRegistry,
+ YmsOperationType opType) {
+
+ YdtBuilder builder = ymsService.getYdtBuilder(RESTCONF_ROOT,
+ null,
+ opType,
+ schemaRegistry);
+
+ // YdtContextOperationType should be NONE for URI in QUERY_RESPONSE.
+ convertUriToYdt(protocolData.getResourceIdentifier(), builder, NONE);
+
+ // NULL/EMPTY for Resource data
+ builder.setDefaultEditOperationType(null);
+
+ // Convert the payload json body to ydt
+ convertJsonToYdt(toJson(protocolData.getResourceInformation()), builder);
+ return builder;
+ }
+}
diff --git a/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/YangCompositeEncodingImpl.java b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/YangCompositeEncodingImpl.java
new file mode 100755
index 0000000..177c803
--- /dev/null
+++ b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/YangCompositeEncodingImpl.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.provider.te.utils;
+
+import org.onosproject.yms.ych.YangCompositeEncoding;
+import org.onosproject.yms.ych.YangResourceIdentifierType;
+
+/**
+ * Represents implementation of YangCompositeEncoding interfaces.
+ */
+public class YangCompositeEncodingImpl implements YangCompositeEncoding {
+
+ /**
+ * Resource identifier for composite encoding.
+ */
+ private String resourceIdentifier;
+
+ /**
+ * Resource information for composite encoding.
+ */
+ private String resourceInformation;
+
+ /**
+ * Resource identifier type.
+ */
+ private YangResourceIdentifierType resourceIdentifierType;
+
+ /**
+ * Creates an instance of YangCompositeEncodingImpl.
+ *
+ * @param resIdType is URI
+ * @param resId is the URI string
+ * @param resInfo is the JSON body string
+ */
+ public YangCompositeEncodingImpl(YangResourceIdentifierType resIdType,
+ String resId,
+ String resInfo) {
+ this.resourceIdentifierType = resIdType;
+ this.resourceIdentifier = resId;
+ this.resourceInformation = resInfo;
+ }
+
+ public String getResourceIdentifier() {
+ return resourceIdentifier;
+ }
+
+ public YangResourceIdentifierType getResourceIdentifierType() {
+ return resourceIdentifierType;
+ }
+
+ public String getResourceInformation() {
+ return resourceInformation;
+ }
+
+ public void setResourceIdentifier(String resourceId) {
+ resourceIdentifier = resourceId;
+ }
+
+ public void setResourceInformation(String resourceInfo) {
+ resourceInformation = resourceInfo;
+ }
+
+ public void setResourceIdentifierType(YangResourceIdentifierType idType) {
+ resourceIdentifierType = idType;
+ }
+}
+
diff --git a/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/package-info.java b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/package-info.java
new file mode 100644
index 0000000..74a914e
--- /dev/null
+++ b/providers/ietfte/utils/src/main/java/org/onosproject/provider/te/utils/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Public codec classes for ietf provider.
+ */
+package org.onosproject.provider.te.utils;
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