GUI -- Deleted deprecated UIMessageHandler.
Change-Id: Ia26853b6cb1198b232edd4e8f0cfffa8ad92dd55
diff --git a/core/api/src/main/java/org/onosproject/ui/UiMessageHandler.java b/core/api/src/main/java/org/onosproject/ui/UiMessageHandler.java
deleted file mode 100644
index 00b3595..0000000
--- a/core/api/src/main/java/org/onosproject/ui/UiMessageHandler.java
+++ /dev/null
@@ -1,213 +0,0 @@
-/*
- * Copyright 2015 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.ui;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import org.onlab.osgi.ServiceDirectory;
-
-import java.util.Set;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkNotNull;
-
-/**
- * Abstraction of an entity capable of processing a JSON message from the user
- * interface client.
- * <p>
- * The message is a JSON object with the following structure:
- * </p>
- * <pre>
- * {
- * "type": "<em>event-type</em>",
- * "sid": "<em>sequence-number</em>",
- * "payload": {
- * <em>arbitrary JSON object structure</em>
- * }
- * }
- * </pre>
- */
-@Deprecated
-public abstract class UiMessageHandler {
-
- private final Set<String> messageTypes;
- private UiConnection connection;
- private ServiceDirectory directory;
-
- /**
- * Mapper for creating ObjectNodes and ArrayNodes etc.
- */
- protected final ObjectMapper mapper = new ObjectMapper();
-
- /**
- * Creates a new message handler for the specified set of message types.
- *
- * @param messageTypes set of message types
- */
- protected UiMessageHandler(Set<String> messageTypes) {
- this.messageTypes = checkNotNull(messageTypes, "Message types cannot be null");
- checkArgument(!messageTypes.isEmpty(), "Message types cannot be empty");
- }
-
- /**
- * Returns the set of message types which this handler is capable of
- * processing.
- *
- * @return set of message types
- */
- public Set<String> messageTypes() {
- return messageTypes;
- }
-
- /**
- * Processes a JSON message from the user interface client.
- *
- * @param message JSON message
- */
- public abstract void process(ObjectNode message);
-
- /**
- * Initializes the handler with the user interface connection and
- * service directory context.
- *
- * @param connection user interface connection
- * @param directory service directory
- */
- public void init(UiConnection connection, ServiceDirectory directory) {
- this.connection = connection;
- this.directory = directory;
- }
-
- /**
- * Destroys the message handler context.
- */
- public void destroy() {
- this.connection = null;
- this.directory = null;
- }
-
- /**
- * Returns the user interface connection with which this handler was primed.
- *
- * @return user interface connection
- */
- public UiConnection connection() {
- return connection;
- }
-
- /**
- * Returns the user interface connection with which this handler was primed.
- *
- * @return user interface connection
- */
- public ServiceDirectory directory() {
- return directory;
- }
-
- /**
- * Returns implementation of the specified service class.
- *
- * @param serviceClass service class
- * @param <T> type of service
- * @return implementation class
- * @throws org.onlab.osgi.ServiceNotFoundException if no implementation found
- */
- protected <T> T get(Class<T> serviceClass) {
- return directory.get(serviceClass);
- }
-
- /**
- * Wraps a message payload into an event structure for the given event
- * type and sequence ID. Generally the
- *
- * @param type event type
- * @param sid sequence ID
- * @param payload event payload
- * @return the object node representation
- */
- protected ObjectNode envelope(String type, long sid, ObjectNode payload) {
- return JsonUtils.envelope(type, sid, payload);
- }
-
- /**
- * Returns the event type from the specified event.
- *
- * @param event the event
- * @return the event type
- */
- protected String eventType(ObjectNode event) {
- return JsonUtils.eventType(event);
- }
-
- /**
- * Retrieves the payload from the specified event.
- *
- * @param event message event
- * @return extracted payload object
- */
- protected ObjectNode payload(ObjectNode event) {
- return JsonUtils.payload(event);
- }
-
- /**
- * Returns the specified node property as a number.
- *
- * @param node message event
- * @param name property name
- * @return property as number
- */
- protected long number(ObjectNode node, String name) {
- return JsonUtils.number(node, name);
- }
-
- /**
- * Returns the specified node property as a string.
- *
- * @param node message event
- * @param name property name
- * @return property as a string
- */
- protected String string(ObjectNode node, String name) {
- return JsonUtils.string(node, name);
- }
-
- /**
- * Returns the specified node property as a string with a default fallback.
- *
- * @param node message event
- * @param name property name
- * @param defaultValue fallback value if property is absent
- * @return property as a string
- */
- protected String string(ObjectNode node, String name, String defaultValue) {
- return JsonUtils.string(node, name, defaultValue);
- }
-
- /**
- * Concatenates an arbitrary number of objects, using their
- * toString() methods.
- *
- * @param items the items to concatenate
- * @return a concatenated string
- */
- protected static String concat(Object... items) {
- StringBuilder sb = new StringBuilder();
- for (Object o : items) {
- sb.append(o);
- }
- return sb.toString();
- }
-}