Add rename method to rest api

docs/rest-api/rest-notebook.md

@@ -339,6 +339,42 @@ Notebooks REST API supports the following operations: List, Create, Get, Delete,
     </tr>
   </table>
 
+<br/>
+### Rename a note
+  <table class="table-configuration">
+    <col width="200">
+    <tr>
+      <td>Description</td>
+      <td>This ```PUT``` method renames a note by the given id using the given name.
+      </td>
+    </tr>
+    <tr>
+      <td>URL</td>
+      <td>```http://[zeppelin-server]:[zeppelin-port]/api/notebook/[noteId]/rename```</td>
+    </tr>
+    <tr>
+      <td>Success code</td>
+      <td>200</td>
+    </tr>
+    <tr>
+       <td>Bad Request code</td>
+       <td>400</td>
+    </tr>
+    <tr>
+      <td> Fail code</td>
+      <td> 500 </td>
+    </tr>
+    <tr>
+      <td> sample JSON input </td>
+      <td><pre>{"name": "new name of a note"}</pre></td>
+    </tr>
+    <tr>
+      <td> sample JSON response </td>
+      <td><pre>{"status":"OK"}</pre></td>
+    </tr>
+  </table>
+
+
 <br />
 ### Export a note
   <table class="table-configuration">

zeppelin-server/src/main/java/org/apache/zeppelin/rest/NotebookRestApi.java

@@ -45,10 +45,7 @@ import org.apache.zeppelin.notebook.Paragraph;
 import org.apache.zeppelin.rest.exception.BadRequestException;
 import org.apache.zeppelin.rest.exception.NotFoundException;
 import org.apache.zeppelin.rest.exception.ForbiddenException;
-import org.apache.zeppelin.rest.message.CronRequest;
-import org.apache.zeppelin.rest.message.NewNoteRequest;
-import org.apache.zeppelin.rest.message.NewParagraphRequest;
-import org.apache.zeppelin.rest.message.RunParagraphWithParametersRequest;
+import org.apache.zeppelin.rest.message.*;
 import org.apache.zeppelin.search.SearchService;
 import org.apache.zeppelin.server.JsonResponse;
 import org.apache.zeppelin.socket.NotebookServer;
@@ -413,6 +410,37 @@ public class NotebookRestApi {
     return new JsonResponse<>(Status.OK, "", newNote.getId()).build();
   }
 
+  /**
+   * Rename note REST API
+   *
+   * @param message - JSON containing new name
+   * @return JSON with status.OK
+   * @throws IOException
+   */
+  @PUT
+  @Path("{noteId}/rename")
+  @ZeppelinApi
+  public Response renameNote(@PathParam("noteId") String noteId, String message) throws IOException {
+    LOG.info("rename note by JSON {}", message);
+    RenameNoteRequest request = gson.fromJson(message, RenameNoteRequest.class);
+    AuthenticationInfo subject = new AuthenticationInfo(SecurityUtils.getPrincipal());
+
+    checkIfUserCanWrite(noteId, "Insufficient privileges you cannot rename this note");
+    Note note = notebook.getNote(noteId);
+    checkIfNoteIsNotNull(note);
+
+    String newName = request.getName();
+    if (newName.isEmpty()) {
+      LOG.warn("Trying to rename notebook {} with empty name parameter", noteId);
+      throw new BadRequestException("name can not be empty");
+    }
+    note.setName(newName);
+
+    notebookServer.broadcastNote(note);
+    notebookServer.broadcastNoteList(subject, SecurityUtils.getRoles());
+    return new JsonResponse(Status.OK, "").build();
+  }
+
   /**
    * Insert paragraph REST API
    *

zeppelin-server/src/main/java/org/apache/zeppelin/rest/message/RenameNoteRequest.java

@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.zeppelin.rest.message;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.zeppelin.interpreter.InterpreterOption;
+
+/**
+ *  RenameNoteRequest rest api request message
+ *
+ */
+public class RenameNoteRequest {
+    String name;
+
+    public RenameNoteRequest (){
+
+    }
+
+    public String getName() {
+        return name;
+    }
+}