| /* |
| * 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.interpreter; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.*; |
| |
| /** |
| * Interpreter result template. |
| */ |
| public class InterpreterResult implements Serializable { |
| transient Logger logger = LoggerFactory.getLogger(InterpreterResult.class); |
| /** |
| * Type of result after code execution. |
| */ |
| public static enum Code { |
| SUCCESS, |
| INCOMPLETE, |
| ERROR, |
| KEEP_PREVIOUS_RESULT |
| } |
| |
| /** |
| * Type of Data. |
| */ |
| public static enum Type { |
| TEXT, |
| HTML, |
| ANGULAR, |
| TABLE, |
| IMG, |
| SVG, |
| NULL |
| } |
| |
| Code code; |
| List<InterpreterResultMessage> msg = new LinkedList<>(); |
| |
| public InterpreterResult(Code code) { |
| this.code = code; |
| } |
| |
| public InterpreterResult(Code code, List<InterpreterResultMessage> msgs) { |
| this.code = code; |
| msg.addAll(msgs); |
| } |
| |
| public InterpreterResult(Code code, String msg) { |
| this.code = code; |
| add(msg); |
| } |
| |
| public InterpreterResult(Code code, Type type, String msg) { |
| this.code = code; |
| add(type, msg); |
| } |
| |
| /** |
| * Automatically detect %[display_system] directives |
| * @param msg |
| */ |
| public void add(String msg) { |
| InterpreterOutput out = new InterpreterOutput(null); |
| try { |
| out.write(msg); |
| out.flush(); |
| this.msg.addAll(out.toInterpreterResultMessage()); |
| out.close(); |
| } catch (IOException e) { |
| logger.error(e.getMessage(), e); |
| } |
| |
| } |
| |
| public void add(Type type, String data) { |
| msg.add(new InterpreterResultMessage(type, data)); |
| } |
| |
| public Code code() { |
| return code; |
| } |
| |
| public List<InterpreterResultMessage> message() { |
| return msg; |
| } |
| |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| Type prevType = null; |
| for (InterpreterResultMessage m : msg) { |
| if (prevType != null) { |
| sb.append("\n"); |
| if (prevType == Type.TABLE) { |
| sb.append("\n"); |
| } |
| } |
| sb.append(m.toString()); |
| prevType = m.getType(); |
| } |
| |
| return sb.toString(); |
| } |
| } |