content: /**
   * 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 io.jafka.console;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.UnsupportedEncodingException;
  import java.util.Properties;
  
  
  /**
   * @author adyliu (imxylz@gmail.com)
   * @since 1.0
   */
  public class LineMessageReader implements MessageReader {
  
      private BufferedReader reader;
      boolean first = true;
      public void init(InputStream inputStream, Properties props) {
          try {
              reader = new BufferedReader(new InputStreamReader(inputStream,"UTF-8"));
          } catch (UnsupportedEncodingException e) {
              throw new RuntimeException(e);
          }
      }
  
      public String readMessage() throws IOException {
          if(first) {
              first = false;
              System.out.println("Enter you message and exit with empty string.");
          }
          System.out.print("> ");
          return reader.readLine();
      }
  
      public void close() {
      }
  
  }
  