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 org.apache.camel.component.twitter.util;
  
  import org.apache.camel.Converter;
  import twitter4j.v1.DirectMessage;
  import twitter4j.v1.Status;
  import twitter4j.v1.Trend;
  import twitter4j.v1.Trends;
  import twitter4j.v1.UserList;
  
  /**
   * Utility for converting between Twitter4J and camel-twitter data layers.
   */
  @Converter(generateLoader = true)
  public final class TwitterConverter {
  
      private TwitterConverter() {
          // Helper class
      }
  
      @Converter
      public static String toString(Status status) {
          return status.getCreatedAt() + " (" +
                 status.getUser().getScreenName() + ") " +
                 status.getText();
      }
  
      @Converter
      public static String toString(DirectMessage dm) {
          return dm.getCreatedAt() +
                 " (" + dm.getSenderId() + ") " +
                 dm.getText();
      }
  
      @Converter
      public static String toString(Trend trend) {
          return trend.getName();
      }
  
      @Converter
      public static String toString(Trends trends) {
          StringBuilder s = new StringBuilder();
          s.append("(")
                  .append(trends.getTrendAt().toString())
                  .append(") ");
  
          boolean first = true;
          for (Trend trend : trends.getTrends()) {
              if (first) {
                  first = false;
              } else {
                  s.append(",");
              }
              s.append(toString(trend));
          }
          return s.toString();
      }
  
      @Converter
      public static String toString(UserList userList) {
          return userList.getCreatedAt() +
                 " (" + userList.getUser().getScreenName() + ") " +
                 userList.getFullName() +
                 ',' +
                 userList.getURI() +
                 ',';
      }
  }
  