Java tutorial
/** * 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 java.text.ParseException; import org.apache.camel.Converter; import twitter4j.DirectMessage; import twitter4j.Status; import twitter4j.Trend; import twitter4j.Trends; /** * Utility for converting between Twitter4J and camel-twitter data layers. */ @Converter public final class TwitterConverter { private TwitterConverter() { // Helper class } @Converter public static String toString(Status status) throws ParseException { StringBuilder s = new StringBuilder(); s.append(status.getCreatedAt()).append(" (").append(status.getUser().getScreenName()).append(") "); s.append(status.getText()); return s.toString(); } @Converter public static String toString(DirectMessage dm) throws ParseException { StringBuilder s = new StringBuilder(); s.append(dm.getCreatedAt()).append(" (").append(dm.getSenderScreenName()).append(") "); s.append(dm.getText()); return s.toString(); } @Converter public static String toString(Trend trend) throws ParseException { return trend.getName(); } @Converter public static String toString(Trends trends) throws ParseException { StringBuilder s = new StringBuilder(); s.append("(" + trends.getTrendAt().toString() + ") "); boolean first = true; for (Trend trend : trends.getTrends()) { if (first) { first = false; } else { s.append(","); } s.append(toString(trend)); } return s.toString(); } }