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; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import org.apache.camel.spi.UriParam; import twitter4j.Twitter; import twitter4j.TwitterFactory; import twitter4j.TwitterStream; import twitter4j.TwitterStreamFactory; import twitter4j.conf.Configuration; import twitter4j.conf.ConfigurationBuilder; public class TwitterConfiguration { /** * OAuth */ @UriParam private String consumerKey; @UriParam private String consumerSecret; @UriParam private String accessToken; @UriParam private String accessTokenSecret; /** * Defines the Twitter API endpoint. */ @UriParam private String type; /** * Polling delay. */ @UriParam private int delay = 60; /** * Username -- used for searching, etc. */ @UriParam private String user; /** * Keywords used for search and filters. */ @UriParam private String keywords; /** * Lon/Lat bounding boxes used for filtering. */ @UriParam private String locations; /** * List of userIds used for searching, etc. */ @UriParam private String userIds; /** * Filter out old tweets that have been previously polled. */ @UriParam private boolean filterOld = true; /** * Used for time-based endpoints (trends, etc.) */ @UriParam private String date; /** * Used to set the sinceId from pulling */ @UriParam private long sinceId = 1; /** * Used to set the preferred language on which to search */ @UriParam private String lang; /** * Used to set the maximum tweets per page (max = 100) */ @UriParam private Integer count; @UriParam private Date parsedDate; /** * Number of page to iterate before stop (default is 1) */ @UriParam private Integer numberOfPages = new Integer(1); @UriParam private String httpProxyHost; @UriParam private String httpProxyUser; @UriParam private String httpProxyPassword; @UriParam private Integer httpProxyPort; @UriParam private boolean useSSL = true; /** * Singleton, on demand instances of Twitter4J's Twitter & TwitterStream. * This should not be created by an endpoint's doStart(), etc., since * instances of twitter and/or twitterStream can be supplied by the route * itself. Further, as an example, we don't want to initialize twitter * if we only need twitterStream. */ private Twitter twitter; private TwitterStream twitterStream; /** * Ensures required fields are available. */ public void checkComplete() { if (twitter == null && twitterStream == null && (consumerKey.isEmpty() || consumerSecret.isEmpty() || accessToken.isEmpty() || accessTokenSecret.isEmpty())) { throw new IllegalArgumentException( "twitter or twitterStream or all of consumerKey, consumerSecret, accessToken, and accessTokenSecret must be set!"); } } /** * Builds a Twitter4J Configuration using the OAuth params. * * @return Configuration */ public Configuration getConfiguration() { checkComplete(); ConfigurationBuilder confBuilder = new ConfigurationBuilder(); confBuilder.setOAuthConsumerKey(consumerKey); confBuilder.setOAuthConsumerSecret(consumerSecret); confBuilder.setOAuthAccessToken(accessToken); confBuilder.setOAuthAccessTokenSecret(accessTokenSecret); confBuilder.setUseSSL(useSSL); if (getHttpProxyHost() != null) { confBuilder.setHttpProxyHost(getHttpProxyHost()); } if (getHttpProxyUser() != null) { confBuilder.setHttpProxyHost(getHttpProxyUser()); } if (getHttpProxyPassword() != null) { confBuilder.setHttpProxyHost(getHttpProxyPassword()); } if (httpProxyPort != null) { confBuilder.setHttpProxyPort(httpProxyPort); } return confBuilder.build(); } public String getConsumerKey() { return consumerKey; } public void setConsumerKey(String consumerKey) { this.consumerKey = consumerKey; } public String getConsumerSecret() { return consumerSecret; } public void setConsumerSecret(String consumerSecret) { this.consumerSecret = consumerSecret; } public String getAccessToken() { return accessToken; } public void setAccessToken(String accessToken) { this.accessToken = accessToken; } public String getAccessTokenSecret() { return accessTokenSecret; } public void setAccessTokenSecret(String accessTokenSecret) { this.accessTokenSecret = accessTokenSecret; } public boolean getUseSSL() { return useSSL; } public void setUseSSL(boolean useSSL) { this.useSSL = useSSL; } public String getUser() { return user; } public void setUser(String user) { this.user = user; } public String getKeywords() { return keywords; } public void setKeywords(String keywords) { this.keywords = keywords; } public int getDelay() { return delay; } public void setDelay(int delay) { this.delay = delay; } public String getType() { return type; } public void setType(String type) { this.type = type; } public String getLocations() { return locations; } public void setLocations(String locations) { this.locations = locations; } public String getUserIds() { return userIds; } public void setUserIds(String userIds) { this.userIds = userIds; } public boolean isFilterOld() { return filterOld; } public void setFilterOld(boolean filterOld) { this.filterOld = filterOld; } public Twitter getTwitter() { if (twitter == null) { twitter = new TwitterFactory(getConfiguration()).getInstance(); } return twitter; } public void setTwitter(Twitter twitter) { this.twitter = twitter; } public TwitterStream getTwitterStream() { return twitterStream; } public void setTwitterStream(TwitterStream twitterStream) { this.twitterStream = twitterStream; } public String getDate() { return date; } public Date parseDate() { return parsedDate; } public void setDate(String date) { this.date = date; try { SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); parsedDate = sdf.parse(date); } catch (ParseException e) { throw new IllegalArgumentException("date must be in yyyy-mm-dd format!"); } } public TwitterStream createTwitterStream() { if (twitterStream == null) { twitterStream = new TwitterStreamFactory(getConfiguration()).getInstance(); } return twitterStream; } public long getSinceId() { return sinceId; } public void setSinceId(long sinceId) { this.sinceId = sinceId; } public String getLang() { return lang; } public void setLang(String lang) { this.lang = lang; } public Integer getCount() { return count; } public void setCount(int count) { this.count = count; } public Integer getNumberOfPages() { return numberOfPages; } public void setNumberOfPages(Integer numberOfPages) { this.numberOfPages = numberOfPages; } public void setHttpProxyHost(String httpProxyHost) { this.httpProxyHost = httpProxyHost; } public String getHttpProxyHost() { return httpProxyHost; } public void setHttpProxyUser(String httpProxyUser) { this.httpProxyUser = httpProxyUser; } public String getHttpProxyUser() { return httpProxyUser; } public void setHttpProxyPassword(String httpProxyPassword) { this.httpProxyPassword = httpProxyPassword; } public String getHttpProxyPassword() { return httpProxyPassword; } public void setHttpProxyPort(int httpProxyPort) { this.httpProxyPort = httpProxyPort; } public int getHttpProxyPort() { return httpProxyPort; } }