// identify if the post is too old
private boolean isResultTooOld(String result) {
// parse post, check the last one's timestamp, if not old enough then
// continue
if (result == null
|| "[]".equals(result)
|| result.startsWith("{\"error\"")
|| !result.startsWith("{\"statuses\"")) {
return false;
}
List<Status> statusList;
try {
statusList = StatusDB.getStatusList(result);
} catch (Exception e) {
System.out.println("Error in constructing status list for checking if the post is too old.");
e.printStackTrace();
return false;
}
if (!statusList.isEmpty()) {
Status s = statusList.get(statusList.size() - 1);
System.out.println("The last geo-post date: " + s.getCreatedAt().toString());
if (CrawlTool.timeToUnixTime(s.getCreatedAt()) <= this.stopCrawlPostTimeStamp) {
return true;
}
}
return false;
}
private void setup(String configFileName) {
InputStream is = null;
try {
is = new FileInputStream(Utils.getPath() + "/" + configFileName);
Properties config = new Properties();
config.load(is);
// get the config item
// keys
this.keyFileName = config.getProperty("key_file_name");
if (config.containsKey("key_from")) {
this.keysFrom = Integer.valueOf(config.getProperty("key_from"));
}
if (config.containsKey("key_to")) {
this.keysTo = Integer.valueOf(config.getProperty("key_to"));
}
// log files
this.logName = config.getProperty("log_name");
this.JsonlogName = config.getProperty("json_log_name");
// interval
this.interval = Integer.valueOf(config.getProperty("interval"));
// times to crawl
if (config.containsKey("crawl_times")) {
this.requestedCrawlingTimes = Integer.valueOf(config.getProperty("crawl_times"));
}
// crawl start and end
this.startCrawlTimeStamp = CrawlTool.timeToUnixTime(config.getProperty("start_crawl_time"));
this.stopCrawlTimeStamp = CrawlTool.timeToUnixTime(config.getProperty("stop_crawl_time"));
// posts posted after this timestamp wont be crawled
this.stopCrawlPostTimeStamp =
CrawlTool.timeToUnixTime(config.getProperty("stop_crawl_post_time"));
// max page
if (config.containsKey("max_page_count")) {
this.maxPageCount = Integer.valueOf(config.getProperty("max_page_count"));
}
if (config.containsKey("count")) {
this.count = Integer.valueOf(config.getProperty("count"));
}
// User ID file
this.uidFileName = config.getProperty("uid_file_name");
if (config.containsKey("start_uid")) { // uid starting point
this.startingUid = config.getProperty("start_uid");
}
// init the appkey, uid
this.keyList =
CrawlTool.initAppkey(
Utils.getPath() + "/" + this.keyFileName, this.keysFrom, this.keysTo);
this.uidList =
CrawlTool.initUidList(Utils.getPath() + "/" + this.uidFileName, this.startingUid);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}