干脆放弃了Dispatch,直接使用Java API。令人失望,但它完成了工作。
val GNIP_URL = isDev match {
case true => "https://url/apath/track/dev.json"
case false => "https://url/path/track/prod.json"
}
val GNIP_CHARSET = "UTF-8"
override def preStart() = {
log.info("[tracker] Starting new Twitter PowerTrack connection to %s" format GNIP_URL)
val connection = getConnection(GNIP_URL, GNIP_USER, GNIP_PASSWORD)
val inputStream = connection.getInputStream()
val reader = new BufferedReader(new InputStreamReader(new StreamingGZIPInputStream(inputStream), GNIP_CHARSET))
var line = reader.readLine()
while(line != null){
println(line)
line = reader.readLine()
}
}
private def getConnection(urlString: String, user: String, password: String): HttpURLConnection = {
val url = new URL(urlString)
val connection = url.openConnection().asInstanceOf[HttpURLConnection]
connection.setReadTimeout(1000 * 60 * 60)
connection.setConnectTimeout(1000 * 10)
connection.setRequestProperty("Authorization", createAuthHeader(user, password));
connection.setRequestProperty("Accept-Encoding", "gzip")
connection
}
private def createAuthHeader(username: String, password: String) = {
val encoder = new BASE64Encoder()
val authToken = username+":"+password
"Basic "+encoder.encode(authToken.getBytes())
}
使用 GNIP 的示例:https ://github.com/gnip/support/blob/master/Premium%20Stream%20Connection/Java/StreamingConnection.java