import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.spec.*; import java.security.*; import java.lang.management.*; import java.lang.ref.*; import java.lang.reflect.*; import java.net.*; import java.io.*; import javax.swing.table.*; import javax.swing.text.*; import javax.swing.event.*; import javax.swing.*; import java.util.concurrent.atomic.*; import java.util.concurrent.*; import java.util.regex.*; import java.util.List; import java.util.zip.*; import java.util.*; public class main { static String token = "xoxp-11444506721-15584660016-15602755169-10849bef29"; static String channelID = "C0FH9PY8J"; // #talkingbots public static void main(String[] args) throws Exception { String url = "https://slack.com/api/channels.history"; String postData = "token=" + urlencode(token) + "&channel=" + urlencode(channelID); String data = doPost(postData, url); print(data); } static StringBuffer print_log; static void print() { print(""); } static void print(Object o) { String s = String.valueOf(o) + "\n"; synchronized(StringBuffer.class) { if (print_log == null) print_log = new StringBuffer(); } print_log.append(s); System.out.print(s); } static void print(long l) { print(String.valueOf(l)); } static String doPost(String urlParameters, String url) { try { URL _url = new URL(url); return doPost(urlParameters, _url.openConnection(), _url); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static String doPost(String urlParameters, URLConnection conn, URL url) { try { // connect and do POST conn.setDoOutput(true); OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream()); writer.write(urlParameters); writer.flush(); String contents = loadPage(conn, url); writer.close(); return contents; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static String urlencode(String x) { try { return URLEncoder.encode(unnull(x), "UTF-8"); } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); } } static int l(Object[] array) { return array == null ? 0 : array.length; } static int l(List list) { return list == null ? 0 : list.size(); } static int l(String s) { return s == null ? 0 : s.length(); } public static String loadPageSilently(String url) { try { return loadPageSilently(new URL(loadPage_preprocess(url))); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadPageSilently(URL url) { try { IOException e = null; for (int tries = 0; tries < 5; tries++) try { URLConnection con = url.openConnection(); return loadPage(con, url); } catch (IOException _e) { e = _e; print("Retrying because of: " + e); } throw e; } catch (IOException e) { throw new RuntimeException(e); } } static String loadPage_preprocess(String url) { if (url.startsWith("tb/")) url = "tinybrain.de:8080/" + url; if (url.indexOf("://") < 0) url = "http://" + url; return url; } public static String loadPage(String url) { try { return loadPage(new URL(loadPage_preprocess(url))); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadPage(URL url) { print("Loading: " + url.toExternalForm()); return loadPageSilently(url); } public static String loadPage(URLConnection con, URL url) throws IOException { String contentType = con.getContentType(); if (contentType == null) throw new IOException("Page could not be read: " + url); //Log.info("Content-Type: " + contentType); String charset = loadPage_guessCharset(contentType); Reader r = new InputStreamReader(con.getInputStream(), charset); StringBuilder buf = new StringBuilder(); while (true) { int ch = r.read(); if (ch < 0) break; //Log.info("Chars read: " + buf.length()); buf.append((char) ch); } return buf.toString(); } static String loadPage_guessCharset(String contentType) { Pattern p = Pattern.compile("text/html;\\s+charset=([^\\s]+)\\s*"); Matcher m = p.matcher(contentType); /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */ return m.matches() ? m.group(1) : "ISO-8859-1"; } static String unnull(String s) { return s == null ? "" : s; } }