import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.NoSuchAlgorithmException; import java.security.MessageDigest; import java.lang.reflect.*; import java.net.*; import java.io.*; 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 { public static void main(String[] args) throws Exception { String s = loadSnippet("#1000867"); List tok = javaTok(s); print("synchroList: " + hasInvocation(tok, "synchroList")); } static boolean hasInvocation(List tok, String f) { for (int i = 1; i < tok.size(); i += 2) { if (tok.get(i).equals(f)) if (i == 1 || !tok.get(i-2).equals(".")) return true; } return false; } // replacement for class JavaTok // maybe incomplete, might want to add floating point numbers // todo also: extended multi-line strings static List javaTok(String s) { List tok = new ArrayList(); int l = s.length(); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); // cc is not needed in rest of loop body cc = s.substring(i, Math.min(i+2, l)); // scan for non-whitespace if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && Character.isJavaIdentifierPart(s.charAt(j))); else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else if (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static void print() { System.out.println(); } static void print(Object o) { System.out.println(o); } static void print(long i) { System.out.println(i); } static boolean preferCached = false; public static String loadSnippet(String snippetID) throws IOException { return loadSnippet(parseSnippetID(snippetID), preferCached); } public static String loadSnippet(String snippetID, boolean preferCached) throws IOException { return loadSnippet(parseSnippetID(snippetID), preferCached); } public static String loadSnippet(long snippetID, boolean preferCached) throws IOException { initSnippetCache(); String text = DiskSnippetCache_get(snippetID); if (preferCached && text != null) return text; try { if (text != null) System.err.println("md5: " + md5(text)); URL url = new URL("http://tinybrain.de:8080/getraw.php?id=" + snippetID); text = loadPage(url); } catch (FileNotFoundException e) { throw new IOException("Snippet #" + snippetID + " not found or not public"); } try { initSnippetCache(); DiskSnippetCache_put(snippetID, text); } catch (IOException e) { System.err.println("Minor warning: Couldn't save snippet to cache (" + DiskSnippetCache_getDir() + ")"); } return text; } static File DiskSnippetCache_dir; public static void initDiskSnippetCache(File dir) { DiskSnippetCache_dir = dir; dir.mkdirs(); } public static synchronized String DiskSnippetCache_get(long snippetID) throws IOException { return loadTextFile(DiskSnippetCache_getFile(snippetID).getPath(), null); } private static File DiskSnippetCache_getFile(long snippetID) { return new File(DiskSnippetCache_dir, "" + snippetID); } public static synchronized void DiskSnippetCache_put(long snippetID, String snippet) throws IOException { saveTextFile(DiskSnippetCache_getFile(snippetID).getPath(), snippet); } public static File DiskSnippetCache_getDir() { return DiskSnippetCache_dir; } public static void initSnippetCache() { if (DiskSnippetCache_dir == null) initDiskSnippetCache(new File(System.getProperty("user.home"), ".tinybrain/snippet-cache")); } static String md5(String text) { try { return bytesToHex(md5_impl(text.getBytes("UTF-8"))); // maybe different than the way PHP does it... } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } public static byte[] md5_impl(byte[] data) { try { return MessageDigest.getInstance("MD5").digest(data); } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } /** writes safely (to temp file, then rename) */ public static void saveTextFile(String fileName, String contents) throws IOException { File file = new File(fileName); File parentFile = file.getParentFile(); if (parentFile != null) parentFile.mkdirs(); String tempFileName = fileName + "_temp"; if (contents != null) { FileOutputStream fileOutputStream = new FileOutputStream(tempFileName); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8"); PrintWriter printWriter = new PrintWriter(outputStreamWriter); printWriter.print(contents); printWriter.close(); } if (file.exists() && !file.delete()) throw new IOException("Can't delete " + fileName); if (contents != null) if (!new File(tempFileName).renameTo(file)) throw new IOException("Can't rename " + tempFileName + " to " + fileName); } public static void saveTextFile(File fileName, String contents) { try { saveTextFile(fileName.getPath(), contents); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(String fileName) { try { return loadTextFile(fileName, null); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(String fileName, String defaultContents) throws IOException { if (!new File(fileName).exists()) return defaultContents; FileInputStream fileInputStream = new FileInputStream(fileName); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8"); return loadTextFile(inputStreamReader); } public static String loadTextFile(File fileName) { try { return loadTextFile(fileName, null); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(File fileName, String defaultContents) throws IOException { try { return loadTextFile(fileName.getPath(), defaultContents); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(Reader reader) throws IOException { StringBuilder builder = new StringBuilder(); try { char[] buffer = new char[1024]; int n; while (-1 != (n = reader.read(buffer))) builder.append(buffer, 0, n); } finally { reader.close(); } return builder.toString(); } public static String loadPage(String url) throws IOException { if(url.startsWith("tb/")) url = "tinybrain.de:8080/" + url; if (url.indexOf("://") < 0) url = "http://" + url; return loadPage(new URL(url)); } public static String loadPage(URL url) throws IOException { System.out.println("Loading: " + url.toExternalForm()); URLConnection con = url.openConnection(); return loadPage(con, 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"; } public static long parseSnippetID(String snippetID) { return Long.parseLong(shortenSnippetID(snippetID)); } public static String bytesToHex(byte[] bytes) { return bytesToHex(bytes, 0, bytes.length); } public static String bytesToHex(byte[] bytes, int ofs, int len) { StringBuilder stringBuilder = new StringBuilder(len*2); for (int i = 0; i < len; i++) { String s = "0" + Integer.toHexString(bytes[ofs+i]); stringBuilder.append(s.substring(s.length()-2, s.length())); } return stringBuilder.toString(); } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return snippetID; } }