Examples with Pattern java.util.regex.Pattern used on opensource projects

Example 66 with Pattern

use of java.util.regex.Pattern in project zeppelin by apache.

the class NotebookServer method restoreFolder.

private void restoreFolder(NotebookSocket conn, HashSet<String> userAndRoles, Notebook notebook, Message fromMessage) throws SchedulerException, IOException {
    String folderId = (String) fromMessage.get("id");
    if (folderId == null) {
        return;
    }
    Folder folder = notebook.getFolder(folderId);
    if (folder != null && folder.isTrash()) {
        String restoreName = folder.getId().replaceFirst(Folder.TRASH_FOLDER_ID + "/", "").trim();
        // if the folder had conflict when it had moved to trash before
        Pattern p = Pattern.compile("\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}$");
        Matcher m = p.matcher(restoreName);
        restoreName = m.replaceAll("").trim();
        fromMessage.put("name", restoreName);
        renameFolder(conn, userAndRoles, notebook, fromMessage, "restore");
    }
}

Example 67 with Pattern

use of java.util.regex.Pattern in project zeppelin by apache.

the class MongoNotebookRepo method printDuplicatedException.

/**
   * MongoBulkWriteException contains error messages that inform
   * which documents were duplicated. This method catches those ID and print them.
   * @param e
   */
private void printDuplicatedException(MongoBulkWriteException e) {
    List<BulkWriteError> errors = e.getWriteErrors();
    for (BulkWriteError error : errors) {
        String msg = error.getMessage();
        // regex for note ID
        Pattern pattern = Pattern.compile("[A-Z0-9]{9}");
        Matcher matcher = pattern.matcher(msg);
        if (matcher.find()) {
            // if there were a note ID
            String noteId = matcher.group();
            LOG.warn("Note " + noteId + " not inserted since already exists in MongoDB");
        }
    }
}

Example 68 with Pattern

use of java.util.regex.Pattern in project zeppelin by apache.

the class InstallInterpreter method readAvailableInterpreters.

private void readAvailableInterpreters() throws IOException {
    if (!interpreterListFile.isFile()) {
        System.err.println("Can't find interpreter list " + interpreterListFile.getAbsolutePath());
        return;
    }
    String text = FileUtils.readFileToString(interpreterListFile);
    String[] lines = text.split("\n");
    Pattern pattern = Pattern.compile("(\\S+)\\s+(\\S+)\\s+(.*)");
    int lineNo = 0;
    for (String line : lines) {
        lineNo++;
        if (line == null || line.length() == 0 || line.startsWith("#")) {
            continue;
        }
        Matcher match = pattern.matcher(line);
        if (match.groupCount() != 3) {
            System.err.println("Error on line " + lineNo + ", " + line);
            continue;
        }
        match.find();
        String name = match.group(1);
        String artifact = match.group(2);
        String description = match.group(3);
        availableInterpreters.add(new AvailableInterpreterInfo(name, artifact, description));
    }
}

Example 69 with Pattern

use of java.util.regex.Pattern in project zookeeper by apache.

the class Log4JSource method init.

private void init() throws IOException {
    File f = new File(file);
    RandomAccessFileReader in = new RandomAccessFileReader(f);
    SimpleDateFormat dateformat = new SimpleDateFormat(DATE_FORMAT);
    Pattern idp = Pattern.compile("\\[myid:(\\d+)\\]");
    long lastFp = in.getPosition();
    String line = in.readLine();
    Matcher m = null;
    // if we have read data from the file, and it matchs the timep pattern
    if ((line != null) && (m = timep.matcher(line)).lookingAt()) {
        starttime = timestampFromText(dateformat, m.group(1));
    } else {
        throw new IOException("Invalid log4j format. First line doesn't start with time");
    }
    /*
	  Count number of log entries. Any line starting with a timestamp counts as an entry
	*/
    String lastentry = line;
    try {
        while (line != null) {
            m = timep.matcher(line);
            if (m.lookingAt()) {
                if (size % skipN == 0) {
                    long time = timestampFromText(dateformat, m.group(1));
                    skiplist.addMark(time, lastFp, size);
                }
                size++;
                lastentry = line;
            }
            if (serverid == 0 && (m = idp.matcher(line)).find()) {
                serverid = Integer.valueOf(m.group(1));
            }
            lastFp = in.getPosition();
            line = in.readLine();
        }
    } catch (EOFException eof) {
    // ignore, simply end of file, though really (line!=null) should have caught this
    } finally {
        in.close();
    }
    m = timep.matcher(lastentry);
    if (m.lookingAt()) {
        endtime = timestampFromText(dateformat, m.group(1));
    } else {
        throw new IOException("Invalid log4j format. Last line doesn't start with time");
    }
}

Example 70 with Pattern

use of java.util.regex.Pattern in project zookeeper by apache.

the class QuorumPeerMainTest method testBadPeerAddressInQuorum.

/**
     * Verify handling of bad quorum address
     */
@Test
public void testBadPeerAddressInQuorum() throws Exception {
    ClientBase.setupTestEnv();
    // setup the logger to capture all logs
    Layout layout = Logger.getRootLogger().getAppender("CONSOLE").getLayout();
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    WriterAppender appender = new WriterAppender(layout, os);
    appender.setThreshold(Level.WARN);
    Logger qlogger = Logger.getLogger("org.apache.zookeeper.server.quorum");
    qlogger.addAppender(appender);
    try {
        final int CLIENT_PORT_QP1 = PortAssignment.unique();
        final int CLIENT_PORT_QP2 = PortAssignment.unique();
        String quorumCfgSection = "server.1=127.0.0.1:" + PortAssignment.unique() + ":" + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\nserver.2=fee.fii.foo.fum:" + PortAssignment.unique() + ":" + PortAssignment.unique() + ";" + CLIENT_PORT_QP2;
        MainThread q1 = new MainThread(1, CLIENT_PORT_QP1, quorumCfgSection);
        q1.start();
        boolean isup = ClientBase.waitForServerUp("127.0.0.1:" + CLIENT_PORT_QP1, 30000);
        Assert.assertFalse("Server never came up", isup);
        q1.shutdown();
        Assert.assertTrue("waiting for server 1 down", ClientBase.waitForServerDown("127.0.0.1:" + CLIENT_PORT_QP1, ClientBase.CONNECTION_TIMEOUT));
    } finally {
        qlogger.removeAppender(appender);
    }
    LineNumberReader r = new LineNumberReader(new StringReader(os.toString()));
    String line;
    boolean found = false;
    Pattern p = Pattern.compile(".*Cannot open channel to .* at election address .*");
    while ((line = r.readLine()) != null) {
        found = p.matcher(line).matches();
        if (found) {
            break;
        }
    }
    Assert.assertTrue("complains about host", found);
}