Example usage for java.util.regex PatternSyntaxException toString

Introduction

In this page you can find the example usage for java.util.regex PatternSyntaxException toString.

Prototype

public String toString() 

Source Link

Document

Returns a short description of this throwable.

Usage

From source file:edu.umd.cs.findbugs.util.Strings.java

/**
 * Initialize regular expressions used in unescaping. This method will be
 * invoked automatically the first time a string is unescaped.
 *//*from   ww  w  .j  a  va 2  s  .co  m*/
public static boolean initializeUnescapePattern() {
    if (paternIsInitialized == true) {
        return true;
    }

    synchronized (unescapeInitLockObject) {
        if (paternIsInitialized == true) {
            return true;
        }

        try {
            unescapePattern = Pattern.compile(unicodeUnescapeMatchExpression);
        } catch (PatternSyntaxException pse) {
            /*
             * the pattern is compiled from a final string, so this
             * exception should never be thrown
             */
            System.err.println("Imposible error:  " + "static final regular expression pattern "
                    + "failed to compile.  Exception:  " + pse.toString());
            return false;
        }
        paternIsInitialized = true;
    }
    return true;
}

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From source file:org.sonews.daemon.command.ListCommand.java

private void printGroupInfo(NNTPConnection conn, String pattern) throws IOException, StorageBackendException {
    final List<Group> groups = Group.getAll();
    if (groups != null) {
        conn.println("215 list of newsgroups follows");
        for (Group g : groups) {
            try {
                Matcher matcher = pattern == null ? null : Pattern.compile(pattern).matcher(g.getName());
                if (!g.isDeleted() && (matcher == null || matcher.find())) {
                    String writeable = g.isWriteable() ? " y" : " n";
                    // Indeed first the higher article number then the lower
                    conn.println(g.getName() + " " + g.getLastArticleNumber() + " " + g.getFirstArticleNumber()
                            + writeable);
                }// w  w  w .j  a va 2 s . c om
            } catch (PatternSyntaxException ex) {
                Log.get().info(ex.toString());
            }
        }
        conn.println(".");
    } else {
        conn.println("500 server backend malfunction");
    }
}

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From source file:de.saly.elasticsearch.river.imap.IMAPRiver.java

public void once() throws MessagingException, IOException {

    mailDestination.startup();/*from w w  w. j av a  2  s  .  co m*/

    logger.debug("once() start");
    final MailFlowJob mfj = new MailFlowJob();
    try {
        mfj.setPattern(folderPattern == null ? null : Pattern.compile(folderPattern));
    } catch (final PatternSyntaxException e) {
        logger.error("folderpattern is invalid due to {}", e, e.toString());
    }
    mfj.setMailSource(mailSource);
    mfj.execute();
    logger.debug("once() end");
}

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From source file:de.saly.elasticsearch.river.imap.IMAPRiver.java

@Override
public void start() {
    logger.info("Start IMAPRiver ...");

    try {/* ww  w.  ja  v  a  2  s . c  o  m*/

        mailDestination.startup();

        sched = StdSchedulerFactory.getDefaultScheduler();

        if (sched.isShutdown()) {
            logger.error("Scheduler already down");
        }
        if (sched.isStarted()) {
            logger.error("Scheduler already started");
        }

        final JobDataMap jdm = new JobDataMap();
        jdm.put("mailSource", mailSource);

        try {
            if (folderPattern != null) {
                jdm.put("pattern", Pattern.compile(folderPattern));
            }
        } catch (final PatternSyntaxException e) {
            logger.error("folderpattern is invalid due to {}", e, e.toString());
        }

        final JobDetail job = newJob(MailFlowJob.class)
                .withIdentity(riverName + "-" + props.hashCode(), "group1").usingJobData(jdm).build();

        Trigger trigger = null;

        if (StringUtils.isEmpty(schedule)) {
            logger.info("Trigger interval is every {} seconds", interval.seconds());

            trigger = newTrigger().withIdentity("intervaltrigger", "group1").startNow()
                    .withSchedule(
                            simpleSchedule().withIntervalInSeconds((int) interval.seconds()).repeatForever())
                    .build();
        } else {

            logger.info("Trigger follows cron pattern {}", schedule);

            trigger = newTrigger().withIdentity("crontrigger", "group1").withSchedule(cronSchedule(schedule))
                    .build();
        }

        sched.scheduleJob(job, trigger);
        sched.start();
        logger.info("IMAPRiver started");

    } catch (final Exception e) {
        logger.error("Unable to start IMAPRiver due to " + e, e);
    }

}

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From source file:de.saly.elasticsearch.importer.imap.impl.IMAPImporter.java

public void once() throws MessagingException, IOException {

    for (int i = 0; i < mailSources.size(); i++) {

        MailSource mailSource = mailSources.get(i);
        mailSource.getMailDestination().startup();
        logger.debug("once() start");
        final MailFlowJob mfj = new MailFlowJob();
        try {//from   w w  w .ja v  a 2s . c  o  m
            mfj.setPattern(folderPattern == null ? null : Pattern.compile(folderPattern));
        } catch (final PatternSyntaxException e) {
            logger.error("folderpattern is invalid due to {}", e, e.toString());
        }
        mfj.setMailSource(mailSource);
        mfj.execute();
        logger.debug("once() end");
    }
}

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From source file:com.streamsets.pipeline.stage.origin.logtail.FileTailSource.java

private boolean validatePatternIsValidRegex(FileInfo fileInfo, List<ConfigIssue> issues) {
    try {//w  ww  .ja v a 2 s.com
        Pattern.compile(fileInfo.patternForToken);
    } catch (PatternSyntaxException ex) {
        issues.add(getContext().createConfigIssue(Groups.FILES.name(), FILE_TAIL_CONF_PREFIX + "fileInfos",
                Errors.TAIL_09, fileInfo.fileFullPath, fileInfo.patternForToken, ex.toString()));
        return false;
    }
    return true;
}

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From source file:org.apache.nutch.indexer.replace.FieldReplacer.java

/**
 * Create a FieldReplacer for a field.//  w  w w  . jav  a2  s  .  c  o m
 *
 * Any pattern exceptions are caught within this constructor and the object is
 * marked inValid. The error will be logged. This prevents this caller from
 * attempting invalid replacements.
 *
 * @param fieldName
 *          the name of the source field to operate on. Required.
 * @param toFieldName
 *          the name of the target field. Required.
 * @param pattern
 *          the pattern the field must match. Required.
 * @param replacement
 *          the replacement string
 * @param flags
 *          the Pattern flags value, or null if no flags are needed
 */
public FieldReplacer(String fieldName, String toFieldName, String pattern, String replacement, Integer flags) {

    this.isValid = true;
    // Must have a non-empty field name and pattern.
    if (fieldName == null || fieldName.trim().length() == 0) {
        LOG.error("Empty fieldName provided, FieldReplacer marked invalid.");
        this.isValid = false;
    }
    if (pattern == null || pattern.trim().length() == 0) {
        LOG.error("Empty pattern for field " + fieldName + "provided, FieldReplacer marked invalid.");
        this.isValid = false;
    }

    if (replacement == null) {
        this.replacement = "";
    } else {
        this.replacement = replacement;
    }

    this.fieldName = fieldName.trim();
    this.toFieldName = toFieldName.trim();

    if (this.isValid) {
        LOG.info("Compiling pattern " + pattern + " for field " + fieldName);
        Pattern myPattern = null;
        try {
            if (flags != null) {
                myPattern = Pattern.compile(pattern, flags);
            } else {
                myPattern = Pattern.compile(pattern);
            }
        } catch (PatternSyntaxException e) {
            LOG.error("Pattern " + pattern + " for field " + fieldName + " failed to compile: " + e.toString());
            this.isValid = false;
        }
        this.pattern = myPattern;
    } else {
        this.pattern = null;
    }
}

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