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

Example 46 with Matcher

use of java.util.regex.Matcher in project druid by druid-io.

the class Granularity method getDateValues.

// Used by the toDate implementations.
final Integer[] getDateValues(String filePath, Formatter formatter) {
    Pattern pattern = defaultPathPattern;
    switch(formatter) {
        case DEFAULT:
        case LOWER_DEFAULT:
            break;
        case HIVE:
            pattern = hivePathPattern;
            break;
        default:
            throw new IAE("Format %s not supported", formatter);
    }
    Matcher matcher = pattern.matcher(filePath);
    // The size is "7" b/c this array contains standard
    // datetime field values namely:
    // year, monthOfYear, dayOfMonth, hourOfDay, minuteOfHour, secondOfMinute,
    // and index 0 is unused.
    Integer[] vals = new Integer[7];
    if (matcher.matches()) {
        for (int i = 1; i <= matcher.groupCount(); i++) {
            vals[i] = (matcher.group(i) != null) ? Integer.parseInt(matcher.group(i)) : null;
        }
    }
    return vals;
}

Example 47 with Matcher

use of java.util.regex.Matcher in project druid by druid-io.

the class RegexParser method parse.

@Override
public Map<String, Object> parse(String input) {
    try {
        final Matcher matcher = compiled.matcher(input);
        if (!matcher.matches()) {
            throw new ParseException("Incorrect Regex: %s . No match found.", pattern);
        }
        List<String> values = Lists.newArrayList();
        for (int i = 1; i <= matcher.groupCount(); i++) {
            values.add(matcher.group(i));
        }
        if (fieldNames == null) {
            setFieldNames(ParserUtils.generateFieldNames(values.size()));
        }
        return Utils.zipMapPartial(fieldNames, Iterables.transform(values, valueFunction));
    } catch (Exception e) {
        throw new ParseException(e, "Unable to parse row [%s]", input);
    }
}

Example 48 with Matcher

use of java.util.regex.Matcher in project elasticsearch by elastic.

the class Augmentation method replaceFirst.

/**
     * Replace the first match. Similar to {@link Matcher#replaceFirst(String)} but allows you to customize the replacement based on the
     * match.
     */
public static String replaceFirst(CharSequence receiver, Pattern pattern, Function<Matcher, String> replacementBuilder) {
    Matcher m = pattern.matcher(receiver);
    if (false == m.find()) {
        // CharSequqence's toString is *supposed* to always return the characters in the sequence as a String
        return receiver.toString();
    }
    StringBuffer result = new StringBuffer(initialBufferForReplaceWith(receiver));
    m.appendReplacement(result, Matcher.quoteReplacement(replacementBuilder.apply(m)));
    m.appendTail(result);
    return result.toString();
}

Example 49 with Matcher

use of java.util.regex.Matcher in project elasticsearch by elastic.

the class Augmentation method replaceAll.

// CharSequence augmentation
/**
     * Replace all matches. Similar to {@link Matcher#replaceAll(String)} but allows you to customize the replacement based on the match.
     */
public static String replaceAll(CharSequence receiver, Pattern pattern, Function<Matcher, String> replacementBuilder) {
    Matcher m = pattern.matcher(receiver);
    if (false == m.find()) {
        // CharSequqence's toString is *supposed* to always return the characters in the sequence as a String
        return receiver.toString();
    }
    StringBuffer result = new StringBuffer(initialBufferForReplaceWith(receiver));
    do {
        m.appendReplacement(result, Matcher.quoteReplacement(replacementBuilder.apply(m)));
    } while (m.find());
    m.appendTail(result);
    return result.toString();
}

Example 50 with Matcher

use of java.util.regex.Matcher in project elasticsearch by elastic.

the class RestReindexAction method buildRemoteInfo.

static RemoteInfo buildRemoteInfo(Map<String, Object> source) throws IOException {
    @SuppressWarnings("unchecked") Map<String, Object> remote = (Map<String, Object>) source.remove("remote");
    if (remote == null) {
        return null;
    }
    String username = extractString(remote, "username");
    String password = extractString(remote, "password");
    String hostInRequest = requireNonNull(extractString(remote, "host"), "[host] must be specified to reindex from a remote cluster");
    Matcher hostMatcher = HOST_PATTERN.matcher(hostInRequest);
    if (false == hostMatcher.matches()) {
        throw new IllegalArgumentException("[host] must be of the form [scheme]://[host]:[port] but was [" + hostInRequest + "]");
    }
    String scheme = hostMatcher.group("scheme");
    String host = hostMatcher.group("host");
    int port = Integer.parseInt(hostMatcher.group("port"));
    Map<String, String> headers = extractStringStringMap(remote, "headers");
    TimeValue socketTimeout = extractTimeValue(remote, "socket_timeout", RemoteInfo.DEFAULT_SOCKET_TIMEOUT);
    TimeValue connectTimeout = extractTimeValue(remote, "connect_timeout", RemoteInfo.DEFAULT_CONNECT_TIMEOUT);
    if (false == remote.isEmpty()) {
        throw new IllegalArgumentException("Unsupported fields in [remote]: [" + Strings.collectionToCommaDelimitedString(remote.keySet()) + "]");
    }
    return new RemoteInfo(scheme, host, port, queryForRemote(source), username, password, headers, socketTimeout, connectTimeout);
}