Example usage for java.util.regex Matcher groupCount

List of usage examples for java.util.regex Matcher groupCount

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Introduction

In this page you can find the example usage for java.util.regex Matcher groupCount.

Prototype

public int groupCount()

Source Link

Document

Returns the number of capturing groups in this matcher's pattern.

Usage

From source file:com.tmall.wireless.tangram3.util.Utils.java

public static float getImageRatio(String imageUrl) {
    if (TextUtils.isEmpty(imageUrl))
        return Float.NaN;

    try {/*from   ww w  .j  av  a2  s. c o m*/
        Matcher matcher = REGEX_1.matcher(imageUrl);
        String widthStr;
        String heightStr;
        if (matcher.find()) {
            if (matcher.groupCount() >= 2) {
                widthStr = matcher.group(1);
                heightStr = matcher.group(2);
                if (widthStr.length() < 5 && heightStr.length() < 5) {
                    int urlWidth = Integer.parseInt(widthStr);
                    int urlHeight = Integer.parseInt(heightStr);

                    if (urlWidth == 0 || urlHeight == 0) {
                        return 1;
                    }
                    return (float) urlWidth / urlHeight;
                }
            }
        } else {
            matcher = REGEX_2.matcher(imageUrl);
            if (matcher.find()) {
                if (matcher.groupCount() >= 2) {
                    widthStr = matcher.group(1);
                    heightStr = matcher.group(2);
                    if (widthStr.length() < 5 && heightStr.length() < 5) {
                        int urlWidth = Integer.parseInt(widthStr);
                        int urlHeight = Integer.parseInt(heightStr);

                        if (urlWidth == 0 || urlHeight == 0) {
                            return 1;
                        }
                        return (float) urlWidth / urlHeight;
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return Float.NaN;
}

From source file:com.tmall.wireless.tangram3.util.Utils.java

/**
 * <pre>/*from www.j  a va  2 s.c o m*/
 * parse image ratio from imageurl with regex as follows:
 * (\d+)-(\d+)(_?q\d+)?(\.[jpg|png|gif])
 * (\d+)x(\d+)(_?q\d+)?(\.[jpg|png|gif])
 *
 * samples urls:
 * http://img.alicdn.com/tps/i1/TB1x623LVXXXXXZXFXXzo_ZPXXX-372-441.png --> return 372/441
 * http://img.alicdn.com/tps/i1/TB1P9AdLVXXXXa_XXXXzo_ZPXXX-372-441.png --> return 372/441
 * http://img.alicdn.com/tps/i1/TB1NZxRLFXXXXbwXFXXzo_ZPXXX-372-441.png --> return 372/441
 * http://img07.taobaocdn.com/tfscom/T10DjXXn4oXXbSV1s__105829.jpg_100x100.jpg --> return 100/100
 * http://img07.taobaocdn.com/tfscom/T10DjXXn4oXXbSV1s__105829.jpg_100x100q90.jpg --> return 100/100
 * http://img07.taobaocdn.com/tfscom/T10DjXXn4oXXbSV1s__105829.jpg_100x100q90.jpg_.webp --> return 100/100
 * http://img03.taobaocdn.com/tps/i3/T1JYROXuRhXXajR_DD-1680-446.jpg_q50.jpg --> return 1680/446
 * </pre>
 *
 * @param imageUrl image url
 * @return ratio of with to height parsed from url
 */
public static Pair<Integer, Integer> getImageSize(String imageUrl) {
    if (TextUtils.isEmpty(imageUrl)) {
        return null;
    }

    if (imageSizeMap.get(imageUrl) != null) {
        return imageSizeMap.get(imageUrl);
    }

    try {
        Matcher matcher = REGEX_1.matcher(imageUrl);
        String widthStr;
        String heightStr;
        if (matcher.find()) {
            if (matcher.groupCount() >= 2) {
                widthStr = matcher.group(1);
                heightStr = matcher.group(2);
                if (widthStr.length() < 5 && heightStr.length() < 5) {
                    int urlWidth = Integer.parseInt(widthStr);
                    int urlHeight = Integer.parseInt(heightStr);
                    Pair<Integer, Integer> result = new Pair<>(urlWidth, urlHeight);
                    imageSizeMap.put(imageUrl, result);
                    return result;
                }
            }
        } else {
            matcher = REGEX_2.matcher(imageUrl);
            if (matcher.find()) {
                if (matcher.groupCount() >= 2) {
                    widthStr = matcher.group(1);
                    heightStr = matcher.group(2);
                    if (widthStr.length() < 5 && heightStr.length() < 5) {
                        int urlWidth = Integer.parseInt(widthStr);
                        int urlHeight = Integer.parseInt(heightStr);
                        Pair<Integer, Integer> result = new Pair<>(urlWidth, urlHeight);
                        imageSizeMap.put(imageUrl, result);
                        return result;
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return null;
}

From source file:org.apache.metron.stellar.common.shell.cli.StellarShellOptionsValidator.java

/**
 * Zookeeper argument should be in the form [HOST|IP]:PORT.
 *
 * @param zMulti the zookeeper url fragment
 *///from   w  w  w.ja  v a 2s.  co m
private static void validateZookeeperOption(String zMulti) throws IllegalArgumentException {
    for (String z : Splitter.on(",").split(zMulti)) {
        Matcher matcher = validPortPattern.matcher(z);
        boolean hasPort = z.contains(":");
        if (hasPort && !matcher.matches()) {
            throw new IllegalArgumentException(String.format("Zookeeper option must have valid port: %s", z));
        }

        if (hasPort && matcher.groupCount() != 2) {
            throw new IllegalArgumentException(
                    String.format("Zookeeper Option must be in the form of [HOST|IP]:PORT  %s", z));
        }
        String name = hasPort ? matcher.group(1) : z;
        Integer port = hasPort ? Integer.parseInt(matcher.group(2)) : null;

        if (!hostnameValidator.test(name) && !inetAddressValidator.isValid(name)) {
            throw new IllegalArgumentException(
                    String.format("Zookeeper Option %s is not a valid host name or ip address  %s", name, z));
        }

        if (hasPort && (port == 0 || port > 65535)) {
            throw new IllegalArgumentException(String.format("Zookeeper Option %s port is not valid", z));
        }
    }
}

From source file:net.algart.simagis.live.json.minimal.SimagisLiveUtils.java

public static JSONObject parseArgs(String... args) {
    final Pattern[] opts = new Pattern[] { Pattern.compile("^--([\\w\\d\\-]++)"),
            Pattern.compile("^-([\\w\\d\\-]++)"), Pattern.compile("^--([\\w\\d\\-]++)=(.*)"),
            Pattern.compile("^-([\\w\\d\\-]++)=(.*)") };
    final JSONObject result = new JSONObject();
    final JSONArray resultArgs = openArray(result, "args");
    final JSONArray resultValues = openArray(result, "values");
    final JSONObject options = openObject(result, "options");
    args: for (final String arg : args) {
        resultArgs.put(arg);//w w  w  .jav a2  s  . com
        for (final Pattern opt : opts) {
            final Matcher matcher = opt.matcher(arg);
            if (matcher.matches()) {
                try {
                    switch (matcher.groupCount()) {
                    case 1:
                        options.put(matcher.group(1), true);
                        break;
                    case 2:
                        options.put(matcher.group(1), matcher.group(2));
                        break;
                    }
                } catch (JSONException e) {
                    throw new AssertionError(e);
                }
                continue args;
            }
        }
        resultValues.put(arg);
    }
    return result;
}

From source file:org.apache.nifi.authorization.util.IdentityMappingUtil.java

/**
 * Checks the given identity against each provided mapping and performs the mapping using the first one that matches.
 * If none match then the identity is returned as is.
 *
 * @param identity the identity to map/*w w w.  j  a va2  s .  co m*/
 * @param mappings the mappings
 * @return the mapped identity, or the same identity if no mappings matched
 */
public static String mapIdentity(final String identity, List<IdentityMapping> mappings) {
    for (IdentityMapping mapping : mappings) {
        Matcher m = mapping.getPattern().matcher(identity);
        if (m.matches()) {
            final String pattern = mapping.getPattern().pattern();
            final String replacementValue = escapeLiteralBackReferences(mapping.getReplacementValue(),
                    m.groupCount());
            return identity.replaceAll(pattern, replacementValue);
        }
    }

    return identity;
}

From source file:br.com.blackhubos.commandteleporter.Framework.java

public static Location toLocation(final String serial) {
    final Pattern pattern = Pattern.compile(
            "^World\\s*\\[([a-zA-Z0-9_-]+)\\]\\s*X\\s*\\[([0-9-]+)\\]\\s*Y\\s*\\[([0-9-]+)\\]\\s*Z\\s*\\[([0-9-]+)\\](\\s*Yaw\\s*\\[([0-9-\\.]+)\\]\\s*Pitch\\s*\\[([0-9-\\.]+)\\])?");
    final Matcher m = pattern.matcher(serial);
    if (m.matches()) {
        if ((m.groupCount() >= 5) && (m.group(5) != null) && (m.group(6) != null) && (m.group(7) != null)) {
            return new Location(Framework.getWorld(m.group(1)), Integer.parseInt(m.group(2)),
                    Integer.parseInt(m.group(3)), Integer.parseInt(m.group(4)), Float.parseFloat(m.group(6)),
                    Float.parseFloat(m.group(7)));
        } else {/*from ww  w  .j  a v  a2 s. c o  m*/
            return new Location(Framework.getWorld(m.group(1)), Integer.parseInt(m.group(2)),
                    Integer.parseInt(m.group(3)), Integer.parseInt(m.group(4)));
        }
    } else {
        return null;
    }
}

From source file:com.linkedin.drelephant.util.MemoryFormatUtils.java

/**
 * Convert a formatted string into a long value in bytes.
 * This method handles//from  www .java 2 s  . com
 *
 * @param formattedString The string to convert
 * @return The bytes value
 */
public static long stringToBytes(String formattedString) {
    if (formattedString == null) {
        return 0L;
    }

    Matcher matcher = REGEX_MATCHER.matcher(formattedString);
    if (!matcher.matches()) {
        throw new IllegalArgumentException("The formatted string [" + formattedString
                + "] does not match with the regex /" + REGEX_MATCHER.toString() + "/");
    }
    if (matcher.groupCount() != 1 && matcher.groupCount() != 2) {
        throw new IllegalArgumentException();
    }

    double numPart = Double.parseDouble(matcher.group(1));
    if (numPart < 0) {
        throw new IllegalArgumentException(
                "The number part of the memory cannot be less than zero: [" + numPart + "].");
    }
    String unitPart = matcher.groupCount() == 2 ? matcher.group(2).toUpperCase() : "";
    if (!unitPart.endsWith("B")) {
        unitPart += "B";
    }
    for (int i = 0; i < UNITS.length; i++) {
        if (unitPart.equals(UNITS[i].getName())) {
            return (long) (numPart * UNITS[i].getBytes());
        }
    }
    throw new IllegalArgumentException("The formatted string [" + formattedString + "] 's unit part ["
            + unitPart
            + "] does not match any unit. The supported units are (case-insensitive, and also the 'B' is ignorable): ["
            + StringUtils.join(UNITS) + "].");
}

From source file:jp.go.nict.langrid.servicesupervisor.frontend.FrontEnd.java

private static String getSoapRpcencodedCallTree(InputStream body) throws IOException {
    Matcher m = soapct.matcher(StreamUtil.readAsString(body, CharsetUtil.newUTF8Decoder()));
    if (!m.find())
        return "";
    if (m.groupCount() != 3)
        return "";
    return StringEscapeUtils.unescapeHtml(m.group(2));
}

From source file:org.apache.roller.weblogger.config.PingConfig.java

/**
 * Initialize the common ping targets from the configuration properties. If the current list of common ping targets
 * is empty, and the <code>PINGS_INITIAL_COMMON_TARGETS_PROP</code> property is present in the configuration then,
 * this method will use that value to initialize the common targets.  This is called on each server startup.
 * <p/>//from  ww  w  .ja va  2  s . c  o m
 * Note: this is expected to be called during initialization  with transaction demarcation being handled by the
 * caller.
 *
 * @see org.apache.roller.weblogger.ui.core.RollerContext#contextInitialized(javax.servlet.ServletContextEvent)
 */
public static void initializeCommonTargets() throws WebloggerException {
    String configuredVal = WebloggerConfig.getProperty(PINGS_INITIAL_COMMON_TARGETS_PROP);
    if (configuredVal == null || configuredVal.trim().length() == 0) {
        if (logger.isDebugEnabled()) {
            logger.debug("No (or empty) value of " + PINGS_INITIAL_COMMON_TARGETS_PROP
                    + " present in the configuration.  Skipping initialization of commmon targets.");
        }
        return;
    }
    PingTargetManager pingTargetMgr = WebloggerFactory.getWeblogger().getPingTargetManager();
    if (!pingTargetMgr.getCommonPingTargets().isEmpty()) {
        if (logger.isDebugEnabled()) {
            logger.debug(
                    "Some common ping targets are present in the database already.  Skipping initialization.");
        }
        return;
    }

    String[] configuredTargets = configuredVal.trim().split(",");
    for (int i = 0; i < configuredTargets.length; i++) {
        // Trim space around the target spec
        String thisTarget = configuredTargets[i].trim();
        // skip empty ones
        if (thisTarget.length() == 0)
            continue;
        // parse the ith target and store it
        Matcher m = NESTED_BRACE_PAIR.matcher(thisTarget);
        if (m.matches() && m.groupCount() == 2) {
            String name = m.group(1).trim();
            String url = m.group(2).trim();
            logger.info("Creating common ping target '" + name + "' from configuration properties.");
            PingTarget pingTarget = new PingTarget(null, name, url, null, false);
            pingTargetMgr.savePingTarget(pingTarget);
        } else {
            logger.error("Unable to parse configured initial ping target '" + thisTarget
                    + "'. Skipping this target. Check your setting of the property "
                    + PINGS_INITIAL_COMMON_TARGETS_PROP);
        }
    }
}

From source file:org.apache.roller.weblogger.config.PingConfig.java

/**
 * Initialize known ping variants from the configuration.
 *//*w w w  . ja v a2 s  . c  o  m*/
public static void initializePingVariants() {
    String configuredVal = WebloggerConfig.getProperty(PINGS_VARIANT_OPTIONS_PROP);
    if (configuredVal == null || configuredVal.trim().length() == 0) {
        if (logger.isDebugEnabled()) {
            logger.debug("No (or empty) value of " + PINGS_VARIANT_OPTIONS_PROP
                    + " present in the configuration.  Skipping initialization of ping variants.");
        }
        return;
    }
    String[] variants = configuredVal.trim().split(",");
    for (int i = 0; i < variants.length; i++) {
        String thisVariant = variants[i].trim();
        if (thisVariant.length() == 0)
            continue;
        Matcher m = NESTED_BRACE_PAIR.matcher(thisVariant);
        if (m.matches() && m.groupCount() == 2) {
            String url = m.group(1).trim();
            String optionsList = m.group(2).trim();
            Set variantOptions = new HashSet();
            String[] options = optionsList.split(",");
            for (int j = 0; j < options.length; j++) {
                String option = options[j].trim().toLowerCase();
                if (option.length() > 0) {
                    variantOptions.add(option);
                }
            }
            if (!variantOptions.isEmpty()) {
                configuredVariants.put(url, variantOptions);
            } else {
                logger.warn("Ping variant entry for url '" + url
                        + "' has an empty variant options list.  Ignored.");
            }
        } else {
            logger.error("Unable to parse configured ping variant '" + thisVariant
                    + "'. Skipping this variant. Check your setting of the property "
                    + PINGS_VARIANT_OPTIONS_PROP);
        }
    }
}