Example usage for org.apache.commons.configuration SubsetConfiguration getStringArray

Introduction

In this page you can find the example usage for org.apache.commons.configuration SubsetConfiguration getStringArray.

Prototype

public String[] getStringArray(String key) 

Source Link

Document

Get an array of strings associated with the given configuration key.

Usage

From source file:com.zavakid.mushroom.filter.AbstractPatternFilter.java

@Override
public void init(SubsetConfiguration conf) {
    String patternString = conf.getString(INCLUDE_KEY);
    if (patternString != null && !patternString.isEmpty()) {
        LOG.debug("got include pattern: " + patternString);
        setIncludePattern(compile(patternString));
    }/*from  w w w. j ava  2 s.com*/
    patternString = conf.getString(EXCLUDE_KEY);
    if (patternString != null && !patternString.isEmpty()) {
        LOG.debug("got include pattern: " + patternString);
        setExcludePattern(compile(patternString));
    }
    String[] patternStrings = conf.getStringArray(INCLUDE_TAGS_KEY);
    if (patternStrings != null && patternStrings.length != 0) {
        LOG.debug("got include tags pattern: " + patternStrings);
        for (String pstr : patternStrings) {
            Matcher matcher = tagPattern.matcher(pstr);
            if (!matcher.matches()) {
                throw new MetricsException("Illegal tag pattern: " + pstr);
            }
            setIncludeTagPattern(matcher.group(1), compile(matcher.group(2)));
        }
    }
    patternStrings = conf.getStringArray(EXCLUDE_TAGS_KEY);
    if (patternStrings != null && patternStrings.length != 0) {
        LOG.debug("got exclude tags pattern: " + patternStrings);
        for (String pstr : patternStrings) {
            Matcher matcher = tagPattern.matcher(pstr);
            if (!matcher.matches()) {
                throw new MetricsException("Illegal tag pattern: " + pstr);
            }
            setExcludeTagPattern(matcher.group(1), compile(matcher.group(2)));
        }
    }
}

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From source file:org.apache.hadoop.metrics2.sink.timeline.HadoopTimelineMetricsSink.java

@Override
public void init(SubsetConfiguration conf) {
    LOG.info("Initializing Timeline metrics sink.");

    // Take the hostname from the DNS class.
    if (conf.getString("slave.host.name") != null) {
        hostName = conf.getString("slave.host.name");
    } else {/*from  w w  w.  ja  v a  2 s . c om*/
        try {
            hostName = DNS.getDefaultHost(conf.getString("dfs.datanode.dns.interface", "default"),
                    conf.getString("dfs.datanode.dns.nameserver", "default"));
        } catch (UnknownHostException uhe) {
            LOG.error(uhe);
            hostName = "UNKNOWN.example.com";
        }
    }

    serviceName = getServiceName(conf);

    LOG.info("Identified hostname = " + hostName + ", serviceName = " + serviceName);

    // Load collector configs
    metricsServers = Servers.parse(conf.getString(COLLECTOR_HOST_PROPERTY), 6188);

    if (metricsServers == null || metricsServers.isEmpty()) {
        LOG.error("No Metric collector configured.");
    } else {
        collectorUri = "http://" + conf.getString(COLLECTOR_HOST_PROPERTY).trim() + "/ws/v1/timeline/metrics";
    }

    LOG.info("Collector Uri: " + collectorUri);

    int maxRowCacheSize = conf.getInt(MAX_METRIC_ROW_CACHE_SIZE,
            TimelineMetricsCache.MAX_RECS_PER_NAME_DEFAULT);
    int metricsSendInterval = conf.getInt(METRICS_SEND_INTERVAL, TimelineMetricsCache.MAX_EVICTION_TIME_MILLIS); // ~ 1 min
    metricsCache = new TimelineMetricsCache(maxRowCacheSize, metricsSendInterval);

    conf.setListDelimiter(',');
    Iterator<String> it = (Iterator<String>) conf.getKeys();
    while (it.hasNext()) {
        String propertyName = it.next();
        if (propertyName != null && propertyName.startsWith(TAGS_FOR_PREFIX_PROPERTY_PREFIX)) {
            String contextName = propertyName.substring(TAGS_FOR_PREFIX_PROPERTY_PREFIX.length());
            String[] tags = conf.getStringArray(propertyName);
            boolean useAllTags = false;
            Set<String> set = null;
            if (tags.length > 0) {
                set = new HashSet<String>();
                for (String tag : tags) {
                    tag = tag.trim();
                    useAllTags |= tag.equals("*");
                    if (tag.length() > 0) {
                        set.add(tag);
                    }
                }
                if (useAllTags) {
                    set = null;
                }
            }
            useTagsMap.put(contextName, set);
        }
    }
}

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From source file:org.apache.hadoop.metrics2.sink.timeline.TimelineMetricsSink.java

@Override
public void init(SubsetConfiguration conf) {
    super.init(conf);

    int maxRowCacheSize = conf.getInt(MAX_METRIC_ROW_CACHE_SIZE,
            TimelineMetricsCache.MAX_RECS_PER_NAME_DEFAULT);
    int metricsSendInterval = conf.getInt(METRICS_SEND_INTERVAL, TimelineMetricsCache.MAX_EVICTION_TIME_MILLIS); // ~ 1 min
    metricsCache = new TimelineMetricsCache(maxRowCacheSize, metricsSendInterval);

    conf.setListDelimiter(',');
    Iterator<String> it = (Iterator<String>) conf.getKeys();
    while (it.hasNext()) {
        String propertyName = it.next();
        if (propertyName != null && propertyName.startsWith(TAGS_FOR_PREFIX_PROPERTY_PREFIX)) {
            String contextName = propertyName.substring(TAGS_FOR_PREFIX_PROPERTY_PREFIX.length());
            String[] tags = conf.getStringArray(propertyName);
            boolean useAllTags = false;
            Set<String> set = null;
            if (tags.length > 0) {
                set = new HashSet<String>();
                for (String tag : tags) {
                    tag = tag.trim();/*from  w  ww  .  ja va2s .  co m*/
                    useAllTags |= tag.equals("*");
                    if (tag.length() > 0) {
                        set.add(tag);
                    }
                }
                if (useAllTags) {
                    set = null;
                }
            }
            useTagsMap.put(contextName, set);
        }
    }
}

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