Example usage for org.apache.commons.io.input Tailer Tailer

Introduction

In this page you can find the example usage for org.apache.commons.io.input Tailer Tailer.

Prototype

public Tailer(File file, TailerListener listener) 

Source Link

Document

Creates a Tailer for the given file, starting from the beginning, with the default delay of 1.0s.

Usage

From source file:de.slackspace.wfail2ban.logfile.impl.ContinuousLogfileReader.java

@Override
protected void doParsing(Filter filter, FilterResultHandler callback) {
    TailerListener listener = new ContinuousTailerListener(filter, callback);
    Tailer tailer = new Tailer(new File(filter.getLogfilePath()), listener);

    ExecutorService executor = Executors.newFixedThreadPool(1);
    executor.submit(tailer);//ww  w .  j  av a  2s.c  o m
}

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From source file:org.apache.karaf.decanter.collector.file.DecanterTailerListener.java

@SuppressWarnings("unchecked")
@Activate/* ww  w.  j av  a 2 s  .c o m*/
public void activate(ComponentContext context) throws ConfigurationException {
    properties = context.getProperties();
    if (properties.get("type") == null) {
        throw new ConfigurationException("type", "type property is mandatory");
    }
    String type = (String) properties.get("type");
    if (properties.get("path") == null) {
        throw new ConfigurationException("path", "path property is mandatory");
    }
    String path = (String) properties.get("path");

    LOGGER.debug("Starting tail on {}", path);
    tailer = new Tailer(new File(path), this);
    Thread thread = new Thread(tailer, "Log Tailer for " + path);
    thread.start();
    this.type = type;
    this.path = path;
}

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From source file:org.wso2.carbon.event.input.adaptor.file.FileEventAdaptorType.java

private void createFileAdaptorListener(
        InputEventAdaptorMessageConfiguration inputEventAdaptorMessageConfiguration,
        InputEventAdaptorListener inputEventAdaptorListener,
        InputEventAdaptorConfiguration inputEventAdaptorConfiguration, AxisConfiguration axisConfiguration,
        String subscriptionId) {/*  w  w w .  j a  v a2s . com*/
    log.info("New subscriber added for " + inputEventAdaptorConfiguration.getName());

    ConcurrentHashMap<String, FileTailerManager> tailerManagerConcurrentHashMap = tailerMap
            .get(inputEventAdaptorConfiguration.getName());
    if (tailerManagerConcurrentHashMap == null) {
        tailerManagerConcurrentHashMap = new ConcurrentHashMap<String, FileTailerManager>();
        if (null != tailerMap.putIfAbsent(inputEventAdaptorConfiguration.getName(),
                tailerManagerConcurrentHashMap)) {
            tailerManagerConcurrentHashMap = tailerMap.get(inputEventAdaptorConfiguration.getName());
        }
    }

    String filepath = inputEventAdaptorMessageConfiguration.getInputMessageProperties()
            .get(FileEventAdaptorConstants.EVENT_ADAPTOR_CONF_FILEPATH);
    FileTailerManager fileTailerManager = tailerManagerConcurrentHashMap.get(filepath);

    if (fileTailerManager == null) {
        FileTailerListener listener = new FileTailerListener(new File(filepath).getName());
        Tailer tailer = new Tailer(new File(filepath), listener);
        fileTailerManager = new FileTailerManager(tailer, listener);
        listener.addListener(subscriptionId, inputEventAdaptorListener);
        tailerManagerConcurrentHashMap.put(filepath, fileTailerManager);
        threadPoolExecutor.execute(tailer);
    } else {
        fileTailerManager.getListener().addListener(subscriptionId, inputEventAdaptorListener);
    }
}

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