Example usage for org.apache.commons.vfs FileListener FileListener

Introduction

In this page you can find the example usage for org.apache.commons.vfs FileListener FileListener.

Prototype

FileListener

Source Link

Usage

From source file:com.collabnet.ccf.core.transformer.XsltProcessor.java

/**
 * Hook to perform any validation of the component properties required by
 * the implementation. Default behaviour should be a no-op.
 *///  w  w  w  . j  a  v  a2 s.  c  om
@SuppressWarnings("unchecked")
public void validate(List exceptions) {
    // we have to make this map thread safe because it will be
    // updated asynchronously
    xsltFileNameTransformerMap = Collections.synchronizedMap(new HashMap<String, Transformer>());
    if (isListenForFileUpdates()) {
        try {
            fsManager = VFS.getManager();
        } catch (FileSystemException e) {
            exceptions
                    .add(new ValidationException("could not initialize file manager: " + e.getMessage(), this));
            return;
        }
        fileMonitor = new DefaultFileMonitor(new FileListener() {
            public void fileChanged(org.apache.commons.vfs.FileChangeEvent arg0) throws Exception {
                xsltFileNameTransformerMap.clear();
            }

            public void fileCreated(FileChangeEvent arg0) throws Exception {
                xsltFileNameTransformerMap.clear();
            }

            public void fileDeleted(FileChangeEvent arg0) throws Exception {
                xsltFileNameTransformerMap.clear();
            }
        });
    }

    String xsltDir = this.getXsltDir();
    String xsltFile = this.getXsltFile();
    if (!StringUtils.isEmpty(xsltDir)) {
        File xsltDirFile = new File(xsltDir);
        if (xsltDirFile.exists() && xsltDirFile.isDirectory()) {
            log.debug("xsltDir property " + xsltDir + " is a valid directory");
            if (listenForFileUpdates) {
                FileObject fileObject = null;
                try {
                    fileObject = fsManager.resolveFile(xsltDirFile.getAbsolutePath());
                } catch (FileSystemException e) {
                    exceptions.add(new ValidationException(
                            "xsltDir property " + xsltDir + " is not a valid directory: " + e.getMessage(),
                            this));
                    return;
                }
                fileMonitor.setRecursive(true);
                fileMonitor.addFile(fileObject);
                fileMonitor.start();
            }

        } else {
            exceptions.add(new ValidationException(
                    "xsltDir property " + xsltDir + " is not a valid directory...!", this));
            return;
        }
    } else if (!StringUtils.isEmpty(xsltFile)) {
        File xsltFileFile = new File(xsltFile);
        if (xsltFileFile.exists() && xsltFileFile.isFile()) {
            log.debug("xsltFile property " + xsltFile + " is a valid file");
            if (listenForFileUpdates) {
                FileObject fileObject = null;
                try {
                    fileObject = fsManager.resolveFile(xsltFileFile.getAbsolutePath());
                } catch (FileSystemException e) {
                    exceptions.add(new ValidationException(
                            "xsltFile property " + xsltFile + " is not a valid file...:" + e.getMessage(),
                            this));
                    return;
                }
                fileMonitor.addFile(fileObject);
                fileMonitor.start();
            }
        } else {
            exceptions.add(new ValidationException("xsltFile property " + xsltFile + " is not a valid file...!",
                    this));
            return;
        }
    }
}

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From source file:com.collabnet.ccf.core.transformer.DynamicXsltProcessor.java

/**
 * Hook to perform any validation of the component properties required by
 * the implementation. Default behaviour should be a no-op.
 *///w ww.j a  v  a2 s  .c o m
@SuppressWarnings("unchecked")
public void validate(List exceptions) {
    // we have to make this map thread safe because it will be
    // updated asynchronously
    xsltFileNameTransformerMap = Collections.synchronizedMap(new HashMap<String, List<Transformer>>());
    if (isListenForFileUpdates()) {
        try {
            fsManager = VFS.getManager();
        } catch (FileSystemException e) {
            exceptions
                    .add(new ValidationException("could not initialize file manager: " + e.getMessage(), this));
            return;
        }
        fileMonitor = new DefaultFileMonitor(new FileListener() {
            public void fileChanged(org.apache.commons.vfs.FileChangeEvent arg0) throws Exception {
                xsltFileNameTransformerMap.clear();
            }

            public void fileCreated(FileChangeEvent arg0) throws Exception {
                xsltFileNameTransformerMap.clear();
            }

            public void fileDeleted(FileChangeEvent arg0) throws Exception {
                xsltFileNameTransformerMap.clear();
            }
        });
    }

    String xsltDir = this.getXsltDir();
    String xsltFile = this.getXsltFile();
    if (!StringUtils.isEmpty(xsltDir)) {
        File xsltDirFile = new File(xsltDir);
        if (xsltDirFile.exists() && xsltDirFile.isDirectory()) {
            log.debug("xsltDir property " + xsltDir + " is a valid directory");
            if (listenForFileUpdates) {
                FileObject fileObject = null;
                try {
                    fileObject = fsManager.resolveFile(xsltDirFile.getAbsolutePath());
                } catch (FileSystemException e) {
                    exceptions.add(new ValidationException(
                            "xsltDir property " + xsltDir + " is not a valid directory: " + e.getMessage(),
                            this));
                    return;
                }
                fileMonitor.setRecursive(true);
                fileMonitor.addFile(fileObject);
                fileMonitor.start();
            }
            if (scriptProcessors.isEmpty()) {
                log.warn("No scripts supplied, so dynamic XSLT processor will not change data at all");
            }
        } else {
            exceptions.add(new ValidationException(
                    "xsltDir property " + xsltDir + " is not a valid directory...!", this));
            return;
        }
    } else if (!StringUtils.isEmpty(xsltFile)) {
        File xsltFileFile = new File(xsltFile);
        if (xsltFileFile.exists() && xsltFileFile.isFile()) {
            log.debug("xsltFile property " + xsltFile + " is a valid file");
            if (listenForFileUpdates) {
                FileObject fileObject = null;
                try {
                    fileObject = fsManager.resolveFile(xsltFileFile.getAbsolutePath());
                } catch (FileSystemException e) {
                    exceptions.add(new ValidationException(
                            "xsltFile property " + xsltFile + " is not a valid file...:" + e.getMessage(),
                            this));
                    return;
                }
                fileMonitor.addFile(fileObject);
                fileMonitor.start();
            }
        } else {
            exceptions.add(new ValidationException("xsltFile property " + xsltFile + " is not a valid file...!",
                    this));
            return;
        }
    }
    factory = TransformerFactory.newInstance();
    if (isOnlyAllowWhiteListedJavaFunctionCalls()) {
        try {
            secureFactory = TransformerFactory.newInstance();
            secureFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
            secureFactory.setErrorListener(new XsltValidationErrorListener());
        } catch (TransformerConfigurationException e) {
            exceptions.add(new ValidationException(
                    "Setting secure processing feature on XSLT processor failed, bailing out since this feature is required by onlyAllowWhiteListedJavaFunctions property",
                    this));
            return;
        }
    }
}

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From source file:org.ambud.marauder.source.ids.IDSFileSource.java

@Override
public void configure(Context context) {
    super.configure(context);
    context = new Context(context.getSubProperties(getPrefix()));
    this.watchDirectory = new File(context.getString(PROP_DIRECTORY, getDefaultDirectory()));
    this.logBaseName = context.getString(PROP_BASE_NAME, getDefaultFilename());
    this.isSequential = context.getBoolean(PROP_IS_SEQUENTIAL, true);
    logger.info("Snort Source will spool/watch - " + this.watchDirectory.getAbsolutePath()
            + " for Snort log files whose names start with:" + this.logBaseName);
    FileSystemManager fsMgr = null;//w  w w  . j av  a 2s  .  c  o  m
    try {
        fsMgr = VFS.getManager();
    } catch (FileSystemException e) {
        Throwables.propagate(e);
    }
    try {
        this.watchObject = fsMgr.resolveFile(watchDirectory.getAbsolutePath());
    } catch (FileSystemException e) {
        Throwables.propagate(e);
    }
    this.monitor = new DefaultFileMonitor(new FileListener() {

        @Override
        public void fileChanged(FileChangeEvent arg0) throws Exception {
            // ignore these
        }

        @Override
        public void fileCreated(FileChangeEvent fileEvent) throws Exception {
            if (acceptFile(fileEvent.getFile().getName().getBaseName())) {
                logger.info("Acknowledged new file:" + fileEvent.getFile().getName().getPath());
                builderFileReader(fileEvent.getFile(), true);
            }
        }

        @Override
        public void fileDeleted(FileChangeEvent arg0) throws Exception {
            // acknowledge these
        }

    });
    int bufferSize = context.getInteger(PROP_BUFFER_SIZE, 500);
    this.outputQueue = new ArrayBlockingQueue<MarauderIDSEvent>(bufferSize);
}

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From source file:org.ambud.marauder.source.readers.MarauderPollingTextFileReader.java

public MarauderPollingTextFileReader(File file, int pollingInterval)
        throws FileNotFoundException, FileSystemException {
    super(file);//from www . j ava 2  s  .  c  o  m
    FileSystemManager fsMgr = VFS.getManager();
    FileObject fo = fsMgr.resolveFile(getFile().getAbsolutePath());
    this.monitor = new DefaultFileMonitor(new FileListener() {

        @Override
        public void fileDeleted(FileChangeEvent arg0) throws Exception {
            // can't do anything since the file is closed
            closeReader();
        }

        @Override
        public void fileCreated(FileChangeEvent arg0) throws Exception {
            // shouldn't happen if file already exist
        }

        @Override
        public void fileChanged(FileChangeEvent arg0) throws Exception {
            readFile();
        }
    });
    monitor.addFile(fo);
    monitor.setRecursive(false);
    monitor.setDelay(pollingInterval);
}

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From source file:org.ambud.marauder.source.snort.SnortSourceBack.java

@Override
public void configure(Context context) {
    super.configure(context);
    context = new Context(context.getSubProperties(PROP_PREFIX));
    this.watchDirectory = new File(context.getString(PROP_DIRECTORY, PROP_DEFAULT_DIR));
    this.logBaseName = context.getString(PROP_BASE_NAME, PROP_DEFAULT_FILENAME);
    this.isSequential = context.getBoolean(PROP_IS_SEQUENTIAL, true);
    logger.info("Snort Source will spool/watch - " + this.watchDirectory.getAbsolutePath()
            + " for Snort log files whose names start with:" + this.logBaseName);
    FileSystemManager fsMgr = null;//from w  w  w  .  j av a  2s  . co  m
    try {
        fsMgr = VFS.getManager();
    } catch (FileSystemException e) {
        Throwables.propagate(e);
    }
    try {
        this.watchObject = fsMgr.resolveFile(watchDirectory.getAbsolutePath());
    } catch (FileSystemException e) {
        Throwables.propagate(e);
    }
    this.monitor = new DefaultFileMonitor(new FileListener() {

        @Override
        public void fileChanged(FileChangeEvent arg0) throws Exception {
            // ignore these
        }

        @Override
        public void fileCreated(FileChangeEvent fileEvent) throws Exception {
            if (acceptFile(fileEvent.getFile().getName().getBaseName())) {
                logger.info("Acknowledged new file:" + fileEvent.getFile().getName().getPath());
                processFile(fileEvent.getFile(), true);
            }
        }

        @Override
        public void fileDeleted(FileChangeEvent arg0) throws Exception {
            // acknowledge these
        }

    });
    int bufferSize = context.getInteger("buffer.size", 500);
    this.outputQueue = new ArrayBlockingQueue<MarauderIDSEvent>(bufferSize);
}

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