Examples with FileAlterationListener org.apache.commons.io.monitor.FileAlterationListener used on opensource projects

Example 1 with FileAlterationListener

use of org.apache.commons.io.monitor.FileAlterationListener in project tutorials by eugenp.

the class FileMonitor method startFileMonitor.

/**
 * @param folder
 * @throws Exception
 */
public static void startFileMonitor(File folder) throws Exception {
    FileAlterationObserver observer = new FileAlterationObserver(folder);
    FileAlterationMonitor monitor = new FileAlterationMonitor(5000);
    FileAlterationListener fal = new FileAlterationListenerAdaptor() {

        @Override
        public void onFileCreate(File file) {
        // on create action
        }

        @Override
        public void onFileDelete(File file) {
        // on delete action
        }
    };
    observer.addListener(fal);
    monitor.addObserver(observer);
    monitor.start();
}

Example 2 with FileAlterationListener

use of org.apache.commons.io.monitor.FileAlterationListener in project syncope by apache.

the class SyncopeEnduserApplication method init.

@Override
protected void init() {
    super.init();
    // read enduser.properties
    Properties props = PropertyUtils.read(getClass(), ENDUSER_PROPERTIES, "enduser.directory").getLeft();
    domain = props.getProperty("domain", SyncopeConstants.MASTER_DOMAIN);
    adminUser = props.getProperty("adminUser");
    Args.notNull(adminUser, "<adminUser>");
    anonymousUser = props.getProperty("anonymousUser");
    Args.notNull(anonymousUser, "<anonymousUser>");
    anonymousKey = props.getProperty("anonymousKey");
    Args.notNull(anonymousKey, "<anonymousKey>");
    captchaEnabled = Boolean.parseBoolean(props.getProperty("captcha"));
    Args.notNull(captchaEnabled, "<captcha>");
    xsrfEnabled = Boolean.parseBoolean(props.getProperty("xsrf"));
    Args.notNull(xsrfEnabled, "<xsrf>");
    String scheme = props.getProperty("scheme");
    Args.notNull(scheme, "<scheme>");
    String host = props.getProperty("host");
    Args.notNull(host, "<host>");
    String port = props.getProperty("port");
    Args.notNull(port, "<port>");
    String rootPath = props.getProperty("rootPath");
    Args.notNull(rootPath, "<rootPath>");
    String useGZIPCompression = props.getProperty("useGZIPCompression");
    Args.notNull(useGZIPCompression, "<useGZIPCompression>");
    maxUploadFileSizeMB = props.getProperty("maxUploadFileSizeMB") == null ? null : Integer.valueOf(props.getProperty("maxUploadFileSizeMB"));
    clientFactory = new SyncopeClientFactoryBean().setAddress(scheme + "://" + host + ":" + port + "/" + rootPath).setContentType(SyncopeClientFactoryBean.ContentType.JSON).setUseCompression(BooleanUtils.toBoolean(useGZIPCompression));
    // read customForm.json
    try (InputStream is = getClass().getResourceAsStream("/" + CUSTOM_FORM_FILE)) {
        customForm = MAPPER.readValue(is, new TypeReference<HashMap<String, CustomAttributesInfo>>() {
        });
        File enduserDir = new File(props.getProperty("enduser.directory"));
        boolean existsEnduserDir = enduserDir.exists() && enduserDir.canRead() && enduserDir.isDirectory();
        if (existsEnduserDir) {
            File customFormFile = FileUtils.getFile(enduserDir, CUSTOM_FORM_FILE);
            if (customFormFile.exists() && customFormFile.canRead() && customFormFile.isFile()) {
                customForm = MAPPER.readValue(FileUtils.openInputStream(customFormFile), new TypeReference<HashMap<String, CustomAttributesInfo>>() {
                });
            }
        }
        FileAlterationObserver observer = existsEnduserDir ? new FileAlterationObserver(enduserDir, pathname -> StringUtils.contains(pathname.getPath(), CUSTOM_FORM_FILE)) : new FileAlterationObserver(getClass().getResource("/" + CUSTOM_FORM_FILE).getFile(), pathname -> StringUtils.contains(pathname.getPath(), CUSTOM_FORM_FILE));
        FileAlterationMonitor monitor = new FileAlterationMonitor(5000);
        FileAlterationListener listener = new FileAlterationListenerAdaptor() {

            @Override
            public void onFileChange(final File file) {
                try {
                    LOG.trace("{} has changed. Reloading form customization configuration.", CUSTOM_FORM_FILE);
                    customForm = MAPPER.readValue(FileUtils.openInputStream(file), new TypeReference<HashMap<String, CustomAttributesInfo>>() {
                    });
                } catch (IOException e) {
                    e.printStackTrace(System.err);
                }
            }

            @Override
            public void onFileCreate(final File file) {
                try {
                    LOG.trace("{} has been created. Loading form customization configuration.", CUSTOM_FORM_FILE);
                    customForm = MAPPER.readValue(FileUtils.openInputStream(file), new TypeReference<HashMap<String, CustomAttributesInfo>>() {
                    });
                } catch (IOException e) {
                    e.printStackTrace(System.err);
                }
            }

            @Override
            public void onFileDelete(final File file) {
                LOG.trace("{} has been deleted. Resetting form customization configuration.", CUSTOM_FORM_FILE);
                customForm = null;
            }
        };
        observer.addListener(listener);
        monitor.addObserver(observer);
        monitor.start();
    } catch (Exception e) {
        throw new WicketRuntimeException("Could not read " + CUSTOM_FORM_FILE, e);
    }
    // mount resources
    ClassPathScanImplementationLookup classPathScanImplementationLookup = (ClassPathScanImplementationLookup) getServletContext().getAttribute(EnduserInitializer.CLASSPATH_LOOKUP);
    for (final Class<? extends AbstractResource> resource : classPathScanImplementationLookup.getResources()) {
        Resource annotation = resource.getAnnotation(Resource.class);
        if (annotation == null) {
            LOG.debug("No @Resource annotation found on {}, ignoring", resource.getName());
        } else {
            try {
                final AbstractResource instance = resource.newInstance();
                mountResource(annotation.path(), new ResourceReference(annotation.key()) {

                    private static final long serialVersionUID = -128426276529456602L;

                    @Override
                    public IResource getResource() {
                        return instance;
                    }
                });
            } catch (Exception e) {
                LOG.error("Could not instantiate {}", resource.getName(), e);
            }
        }
    }
    // mount captcha resource only if captcha is enabled
    if (captchaEnabled) {
        mountResource("/api/captcha", new ResourceReference("captcha") {

            private static final long serialVersionUID = -128426276529456602L;

            @Override
            public IResource getResource() {
                return new CaptchaResource();
            }
        });
    }
}

Example 3 with FileAlterationListener

use of org.apache.commons.io.monitor.FileAlterationListener in project tutorials by eugenp.

the class DirectoryMonitoringExample method main.

public static void main(String[] args) throws Exception {
    FileAlterationObserver observer = new FileAlterationObserver(System.getProperty("user.home"));
    FileAlterationMonitor monitor = new FileAlterationMonitor(POLL_INTERVAL);
    FileAlterationListener listener = new FileAlterationListenerAdaptor() {

        @Override
        public void onFileCreate(File file) {
            LOG.debug("File: " + file.getName() + " created");
        }

        @Override
        public void onFileDelete(File file) {
            LOG.debug("File: " + file.getName() + " deleted");
        }

        @Override
        public void onFileChange(File file) {
            LOG.debug("File: " + file.getName() + " changed");
        }
    };
    observer.addListener(listener);
    monitor.addObserver(observer);
    monitor.start();
}

Example 4 with FileAlterationListener

use of org.apache.commons.io.monitor.FileAlterationListener in project serverless by bluenimble.

the class KeysMonitor method start.

public void start(final BlueNimble bluenimble) throws Exception {
    File folder = BlueNimble.keysFolder();
    FileAlterationObserver observer = new FileAlterationObserver(folder);
    final FileAlterationMonitor monitor = new FileAlterationMonitor(pollingInterval);
    FileAlterationListener listener = new FileAlterationListenerAdaptor() {

        @Override
        public void onFileCreate(File file) {
            if (!file.isFile() || !file.getName().endsWith(CliSpec.KeysExt) || file.length() == 0) {
                return;
            }
            try {
                BlueNimble.loadKeys(bluenimble, file);
                BlueNimble.useKeys(file.getName().substring(0, file.getName().lastIndexOf(Lang.DOT)));
            } catch (Exception e) {
                bluenimble.printer().error(e.getMessage());
            }
        }

        @Override
        public void onFileChange(File file) {
            if (!file.isFile() || !file.getName().endsWith(CliSpec.KeysExt) || file.length() == 0) {
                return;
            }
            try {
                BlueNimble.loadKeys(bluenimble, file);
                BlueNimble.useKeys(file.getName().substring(0, file.getName().lastIndexOf(Lang.DOT)));
            } catch (Exception e) {
                bluenimble.printer().error(e.getMessage());
            }
        }
    };
    observer.addListener(listener);
    monitor.addObserver(observer);
    new Thread() {

        public void run() {
            try {
                monitor.start();
            } catch (Exception e) {
            }
        }
    }.start();
}