Example usage for java.lang ClassLoader getResourceAsStream

List of usage examples for java.lang ClassLoader getResourceAsStream

  1. HOME
  2. Java
  3. java
  4. java.lang.*
  5. ClassLoader
  6. getResourceAsStream

Introduction

In this page you can find the example usage for java.lang ClassLoader getResourceAsStream.

Prototype

public InputStream getResourceAsStream(String name)

Source Link

Document

Returns an input stream for reading the specified resource.

Usage

From source file:com.augmentum.common.util.EntityResolver.java

public InputSource resolveEntity(String publicId, String systemId) {
    ClassLoader classLoader = getClass().getClassLoader();

    if (_log.isDebugEnabled()) {
        _log.debug("Resolving entity " + publicId + " " + systemId);
    }//w w w. ja  v  a2s .c o m

    if (publicId != null) {
        for (int i = 0; i < _PUBLIC_IDS.length; i++) {
            KeyValuePair kvp = _PUBLIC_IDS[i];

            if (publicId.equals(kvp.getKey())) {
                InputStream is = classLoader.getResourceAsStream(_DEFINITIONS_PATH + kvp.getValue());

                if (_log.isDebugEnabled()) {
                    _log.debug("Entity found for public id " + systemId);
                }

                return new InputSource(is);
            }
        }
    } else if (systemId != null) {
        for (int i = 0; i < _SYSTEM_IDS.length; i++) {
            KeyValuePair kvp = _SYSTEM_IDS[i];

            if (systemId.equals(kvp.getKey())) {
                InputStream is = classLoader.getResourceAsStream(_DEFINITIONS_PATH + kvp.getValue());

                if (_log.isDebugEnabled()) {
                    _log.debug("Entity found for system id " + systemId);
                }

                return new InputSource(is);
            }
        }
    }

    if (_log.isDebugEnabled()) {
        _log.debug("No entity found for " + publicId + " " + systemId);
    }

    return null;
}

From source file:edu.internet2.middleware.subject.provider.LdapSourceAdapter.java

private void initializeLdap() {

    log.debug("ldap initializeLdap");

    // all ldap config from the ldap properties file
    log.debug("reading properties file " + propertiesFile);

    final ClassLoader cl = getClass().getClassLoader();
    final InputStream is = cl.getResourceAsStream(propertiesFile);
    if (is == null) {
        log.error("Error loading (from classpath) " + propertiesFile);
    }/*from   w w  w  .  java  2  s.  com*/
    LdapConfig ldapConfig = LdapConfig.createFromProperties(is);
    log.debug("from properties file " + propertiesFile + " got " + ldapConfig);

    // including config for the pem cert mode
    Map<String, Object> props = ldapConfig.getEnvironmentProperties();

    Set<String> ps = props.keySet();
    for (Iterator it = ps.iterator(); it.hasNext(); log.debug(".. key = " + it.next()))
        ;

    String cafile = (String) props.get("pemCaFile");
    String certfile = (String) props.get("pemCertFile");
    String keyfile = (String) props.get("pemKeyFile");
    if (cafile != null && certfile != null && keyfile != null) {
        log.debug("using the PEM socketfactory: ca=" + cafile + ", cert=" + certfile + ", key=" + keyfile);
        LdapPEMSocketFactory sf = new LdapPEMSocketFactory(cafile, certfile, keyfile);
        SSLSocketFactory ldapSocketFactory = sf.getSocketFactory();
        ldapConfig.setSslSocketFactory(ldapSocketFactory);
    } else {
        log.debug("using the default socketfactory");
    }

    DefaultLdapFactory factory = new DefaultLdapFactory(ldapConfig);
    LdapPoolConfig poolConfig = new LdapPoolConfig();

    try {
        ldapPool = new SoftLimitLdapPool(factory);
        ldapPool.initialize();
        initialized = true;
    } catch (Exception e) {
        log.debug("ldappool error = " + e);
    }
    log.debug("ldap initialize done");
}

From source file:org.alfresco.repo.node.integrity.IntegrityTest.java

public void setUp() throws Exception {
    DictionaryDAO dictionaryDao = (DictionaryDAO) ctx.getBean("dictionaryDAO");
    ClassLoader cl = BaseNodeServiceTest.class.getClassLoader();
    // load the test model
    InputStream modelStream = cl
            .getResourceAsStream("org/alfresco/repo/node/integrity/IntegrityTest_model.xml");
    assertNotNull(modelStream);/* ww  w  .  j a v a2  s. c o  m*/
    M2Model model = M2Model.createModel(modelStream);
    dictionaryDao.putModel(model);

    integrityChecker = (IntegrityChecker) ctx.getBean("integrityChecker");
    integrityChecker.setEnabled(true);
    integrityChecker.setFailOnViolation(true);
    integrityChecker.setTraceOn(true);
    integrityChecker.setMaxErrorsPerTransaction(100); // we want to count the correct number of errors

    MetadataEncryptor encryptor = (MetadataEncryptor) ctx.getBean("metadataEncryptor");

    serviceRegistry = (ServiceRegistry) ctx.getBean(ServiceRegistry.SERVICE_REGISTRY);
    nodeService = serviceRegistry.getNodeService();
    this.authenticationComponent = (AuthenticationComponent) ctx.getBean("authenticationComponent");

    this.authenticationComponent.setSystemUserAsCurrentUser();

    // begin a transaction
    TransactionService transactionService = serviceRegistry.getTransactionService();
    txn = transactionService.getUserTransaction();
    txn.begin();
    StoreRef storeRef = new StoreRef(StoreRef.PROTOCOL_WORKSPACE, getName());
    if (!nodeService.exists(storeRef)) {
        nodeService.createStore(storeRef.getProtocol(), storeRef.getIdentifier());
    }
    rootNodeRef = nodeService.getRootNode(storeRef);

    allProperties = new PropertyMap();
    allProperties.put(TEST_PROP_TEXT_A, "ABC");
    allProperties.put(TEST_PROP_TEXT_B, "DEF");
    allProperties.put(TEST_PROP_INT_A, "123");
    allProperties.put(TEST_PROP_INT_B, "456");
    allProperties.put(TEST_PROP_ENCRYPTED_A, "ABC");
    allProperties.put(TEST_PROP_ENCRYPTED_B, "DEF");
    allProperties = encryptor.encrypt(allProperties);
}

From source file:com.compomics.colims.client.controller.admin.FastaDbSaveUpdateController.java

@Override
@PostConstruct/*  w ww . j  a v a2 s.  c o  m*/
public void init() {
    //register to event bus
    eventBus.register(this);

    fastaDbSaveUpdatePanel = fastaDbManagementController.getFastaDbManagementDialog()
            .getFastaDbSaveUpdatePanel();
    headerParseRuleAdditionDialog = new HeaderParseRuleAdditionDialog(
            fastaDbManagementController.getFastaDbManagementDialog(), true);
    taxonomyBindingList = ObservableCollections.observableList(new ArrayList<>());
    taxonomyBindingList.add(TAXONOMY_CV_PARAM_NONE);
    taxonomyBindingList.addAll(cvParamService.findByCvParamByClass(TaxonomyCvParam.class));

    //init binding
    bindingGroup = new BindingGroup();

    JComboBoxBinding taxonomyComboBoxBinding = SwingBindings.createJComboBoxBinding(
            AutoBinding.UpdateStrategy.READ_WRITE, taxonomyBindingList,
            fastaDbSaveUpdatePanel.getTaxomomyComboBox());
    bindingGroup.addBinding(taxonomyComboBoxBinding);

    headerParseRuleBindingList = ObservableCollections.observableList(new ArrayList<>());
    try {
        config = PropertiesUtil.parsePropertiesFile("config/header-parse-rule.properties");
    } catch (IOException | ConfigurationException ex) {
        java.util.logging.Logger.getLogger(FastaDbSaveUpdateController.class.getName()).log(Level.SEVERE, null,
                ex);
    }
    fillHeaderParseRuleComboBox();

    JComboBoxBinding parseRuleComboBoxBinding = SwingBindings.createJComboBoxBinding(
            AutoBinding.UpdateStrategy.READ_WRITE, headerParseRuleBindingList,
            fastaDbSaveUpdatePanel.getHeaderParseRuleComboBox());
    bindingGroup.addBinding(parseRuleComboBoxBinding);

    databaseBindingList = ObservableCollections.observableList(new ArrayList<>());
    Properties allProperties = new Properties();
    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    try {
        allProperties.load(loader.getResourceAsStream("config/embl-ebi-database.properties"));
        databaseSet = new TreeSet(allProperties.keySet());
    } catch (IOException ex) {
        java.util.logging.Logger.getLogger(FastaDbSaveUpdateController.class.getName()).log(Level.SEVERE, null,
                ex);
    }

    fillDatabaseComboBox();

    JComboBoxBinding databaseComboBoxBinding = SwingBindings.createJComboBoxBinding(
            AutoBinding.UpdateStrategy.READ_WRITE, databaseBindingList,
            fastaDbSaveUpdatePanel.getDatabaseComboBox());
    bindingGroup.addBinding(databaseComboBoxBinding);
    bindingGroup.bind();

    //init FASTA file selection
    //disable select multiple files
    fastaDbSaveUpdatePanel.getFastaFileChooser().setMultiSelectionEnabled(false);
    //set FASTA file filter
    fastaDbSaveUpdatePanel.getFastaFileChooser().setFileFilter(new FastaFileFilter());

    //add listeners
    fastaDbSaveUpdatePanel.getBrowseTaxonomyButton().addActionListener(e -> {
        List<CvParam> cvParams = cvParamService.findByCvParamByClass(TaxonomyCvParam.class);
        //update the CV param list
        cvParamManagementController.updateDialog("FASTA DB taxonomy", TaxonomyCvParam.class,
                PRESELECTED_ONTOLOGY_NAMESPACES, cvParams);

        cvParamManagementController.showView();
    });

    fastaDbSaveUpdatePanel.getBrowseHeaderParseRuleButtton().addActionListener(l -> {
        headerParseRuleAdditionDialog.getParseRuleTextField().setText("");
        headerParseRuleAdditionDialog.getDescriptionTextField().setText("");
        GuiUtils.centerDialogOnComponent(fastaDbSaveUpdatePanel, headerParseRuleAdditionDialog);
        headerParseRuleAdditionDialog.setVisible(true);
    });

    headerParseRuleAdditionDialog.getSaveParseRuleButton().addActionListener(l -> {
        try {
            config = PropertiesUtil.addProperty(config,
                    headerParseRuleAdditionDialog.getDescriptionTextField().getText(),
                    headerParseRuleAdditionDialog.getParseRuleTextField().getText());
        } catch (ConfigurationException | IOException ex) {
            java.util.logging.Logger.getLogger(FastaDbSaveUpdateController.class.getName()).log(Level.SEVERE,
                    null, ex);
        }
        fillHeaderParseRuleComboBox();
        headerParseRuleAdditionDialog.dispose();
    });

    fastaDbSaveUpdatePanel.getBrowseFastaButton().addActionListener(e -> {
        //in response to the button click, show open dialog
        int returnVal = fastaDbSaveUpdatePanel.getFastaFileChooser().showOpenDialog(fastaDbSaveUpdatePanel);
        if (returnVal == JFileChooser.APPROVE_OPTION) {
            File fastaFile = fastaDbSaveUpdatePanel.getFastaFileChooser().getSelectedFile();

            //show FASTA file name and path in textfields
            fastaDbSaveUpdatePanel.getFileNameTextField().setText(fastaFile.getName());
            fastaDbSaveUpdatePanel.getFilePathTextField().setText(fastaFile.getAbsolutePath());
        }
    });

    fastaDbSaveUpdatePanel.getSaveOrUpdateButton().addActionListener(e -> {
        //validate FASTA DB
        updateFastaToEdit();
        List<String> validationMessages = GuiUtils.validateEntity(fastaDbToEdit);
        if (validationMessages.isEmpty()) {
            if (fastaDbToEdit.getId() != null) {
                fastaDbToEdit = fastaDbService.merge(fastaDbToEdit);
                fastaDbManagementController.updateFastaDb();
            } else {
                fastaDbService.persist(fastaDbToEdit);
                fastaDbManagementController.addFastaDb(fastaDbToEdit);
            }
            fastaDbSaveUpdatePanel.getNameTextField().setEnabled(false);
            fastaDbSaveUpdatePanel.getSaveOrUpdateButton().setText("update");
            fastaDbSaveUpdatePanel.getFastaDbStateInfoLabel().setText("");

            saveUpdate = true;
            MessageEvent messageEvent = new MessageEvent("Fasta DB store confirmation",
                    "Fasta DB " + fastaDbToEdit.getName() + " was stored successfully!",
                    JOptionPane.INFORMATION_MESSAGE);
            eventBus.post(messageEvent);

            fastaDbManagementController.showOverviewPanel();
        } else {
            MessageEvent messageEvent = new MessageEvent("Validation failure", validationMessages,
                    JOptionPane.WARNING_MESSAGE);
            eventBus.post(messageEvent);
        }
    });

    fastaDbSaveUpdatePanel.getBackButton().addActionListener(e -> {
        if (!saveUpdate) {
            fastaDbManagementController.setSelectedFasta(-1);
        }
        saveUpdate = false;
        fastaDbManagementController.showOverviewPanel();
    });
}

From source file:com.adaptris.core.QuartzCronPoller.java

private InputStream find(String... resources) throws IOException {
    ClassLoader cl = getClass().getClassLoader();
    InputStream in = null;//w  w  w  .  ja  va  2 s  .c o m
    for (String res : resources) {
        in = cl.getResourceAsStream(res);
        if (in != null) {
            log.trace("Using quartz properties from classpath : {}", res);
            break;
        }
    }
    // It may just return null; ultimately it's user error, do we care, an NPE would be OK here.
    // but possibly not informative
    return in;
}

From source file:org.apache.flex.forks.velocity.texen.ant.TexenTask.java

/**
 * Set the context properties that will be
 * fed into the initial context be the/*from   w  w  w  .j  ava2s  .  c o m*/
 * generating process starts.
 */
public void setContextProperties(String file) {
    String[] sources = StringUtils.split(file, ",");
    contextProperties = new ExtendedProperties();

    // Always try to get the context properties resource
    // from a file first. Templates may be taken from a JAR
    // file but the context properties resource may be a 
    // resource in the filesystem. If this fails than attempt
    // to get the context properties resource from the
    // classpath.
    for (int i = 0; i < sources.length; i++) {
        ExtendedProperties source = new ExtendedProperties();

        try {
            // resolve relative path from basedir and leave
            // absolute path untouched.
            File fullPath = project.resolveFile(sources[i]);
            log("Using contextProperties file: " + fullPath);
            source.load(new FileInputStream(fullPath));
        } catch (Exception e) {
            ClassLoader classLoader = this.getClass().getClassLoader();

            try {
                InputStream inputStream = classLoader.getResourceAsStream(sources[i]);

                if (inputStream == null) {
                    throw new BuildException("Context properties file " + sources[i]
                            + " could not be found in the file system or on the classpath!");
                } else {
                    source.load(inputStream);
                }
            } catch (IOException ioe) {
                source = null;
            }
        }

        Iterator j = source.getKeys();

        while (j.hasNext()) {
            String name = (String) j.next();
            String value = source.getString(name);
            contextProperties.setProperty(name, value);
        }
    }
}

From source file:net.riezebos.thoth.configuration.PropertyBasedConfiguration.java

@Override
protected void loadDefaults() {
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    InputStream is = contextClassLoader.getResourceAsStream(BUILT_PROPERTIES);
    if (is == null)
        LOG.error("Somebody misplaced " + BUILT_PROPERTIES
                + " so there will be no defaults for the Configuration!");
    else//w  w w . j  av  a  2  s . co m
        readInputStream(is);
}

From source file:org.apache.hadoop.minikdc.MiniKdc.java

private void initKDCServer() throws Exception {
    String orgName = conf.getProperty(ORG_NAME);
    String orgDomain = conf.getProperty(ORG_DOMAIN);
    String bindAddress = conf.getProperty(KDC_BIND_ADDRESS);
    final Map<String, String> map = new HashMap<String, String>();
    map.put("0", orgName.toLowerCase(Locale.ENGLISH));
    map.put("1", orgDomain.toLowerCase(Locale.ENGLISH));
    map.put("2", orgName.toUpperCase(Locale.ENGLISH));
    map.put("3", orgDomain.toUpperCase(Locale.ENGLISH));
    map.put("4", bindAddress);

    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    InputStream is1 = cl.getResourceAsStream("minikdc.ldiff");

    SchemaManager schemaManager = ds.getSchemaManager();
    LdifReader reader = null;/* ww w . j  av a 2s  .c o  m*/

    try {
        final String content = StrSubstitutor.replace(IOUtils.toString(is1), map);
        reader = new LdifReader(new StringReader(content));

        for (LdifEntry ldifEntry : reader) {
            ds.getAdminSession().add(new DefaultEntry(schemaManager, ldifEntry.getEntry()));
        }
    } finally {
        IOUtils.closeQuietly(reader);
        IOUtils.closeQuietly(is1);
    }

    KerberosConfig kerberosConfig = new KerberosConfig();
    kerberosConfig.setMaximumRenewableLifetime(Long.parseLong(conf.getProperty(MAX_RENEWABLE_LIFETIME)));
    kerberosConfig.setMaximumTicketLifetime(Long.parseLong(conf.getProperty(MAX_TICKET_LIFETIME)));
    kerberosConfig.setSearchBaseDn(String.format("dc=%s,dc=%s", orgName, orgDomain));
    kerberosConfig.setPaEncTimestampRequired(false);
    kdc = new KdcServer(kerberosConfig);
    kdc.setDirectoryService(ds);

    // transport
    String transport = conf.getProperty(TRANSPORT);
    AbstractTransport absTransport;
    if (transport.trim().equals("TCP")) {
        absTransport = new TcpTransport(bindAddress, port, 3, 50);
    } else if (transport.trim().equals("UDP")) {
        absTransport = new UdpTransport(port);
    } else {
        throw new IllegalArgumentException("Invalid transport: " + transport);
    }
    kdc.addTransports(absTransport);
    kdc.setServiceName(conf.getProperty(INSTANCE));
    kdc.start();
    // if using ephemeral port, update port number for binding
    if (port == 0) {
        InetSocketAddress addr = (InetSocketAddress) absTransport.getAcceptor().getLocalAddress();
        port = addr.getPort();
    }

    StringBuilder sb = new StringBuilder();
    InputStream is2 = cl.getResourceAsStream("minikdc-krb5.conf");

    BufferedReader r = null;

    try {
        r = new BufferedReader(new InputStreamReader(is2, StandardCharsets.UTF_8));
        String line = r.readLine();

        while (line != null) {
            sb.append(line).append("{3}");
            line = r.readLine();
        }
    } finally {
        IOUtils.closeQuietly(r);
        IOUtils.closeQuietly(is2);
    }

    krb5conf = new File(workDir, "krb5.conf").getAbsoluteFile();
    FileUtils.writeStringToFile(krb5conf, MessageFormat.format(sb.toString(), getRealm(), getHost(),
            Integer.toString(getPort()), System.getProperty("line.separator")));
    System.setProperty(JAVA_SECURITY_KRB5_CONF, krb5conf.getAbsolutePath());

    System.setProperty(SUN_SECURITY_KRB5_DEBUG, conf.getProperty(DEBUG, "false"));

    // refresh the config
    Class<?> classRef;
    if (System.getProperty("java.vendor").contains("IBM")) {
        classRef = Class.forName("com.ibm.security.krb5.internal.Config");
    } else {
        classRef = Class.forName("sun.security.krb5.Config");
    }
    Method refreshMethod = classRef.getMethod("refresh", new Class[0]);
    refreshMethod.invoke(classRef, new Object[0]);

    LOG.info("MiniKdc listening at port: {}", getPort());
    LOG.info("MiniKdc setting JVM krb5.conf to: {}", krb5conf.getAbsolutePath());
}

From source file:edu.harvard.hul.ois.drs.pdfaconvert.service.servlets.PdfaConverterServlet.java

@Override
public void init() throws ServletException {

    // Set the projects properties.
    // First look for a system property pointing to a project properties file.
    // This value can be either a file path, file protocol (e.g. - file:/path/to/file),
    // or a URL (http://some/server/file).
    // If this value either does not exist or is not valid, the default
    // file that comes with this application will be used for initialization.
    String environmentProjectPropsFile = System.getProperty(ENV_PROJECT_PROPS);
    logger.info("Value of environment property: [{}] for finding external properties file in location: {}",
            ENV_PROJECT_PROPS, environmentProjectPropsFile);
    if (environmentProjectPropsFile != null) {
        logger.info("Will look for properties file from environment in location: {}",
                environmentProjectPropsFile);
        try {/*from ww  w  . j  a  v a2 s . c  o m*/
            File projectProperties = new File(environmentProjectPropsFile);
            if (projectProperties.exists() && projectProperties.isFile() && projectProperties.canRead()) {
                InputStream is = new FileInputStream(projectProperties);
                applicationProps = new Properties();
                applicationProps.load(is);
            }
        } catch (IOException e) {
            // fall back to default file
            logger.error("Unable to load properties file: {} -- reason: {}", environmentProjectPropsFile,
                    e.getMessage());
            logger.error("Falling back to default project.properties file: {}", PROPERTIES_FILE_NAME);
            applicationProps = null;
        }
    }

    if (applicationProps == null) { // did not load from environment variable location
        try {
            ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
            InputStream resourceStream = classLoader.getResourceAsStream(PROPERTIES_FILE_NAME);
            if (resourceStream != null) {
                applicationProps = new Properties();
                applicationProps.load(resourceStream);
                logger.info("loaded default applicationProps");
            } else {
                logger.warn("project.properties not found!!!");
            }
        } catch (IOException e) {
            logger.error("Could not load properties file: {}", PROPERTIES_FILE_NAME, e);
            // couldn't load default properties so bail...
            throw new ServletException("Couldn't load an applications properties file.", e);
        }
    }
    int maxPoolSize = Integer
            .valueOf(applicationProps.getProperty("max.objects.in.pool", DEFAULT_MAX_OBJECTS_IN_POOL));
    long maxFileUploadSizeMb = Long
            .valueOf(applicationProps.getProperty("max.upload.file.size.MB", DEFAULT_MAX_UPLOAD_SIZE));
    long maxRequestSizeMb = Long
            .valueOf(applicationProps.getProperty("max.request.size.MB", DEFAULT_MAX_REQUEST_SIZE));
    maxInMemoryFileSizeMb = Integer
            .valueOf(applicationProps.getProperty("max.in.memory.file.size.MB", DEFAULT_IN_MEMORY_FILE_SIZE));
    logger.info(
            "Max objects in object pool: {} -- Max file upload size: {}MB -- Max request object size: {}MB -- Max in-memory file size: {}MB",
            maxPoolSize, maxFileUploadSizeMb, maxRequestSizeMb, maxInMemoryFileSizeMb);

    logger.debug("Initializing PdfaConverter pool");
    GenericObjectPoolConfig poolConfig = new GenericObjectPoolConfig();
    poolConfig.setMinIdle(MIN_IDLE_OBJECTS_IN_POOL);
    poolConfig.setMaxTotal(maxPoolSize);
    poolConfig.setTestOnBorrow(true);
    poolConfig.setBlockWhenExhausted(true);
    pdfaConverterWrapperPool = new PdfaConverterWrapperPool(new PdfaConverterWrapperFactory(), poolConfig);

    // configures upload settings
    factory = new DiskFileItemFactory();
    factory.setSizeThreshold((maxInMemoryFileSizeMb * (int) MB_MULTIPLIER));
    File tempUploadDir = new File(System.getProperty(UPLOAD_DIRECTORY));
    if (!tempUploadDir.exists()) {
        tempUploadDir.mkdir();
    }
    factory.setRepository(tempUploadDir);

    upload = new ServletFileUpload(factory);
    upload.setFileSizeMax(maxFileUploadSizeMb * MB_MULTIPLIER); // convert from MB to bytes
    upload.setSizeMax(maxRequestSizeMb * MB_MULTIPLIER); // convert from MB to bytes

    logger.debug("PdfaConverter pool finished Initializing");
}

From source file:abfab3d.shapejs.ScriptManager.java

/**
 * Export a resource embedded into a Jar file to the local file path.
 *
 * @param resourceFile ie.: "/SmartLibrary.dll"
 * @return The path to the exported resource
 * @throws Exception/*w w w  .j a v  a 2s.  c  o m*/
 */
public void exportResource(String resourceFile, File destFile) throws Exception {
    InputStream is = null;
    try {
        is = ScriptManager.class.getResourceAsStream(resourceFile);

        if (is == null) {
            File file = new File("classes/" + resourceFile);

            if (!file.exists()) {
                ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
                is = classLoader.getResourceAsStream(resourceFile);
            } else {
                is = new FileInputStream(file);
            }
        }
        if (is == null) {
            throw new Exception("Cannot load resource: " + resourceFile);
        }
        FileUtils.copyInputStreamToFile(is, destFile);
    } finally {
        if (is != null)
            is.close();
    }
}