Example usage for org.apache.commons.lang3 StringUtils defaultIfEmpty

List of usage examples for org.apache.commons.lang3 StringUtils defaultIfEmpty

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Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils defaultIfEmpty.

Prototype

public static <T extends CharSequence> T defaultIfEmpty(final T str, final T defaultStr)

Source Link

Document

Returns either the passed in CharSequence, or if the CharSequence is empty or null , the value of defaultStr .

 StringUtils.defaultIfEmpty(null, "NULL")  = "NULL" StringUtils.defaultIfEmpty("", "NULL")    = "NULL" StringUtils.defaultIfEmpty(" ", "NULL")   = " " StringUtils.defaultIfEmpty("bat", "NULL") = "bat" StringUtils.defaultIfEmpty("", null)      = null

Usage

From source file:ductive.console.commands.register.spring.ArgumentParserBeanPostProcessor.java

@Override
public Object postProcessAfterInitialization(final Object bean, String beanName) throws BeansException {
    ReflectionUtils.doWithMethods(bean.getClass(), new MethodCallback() {
        @Override//from   w  w w . ja  v  a 2  s.c  om
        public void doWith(Method method) throws IllegalArgumentException, IllegalAccessException {
            ArgParser argParser = AnnotationUtils.findAnnotation(method, ArgParser.class);
            if (argParser == null)
                return;

            String qualifier = StringUtils.defaultIfEmpty(argParser.value(), null);

            if (!void.class.equals(argParser.bind())) {
                argParserRegistry.register(argParser.bind(), qualifier, bean, method);
                return;
            }

            Type genericReturnType = method.getGenericReturnType();
            Validate.isTrue(ParameterizedType.class.isInstance(genericReturnType),
                    String.format(
                            "method %s: return type of parser generator method must be a subclass of %s<?>",
                            method, Parser.class.getCanonicalName()));

            ParameterizedType pt = ParameterizedType.class.cast(genericReturnType);
            Validate.isTrue(Parser.class.isAssignableFrom((Class<?>) pt.getRawType()),
                    String.format(
                            "method %s: return type of parser generator method must be a subclass of %s<?>",
                            method, Parser.class.getCanonicalName()));

            Type[] genericParams = pt.getActualTypeArguments();
            Validate.isTrue(genericParams.length == 1);

            argParserRegistry.register((Class<?>) genericParams[0], qualifier, bean, method);
        }

    });
    return bean;
}

From source file:net.siegmar.japtproxy.JaptProxyServer.java

/**
 * Starts Jetty./*from  www .ja va2  s  .  c  o  m*/
 *
 * @param host        the host to bound.
 * @param port        the port to bound.
 * @param contextPath the context path to bound.
 */
private static void startServer(final String host, final int port, final String contextPath) {
    final Logger log = LoggerFactory.getLogger(JaptProxyServer.class);
    log.info("Starting Japt-Proxy {} on host {} port {} using context path '{}'", Util.VERSION,
            StringUtils.defaultIfEmpty(host, "*"), port, contextPath);

    // Spring startup
    final ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext(
            "master.xml", "standalone.xml");
    classPathXmlApplicationContext.registerShutdownHook();

    // Jetty startup
    final Server server = new Server();

    final Connector connector = new BlockingChannelConnector();

    if (!StringUtils.isBlank(host)) {
        connector.setHost(host);
    }

    connector.setPort(port);
    server.setConnectors(new Connector[] { connector });

    server.setStopAtShutdown(true);

    final Context root = new Context(server, contextPath);
    final JaptProxyServlet japtProxyServlet = classPathXmlApplicationContext.getBean("japtProxyServlet",
            JaptProxyServlet.class);
    root.addServlet(new ServletHolder(japtProxyServlet), "/*");

    try {
        server.start();
    } catch (final Exception e) {
        // shame on Jetty's exception handling
        throw new IllegalStateException("Couldn't start HTTP engine", e);
    }
}

From source file:com.adobe.cq.wcm.core.components.internal.models.v1.TitleImpl.java

@PostConstruct
private void initModel() {
    if (StringUtils.isBlank(title)) {
        title = StringUtils.defaultIfEmpty(currentPage.getPageTitle(), currentPage.getTitle());
    }//from   w ww .java  2 s .c  o m

    if (heading == null) {
        heading = Utils.Heading.getHeading(type);
        if (heading == null) {
            heading = Utils.Heading.getHeading(currentStyle.get(PN_DESIGN_DEFAULT_TYPE, String.class));
        }
    }

    if (StringUtils.isNotEmpty(linkURL)) {
        linkURL = Utils.getURL(request, pageManager, linkURL);
    } else {
        linkURL = null;
    }

    if (currentStyle != null) {
        linkDisabled = currentStyle.get(Title.PN_TITLE_LINK_DISABLED, linkDisabled);
    }
}

From source file:com.yqboots.web.thymeleaf.processor.element.PaginationElementProcessor.java

/**
 * {@inheritDoc}//from  w  w w  .  j ava  2  s  .  co m
 */
@Override
protected List<Node> getMarkupSubstitutes(final Arguments arguments, final Element element) {
    final List<Node> nodes = new ArrayList<>();

    final Configuration configuration = arguments.getConfiguration();

    // Obtain the attribute value
    final IWebContext context = (IWebContext) arguments.getContext();
    final String contextPath = StringUtils.defaultIfEmpty(
            element.getAttributeValue(SpringHrefAttrProcessor.ATTR_NAME),
            context.getServletContext().getContextPath());

    // Obtain the Thymeleaf Standard Expression parser
    final IStandardExpressionParser parser = StandardExpressions.getExpressionParser(configuration);
    // Parse the attribute value as a Thymeleaf Standard Expression
    final String pageAttrValue = element.getAttributeValue(ATTR_PAGE);
    final IStandardExpression expression = parser.parseExpression(configuration, arguments, pageAttrValue);
    Page<?> page = (Page<?>) expression.execute(configuration, arguments);

    final Element container = new Element("ul");
    container.setAttribute("class", "pagination");

    container.addChild(getFirstElement(page, contextPath));
    container.addChild(getPreviousElement(page, contextPath));
    addStepElements(page, contextPath, container);
    container.addChild(getNextElement(page, contextPath));
    container.addChild(getLastElement(page, contextPath));

    nodes.add(container);

    return nodes;
}

From source file:com.adaptris.core.services.metadata.PayloadFromMetadataService.java

/**
 * @see com.adaptris.core.Service#doService(com.adaptris.core.AdaptrisMessage)
 *//* w  w  w  .  ja  v  a2  s. co m*/
public void doService(AdaptrisMessage msg) throws ServiceException {
    String payload = msg.resolve(StringUtils.defaultIfEmpty(template, ""), dotAll());
    for (KeyValuePair kvp : getMetadataTokens().getKeyValuePairs()) {
        if (msg.getMetadataValue(kvp.getKey()) != null) {
            if (!quiet()) {
                log.trace("Replacing {} with {}", kvp.getValue(), msg.getMetadataValue(kvp.getKey()));
            }
            payload = payload.replaceAll(kvp.getValue(), munge(msg.getMetadataValue(kvp.getKey())));
        } else {
            if (!quiet()) {
                log.trace("{} returns no value; no substitution", kvp.getKey());
            }
        }
    }
    msg.setContent(payload, msg.getContentEncoding());
}

From source file:com.xpn.xwiki.web.sx.SxDocumentSource.java

/**
 * {@inheritDoc}/*w  w  w .  ja  v  a  2s . c  o m*/
 * 
 * @see SxSource#getCachePolicy()
 */
public CachePolicy getCachePolicy() {
    CachePolicy finalCache = CachePolicy.LONG;

    if (this.document.getObjects(this.extension.getClassName()) != null) {
        for (BaseObject sxObj : this.document.getObjects(this.extension.getClassName())) {
            if (sxObj == null) {
                continue;
            }
            try {
                CachePolicy cache = CachePolicy.valueOf(StringUtils.upperCase(
                        StringUtils.defaultIfEmpty(sxObj.getStringValue(CACHE_POLICY_PROPERTY_NAME), "LONG")));
                if (cache.compareTo(finalCache) > 0) {
                    finalCache = cache;
                }
            } catch (Exception ex) {
                LOGGER.warn("SX object [{}#{}] has an invalid cache policy: [{}]",
                        new Object[] { this.document.getFullName(), sxObj.getStringValue("name"),
                                sxObj.getStringValue(CACHE_POLICY_PROPERTY_NAME) });
            }
        }
    }
    return finalCache;
}

From source file:com.ejisto.modules.vertx.handler.service.ContainerService.java

private void downloadAndInstallContainer(HttpServerRequest request) {
    final MultiMap params = request.params();
    String url = StringUtils.defaultIfEmpty(params.get("url"),
            settingsManager.getValue("container.default.url"));

    final Optional<Container> defaultContainer = Optional.ofNullable(params.get("defaultContainer"))
            .filter(Boolean::parseBoolean)
            .map(x -> containersRepository.safeLoadContainer(DEFAULT_CONTAINER_ID.getValue()));

    if (defaultContainer.isPresent()) {
        writeError(request, BAD_REQUEST.code(), BAD_REQUEST.reasonPhrase());
        return;/*  ww  w  .j a  v a  2  s .  com*/
    }

    taskManager.addNewTask(new BackgroundTask<>(() -> {
        try {
            final ContainerType containerType;
            if (!StringUtils.isEmpty(params.get("containerType"))) {
                containerType = ContainerType.valueOf(params.get("containerType"));
            } else {
                containerType = ContainerType.fromCargoId(DEFAULT_CARGO_ID.getValue());
            }
            containerManager.downloadAndInstall(url, System.getProperty(CONTAINERS_HOME_DIR.getValue()),
                    containerType);
            settingsManager.putValue(DEFAULT_CONTAINER_DOWNLOAD_URL, url);
            request.response().setStatusCode(OK.code()).setStatusMessage(OK.reasonPhrase()).end();
        } catch (DownloadFailed e) {
            log.debug("got DownloadFailed exception", e);
            writeError(request, NOT_FOUND.code(), NOT_FOUND.reasonPhrase());
        } catch (Exception e) {
            log.debug("got Exception", e);
            writeError(request, e);
        }
        return null;
    }));
}

From source file:info.magnolia.ui.admincentral.setup.JcrBrowserContentAppTask.java

/**
 * @param appName a string representing a unique name for this app. If not unique, the task will fail.
 * @param label the app label to be displayed in the app launcher.
 * @param appGroup a string representing one of the default app groups (i.e. <code>edit, manage, dev, tools</code>) or a custom one (which is assumed to be already existing when running this task).
 * @param icon a string representing an icon. If not set defaults to <code>icon-app</code>.
 * @param workspace name of the workspace. If null or empty the task will fail.
 * @param absRootPath the absolute path to use as the root for the content app to be created. If not set, defaults to <code>/</code>. If not absolute, the task will fail.
 */// w w  w. j  a  v  a 2s  .  c o  m
public JcrBrowserContentAppTask(String appName, String label, String appGroup, String icon, String workspace,
        String absRootPath) {
    super("JCR browser app",
            String.format(
                    "Creates a JCR browser content app named '%s' for workspace '%s' starting at path '%s'.",
                    appName, workspace, StringUtils.defaultIfEmpty(absRootPath, "/")));

    this.appName = appName;
    this.label = label;
    this.appGroup = appGroup;
    this.icon = icon;
    this.workspace = workspace;
    this.rootPath = absRootPath;
}

From source file:com.esri.geoportal.harvester.folder.FolderBroker.java

private File generateFileName(URI brokerUri, URI sourceUri, String id) {
    URI ssp = URI.create(brokerUri.getSchemeSpecificPart());
    String root = StringUtils.defaultIfEmpty(ssp.getHost(), ssp.getPath());
    File rootFolder = definition.getRootFolder().toPath().resolve(root).toFile();

    File fileName = rootFolder;//from   ww  w.  ja v  a2s .c  o m
    if (sourceUri.getPath() != null) {
        List<String> subFolder = splitPath(sourceUri.getPath().replaceAll("/[a-zA-Z]:/|/$", ""));
        if (!subFolder.isEmpty() && subFolder.get(0).equals(root)) {
            subFolder.remove(0);
        }
        for (String sf : subFolder) {
            fileName = new File(fileName, sf);
        }
        if (!fileName.getName().contains(".")) {
            fileName = fileName.getParentFile().toPath().resolve(fileName.getName() + ".xml").toFile();
        }
    } else {
        fileName = new File(fileName, id + ".xml");
    }

    return fileName;
}

From source file:ca.uhn.fhir.jaxrs.server.AbstractJaxRsConformanceProvider.java

/**
 * Constructor allowing the description, servername and server to be set
 * //  www. jav a2 s. c  o  m
 * @param implementationDescription
 *           the implementation description. If null, "" is used
 * @param serverName
 *           the server name. If null, "" is used
 * @param serverVersion
 *           the server version. If null, "" is used
 */
protected AbstractJaxRsConformanceProvider(String implementationDescription, String serverName,
        String serverVersion) {
    serverConfiguration.setFhirContext(getFhirContext());
    serverConfiguration.setImplementationDescription(StringUtils.defaultIfEmpty(implementationDescription, ""));
    serverConfiguration.setServerName(StringUtils.defaultIfEmpty(serverName, ""));
    serverConfiguration.setServerVersion(StringUtils.defaultIfEmpty(serverVersion, ""));
}