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

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:org.siphon.db2js.DispatchServlet.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    request.setCharacterEncoding("utf-8");
    DbjsRunner dbjsRunner = this.getDbjsRunner();
    dbjsRunner.run(request, response, StringUtils.defaultIfEmpty(request.getParameter("_m"), "create"));
}

---

From source file:org.tightblog.service.WeblogManager.java

/**
 * Get the analytics tracking code to be used for the provided Weblog
 * @param weblog weblog to determine tracking code for
 * @return analytics tracking code, empty string if none.
 */// w ww  .jav  a2 s  . c  o m
public String getAnalyticsTrackingCode(Weblog weblog) {
    WebloggerProperties props = webloggerPropertiesRepository.findOrNull();

    if (props.isUsersOverrideAnalyticsCode() && !StringUtils.isBlank(weblog.getAnalyticsCode())) {
        return weblog.getAnalyticsCode();
    } else {
        return StringUtils.defaultIfEmpty(props.getDefaultAnalyticsCode(), "");
    }
}

---

From source file:org.usc.wechat.mp.sdk.util.platform.MediaUtil.java

private static File downloadFile(HttpResponse response, String mediaId, String path, URI uri)
        throws IOException, FileNotFoundException {
    HttpEntity entity = response.getEntity();
    if (entity == null) {
        return null;
    }//  w  w w  .ja  v a 2 s. c  om

    String fileName = StringUtils.defaultIfEmpty(getFileNameFromContentDisposition(response),
            getFileNameFromContentType(response, mediaId));
    if (StringUtils.isEmpty(fileName)) {
        String rtnString = EntityUtils.toString(entity);
        JsonRtn rtn = JsonRtnUtil.parseJsonRtn(rtnString, JsonRtn.class);
        log.info("missing media:\n url={},\n rtn={},{}", uri, rtnString, rtn);
        // maybe throw a runtime exception
        return null;
    }

    File directory = new File(path);
    FileUtils.forceMkdir(directory);
    File file = new File(directory, fileName);
    if (!file.exists()) {
        OutputStream output = new FileOutputStream(file);
        IOUtils.copy(entity.getContent(), output);
        IOUtils.closeQuietly(output);
    }

    log.info("get media:\n url={},\n fileName={},{}", uri, fileName, file);
    return file;
}

---

From source file:org.wrml.server.WrmlServlet.java

/**
 * Get the requested resource's id from the the {@link HttpServletRequest}.
 *
 * @param request The {@link HttpServletRequest} that holds the {@link URI}.
 * @return The requested resource's id from the the {@link HttpServletRequest}.
 * @throws URISyntaxException Thrown if there is a syntax problem when constructing the {@link URI}.
 *///from  w  w  w .  j  a v a2 s .  co m
URI getRequestUri(final HttpServletRequest request) throws URISyntaxException {
    // Due to the quirky nature of a servlet container, we're after the entire path.  
    // This seems to work with servlet 3.0 and Tomcat 7.X
    String path = request.getServletPath();
    String extra = request.getPathInfo();
    if (path != null && extra != null) {
        path += request.getPathInfo();
    } else if (path == null) {
        path = extra;
    }

    if (path.endsWith("/")) {
        path = path.substring(0, path.length() - 1);
    }

    final String host = StringUtils.defaultIfEmpty(request.getHeader(WRML_HOST_HEADER_NAME),
            request.getRemoteHost());
    final String portString = StringUtils.defaultIfEmpty(request.getHeader(WRML_PORT_HEADER_NAME),
            Integer.toString(request.getRemotePort()));
    final String scheme = StringUtils.defaultIfEmpty(request.getHeader(WRML_SCHEME_HEADER_NAME),
            request.getScheme());
    int port = -1;

    port = Integer.parseInt(portString);
    if (port == 80) {
        port = -1;
    }
    final URI requestUri = new URI(scheme, null, host, port, path, null, null);

    LOGGER.debug("Determined request URI: {}", requestUri);
    return requestUri;
}

---

From source file:org.xwiki.component.wiki.internal.bridge.DefaultWikiComponentBridge.java

@Override
public String getRoleHint(DocumentReference reference) throws WikiComponentException {
    BaseObject componentObject = getComponentObject(reference);
    return StringUtils.defaultIfEmpty(componentObject.getStringValue(COMPONENT_ROLE_HINT_FIELD), "default");
}

---

From source file:org.xwiki.extension.repository.xwiki.internal.resources.AbstractExtensionRESTResource.java

protected <E extends AbstractExtension> E createExtension(XWikiDocument extensionDocument, String version) {
    BaseObject extensionObject = getExtensionObject(extensionDocument);

    if (extensionObject == null) {
        throw new WebApplicationException(Status.NOT_FOUND);
    }//  www.ja v a2  s  .  co  m

    AbstractExtension extension;
    ExtensionVersion extensionVersion;
    if (version == null) {
        extension = this.objectFactory.createExtension();
        extensionVersion = null;
    } else {
        BaseObject extensionVersionObject = getExtensionVersionObject(extensionDocument, version);

        if (extensionVersionObject == null) {
            throw new WebApplicationException(Status.NOT_FOUND);
        }

        extension = extensionVersion = this.objectFactory.createExtensionVersion();
        extensionVersion.setVersion(
                (String) getValue(extensionVersionObject, XWikiRepositoryModel.PROP_VERSION_VERSION));
    }

    extension.setId((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_ID));
    extension.setType((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_TYPE));

    License license = this.objectFactory.createLicense();
    license.setName((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_LICENSENAME));
    extension.getLicenses().add(license);

    extension.setSummary((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_SUMMARY));
    extension.setDescription(
            (String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_DESCRIPTION));
    extension.setName((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_NAME));
    extension.setWebsite(StringUtils.defaultIfEmpty(
            (String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_WEBSITE),
            extensionDocument.getExternalURL("view", getXWikiContext())));

    // Authors
    for (String authorId : (List<String>) getValue(extensionObject,
            XWikiRepositoryModel.PROP_EXTENSION_AUTHORS)) {
        extension.getAuthors().add(resolveExtensionAuthor(authorId));
    }

    // Features
    extension.getFeatures()
            .addAll((List<String>) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_FEATURES));

    // Dependencies
    if (extensionVersion != null) {
        List<BaseObject> dependencies = extensionDocument
                .getXObjects(XWikiRepositoryModel.EXTENSIONDEPENDENCY_CLASSREFERENCE);
        if (dependencies != null) {
            for (BaseObject dependencyObject : dependencies) {
                if (dependencyObject != null) {
                    if (StringUtils.equals(getValue(dependencyObject,
                            XWikiRepositoryModel.PROP_DEPENDENCY_EXTENSIONVERSION, (String) null), version)) {
                        ExtensionDependency dependency = objectFactory.createExtensionDependency();
                        dependency.setId(
                                (String) getValue(dependencyObject, XWikiRepositoryModel.PROP_DEPENDENCY_ID));
                        dependency.setConstraint((String) getValue(dependencyObject,
                                XWikiRepositoryModel.PROP_DEPENDENCY_CONSTRAINT));

                        extensionVersion.getDependencies().add(dependency);
                    }
                }
            }
        }
    }

    return (E) extension;
}

---

From source file:org.xwiki.localization.internal.DefaultWikiInformation.java

/**
 * {@inheritDoc}// w w w  . j a va 2  s.c o m
 * 
 * @see WikiInformation#getDefaultWikiLanguage()
 */
public String getDefaultWikiLanguage(String wiki) {
    try {
        return StringUtils
                .defaultIfEmpty(this.documentAccessBridge.getProperty(wiki + ":" + PREFERENCES_DOCUMENT_NAME,
                        PREFERENCES_CLASS_NAME, DEFAULT_LANGUAGE_PROPERTY_NAME), DEFAULT_LANGUAGE);
    } catch (Exception ex) {
        getLogger().warn("Error getting the default language of the wiki [{0}]", ex, wiki);
    }
    return DEFAULT_LANGUAGE;
}

---

From source file:org.xwiki.localization.internal.DefaultWikiInformation.java

/**
 * {@inheritDoc}// ww w  .  jav a2s . c om
 * 
 * @see WikiInformation#getCurrentWikiName()
 */
@SuppressWarnings("unchecked")
public String getCurrentWikiName() {
    try {
        Map<Object, Object> xcontext = (Map<Object, Object>) this.execution.getContext()
                .getProperty(XWIKICONTEXT_KEY);
        return StringUtils.defaultIfEmpty((String) xcontext.get("wikiName"), DEFAULT_WIKI);
    } catch (Exception ex) {
        getLogger().warn("Error getting the current wiki name", ex);
        return DEFAULT_WIKI;
    }
}

---

From source file:org.xwiki.pagecreation.internal.PageCreationScriptService.java

/**
 * Private helper to construct the list of arguments based on some parameters.
 * // w  w w .ja  v  a  2 s  . c o m
 * @param arguments the XWiki string representation of the arguments
 * @param classDocument the class document of the object to create in the new page
 * @param nameTransformations the transformations to apply to user input
 * @param parameters the parameter map
 * @return the list of java object arguments
 */
private List<Object> getArguments(String[] arguments, DocumentModelBridge classDocument,
        List<String> nameTransformations, Map<String, String[]> parameters) {
    List<Object> args = new ArrayList<Object>();
    for (String argument : arguments) {
        if (argument.startsWith(PROPERTY_ARGUMENT_PREFIX)) {
            String property = StringUtils.substringAfter(argument, PROPERTY_ARGUMENT_PREFIX);
            String key = classDocument.getFullName() + "_0_" + property;
            String input = StringUtils.defaultIfEmpty(parameters.containsKey(key) ? parameters.get(key)[0] : "",
                    "");

            for (String transformation : nameTransformations) {
                if (this.inputTransformers.containsKey(transformation)) {
                    input = this.inputTransformers.get(transformation).transform(input);
                }
            }

            args.add(input);
        } else if (argument.equals(DOCUMENT_ARGUMENT_TITLE)) {
            args.add(parameters.containsKey(TITLE_KEY) ? parameters.get(TITLE_KEY)[0] : "");
        } else if (argument.equals(SPECIAL_ARGUMENT_DATE)) {
            args.add(new Date());
        } else if (argument.equals(SPECIAL_ARGUMENT_COUNTER)) {
            args.add(42);
        }
    }
    return args;
}

---

From source file:org.xwiki.repository.internal.resources.AbstractExtensionRESTResource.java

protected <E extends AbstractExtension> E createExtension(XWikiDocument extensionDocument, String version) {
    BaseObject extensionObject = getExtensionObject(extensionDocument);

    if (extensionObject == null) {
        throw new WebApplicationException(Status.NOT_FOUND);
    }/* w ww .  j a  v  a  2 s.  co m*/

    AbstractExtension extension;
    ExtensionVersion extensionVersion;
    if (version == null) {
        extension = this.extensionObjectFactory.createExtension();
        extensionVersion = null;
    } else {
        BaseObject extensionVersionObject = getExtensionVersionObject(extensionDocument, version);

        if (extensionVersionObject == null) {
            throw new WebApplicationException(Status.NOT_FOUND);
        }

        extension = extensionVersion = this.extensionObjectFactory.createExtensionVersion();
        extensionVersion.setVersion(
                (String) getValue(extensionVersionObject, XWikiRepositoryModel.PROP_VERSION_VERSION));
    }

    extension.setId((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_ID));
    extension.setType((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_TYPE));

    License license = this.extensionObjectFactory.createLicense();
    license.setName((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_LICENSENAME));
    extension.getLicenses().add(license);

    extension.setSummary((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_SUMMARY));
    extension.setDescription(
            (String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_DESCRIPTION));
    extension.setName((String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_NAME));
    extension.setWebsite(StringUtils.defaultIfEmpty(
            (String) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_WEBSITE),
            extensionDocument.getExternalURL("view", getXWikiContext())));

    // Authors
    for (String authorId : (List<String>) getValue(extensionObject,
            XWikiRepositoryModel.PROP_EXTENSION_AUTHORS)) {
        extension.getAuthors().add(resolveExtensionAuthor(authorId));
    }

    // Features
    extension.getFeatures()
            .addAll((List<String>) getValue(extensionObject, XWikiRepositoryModel.PROP_EXTENSION_FEATURES));

    // Dependencies
    if (extensionVersion != null) {
        List<BaseObject> dependencies = extensionDocument
                .getXObjects(XWikiRepositoryModel.EXTENSIONDEPENDENCY_CLASSREFERENCE);
        if (dependencies != null) {
            for (BaseObject dependencyObject : dependencies) {
                if (dependencyObject != null) {
                    if (StringUtils.equals(getValue(dependencyObject,
                            XWikiRepositoryModel.PROP_DEPENDENCY_EXTENSIONVERSION, (String) null), version)) {
                        ExtensionDependency dependency = extensionObjectFactory.createExtensionDependency();
                        dependency.setId(
                                (String) getValue(dependencyObject, XWikiRepositoryModel.PROP_DEPENDENCY_ID));
                        dependency.setConstraint((String) getValue(dependencyObject,
                                XWikiRepositoryModel.PROP_DEPENDENCY_CONSTRAINT));

                        extensionVersion.getDependencies().add(dependency);
                    }
                }
            }
        }
    }

    return (E) extension;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• »