Example usage for com.google.common.base Strings emptyToNull

Introduction

In this page you can find the example usage for com.google.common.base Strings emptyToNull.

Prototype

@Nullable
public static String emptyToNull(@Nullable String string)

Source Link

Document

Returns the given string if it is nonempty; null otherwise.

Usage

From source file:ezbake.groups.common.GroupNameHelper.java

public String addRootGroupPrefix(String unprefixed) {
    String prefixed = unprefixed;
    if (unprefixed == null || !unprefixed.startsWith(ROOT_PREFIX)) {
        prefixed = Joiner.on(EzGroupsConstants.GROUP_NAME_SEP).skipNulls().join(EzGroupsConstants.ROOT,
                Strings.emptyToNull(unprefixed));
    }/*from  w w w  .j av a 2 s .  co m*/
    return prefixed;
}

From source file:org.n52.shetland.ogc.ows.OwsLanguageString.java

public OwsLanguageString(String lang, String value) {
    this.lang = Strings.emptyToNull(lang);
    this.value = Objects.requireNonNull(Strings.emptyToNull(value));
}

From source file:org.impressivecode.depress.support.extmarkerparser.Configuration.java

public Configuration(final SettingsModelString regExpID, final SettingsModelString builder) {
    if (emptyToNull(regExpID.getStringValue()) != null) {
        this.idRegexp = Pattern.compile(regExpID.getStringValue(), Pattern.MULTILINE);
    } else {/*  w w w  .j  av  a  2  s . c  o m*/
        this.idRegexp = null;
    }

    this.builderFormat = Strings.emptyToNull(builder.getStringValue());
}

From source file:fathom.realm.FileRealm.java

@Override
public void setup(Config config) {
    super.setup(config);

    String file = Strings.emptyToNull(config.getString("file"));
    Preconditions.checkNotNull(file, "The [file] setting must be set!");

    File realmFile = new File(file);
    setFile(realmFile);/*from   w  w w. j  av  a2  s.  c om*/
}

From source file:com.google.gerrit.server.project.ProjectJson.java

public ProjectInfo format(Project p) {
    ProjectInfo info = new ProjectInfo();
    info.name = p.getName();//from  w w w .j a  v a 2  s. co  m
    Project.NameKey parentName = p.getParent(allProjects);
    info.parent = parentName != null ? parentName.get() : null;
    info.description = Strings.emptyToNull(p.getDescription());
    info.finish();
    return info;
}

From source file:org.lendingclub.mercator.docker.DockerEndpointMetadataImpl.java

public Optional<String> getSwarmId() {
    JsonNode n = supplier.getWebTarget().path("/info").request().get(JsonNode.class);

    return Optional.ofNullable(Strings.emptyToNull(n.path("Swarm").path("Cluster").path("ID").asText()));
}

From source file:com.github.autermann.sockets.ssl.KeyStoreOptions.java

public KeyStoreOptions(String path, String pass, String type) {
    this.path = Preconditions.checkNotNull(path);
    this.pass = Preconditions.checkNotNull(pass);
    this.type = Objects.firstNonNull(Strings.emptyToNull(type), SSLConstants.KEYSTORE_TYPE_JKS);
}

From source file:com.m3958.apps.pcms.filter.DomainAjaxFilter.java

/**
 * Select and set (if specified) the character encoding to be used to interpret request parameters
 * for this request./*from ww w.j av  a 2s . c o  m*/
 * 
 * @param request The servlet request we are processing
 * @param result The servlet response we are creating
 * @param chain The filter chain we are processing
 * 
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet error occurs
 */
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
    HttpServletRequest req = (HttpServletRequest) request;

    String xhrh = Strings.emptyToNull(req.getParameter("_isxhr"));
    if (xhrh != null) {
        String newurl = req.getRequestURI() + "?_isxhr=true";// dispatcher uriquerystring ??
        req.getRequestDispatcher(newurl).forward(request, response);
    } else {
        xhrh = Strings.emptyToNull(req.getHeader("X-Requested-With"));
        if (xhrh != null && "XMLHttpRequest".equals(xhrh)) {// it's does ajax request,so we add _isxhr
                                                            // to parameters.
            String newurl = req.getRequestURI() + "?_isxhr=true";
            req.getRequestDispatcher(newurl).forward(request, response);
        } else {
            chain.doFilter(request, response);
        }
    }
}

From source file:org.n52.shetland.ogc.ows.OwsOperation.java

public OwsOperation(String name, Collection<OwsDomain> parameters, Collection<OwsDomain> constraints,
        Collection<OwsMetadata> metadata, Collection<OwsDCP> dcp) {
    this.name = Objects.requireNonNull(Strings.emptyToNull(name));
    this.parameters = CollectionHelper.newSortedSet(parameters);
    this.constraints = CollectionHelper.newSortedSet(constraints);
    this.metadata = CollectionHelper.newSortedSet(metadata);
    this.dcp = CollectionHelper.newSortedSet(dcp);
}

From source file:com.google.gerrit.server.project.GetProject.java

@Override
public Object apply(ProjectResource resource) {
    Project project = resource.getControl().getProject();
    ProjectInfo info = new ProjectInfo();
    info.name = resource.getName();//from   w  w  w .  j  a v  a  2s.  c  om
    Project.NameKey parentName = project.getParent(allProjects);
    info.parent = parentName != null ? parentName.get() : null;
    info.description = Strings.emptyToNull(project.getDescription());
    info.finish();
    return info;
}